X-Git-Url: https://git.delphigl.com/?p=glBitmap.git;a=blobdiff_plain;f=glBitmap.pas;h=9f3706ba2f30b0903a057749db20e92860914b6d;hp=1198bdace3cf8202f0ec7e948a3cd412726e4f43;hb=7c46e251a69e449ae9a041a520d969d3892ede48;hpb=40c2e1a73048b33c1a9f238748a3dd14b98099a1 diff --git a/glBitmap.pas b/glBitmap.pas index 1198bda..9f3706b 100644 --- a/glBitmap.pas +++ b/glBitmap.pas @@ -1,3624 +1,5147 @@ -{*********************************************************** -glBitmap by Steffen Xonna aka Lossy eX (2003-2008) -http://www.opengl24.de/index.php?cat=header&file=glbitmap ------------------------------------------------------------- -The contents of this file are used with permission, subject to -the Mozilla Public License Version 1.1 (the "License"); you may -not use this file except in compliance with the License. You may -obtain a copy of the License at -http://www.mozilla.org/MPL/MPL-1.1.html ------------------------------------------------------------- -Version 2.0.3 ------------------------------------------------------------- -History -21-03-2010 -- The define GLB_DELPHI dosn't check versions anymore. If you say you are using delphi - then it's your problem if that isn't true. This prevents the unit for incompatibility - with newer versions of Delphi. -- Problems with D2009+ resolved (Thanks noeska and all i forgot) -- GetPixel isn't set if you are loading textures inside the constructor (Thanks Wilson) -10-08-2008 -- AddAlphaFromglBitmap used the custom pointer instead the imagedatapointer (Thanks Wilson) -- Additional Datapointer for functioninterface now has the name CustomData -24-07-2008 -- AssigneAlphaToBitmap overwrites his own palette (Thanks Wilson) -- If you load an texture from an file the property Filename will be set to the name of the file -- Three new properties to attach custom data to the Texture objects - - CustomName (free for use string) - - CustomNameW (free for use widestring) - - CustomDataPointer (free for use pointer to attach other objects or complex structures) -27-05-2008 -- RLE TGAs loaded much faster -26-05-2008 -- fixed some problem with reading RLE TGAs. -21-05-2008 -- function clone now only copys data if it's assigned and now it also copies the ID -- it seems that lazarus dont like comments in comments. -01-05-2008 -- It's possible to set the id of the texture -- define GLB_NO_NATIVE_GL deactivated by default -27-04-2008 -- Now supports the following libraries - - SDL and SDL_image - - libPNG - - libJPEG -- Linux compatibillity via free pascal compatibility (delphi sources optional) -- BMPs now loaded manuel -- Large restructuring -- Property DataPtr now has the name Data -- Functions are more flexible between RGB(A) and BGR(A). RGB can be saved as Bitmap and will be saved as BGR -- Unused Depth removed -- Function FreeData to freeing image data added -24-10-2007 -- ImageID flag of TGAs was ignored. (Thanks Zwoetzen) -15-11-2006 -- Function SetBorderColor implemented (only used by opengl if wrap is set to GL_CLAMP_TO_BORDER) -- Function AddAlphaFromValue implemented to use an fixed Value as Alphachannel -- Function ReadOpenGLExtension is now only intern -29-06-2006 -- pngimage now disabled by default like all other versions. -26-06-2006 -- Setting up an anisotropic filter of 0 isnt allowed by nvidia (Thanks Ogridi) -22-06-2006 -- Fixed some Problem with Delphi 5 -- Now uses the newest version of pngimage. Makes saving pngs much easier. -22-03-2006 -- Property IsCompressed and Size removed. Not really supported by Spec (Thanks Ogridi) -09-03-2006 -- Internal Format ifDepth8 added -- function GrabScreen now supports all uncompressed formats -31-01-2006 -- AddAlphaFromglBitmap implemented -29-12-2005 -- LoadFromResource and LoadFromResourceId now needs an Instance and an ResourceType (for ID) -28-12-2005 -- Width, Height and Depth internal changed to TglBitmapPixelPosition. - property Width, Height, Depth are still existing and new property Dimension are avail -11-12-2005 -- Added native OpenGL Support. Breaking the dglOpenGL "barrier". -19-10-2005 -- Added function GrabScreen to class TglBitmap2D -18-10-2005 -- Added support to Save images -- Added function Clone to Clone Instance -11-10-2005 -- Functions now works with Cardinals for each channel. Up to 32 Bits per channel. - Usefull for Future -- Several speed optimizations -09-10-2005 -- Internal structure change. Loading of TGA, PNG and DDS improved. - Data, format and size will now set directly with SetDataPtr. -- AddFunc now works with all Types of Images and Formats -- Some Funtions moved to Baseclass TglBitmap -06-10-2005 -- Added Support to decompress DXT3 and DXT5 compressed Images. -- Added Mapping to convert data from one format into an other. -05-10-2005 -- Added method ConvertTo in Class TglBitmap2D. Method allows to convert every - supported Input format (supported by GetPixel) into any uncompresed Format -- Added Support to decompress DXT1 compressed Images. -- SwapColors replaced by ConvertTo -04-10-2005 -- Added Support for compressed DDSs -- Added new internal formats (DXT1, DXT3, DXT5) -29-09-2005 -- Parameter Components renamed to InternalFormat -23-09-2005 -- Some AllocMem replaced with GetMem (little speed change) -- better exception handling. Better protection from memory leaks. -22-09-2005 -- Added support for Direct Draw Surfaces (.DDS) (uncompressed images only) -- Added new internal formats (RGB8, RGBA8, RGBA4, RGB5A1, RGB10A2, R5G6B5) -07-09-2005 -- Added support for Grayscale textures -- Added internal formats (Alpha, Luminance, LuminanceAlpha, BGR8, BGRA8) -10-07-2005 -- Added support for GL_VERSION_2_0 -- Added support for GL_EXT_texture_filter_anisotropic -04-07-2005 -- Function FillWithColor fills the Image with one Color -- Function LoadNormalMap added -30-06-2005 -- ToNormalMap allows to Create an NormalMap from the Alphachannel -- ToNormalMap now supports Sobel (nmSobel) function. -29-06-2005 -- support for RLE Compressed RGB TGAs added -28-06-2005 -- Class TglBitmapNormalMap added to support Normalmap generation -- Added function ToNormalMap in class TglBitmap2D to genereate normal maps from textures. - 3 Filters are supported. (4 Samples, 3x3 and 5x5) -16-06-2005 -- Method LoadCubeMapClass removed -- LoadCubeMap returnvalue is now the Texture paramter. Such as LoadTextures -- virtual abstract method GenTexture in class TglBitmap now is protected -12-06-2005 -- now support DescriptionFlag in LoadTga. Allows vertical flipped images to be loaded as normal -10-06-2005 -- little enhancement for IsPowerOfTwo -- TglBitmap1D.GenTexture now tests NPOT Textures -06-06-2005 -- some little name changes. All properties or function with Texture in name are - now without texture in name. We have allways texture so we dosn't name it. -03-06-2005 -- GenTexture now tests if texture is NPOT and NPOT-Texture are supported or - TextureTarget is GL_TEXTURE_RECTANGLE. Else it raised an exception. -02-06-2005 -- added support for GL_ARB_texture_rectangle, GL_EXT_texture_rectangle and GL_NV_texture_rectangle -25-04-2005 -- Function Unbind added -- call of SetFilter or SetTextureWrap if TextureID exists results in setting properties to opengl texture. -21-04-2005 -- class TglBitmapCubeMap added (allows to Create Cubemaps) -29-03-2005 -- Added Support for PNG Images. (http://pngdelphi.sourceforge.net/) - To Enable png's use the define pngimage -22-03-2005 -- New Functioninterface added -- Function GetPixel added -27-11-2004 -- Property BuildMipMaps renamed to MipMap -21-11-2004 -- property Name removed. -- BuildMipMaps is now a set of 3 values. None, GluBuildMipmaps and SGIS_generate_mipmap -22-05-2004 -- property name added. Only used in glForms! -26-11-2003 -- property FreeDataAfterGenTexture is now available as default (default = true) -- BuildMipmaps now implemented in TglBitmap1D (i've forgotten it) -- function MoveMemory replaced with function Move (little speed change) -- several calculations stored in variables (little speed change) -29-09-2003 -- property BuildMipsMaps added (default = True) - if BuildMipMaps isn't set GenTextures uses glTexImage[12]D else it use gluBuild[12]dMipmaps -- property FreeDataAfterGenTexture added (default = True) - if FreeDataAfterGenTexture is set the texturedata were deleted after the texture was generated. -- parameter DisableOtherTextureUnits of Bind removed -- parameter FreeDataAfterGeneration of GenTextures removed -12-09-2003 -- TglBitmap dosn't delete data if class was destroyed (fixed) -09-09-2003 -- Bind now enables TextureUnits (by params) -- GenTextures can leave data (by param) -- LoadTextures now optimal -03-09-2003 -- Performance optimization in AddFunc -- procedure Bind moved to subclasses -- Added new Class TglBitmap1D to support real OpenGL 1D Textures -19-08-2003 -- Texturefilter and texturewrap now also as defaults - Minfilter = GL_LINEAR_MIPMAP_LINEAR - Magfilter = GL_LINEAR - Wrap(str) = GL_CLAMP_TO_EDGE -- Added new format tfCompressed to create a compressed texture. -- propertys IsCompressed, TextureSize and IsResident added - IsCompressed and TextureSize only contains data from level 0 -18-08-2003 -- Added function AddFunc to add PerPixelEffects to Image -- LoadFromFunc now based on AddFunc -- Invert now based on AddFunc -- SwapColors now based on AddFunc -16-08-2003 -- Added function FlipHorz -15-08-2003 -- Added function LaodFromFunc to create images with function -- Added function FlipVert -- Added internal format RGB(A) if GL_EXT_bgra or OpenGL 1.2 isn't supported -29-07-2003 -- Added Alphafunctions to calculate alpha per function -- Added Alpha from ColorKey using alphafunctions -28-07-2003 -- First full functionally Version of glBitmap -- Support for 24Bit and 32Bit TGA Pictures added -25-07-2003 -- begin of programming -***********************************************************} -unit glBitmap; - -{$message warn 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'} -// Please uncomment the defines below to configure the glBitmap to your preferences. -// If you have configured the unit you can uncomment the warning above. - - -// ###### Start of preferences ################################################ - -{.$define GLB_NO_NATIVE_GL} -// To enable the dglOpenGL.pas Header -// With native GL then bindings are staticlly declared to support other headers -// or use the glBitmap inside of DLLs (minimize codesize). - - -{.$define GLB_SDL} -// To enable the support for SDL_surfaces - -{.$define GLB_DELPHI} -// To enable the support for TBitmap from Delphi (not lazarus) - +{ glBitmap by Steffen Xonna aka Lossy eX (2003-2008) + http://www.opengl24.de/index.php?cat=header&file=glbitmap + + modified by Delphi OpenGL Community (http://delphigl.com/) (2013) + + The contents of this file are used with permission, subject to + the Mozilla Public License Version 1.1 (the "License"); you may + not use this file except in compliance with the License. You may + obtain a copy of the License at + http://www.mozilla.org/MPL/MPL-1.1.html + + The glBitmap is a Delphi/FPC unit that contains several wrapper classes + to manage OpenGL texture objects. Below you can find a list of the main + functionality of this classes: + - load texture data from file (e.g. BMP, TGA, DDS, PNG, JPEG, ...) + - load texture data from several other image objects (e.g. TBitmap, TLazIntfImage, SDL Surface) + - save texture data to file (e.g. BMP, TGA, DDS, PNG, JPEG, ...) + - save texture data to several other image objects (e.g. TBitmap, TLazIntfImage, SDL Surface) + - support for many texture formats (e.g. RGB8, BGR8, RGBA8, BGRA8, ...) + - manage texture properties (e.g. Filter, Clamp, Mipmap, ...) + - upload texture data to video card + - download texture data from video card + - manipulate texture data (e.g. add alpha, remove alpha, convert to other format, switch RGB, ...) } -// *** image libs *** +unit glBitmap; -{.$define GLB_SDL_IMAGE} -// To enable the support of SDL_image to load files. (READ ONLY) -// If you enable SDL_image all other libraries will be ignored! +{$I glBitmapConf.inc} +// Delphi Versions +{$IFDEF fpc} + {$MODE Delphi} -{.$define GLB_PNGIMAGE} -// to enable png support with the unit pngimage. You can download it from http://pngdelphi.sourceforge.net/ -// if you enable pngimage the libPNG will be ignored + {$IFDEF CPUI386} + {$DEFINE CPU386} + {$ASMMODE INTEL} + {$ENDIF} -{.$define GLB_LIB_PNG} -// to use the libPNG http://www.libpng.org/ -// You will need an aditional header. -// http://www.opengl24.de/index.php?cat=header&file=libpng + {$IFNDEF WINDOWS} + {$linklib c} + {$ENDIF} +{$ENDIF} + +// Operation System +{$IF DEFINED(WIN32) or DEFINED(WIN64) or DEFINED(WINDOWS)} + {$DEFINE GLB_WIN} +{$ELSEIF DEFINED(LINUX)} + {$DEFINE GLB_LINUX} +{$IFEND} + +// OpenGL ES +{$IF DEFINED(OPENGL_ES_EXT)} {$DEFINE OPENGL_ES_1_1} {$IFEND} +{$IF DEFINED(OPENGL_ES_3_0)} {$DEFINE OPENGL_ES_2_0} {$IFEND} +{$IF DEFINED(OPENGL_ES_2_0)} {$DEFINE OPENGL_ES_1_1} {$IFEND} +{$IF DEFINED(OPENGL_ES_1_1)} {$DEFINE OPENGL_ES} {$IFEND} + +// checking define combinations +//SDL Image +{$IFDEF GLB_SDL_IMAGE} + {$IFNDEF GLB_SDL} + {$MESSAGE warn 'SDL_image won''t work without SDL. SDL will be activated.'} + {$DEFINE GLB_SDL} + {$ENDIF} -{.$define GLB_DELPHI_JPEG} -// if you enable delphi jpegs the libJPEG will be ignored + {$IFDEF GLB_LAZ_PNG} + {$MESSAGE warn 'The Lazarus TPortableNetworkGraphics will be ignored because you are using SDL_image.'} + {$undef GLB_LAZ_PNG} + {$ENDIF} -{.$define GLB_LIB_JPEG} -// to use the libJPEG http://www.ijg.org/ -// You will need an aditional header. -// http://www.opengl24.de/index.php?cat=header&file=libjpeg + {$IFDEF GLB_PNGIMAGE} + {$MESSAGE warn 'The unit pngimage will be ignored because you are using SDL_image.'} + {$undef GLB_PNGIMAGE} + {$ENDIF} -// ###### End of preferences ################################################## + {$IFDEF GLB_LAZ_JPEG} + {$MESSAGE warn 'The Lazarus TJPEGImage will be ignored because you are using SDL_image.'} + {$undef GLB_LAZ_JPEG} + {$ENDIF} + {$IFDEF GLB_DELPHI_JPEG} + {$MESSAGE warn 'The unit JPEG will be ignored because you are using SDL_image.'} + {$undef GLB_DELPHI_JPEG} + {$ENDIF} -// ###### PRIVATE. Do not change anything. #################################### -// *** old defines for compatibility *** -{$ifdef NO_NATIVE_GL} - {$define GLB_NO_NATIVE_GL} -{$endif} -{$ifdef pngimage} - {$definde GLB_PNGIMAGE} -{$endif} + {$IFDEF GLB_LIB_PNG} + {$MESSAGE warn 'The library libPNG will be ignored because you are using SDL_image.'} + {$undef GLB_LIB_PNG} + {$ENDIF} + {$IFDEF GLB_LIB_JPEG} + {$MESSAGE warn 'The library libJPEG will be ignored because you are using SDL_image.'} + {$undef GLB_LIB_JPEG} + {$ENDIF} -// *** Delphi Versions *** -{$ifdef fpc} - {$MODE Delphi} + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_JPEG_READ} +{$ENDIF} - {$ifdef CPUI386} - {$define CPU386} - {$asmmode INTEL} - {$endif} +// Lazarus TPortableNetworkGraphic +{$IFDEF GLB_LAZ_PNG} + {$IFNDEF GLB_LAZARUS} + {$MESSAGE warn 'Lazarus TPortableNetworkGraphic won''t work without Lazarus. Lazarus will be activated.'} + {$DEFINE GLB_LAZARUS} + {$ENDIF} - {$ifndef WIN32} - {$linklib c} - {$endif} -{$endif} - -// *** checking define combinations *** -{$ifdef GLB_SDL_IMAGE} - {$ifndef GLB_SDL} - {$message warn 'SDL_image won''t work without SDL. SDL will be activated.'} - {$define GLB_SDL} - {$endif} - {$ifdef GLB_PNGIMAGE} - {$message warn 'The unit pngimage will be ignored because you are using SDL_image.'} + {$IFDEF GLB_PNGIMAGE} + {$MESSAGE warn 'The pngimage will be ignored if you are using Lazarus TPortableNetworkGraphic.'} {$undef GLB_PNGIMAGE} - {$endif} - {$ifdef GLB_DELPHI_JPEG} - {$message warn 'The unit JPEG will be ignored because you are using SDL_image.'} - {$undef GLB_DELPHI_JPEG} - {$endif} - {$ifdef GLB_LIB_PNG} - {$message warn 'The library libPNG will be ignored because you are using SDL_image.'} + {$ENDIF} + + {$IFDEF GLB_LIB_PNG} + {$MESSAGE warn 'The library libPNG will be ignored if you are using Lazarus TPortableNetworkGraphic.'} {$undef GLB_LIB_PNG} - {$endif} - {$ifdef GLB_LIB_JPEG} - {$message warn 'The library libJPEG will be ignored because you are using SDL_image.'} - {$undef GLB_LIB_JPEG} - {$endif} + {$ENDIF} - {$define GLB_SUPPORT_PNG_READ} - {$define GLB_SUPPORT_JPEG_READ} -{$endif} + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} -{$ifdef GLB_PNGIMAGE} - {$ifdef GLB_LIB_PNG} - {$message warn 'The library libPNG will be ignored if you are using pngimage.'} +// PNG Image +{$IFDEF GLB_PNGIMAGE} + {$IFDEF GLB_LIB_PNG} + {$MESSAGE warn 'The library libPNG will be ignored if you are using pngimage.'} {$undef GLB_LIB_PNG} - {$endif} + {$ENDIF} + + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} + +// libPNG +{$IFDEF GLB_LIB_PNG} + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} + +// Lazarus TJPEGImage +{$IFDEF GLB_LAZ_JPEG} + {$IFNDEF GLB_LAZARUS} + {$MESSAGE warn 'Lazarus TJPEGImage won''t work without Lazarus. Lazarus will be activated.'} + {$DEFINE GLB_LAZARUS} + {$ENDIF} - {$define GLB_SUPPORT_PNG_READ} - {$define GLB_SUPPORT_PNG_WRITE} -{$endif} + {$IFDEF GLB_DELPHI_JPEG} + {$MESSAGE warn 'The Delphi JPEGImage will be ignored if you are using the Lazarus TJPEGImage.'} + {$undef GLB_DELPHI_JPEG} + {$ENDIF} -{$ifdef GLB_LIB_PNG} - {$define GLB_SUPPORT_PNG_READ} - {$define GLB_SUPPORT_PNG_WRITE} -{$endif} + {$IFDEF GLB_LIB_JPEG} + {$MESSAGE warn 'The library libJPEG will be ignored if you are using the Lazarus TJPEGImage.'} + {$undef GLB_LIB_JPEG} + {$ENDIF} + {$DEFINE GLB_SUPPORT_JPEG_READ} + {$DEFINE GLB_SUPPORT_JPEG_WRITE} +{$ENDIF} -{$ifdef GLB_DELPHI_JPEG} - {$ifdef GLB_LIB_JPEG} - {$message warn 'The library libJPEG will be ignored if you are using the unit JPEG.'} +// JPEG Image +{$IFDEF GLB_DELPHI_JPEG} + {$IFDEF GLB_LIB_JPEG} + {$MESSAGE warn 'The library libJPEG will be ignored if you are using the unit JPEG.'} {$undef GLB_LIB_JPEG} - {$endif} + {$ENDIF} - {$define GLB_SUPPORT_JPEG_READ} - {$define GLB_SUPPORT_JPEG_WRITE} -{$endif} + {$DEFINE GLB_SUPPORT_JPEG_READ} + {$DEFINE GLB_SUPPORT_JPEG_WRITE} +{$ENDIF} -{$ifdef GLB_LIB_JPEG} - {$define GLB_SUPPORT_JPEG_READ} - {$define GLB_SUPPORT_JPEG_WRITE} -{$endif} +// libJPEG +{$IFDEF GLB_LIB_JPEG} + {$DEFINE GLB_SUPPORT_JPEG_READ} + {$DEFINE GLB_SUPPORT_JPEG_WRITE} +{$ENDIF} -// *** general options *** +// general options {$EXTENDEDSYNTAX ON} {$LONGSTRINGS ON} {$ALIGN ON} -{$ifndef fpc} +{$IFNDEF FPC} {$OPTIMIZATION ON} -{$endif} - +{$ENDIF} interface - uses - {$ifdef GLB_NO_NATIVE_GL} dglOpenGL, {$endif} + {$IFDEF OPENGL_ES} dglOpenGLES, + {$ELSE} dglOpenGL, {$ENDIF} - {$ifdef GLB_SDL} SDL, {$endif} - {$ifdef GLB_DELPHI} Dialogs, Windows, Graphics, {$endif} + {$IF DEFINED(GLB_WIN) AND + DEFINED(GLB_DELPHI)} windows, {$IFEND} - {$ifdef GLB_SDL_IMAGE} SDL_image, {$endif} + {$IFDEF GLB_SDL} SDL, {$ENDIF} + {$IFDEF GLB_LAZARUS} IntfGraphics, GraphType, Graphics, {$ENDIF} + {$IFDEF GLB_DELPHI} Dialogs, Graphics, Types, {$ENDIF} - {$ifdef GLB_PNGIMAGE} pngimage, {$endif} - {$ifdef GLB_LIB_PNG} libPNG, {$endif} + {$IFDEF GLB_SDL_IMAGE} SDL_image, {$ENDIF} + {$IFDEF GLB_PNGIMAGE} pngimage, {$ENDIF} + {$IFDEF GLB_LIB_PNG} libPNG, {$ENDIF} + {$IFDEF GLB_DELPHI_JPEG} JPEG, {$ENDIF} + {$IFDEF GLB_LIB_JPEG} libJPEG, {$ENDIF} - {$ifdef GLB_DELPHI_JPEG} JPEG, {$endif} - {$ifdef GLB_LIB_JPEG} libJPEG, {$endif} Classes, SysUtils; - - -{$ifndef GLB_DELPHI} type - HGLRC = Cardinal; - DWORD = Cardinal; - PDWORD = ^DWORD; +{$IFNDEF fpc} + QWord = System.UInt64; + PQWord = ^QWord; + + PtrInt = Longint; + PtrUInt = DWord; +{$ENDIF} + + + { type that describes the format of the data stored in a texture. + the name of formats is composed of the following constituents: + - multiple channels: + - channel (e.g. R, G, B, A or Alpha, Luminance or X (reserved)) + - width of the chanel in bit (4, 8, 16, ...) + - data type (e.g. ub, us, ui) + - number of elements of data types } + TglBitmapFormat = ( + tfEmpty = 0, + + tfAlpha4ub1, //< 1 x unsigned byte + tfAlpha8ub1, //< 1 x unsigned byte + tfAlpha16us1, //< 1 x unsigned short + + tfLuminance4ub1, //< 1 x unsigned byte + tfLuminance8ub1, //< 1 x unsigned byte + tfLuminance16us1, //< 1 x unsigned short + + tfLuminance4Alpha4ub2, //< 1 x unsigned byte (lum), 1 x unsigned byte (alpha) + tfLuminance6Alpha2ub2, //< 1 x unsigned byte (lum), 1 x unsigned byte (alpha) + tfLuminance8Alpha8ub2, //< 1 x unsigned byte (lum), 1 x unsigned byte (alpha) + tfLuminance12Alpha4us2, //< 1 x unsigned short (lum), 1 x unsigned short (alpha) + tfLuminance16Alpha16us2, //< 1 x unsigned short (lum), 1 x unsigned short (alpha) + + tfR3G3B2ub1, //< 1 x unsigned byte (3bit red, 3bit green, 2bit blue) + tfRGBX4us1, //< 1 x unsigned short (4bit red, 4bit green, 4bit blue, 4bit reserverd) + tfXRGB4us1, //< 1 x unsigned short (4bit reserved, 4bit red, 4bit green, 4bit blue) + tfR5G6B5us1, //< 1 x unsigned short (5bit red, 6bit green, 5bit blue) + tfRGB5X1us1, //< 1 x unsigned short (5bit red, 5bit green, 5bit blue, 1bit reserved) + tfX1RGB5us1, //< 1 x unsigned short (1bit reserved, 5bit red, 5bit green, 5bit blue) + tfRGB8ub3, //< 1 x unsigned byte (red), 1 x unsigned byte (green), 1 x unsigned byte (blue) + tfRGBX8ui1, //< 1 x unsigned int (8bit red, 8bit green, 8bit blue, 8bit reserved) + tfXRGB8ui1, //< 1 x unsigned int (8bit reserved, 8bit red, 8bit green, 8bit blue) + tfRGB10X2ui1, //< 1 x unsigned int (10bit red, 10bit green, 10bit blue, 2bit reserved) + tfX2RGB10ui1, //< 1 x unsigned int (2bit reserved, 10bit red, 10bit green, 10bit blue) + tfRGB16us3, //< 1 x unsigned short (red), 1 x unsigned short (green), 1 x unsigned short (blue) + + tfRGBA4us1, //< 1 x unsigned short (4bit red, 4bit green, 4bit blue, 4bit alpha) + tfARGB4us1, //< 1 x unsigned short (4bit alpha, 4bit red, 4bit green, 4bit blue) + tfRGB5A1us1, //< 1 x unsigned short (5bit red, 5bit green, 5bit blue, 1bit alpha) + tfA1RGB5us1, //< 1 x unsigned short (1bit alpha, 5bit red, 5bit green, 5bit blue) + tfRGBA8ui1, //< 1 x unsigned int (8bit red, 8bit green, 8bit blue, 8 bit alpha) + tfARGB8ui1, //< 1 x unsigned int (8 bit alpha, 8bit red, 8bit green, 8bit blue) + tfRGBA8ub4, //< 1 x unsigned byte (red), 1 x unsigned byte (green), 1 x unsigned byte (blue), 1 x unsigned byte (alpha) + tfRGB10A2ui1, //< 1 x unsigned int (10bit red, 10bit green, 10bit blue, 2bit alpha) + tfA2RGB10ui1, //< 1 x unsigned int (2bit alpha, 10bit red, 10bit green, 10bit blue) + tfRGBA16us4, //< 1 x unsigned short (red), 1 x unsigned short (green), 1 x unsigned short (blue), 1 x unsigned short (alpha) + + tfBGRX4us1, //< 1 x unsigned short (4bit blue, 4bit green, 4bit red, 4bit reserved) + tfXBGR4us1, //< 1 x unsigned short (4bit reserved, 4bit blue, 4bit green, 4bit red) + tfB5G6R5us1, //< 1 x unsigned short (5bit blue, 6bit green, 5bit red) + tfBGR5X1us1, //< 1 x unsigned short (5bit blue, 5bit green, 5bit red, 1bit reserved) + tfX1BGR5us1, //< 1 x unsigned short (1bit reserved, 5bit blue, 5bit green, 5bit red) + tfBGR8ub3, //< 1 x unsigned byte (blue), 1 x unsigned byte (green), 1 x unsigned byte (red) + tfBGRX8ui1, //< 1 x unsigned int (8bit blue, 8bit green, 8bit red, 8bit reserved) + tfXBGR8ui1, //< 1 x unsigned int (8bit reserved, 8bit blue, 8bit green, 8bit red) + tfBGR10X2ui1, //< 1 x unsigned int (10bit blue, 10bit green, 10bit red, 2bit reserved) + tfX2BGR10ui1, //< 1 x unsigned int (2bit reserved, 10bit blue, 10bit green, 10bit red) + tfBGR16us3, //< 1 x unsigned short (blue), 1 x unsigned short (green), 1 x unsigned short (red) + + tfBGRA4us1, //< 1 x unsigned short (4bit blue, 4bit green, 4bit red, 4bit alpha) + tfABGR4us1, //< 1 x unsigned short (4bit alpha, 4bit blue, 4bit green, 4bit red) + tfBGR5A1us1, //< 1 x unsigned short (5bit blue, 5bit green, 5bit red, 1bit alpha) + tfA1BGR5us1, //< 1 x unsigned short (1bit alpha, 5bit blue, 5bit green, 5bit red) + tfBGRA8ui1, //< 1 x unsigned int (8bit blue, 8bit green, 8bit red, 8bit alpha) + tfABGR8ui1, //< 1 x unsigned int (8bit alpha, 8bit blue, 8bit green, 8bit red) + tfBGRA8ub4, //< 1 x unsigned byte (blue), 1 x unsigned byte (green), 1 x unsigned byte (red), 1 x unsigned byte (alpha) + tfBGR10A2ui1, //< 1 x unsigned int (10bit blue, 10bit green, 10bit red, 2bit alpha) + tfA2BGR10ui1, //< 1 x unsigned int (2bit alpha, 10bit blue, 10bit green, 10bit red) + tfBGRA16us4, //< 1 x unsigned short (blue), 1 x unsigned short (green), 1 x unsigned short (red), 1 x unsigned short (alpha) + + tfDepth16us1, //< 1 x unsigned short (depth) + tfDepth24ui1, //< 1 x unsigned int (depth) + tfDepth32ui1, //< 1 x unsigned int (depth) + + tfS3tcDtx1RGBA, + tfS3tcDtx3RGBA, + tfS3tcDtx5RGBA + ); - TRGBQuad = packed record - rgbBlue: Byte; - rgbGreen: Byte; - rgbRed: Byte; - rgbReserved: Byte; + { type to define suitable file formats } + TglBitmapFileType = ( + {$IFDEF GLB_SUPPORT_PNG_WRITE} ftPNG, {$ENDIF} //< Portable Network Graphic file (PNG) + {$IFDEF GLB_SUPPORT_JPEG_WRITE}ftJPEG, {$ENDIF} //< JPEG file + ftDDS, //< Direct Draw Surface file (DDS) + ftTGA, //< Targa Image File (TGA) + ftBMP, //< Windows Bitmap File (BMP) + ftRAW); //< glBitmap RAW file format + TglBitmapFileTypes = set of TglBitmapFileType; + + { possible mipmap types } + TglBitmapMipMap = ( + mmNone, //< no mipmaps + mmMipmap, //< normal mipmaps + mmMipmapGlu); //< mipmaps generated with glu functions + + { possible normal map functions } + TglBitmapNormalMapFunc = ( + nm4Samples, + nmSobel, + nm3x3, + nm5x5); + + //////////////////////////////////////////////////////////////////////////////////////////////////// + EglBitmap = class(Exception); //< glBitmap exception + EglBitmapNotSupported = class(Exception); //< exception for not supported functions + EglBitmapSizeToLarge = class(EglBitmap); //< exception for to large textures + EglBitmapNonPowerOfTwo = class(EglBitmap); //< exception for non power of two textures + EglBitmapUnsupportedFormat = class(EglBitmap) //< exception for unsupporetd formats + public + constructor Create(const aFormat: TglBitmapFormat); overload; + constructor Create(const aMsg: String; const aFormat: TglBitmapFormat); overload; + end; + +//////////////////////////////////////////////////////////////////////////////////////////////////// + { record that stores 4 unsigned integer values } + TglBitmapRec4ui = packed record + case Integer of + 0: (r, g, b, a: Cardinal); + 1: (arr: array[0..3] of Cardinal); + end; + + { record that stores 4 unsigned byte values } + TglBitmapRec4ub = packed record + case Integer of + 0: (r, g, b, a: Byte); + 1: (arr: array[0..3] of Byte); + end; + + { record that stores 4 unsigned long integer values } + TglBitmapRec4ul = packed record + case Integer of + 0: (r, g, b, a: QWord); + 1: (arr: array[0..3] of QWord); + end; + + { structure to store pixel data in } + TglBitmapPixelData = packed record + Data: TglBitmapRec4ui; //< color data for each color channel + Range: TglBitmapRec4ui; //< maximal color value for each channel + Format: TglBitmapFormat; //< format of the pixel end; -{$endif} - - -{$ifndef GLB_NO_NATIVE_GL} -// Native OpenGL Implementation -type - PByteBool = ^ByteBool; - -{$ifdef GLB_DELPHI} -var - gLastContext: HGLRC; -{$endif} - -const - // Generell - GL_VERSION = $1F02; - GL_EXTENSIONS = $1F03; - - GL_TRUE = 1; - GL_FALSE = 0; - - GL_TEXTURE_1D = $0DE0; - GL_TEXTURE_2D = $0DE1; - - GL_MAX_TEXTURE_SIZE = $0D33; - GL_PACK_ALIGNMENT = $0D05; - GL_UNPACK_ALIGNMENT = $0CF5; - - // Textureformats - GL_RGB = $1907; - GL_RGB4 = $804F; - GL_RGB8 = $8051; - GL_RGBA = $1908; - GL_RGBA4 = $8056; - GL_RGBA8 = $8058; - GL_BGR = $80E0; - GL_BGRA = $80E1; - GL_ALPHA4 = $803B; - GL_ALPHA8 = $803C; - GL_LUMINANCE4 = $803F; - GL_LUMINANCE8 = $8040; - GL_LUMINANCE4_ALPHA4 = $8043; - GL_LUMINANCE8_ALPHA8 = $8045; - GL_DEPTH_COMPONENT = $1902; - - GL_UNSIGNED_BYTE = $1401; - GL_ALPHA = $1906; - GL_LUMINANCE = $1909; - GL_LUMINANCE_ALPHA = $190A; - - GL_TEXTURE_WIDTH = $1000; - GL_TEXTURE_HEIGHT = $1001; - GL_TEXTURE_INTERNAL_FORMAT = $1003; - GL_TEXTURE_RED_SIZE = $805C; - GL_TEXTURE_GREEN_SIZE = $805D; - GL_TEXTURE_BLUE_SIZE = $805E; - GL_TEXTURE_ALPHA_SIZE = $805F; - GL_TEXTURE_LUMINANCE_SIZE = $8060; - - // Dataformats - GL_UNSIGNED_SHORT_5_6_5 = $8363; - GL_UNSIGNED_SHORT_5_6_5_REV = $8364; - GL_UNSIGNED_SHORT_4_4_4_4_REV = $8365; - GL_UNSIGNED_SHORT_1_5_5_5_REV = $8366; - GL_UNSIGNED_INT_2_10_10_10_REV = $8368; - - // Filter - GL_NEAREST = $2600; - GL_LINEAR = $2601; - GL_NEAREST_MIPMAP_NEAREST = $2700; - GL_LINEAR_MIPMAP_NEAREST = $2701; - GL_NEAREST_MIPMAP_LINEAR = $2702; - GL_LINEAR_MIPMAP_LINEAR = $2703; - GL_TEXTURE_MAG_FILTER = $2800; - GL_TEXTURE_MIN_FILTER = $2801; - - // Wrapmodes - GL_TEXTURE_WRAP_S = $2802; - GL_TEXTURE_WRAP_T = $2803; - GL_CLAMP = $2900; - GL_REPEAT = $2901; - GL_CLAMP_TO_EDGE = $812F; - GL_CLAMP_TO_BORDER = $812D; - GL_TEXTURE_WRAP_R = $8072; - - GL_MIRRORED_REPEAT = $8370; - - // Border Color - GL_TEXTURE_BORDER_COLOR = $1004; - - // Texgen - GL_NORMAL_MAP = $8511; - GL_REFLECTION_MAP = $8512; - GL_S = $2000; - GL_T = $2001; - GL_R = $2002; - GL_TEXTURE_GEN_MODE = $2500; - GL_TEXTURE_GEN_S = $0C60; - GL_TEXTURE_GEN_T = $0C61; - GL_TEXTURE_GEN_R = $0C62; - - // Cubemaps - GL_MAX_CUBE_MAP_TEXTURE_SIZE = $851C; - GL_TEXTURE_CUBE_MAP = $8513; - GL_TEXTURE_BINDING_CUBE_MAP = $8514; - GL_TEXTURE_CUBE_MAP_POSITIVE_X = $8515; - GL_TEXTURE_CUBE_MAP_NEGATIVE_X = $8516; - GL_TEXTURE_CUBE_MAP_POSITIVE_Y = $8517; - GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = $8518; - GL_TEXTURE_CUBE_MAP_POSITIVE_Z = $8519; - GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = $851A; - - GL_TEXTURE_RECTANGLE_ARB = $84F5; - - // GL_SGIS_generate_mipmap - GL_GENERATE_MIPMAP = $8191; - - // GL_EXT_texture_compression_s3tc - GL_COMPRESSED_RGB_S3TC_DXT1_EXT = $83F0; - GL_COMPRESSED_RGBA_S3TC_DXT1_EXT = $83F1; - GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = $83F2; - GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = $83F3; - - // GL_EXT_texture_filter_anisotropic - GL_TEXTURE_MAX_ANISOTROPY_EXT = $84FE; - GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT = $84FF; - - // GL_ARB_texture_compression - GL_COMPRESSED_RGB = $84ED; - GL_COMPRESSED_RGBA = $84EE; - GL_COMPRESSED_ALPHA = $84E9; - GL_COMPRESSED_LUMINANCE = $84EA; - GL_COMPRESSED_LUMINANCE_ALPHA = $84EB; - - // Extensions -var - GL_VERSION_1_2, - GL_VERSION_1_3, - GL_VERSION_1_4, - GL_VERSION_2_0, - - GL_ARB_texture_border_clamp, - GL_ARB_texture_cube_map, - GL_ARB_texture_compression, - GL_ARB_texture_non_power_of_two, - GL_ARB_texture_rectangle, - GL_ARB_texture_mirrored_repeat, - GL_EXT_bgra, - GL_EXT_texture_edge_clamp, - GL_EXT_texture_cube_map, - GL_EXT_texture_compression_s3tc, - GL_EXT_texture_filter_anisotropic, - GL_EXT_texture_rectangle, - GL_NV_texture_rectangle, - GL_IBM_texture_mirrored_repeat, - GL_SGIS_generate_mipmap: Boolean; - - // Funtions -const - -{$ifdef LINUX} - libglu = 'libGLU.so.1'; - libopengl = 'libGL.so.1'; -{$else} - libglu = 'glu32.dll'; - libopengl = 'opengl32.dll'; -{$endif} + PglBitmapPixelData = ^TglBitmapPixelData; + TglBitmapSizeFields = set of (ffX, ffY); + TglBitmapSize = packed record + Fields: TglBitmapSizeFields; + X: Word; + Y: Word; + end; + TglBitmapPixelPosition = TglBitmapSize; -{$ifdef LINUX} - function glXGetProcAddress(ProcName: PAnsiChar): Pointer; cdecl; external libopengl; -{$else} - function wglGetProcAddress(ProcName: PAnsiChar): Pointer; stdcall; external libopengl; -{$endif} + { describes the properties of a given texture data format } + TglBitmapFormatDescriptor = class(TObject) + private + // cached properties + fBytesPerPixel: Single; //< number of bytes for each pixel + fChannelCount: Integer; //< number of color channels + fMask: TglBitmapRec4ul; //< bitmask for each color channel + fRange: TglBitmapRec4ui; //< maximal value of each color channel - function glGetString(name: Cardinal): PAnsiChar; {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + { @return @true if the format has a red color channel, @false otherwise } + function GetHasRed: Boolean; - procedure glEnable(cap: Cardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glDisable(cap: Cardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glGetIntegerv(pname: Cardinal; params: PInteger); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + { @return @true if the format has a green color channel, @false otherwise } + function GetHasGreen: Boolean; - procedure glTexImage1D(target: Cardinal; level, internalformat, width, border: Integer; format, atype: Cardinal; const pixels: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glTexImage2D(target: Cardinal; level, internalformat, width, height, border: Integer; format, atype: Cardinal; const pixels: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + { @return @true if the format has a blue color channel, @false otherwise } + function GetHasBlue: Boolean; - procedure glGenTextures(n: Integer; Textures: PCardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glBindTexture(target: Cardinal; Texture: Cardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glDeleteTextures(n: Integer; const textures: PCardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + { @return @true if the format has a alpha color channel, @false otherwise } + function GetHasAlpha: Boolean; - procedure glReadPixels(x, y: Integer; width, height: Integer; format, atype: Cardinal; pixels: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glPixelStorei(pname: Cardinal; param: Integer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glGetTexImage(target: Cardinal; level: Integer; format: Cardinal; _type: Cardinal; pixels: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + { @return @true if the format has any color color channel, @false otherwise } + function GetHasColor: Boolean; - function glAreTexturesResident(n: Integer; const Textures: PCardinal; residences: PByteBool): ByteBool; {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glTexParameteri(target: Cardinal; pname: Cardinal; param: Integer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glTexParameterfv(target: Cardinal; pname: Cardinal; const params: PSingle); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glGetTexLevelParameteriv(target: Cardinal; level: Integer; pname: Cardinal; params: PInteger); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glTexGeni(coord, pname: Cardinal; param: Integer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + { @return @true if the format is a grayscale format, @false otherwise } + function GetIsGrayscale: Boolean; - function gluBuild1DMipmaps(Target: Cardinal; Components, Width: Integer; Format, atype: Cardinal; Data: Pointer): Integer; {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libglu; - function gluBuild2DMipmaps(Target: Cardinal; Components, Width, Height: Integer; Format, aType: Cardinal; Data: Pointer): Integer; {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libglu; + { @return @true if the format is supported by OpenGL, @false otherwise } + function GetHasOpenGLSupport: Boolean; -var - glCompressedTexImage2D : procedure(target: Cardinal; level: Integer; internalformat: Cardinal; width, height: Integer; border: Integer; imageSize: Integer; const data: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} - glCompressedTexImage1D : procedure(target: Cardinal; level: Integer; internalformat: Cardinal; width: Integer; border: Integer; imageSize: Integer; const data: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} - glGetCompressedTexImage : procedure(target: Cardinal; level: Integer; img: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} -{$endif} + protected + fFormat: TglBitmapFormat; //< format this descriptor belongs to + fWithAlpha: TglBitmapFormat; //< suitable format with alpha channel + fWithoutAlpha: TglBitmapFormat; //< suitable format without alpha channel + fOpenGLFormat: TglBitmapFormat; //< suitable format that is supported by OpenGL + fRGBInverted: TglBitmapFormat; //< suitable format with inverted RGB channels + fUncompressed: TglBitmapFormat; //< suitable format with uncompressed data + fBitsPerPixel: Integer; //< number of bits per pixel + fIsCompressed: Boolean; //< @true if the format is compressed, @false otherwise -type - // Exception - EglBitmapException = Exception; - EglBitmapSizeToLargeException = EglBitmapException; - EglBitmapNonPowerOfTwoException = EglBitmapException; - EglBitmapUnsupportedInternalFormat = EglBitmapException; - - // Functions - TglBitmapPixelDesc = packed record - RedRange: Cardinal; - RedShift: Shortint; - GreenRange: Cardinal; - GreenShift: Shortint; - BlueRange: Cardinal; - BlueShift: Shortint; - AlphaRange: Cardinal; - AlphaShift: Shortint; - end; + fPrecision: TglBitmapRec4ub; //< number of bits for each color channel + fShift: TglBitmapRec4ub; //< bit offset for each color channel - TglBitmapPixelData = packed record - Red: Cardinal; - Green: Cardinal; - Blue: Cardinal; - Alpha: Cardinal; + fglFormat: GLenum; //< OpenGL format enum (e.g. GL_RGB) + fglInternalFormat: GLenum; //< OpenGL internal format enum (e.g. GL_RGB8) + fglDataFormat: GLenum; //< OpenGL data format enum (e.g. GL_UNSIGNED_BYTE) - PixelDesc: TglBitmapPixelDesc; - end; + { set values for this format descriptor } + procedure SetValues; virtual; - TglBitmapPixelPositionFields = set of (ffX, ffY); - TglBitmapPixelPosition = record - Fields : TglBitmapPixelPositionFields; - X : Word; - Y : Word; + { calculate cached values } + procedure CalcValues; + public + property Format: TglBitmapFormat read fFormat; //< format this descriptor belongs to + property ChannelCount: Integer read fChannelCount; //< number of color channels + property IsCompressed: Boolean read fIsCompressed; //< @true if the format is compressed, @false otherwise + property BitsPerPixel: Integer read fBitsPerPixel; //< number of bytes per pixel + property BytesPerPixel: Single read fBytesPerPixel; //< number of bits per pixel + + property Precision: TglBitmapRec4ub read fPrecision; //< number of bits for each color channel + property Shift: TglBitmapRec4ub read fShift; //< bit offset for each color channel + property Range: TglBitmapRec4ui read fRange; //< maximal value of each color channel + property Mask: TglBitmapRec4ul read fMask; //< bitmask for each color channel + + property RGBInverted: TglBitmapFormat read fRGBInverted; //< suitable format with inverted RGB channels + property WithAlpha: TglBitmapFormat read fWithAlpha; //< suitable format with alpha channel + property WithoutAlpha: TglBitmapFormat read fWithAlpha; //< suitable format without alpha channel + property OpenGLFormat: TglBitmapFormat read fOpenGLFormat; //< suitable format that is supported by OpenGL + property Uncompressed: TglBitmapFormat read fUncompressed; //< suitable format with uncompressed data + + property glFormat: GLenum read fglFormat; //< OpenGL format enum (e.g. GL_RGB) + property glInternalFormat: GLenum read fglInternalFormat; //< OpenGL internal format enum (e.g. GL_RGB8) + property glDataFormat: GLenum read fglDataFormat; //< OpenGL data format enum (e.g. GL_UNSIGNED_BYTE) + + property HasRed: Boolean read GetHasRed; //< @true if the format has a red color channel, @false otherwise + property HasGreen: Boolean read GetHasGreen; //< @true if the format has a green color channel, @false otherwise + property HasBlue: Boolean read GetHasBlue; //< @true if the format has a blue color channel, @false otherwise + property HasAlpha: Boolean read GetHasAlpha; //< @true if the format has a alpha color channel, @false otherwise + property HasColor: Boolean read GetHasColor; //< @true if the format has any color color channel, @false otherwise + property IsGrayscale: Boolean read GetIsGrayscale; //< @true if the format is a grayscale format, @false otherwise + + property HasOpenGLSupport: Boolean read GetHasOpenGLSupport; //< @true if the format is supported by OpenGL, @false otherwise + + function GetSize(const aSize: TglBitmapSize): Integer; overload; virtual; + function GetSize(const aWidth, aHeight: Integer): Integer; overload; virtual; + + { constructor } + constructor Create; + public + { get the format descriptor by a given OpenGL internal format + @param aInternalFormat OpenGL internal format to get format descriptor for + @returns suitable format descriptor or tfEmpty-Descriptor } + class function GetByFormat(const aInternalFormat: GLenum): TglBitmapFormatDescriptor; end; -const - cNullSize : TglBitmapPixelPosition = (Fields : []; X: 0; Y: 0); - -type - TglBitmap = class; +//////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapData = class; + { structure to store data for converting in } TglBitmapFunctionRec = record - Sender : TglBitmap; - Size: TglBitmapPixelPosition; - Position: TglBitmapPixelPosition; - Source: TglBitmapPixelData; - Dest: TglBitmapPixelData; - CustomData: Pointer; + Sender: TglBitmapData; //< texture object that stores the data to convert + Size: TglBitmapSize; //< size of the texture + Position: TglBitmapPixelPosition; //< position of the currently pixel + Source: TglBitmapPixelData; //< pixel data of the current pixel + Dest: TglBitmapPixelData; //< new data of the pixel (must be filled in) + Args: Pointer; //< user defined args that was passed to the convert function end; + { callback to use for converting texture data } TglBitmapFunction = procedure(var FuncRec: TglBitmapFunctionRec); - TglBitmapGetPixel = procedure ( - const Pos: TglBitmapPixelPosition; - var Pixel: TglBitmapPixelData) of object; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + { class to store texture data in. used to load, save and + manipulate data before assigned to texture object + all operations on a data object can be done from a background thread } + TglBitmapData = class + private { fields } - TglBitmapSetPixel = procedure ( - const Pos: TglBitmapPixelPosition; - const Pixel: TglBitmapPixelData) of object; + fData: PByte; //< texture data + fDimension: TglBitmapSize; //< pixel size of the data + fFormat: TglBitmapFormat; //< format the texture data is stored in + fFilename: String; //< file the data was load from - // Settings - TglBitmapFileType = ( - {$ifdef GLB_SUPPORT_PNG_WRITE} ftPNG, {$endif} - {$ifdef GLB_SUPPORT_JPEG_WRITE}ftJPEG, {$endif} - ftDDS, - ftTGA, - ftBMP); - TglBitmapFileTypes = set of TglBitmapFileType; - - TglBitmapFormat = (tfDefault, tf4BitsPerChanel, tf8BitsPerChanel, tfCompressed); - TglBitmapMipMap = (mmNone, mmMipmap, mmMipmapGlu); - TglBitmapNormalMapFunc = (nm4Samples, nmSobel, nm3x3, nm5x5); - TglBitmapInternalFormat = ( - ifEmpty, - // 4 Bit - ifDXT1, - // 8 Bit - ifDXT3, - ifDXT5, - ifAlpha, - ifLuminance, - ifDepth8, - // 16 Bit - ifLuminanceAlpha, - ifRGBA4, - ifR5G6B5, - ifRGB5A1, - // 24 Bit - ifBGR8, - ifRGB8, - // 32 Bit - ifBGRA8, - ifRGBA8, - ifRGB10A2 - ); + fScanlines: array of PByte; //< pointer to begin of each line + fHasScanlines: Boolean; //< @true if scanlines are initialized, @false otherwise - // Pixelmapping - TglBitmapMapFunc = procedure (const Pixel: TglBitmapPixelData; var pDest: pByte); - TglBitmapUnMapFunc = procedure (var pData: pByte; var Pixel: TglBitmapPixelData); + private { getter / setter } - // Base Class - TglBitmap = class - protected - fID: Cardinal; - fTarget: Cardinal; - fFormat: TglBitmapFormat; - fMipMap: TglBitmapMipMap; - fAnisotropic: Integer; - fBorderColor: array [0..3] of single; + { @returns the format descriptor suitable to the texture data format } + function GetFormatDescriptor: TglBitmapFormatDescriptor; - fDeleteTextureOnFree: Boolean; - fFreeDataAfterGenTexture: Boolean; + { @returns the width of the texture data (in pixel) or -1 if no data is set } + function GetWidth: Integer; - // Propertys - fData: pByte; - fInternalFormat: TglBitmapInternalFormat; - fDimension: TglBitmapPixelPosition; + { @returns the height of the texture data (in pixel) or -1 if no data is set } + function GetHeight: Integer; - fIsResident: Boolean; + { get scanline at index aIndex + @returns Pointer to start of line or @nil } + function GetScanlines(const aIndex: Integer): PByte; - // Mapping - fPixelSize: Integer; - fRowSize: Integer; - fUnmapFunc: TglBitmapUnMapFunc; - fMapFunc: TglBitmapMapFunc; - - // Filtering - fFilterMin: Integer; - fFilterMag: Integer; - - // Texturwarp - fWrapS: Integer; - fWrapT: Integer; - fWrapR: Integer; - - fGetPixelFunc: TglBitmapGetPixel; - fSetPixelFunc: TglBitmapSetPixel; - - // custom data - fFilename: String; - fCustomName: String; - fCustomNameW: WideString; - fCustomDataPointer: Pointer; - - - procedure SetDataPointer(NewData: pByte; Format: TglBitmapInternalFormat; Width: Integer = -1; Height: Integer = -1); virtual; - - {$ifdef GLB_SUPPORT_PNG_READ} - function LoadPNG(Stream: TStream): Boolean; virtual; - {$endif} - {$ifdef GLB_SUPPORT_JPEG_READ} - function LoadJPEG(Stream: TStream): Boolean; virtual; - {$endif} - function LoadDDS(Stream: TStream): Boolean; virtual; - function LoadTGA(Stream: TStream): Boolean; virtual; - function LoadBMP(Stream: TStream): Boolean; virtual; - - - {$ifdef GLB_SUPPORT_PNG_WRITE} - procedure SavePNG(Stream: TStream); virtual; - {$endif} - {$ifdef GLB_SUPPORT_JPEG_WRITE} - procedure SaveJPEG(Stream: TStream); virtual; - {$endif} - procedure SaveDDS(Stream: TStream); virtual; - procedure SaveTGA(Stream: TStream); virtual; - procedure SaveBMP(Stream: TStream); virtual; + { set new value for the data format. only possible if new format has the same pixel size. + if you want to convert the texture data, see ConvertTo function } + procedure SetFormat(const aValue: TglBitmapFormat); + private { internal misc } - procedure CreateID; - procedure SetupParameters(var BuildWithGlu: Boolean); - procedure SelectFormat(DataFormat: TglBitmapInternalFormat; var glFormat, glInternalFormat, glType: Cardinal; CanConvertImage: Boolean = True); + { splits a resource identifier into the resource and it's type + @param aResource resource identifier to split and store name in + @param aResType type of the resource } + procedure PrepareResType(var aResource: String; var aResType: PChar); - procedure GenTexture(TestTextureSize: Boolean = True); virtual; abstract; + { updates scanlines array } + procedure UpdateScanlines; - procedure SetAnisotropic(const Value: Integer); - procedure SetInternalFormat(const Value: TglBitmapInternalFormat); + private { internal load and save } +{$IFDEF GLB_SUPPORT_PNG_READ} + { try to load a PNG from a stream + @param aStream stream to load PNG from + @returns @true on success, @false otherwise } + function LoadPNG(const aStream: TStream): Boolean; virtual; +{$ENDIF} +{$ifdef GLB_SUPPORT_PNG_WRITE} + { save texture data as PNG to stream + @param aStream stream to save data to} + procedure SavePNG(const aStream: TStream); virtual; +{$ENDIF} + +{$IFDEF GLB_SUPPORT_JPEG_READ} + { try to load a JPEG from a stream + @param aStream stream to load JPEG from + @returns @true on success, @false otherwise } + function LoadJPEG(const aStream: TStream): Boolean; virtual; +{$ENDIF} + +{$IFDEF GLB_SUPPORT_JPEG_WRITE} + { save texture data as JPEG to stream + @param aStream stream to save data to} + procedure SaveJPEG(const aStream: TStream); virtual; +{$ENDIF} + + { try to load a RAW image from a stream + @param aStream stream to load RAW image from + @returns @true on success, @false otherwise } + function LoadRAW(const aStream: TStream): Boolean; + + { save texture data as RAW image to stream + @param aStream stream to save data to} + procedure SaveRAW(const aStream: TStream); + + { try to load a BMP from a stream + @param aStream stream to load BMP from + @returns @true on success, @false otherwise } + function LoadBMP(const aStream: TStream): Boolean; + + { save texture data as BMP to stream + @param aStream stream to save data to} + procedure SaveBMP(const aStream: TStream); + + { try to load a TGA from a stream + @param aStream stream to load TGA from + @returns @true on success, @false otherwise } + function LoadTGA(const aStream: TStream): Boolean; + + { save texture data as TGA to stream + @param aStream stream to save data to} + procedure SaveTGA(const aStream: TStream); + + { try to load a DDS from a stream + @param aStream stream to load DDS from + @returns @true on success, @false otherwise } + function LoadDDS(const aStream: TStream): Boolean; + + { save texture data as DDS to stream + @param aStream stream to save data to} + procedure SaveDDS(const aStream: TStream); + + public { properties } + property Data: PByte read fData; //< texture data (be carefull with this!) + property Dimension: TglBitmapSize read fDimension; //< size of the texture data (in pixel) + property Filename: String read fFilename; //< file the data was loaded from + property Width: Integer read GetWidth; //< width of the texture data (in pixel) + property Height: Integer read GetHeight; //< height of the texture data (in pixel) + property Format: TglBitmapFormat read fFormat write SetFormat; //< format the texture data is stored in + property Scanlines[const aIndex: Integer]: PByte read GetScanlines; //< pointer to begin of line at given index or @nil + + property FormatDescriptor: TglBitmapFormatDescriptor read GetFormatDescriptor; //< descriptor object that describes the format of the stored data + + public { flip } + + { flip texture horizontal + @returns @true in success, @false otherwise } function FlipHorz: Boolean; virtual; + + { flip texture vertical + @returns @true in success, @false otherwise } function FlipVert: Boolean; virtual; - function GetHeight: Integer; - function GetWidth: Integer; + public { load } + + { load a texture from a file + @param aFilename file to load texuture from } + procedure LoadFromFile(const aFilename: String); + + { load a texture from a stream + @param aStream stream to load texture from } + procedure LoadFromStream(const aStream: TStream); virtual; + + { use a function to generate texture data + @param aSize size of the texture + @param aFormat format of the texture data + @param aFunc callback to use for generation + @param aArgs user defined paramaters (use at will) } + procedure LoadFromFunc(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer = nil); + + { load a texture from a resource + @param aInstance resource handle + @param aResource resource indentifier + @param aResType resource type (if known) } + procedure LoadFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar = nil); + + { load a texture from a resource id + @param aInstance resource handle + @param aResource resource ID + @param aResType resource type } + procedure LoadFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); + + public { save } + + { save texture data to a file + @param aFilename filename to store texture in + @param aFileType file type to store data into } + procedure SaveToFile(const aFilename: String; const aFileType: TglBitmapFileType); + + { save texture data to a stream + @param aFilename filename to store texture in + @param aFileType file type to store data into } + procedure SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); virtual; + + public { convert } + + { convert texture data using a user defined callback + @param aFunc callback to use for converting + @param aCreateTemp create a temporary buffer to use for converting + @param aArgs user defined paramters (use at will) + @returns @true if converting was successful, @false otherwise } + function Convert(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: Pointer = nil): Boolean; overload; + + { convert texture data using a user defined callback + @param aSource glBitmap to read data from + @param aFunc callback to use for converting + @param aCreateTemp create a temporary buffer to use for converting + @param aFormat format of the new data + @param aArgs user defined paramters (use at will) + @returns @true if converting was successful, @false otherwise } + function Convert(const aSource: TglBitmapData; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; + const aFormat: TglBitmapFormat; const aArgs: Pointer = nil): Boolean; overload; + + { convert texture data using a specific format + @param aFormat new format of texture data + @returns @true if converting was successful, @false otherwise } + function ConvertTo(const aFormat: TglBitmapFormat): Boolean; virtual; + +{$IFDEF GLB_SDL} + public { SDL } + + { assign texture data to SDL surface + @param aSurface SDL surface to write data to + @returns @true on success, @false otherwise } + function AssignToSurface(out aSurface: PSDL_Surface): Boolean; + + { assign texture data from SDL surface + @param aSurface SDL surface to read data from + @returns @true on success, @false otherwise } + function AssignFromSurface(const aSurface: PSDL_Surface): Boolean; + + { assign alpha channel data to SDL surface + @param aSurface SDL surface to write alpha channel data to + @returns @true on success, @false otherwise } + function AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; + + { assign alpha channel data from SDL surface + @param aSurface SDL surface to read data from + @param aFunc callback to use for converting + @param aArgs user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; +{$ENDIF} + +{$IFDEF GLB_DELPHI} + public { Delphi } + + { assign texture data to TBitmap object + @param aBitmap TBitmap to write data to + @returns @true on success, @false otherwise } + function AssignToBitmap(const aBitmap: TBitmap): Boolean; + + { assign texture data from TBitmap object + @param aBitmap TBitmap to read data from + @returns @true on success, @false otherwise } + function AssignFromBitmap(const aBitmap: TBitmap): Boolean; + + { assign alpha channel data to TBitmap object + @param aBitmap TBitmap to write data to + @returns @true on success, @false otherwise } + function AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; + + { assign alpha channel data from TBitmap object + @param aBitmap TBitmap to read data from + @param aFunc callback to use for converting + @param aArgs user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; +{$ENDIF} + +{$IFDEF GLB_LAZARUS} + public { Lazarus } + + { assign texture data to TLazIntfImage object + @param aImage TLazIntfImage to write data to + @returns @true on success, @false otherwise } + function AssignToLazIntfImage(const aImage: TLazIntfImage): Boolean; + + { assign texture data from TLazIntfImage object + @param aImage TLazIntfImage to read data from + @returns @true on success, @false otherwise } + function AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean; + + { assign alpha channel data to TLazIntfImage object + @param aImage TLazIntfImage to write data to + @returns @true on success, @false otherwise } + function AssignAlphaToLazIntfImage(const aImage: TLazIntfImage): Boolean; + + { assign alpha channel data from TLazIntfImage object + @param aImage TLazIntfImage to read data from + @param aFunc callback to use for converting + @param aArgs user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; +{$ENDIF} + + public { Alpha } + { load alpha channel data from resource + @param aInstance resource handle + @param aResource resource ID + @param aResType resource type + @param aFunc callback to use for converting + @param aArgs user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar = nil; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + + { load alpha channel data from resource ID + @param aInstance resource handle + @param aResourceID resource ID + @param aResType resource type + @param aFunc callback to use for converting + @param aArgs user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + + { add alpha channel data from function + @param aFunc callback to get data from + @param aArgs user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer = nil): Boolean; virtual; + + { add alpha channel data from file (macro for: new glBitmap, LoadFromFile, AddAlphaFromGlBitmap) + @param aFilename file to load alpha channel data from + @param aFunc callback to use for converting + @param aArgs SetFormat user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + + { add alpha channel data from stream (macro for: new glBitmap, LoadFromStream, AddAlphaFromGlBitmap) + @param aStream stream to load alpha channel data from + @param aFunc callback to use for converting + @param aArgs user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + + { add alpha channel data from existing glBitmap object + @param aBitmap TglBitmap to copy alpha channel data from + @param aFunc callback to use for converting + @param aArgs user defined parameters (use at will) + @returns @true on success, @false otherwise } + function AddAlphaFromDataObj(const aDataObj: TglBitmapData; aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; + + { add alpha to pixel if the pixels color is greter than the given color value + @param aRed red threshold (0-255) + @param aGreen green threshold (0-255) + @param aBlue blue threshold (0-255) + @param aDeviatation accepted deviatation (0-255) + @returns @true on success, @false otherwise } + function AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte = 0): Boolean; + + { add alpha to pixel if the pixels color is greter than the given color value + @param aRed red threshold (0-Range.r) + @param aGreen green threshold (0-Range.g) + @param aBlue blue threshold (0-Range.b) + @param aDeviatation accepted deviatation (0-max(Range.rgb)) + @returns @true on success, @false otherwise } + function AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal = 0): Boolean; + + { add alpha to pixel if the pixels color is greter than the given color value + @param aRed red threshold (0.0-1.0) + @param aGreen green threshold (0.0-1.0) + @param aBlue blue threshold (0.0-1.0) + @param aDeviatation accepted deviatation (0.0-1.0) + @returns @true on success, @false otherwise } + function AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single = 0): Boolean; + + { add a constand alpha value to all pixels + @param aAlpha alpha value to add (0-255) + @returns @true on success, @false otherwise } + function AddAlphaFromValue(const aAlpha: Byte): Boolean; + + { add a constand alpha value to all pixels + @param aAlpha alpha value to add (0-max(Range.rgb)) + @returns @true on success, @false otherwise } + function AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; + + { add a constand alpha value to all pixels + @param aAlpha alpha value to add (0.0-1.0) + @returns @true on success, @false otherwise } + function AddAlphaFromValueFloat(const aAlpha: Single): Boolean; + + { remove alpha channel + @returns @true on success, @false otherwise } + function RemoveAlpha: Boolean; virtual; - function GetFileHeight: Integer; - function GetFileWidth: Integer; + public { fill } + { fill complete texture with one color + @param aRed red color for border (0-255) + @param aGreen green color for border (0-255) + @param aBlue blue color for border (0-255) + @param aAlpha alpha color for border (0-255) } + procedure FillWithColor(const aRed, aGreen, aBlue: Byte; const aAlpha: Byte = 255); + + { fill complete texture with one color + @param aRed red color for border (0-Range.r) + @param aGreen green color for border (0-Range.g) + @param aBlue blue color for border (0-Range.b) + @param aAlpha alpha color for border (0-Range.a) } + procedure FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal = $FFFFFFFF); + + { fill complete texture with one color + @param aRed red color for border (0.0-1.0) + @param aGreen green color for border (0.0-1.0) + @param aBlue blue color for border (0.0-1.0) + @param aAlpha alpha color for border (0.0-1.0) } + procedure FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha: Single = 1.0); + + public { Misc } + + { set data pointer of texture data + @param aData pointer to new texture data + @param aFormat format of the data stored at aData + @param aWidth width of the texture data + @param aHeight height of the texture data } + procedure SetData(const aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer = -1; const aHeight: Integer = -1); virtual; + + { create a clone of the current object + @returns clone of this object} + function Clone: TglBitmapData; + + { invert color data (bitwise not) + @param aRed invert red channel + @param aGreen invert green channel + @param aBlue invert blue channel + @param aAlpha invert alpha channel } + procedure Invert(const aRed, aGreen, aBlue, aAlpha: Boolean); + + { create normal map from texture data + @param aFunc normal map function to generate normalmap with + @param aScale scale of the normale stored in the normal map + @param aUseAlpha generate normalmap from alpha channel data (if present) } + procedure GenerateNormalMap(const aFunc: TglBitmapNormalMapFunc = nm3x3; + const aScale: Single = 2; const aUseAlpha: Boolean = false); + + public { constructor } + + { constructor - creates a texutre data object } + constructor Create; overload; + + { constructor - creates a texture data object and loads it from a file + @param aFilename file to load texture from } + constructor Create(const aFileName: String); overload; + + { constructor - creates a texture data object and loads it from a stream + @param aStream stream to load texture from } + constructor Create(const aStream: TStream); overload; + + { constructor - creates a texture data object with the given size, format and data + @param aSize size of the texture + @param aFormat format of the given data + @param aData texture data - be carefull: the data will now be managed by the texture data object } + constructor Create(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; aData: PByte = nil); overload; + + { constructor - creates a texture data object with the given size and format and uses the given callback to create the data + @param aSize size of the texture + @param aFormat format of the given data + @param aFunc callback to use for generating the data + @param aArgs user defined parameters (use at will) } + constructor Create(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer = nil); overload; + + { constructor - creates a texture data object and loads it from a resource + @param aInstance resource handle + @param aResource resource indentifier + @param aResType resource type (if known) } + constructor Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil); overload; + + { constructor - creates a texture data object and loads it from a resource + @param aInstance resource handle + @param aResourceID resource ID + @param aResType resource type (if known) } + constructor Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); overload; + + { destructor } + destructor Destroy; override; + + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + { base class for all glBitmap classes. used to manage OpenGL texture objects + all operations on a bitmap object must be done from the render thread } + TglBitmap = class + protected + fID: GLuint; //< name of the OpenGL texture object + fTarget: GLuint; //< texture target (e.g. GL_TEXTURE_2D) + fDeleteTextureOnFree: Boolean; //< delete OpenGL texture object when this object is destroyed + + // texture properties + fFilterMin: GLenum; //< min filter to apply to the texture + fFilterMag: GLenum; //< mag filter to apply to the texture + fWrapS: GLenum; //< texture wrapping for x axis + fWrapT: GLenum; //< texture wrapping for y axis + fWrapR: GLenum; //< texture wrapping for z axis + fAnisotropic: Integer; //< anisotropic level + fBorderColor: array[0..3] of Single; //< color of the texture border + +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} + //Swizzle + fSwizzle: array[0..3] of GLenum; //< color channel swizzle +{$IFEND} +{$IFNDEF OPENGL_ES} + fIsResident: GLboolean; //< @true if OpenGL texture object has data, @false otherwise +{$ENDIF} + + fDimension: TglBitmapSize; //< size of this texture + fMipMap: TglBitmapMipMap; //< mipmap type + + // CustomData + fCustomData: Pointer; //< user defined data + fCustomName: String; //< user defined name + fCustomNameW: WideString; //< user defined name + protected + { @returns the actual width of the texture } + function GetWidth: Integer; virtual; - property Width: Integer read GetWidth; - property Height: Integer read GetHeight; + { @returns the actual height of the texture } + function GetHeight: Integer; virtual; - property FileWidth: Integer read GetFileWidth; - property FileHeight: Integer read GetFileHeight; - public - // propertys - property ID: Cardinal read fID write fID; - property Target: Cardinal read fTarget write fTarget; - property Format: TglBitmapFormat read fFormat write fFormat; - property InternalFormat: TglBitmapInternalFormat read fInternalFormat write SetInternalFormat; - property Dimension: TglBitmapPixelPosition read fDimension; + protected + { set a new value for fCustomData } + procedure SetCustomData(const aValue: Pointer); - property Data: pByte read fData; + { set a new value for fCustomName } + procedure SetCustomName(const aValue: String); - property MipMap: TglBitmapMipMap read fMipMap write fMipMap; - property Anisotropic: Integer read fAnisotropic write SetAnisotropic; + { set a new value for fCustomNameW } + procedure SetCustomNameW(const aValue: WideString); - property DeleteTextureOnFree: Boolean read fDeleteTextureOnFree write fDeleteTextureOnFree; - property FreeDataAfterGenTexture: Boolean read fFreeDataAfterGenTexture write fFreeDataAfterGenTexture; + { set new value for fDeleteTextureOnFree } + procedure SetDeleteTextureOnFree(const aValue: Boolean); - property IsResident: boolean read fIsResident; + { set name of OpenGL texture object } + procedure SetID(const aValue: Cardinal); - // propertys for custom data - property Filename: String read fFilename; - property CustomName: String read fCustomName write fCustomName; - property CustomNameW: WideString read fCustomNameW write fCustomNameW; - property CustomDataPointer: Pointer read fCustomDataPointer write fCustomDataPointer; + { set new value for fMipMap } + procedure SetMipMap(const aValue: TglBitmapMipMap); - // Construction and Destructions Methods - procedure AfterConstruction; override; - procedure BeforeDestruction; override; + { set new value for target } + procedure SetTarget(const aValue: Cardinal); - constructor Create(); overload; - constructor Create(FileName: String); overload; - constructor Create(Stream: TStream); overload; - {$ifdef GLB_DELPHI} - constructor CreateFromResourceName(Instance: Cardinal; Resource: String; ResType: PChar = nil); - constructor Create(Instance: Cardinal; Resource: String; ResType: PChar = nil); overload; - constructor Create(Instance: Cardinal; ResourceID: Integer; ResType: PChar); overload; - {$endif} - constructor Create(Size: TglBitmapPixelPosition; Format: TglBitmapInternalFormat); overload; - constructor Create(Size: TglBitmapPixelPosition; Format: TglBitmapInternalFormat; Func: TglBitmapFunction; CustomData: Pointer = nil); overload; - - function Clone: TglBitmap; - - procedure FreeData; - - // Loading Methods - procedure LoadFromFile(FileName: String); - procedure LoadFromStream(Stream: TStream); virtual; - {$ifdef GLB_DELPHI} - procedure LoadFromResource(Instance: Cardinal; Resource: String; ResType: PChar = nil); - procedure LoadFromResourceID(Instance: Cardinal; ResourceID: Integer; ResType: PChar); - {$endif} - procedure LoadFromFunc(Size: TglBitmapPixelPosition; Func: TglBitmapFunction; Format: TglBitmapInternalFormat; CustomData: Pointer = nil); - - procedure SaveToFile(FileName: String; FileType: TglBitmapFileType); - procedure SaveToStream(Stream: TStream; FileType: TglBitmapFileType); virtual; - - function AddFunc(Source: TglBitmap; Func: TglBitmapFunction; CreateTemp: Boolean; Format: TglBitmapInternalFormat; CustomData: Pointer = nil): boolean; overload; - function AddFunc(Func: TglBitmapFunction; CreateTemp: Boolean; CustomData: Pointer = nil): boolean; overload; - - {$ifdef GLB_SDL} - function AssignToSurface(out Surface: PSDL_Surface): boolean; - function AssignFromSurface(const Surface: PSDL_Surface): boolean; - function AssignAlphaToSurface(out Surface: PSDL_Surface): boolean; - - function AddAlphaFromSurface(Surface: PSDL_Surface; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - {$endif} - {$ifdef GLB_DELPHI} - function AssignToBitmap(const Bitmap: TBitmap): boolean; - function AssignFromBitmap(const Bitmap: TBitmap): boolean; - function AssignAlphaToBitmap(const Bitmap: TBitmap): boolean; - - function AddAlphaFromBitmap(Bitmap: TBitmap; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - {$endif} - - function AddAlphaFromFunc(Func: TglBitmapFunction; CustomData: Pointer = nil): boolean; virtual; - function AddAlphaFromFile(FileName: String; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - function AddAlphaFromStream(Stream: TStream; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - {$ifdef GLB_DELPHI} - function AddAlphaFromResource(Instance: Cardinal; Resource: String; ResType: PChar = nil; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - function AddAlphaFromResourceID(Instance: Cardinal; ResourceID: Integer; ResType: PChar; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - {$endif} - function AddAlphaFromglBitmap(glBitmap: TglBitmap; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - - function AddAlphaFromColorKey(Red, Green, Blue: Byte; Deviation: Byte = 0): Boolean; - function AddAlphaFromColorKeyRange(Red, Green, Blue: Cardinal; Deviation: Cardinal = 0): Boolean; - function AddAlphaFromColorKeyFloat(Red, Green, Blue: Single; Deviation: Single = 0): Boolean; - - function AddAlphaFromValue(Alpha: Byte): Boolean; - function AddAlphaFromValueRange(Alpha: Cardinal): Boolean; - function AddAlphaFromValueFloat(Alpha: Single): Boolean; + { set new value for fAnisotrophic } + procedure SetAnisotropic(const aValue: Integer); - function RemoveAlpha: Boolean; virtual; + protected + { create OpenGL texture object (delete exisiting object if exists) } + procedure CreateID; - function ConvertTo(NewFormat: TglBitmapInternalFormat): boolean; virtual; + { setup texture parameters } + procedure SetupParameters({$IFNDEF OPENGL_ES}out aBuildWithGlu: Boolean{$ENDIF}); - // Other - procedure FillWithColor(Red, Green, Blue: Byte; Alpha : Byte = 255); - procedure FillWithColorRange(Red, Green, Blue: Cardinal; Alpha : Cardinal = $FFFFFFFF); - procedure FillWithColorFloat(Red, Green, Blue: Single; Alpha : Single = 1); + protected + property Width: Integer read GetWidth; //< the actual width of the texture + property Height: Integer read GetHeight; //< the actual height of the texture - procedure Invert(UseRGB: Boolean = true; UseAlpha: Boolean = false); + public + property ID: Cardinal read fID write SetID; //< name of the OpenGL texture object + property Target: Cardinal read fTarget write SetTarget; //< texture target (e.g. GL_TEXTURE_2D) + property DeleteTextureOnFree: Boolean read fDeleteTextureOnFree write SetDeleteTextureOnFree; //< delete texture object when this object is destroyed - procedure SetFilter(Min, Mag : Integer); - procedure SetWrap(S: Integer = GL_CLAMP_TO_EDGE; - T: Integer = GL_CLAMP_TO_EDGE; R: Integer = GL_CLAMP_TO_EDGE); + property MipMap: TglBitmapMipMap read fMipMap write SetMipMap; //< mipmap type + property Anisotropic: Integer read fAnisotropic write SetAnisotropic; //< anisotropic level - procedure SetBorderColor(Red, Green, Blue, Alpha: Single); + property CustomData: Pointer read fCustomData write SetCustomData; //< user defined data (use at will) + property CustomName: String read fCustomName write SetCustomName; //< user defined name (use at will) + property CustomNameW: WideString read fCustomNameW write SetCustomNameW; //< user defined name (as WideString; use at will) - procedure GetPixel (const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); virtual; - procedure SetPixel (const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); virtual; + property Dimension: TglBitmapSize read fDimension; //< size of the texture +{$IFNDEF OPENGL_ES} + property IsResident: GLboolean read fIsResident; //< @true if OpenGL texture object has data, @false otherwise +{$ENDIF} - // Generation - procedure Unbind(DisableTextureUnit: Boolean = True); virtual; - procedure Bind(EnableTextureUnit: Boolean = True); virtual; - end; + { this method is called after the constructor and sets the default values of this object } + procedure AfterConstruction; override; + { this method is called before the destructor and does some cleanup } + procedure BeforeDestruction; override; - TglBitmap2D = class(TglBitmap) - protected - // Bildeinstellungen - fLines: array of PByte; + public +{$IFNDEF OPENGL_ES} + { set the new value for texture border color + @param aRed red color for border (0.0-1.0) + @param aGreen green color for border (0.0-1.0) + @param aBlue blue color for border (0.0-1.0) + @param aAlpha alpha color for border (0.0-1.0) } + procedure SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); +{$ENDIF} - procedure GetDXTColorBlock(pData: pByte; relX, relY: Integer; var Pixel: TglBitmapPixelData); - procedure GetPixel2DDXT1(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); - procedure GetPixel2DDXT3(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); - procedure GetPixel2DDXT5(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); - procedure GetPixel2DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); + public + { set new texture filer + @param aMin min filter + @param aMag mag filter } + procedure SetFilter(const aMin, aMag: GLenum); + + { set new texture wrapping + @param S texture wrapping for x axis + @param T texture wrapping for y axis + @param R texture wrapping for z axis } + procedure SetWrap( + const S: GLenum = GL_CLAMP_TO_EDGE; + const T: GLenum = GL_CLAMP_TO_EDGE; + const R: GLenum = GL_CLAMP_TO_EDGE); + +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} + { set new swizzle + @param r swizzle for red channel + @param g swizzle for green channel + @param b swizzle for blue channel + @param a swizzle for alpha channel } + procedure SetSwizzle(const r, g, b, a: GLenum); +{$IFEND} - procedure SetPixel2DUnmap(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); + public + { bind texture + @param aEnableTextureUnit enable texture unit for this texture (e.g. glEnable(GL_TEXTURE_2D)) } + procedure Bind(const aEnableTextureUnit: Boolean = true); virtual; + + { bind texture + @param aDisableTextureUnit disable texture unit for this texture (e.g. glEnable(GL_TEXTURE_2D)) } + procedure Unbind(const aDisableTextureUnit: Boolean = true); virtual; + + { upload texture data from given data object to video card + @param aData texture data object that contains the actual data + @param aCheckSize check size before upload and throw exception if something is wrong } + procedure UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean = true); virtual; + +{$IFNDEF OPENGL_ES} + { download texture data from video card and store it into given data object + @returns @true when download was successfull, @false otherwise } + function DownloadData(const aDataObj: TglBitmapData): Boolean; virtual; +{$ENDIF} + public + { constructor - creates an empty texture } + constructor Create; overload; - function GetScanline(Index: Integer): Pointer; + { constructor - creates an texture object and uploads the given data } + constructor Create(const aData: TglBitmapData); overload; - procedure SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width: Integer = -1; Height: Integer = -1); override; - procedure UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean); - public - // propertys - property Width; - property Height; + end; - property Scanline[Index: Integer]: Pointer read GetScanline; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$IF NOT DEFINED(OPENGL_ES)} + { wrapper class for 1-dimensional textures (OpenGL target = GL_TEXTURE_1D + all operations on a bitmap object must be done from the render thread } + TglBitmap1D = class(TglBitmap) + protected - procedure AfterConstruction; override; + { upload the texture data to video card + @param aDataObj texture data object that contains the actual data + @param aBuildWithGlu use glu functions to build mipmaps } + procedure UploadDataIntern(const aDataObj: TglBitmapData; const aBuildWithGlu: Boolean); - procedure GrabScreen(Top, Left, Right, Bottom: Integer; Format: TglBitmapInternalFormat); - procedure GetDataFromTexture; + public + property Width; //< actual with of the texture - // Other - function FlipHorz: Boolean; override; - function FlipVert: Boolean; override; + { this method is called after constructor and initializes the object } + procedure AfterConstruction; override; - procedure ToNormalMap(Func: TglBitmapNormalMapFunc = nm3x3; Scale: Single = 2; UseAlpha: Boolean = False); + { upload texture data from given data object to video card + @param aData texture data object that contains the actual data + @param aCheckSize check size before upload and throw exception if something is wrong } + procedure UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean = true); override; - // Generation - procedure GenTexture(TestTextureSize: Boolean = True); override; end; +{$IFEND} - - TglBitmapCubeMap = class(TglBitmap2D) +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + { wrapper class for 2-dimensional textures (OpenGL target = GL_TEXTURE_2D) + all operations on a bitmap object must be done from the render thread } + TglBitmap2D = class(TglBitmap) protected - fGenMode: Integer; - // Hide GenTexture - procedure GenTexture(TestTextureSize: Boolean = True); reintroduce; - public - procedure AfterConstruction; override; + { upload the texture data to video card + @param aDataObj texture data object that contains the actual data + @param aTarget target o upload data to (e.g. GL_TEXTURE_2D) + @param aBuildWithGlu use glu functions to build mipmaps } + procedure UploadDataIntern(const aDataObj: TglBitmapData; const aTarget: GLenum + {$IFNDEF OPENGL_ES}; const aBuildWithGlu: Boolean{$ENDIF}); - procedure GenerateCubeMap(CubeTarget: Cardinal; TestTextureSize: Boolean = true); + public + property Width; //< actual width of the texture + property Height; //< actual height of the texture - procedure Unbind(DisableTexCoordsGen: Boolean = true; DisableTextureUnit: Boolean = True); reintroduce; virtual; - procedure Bind(EnableTexCoordsGen: Boolean = true; EnableTextureUnit: Boolean = True); reintroduce; virtual; - end; + { this method is called after constructor and initializes the object } + procedure AfterConstruction; override; + { upload texture data from given data object to video card + @param aData texture data object that contains the actual data + @param aCheckSize check size before upload and throw exception if something is wrong } + procedure UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean = true); override; - TglBitmapNormalMap = class(TglBitmapCubeMap) public - procedure AfterConstruction; override; - procedure GenerateNormalMap(Size: Integer = 32; TestTextureSize: Boolean = true); - end; + { copy a part of the frame buffer to the texture + @param aTop topmost pixel to copy + @param aLeft leftmost pixel to copy + @param aRight rightmost pixel to copy + @param aBottom bottommost pixel to copy + @param aFormat format to store data in + @param aDataObj texture data object to store the data in } + class procedure GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat; const aDataObj: TglBitmapData); + end; - TglBitmap1D = class(TglBitmap) +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} + { wrapper class for cube maps (OpenGL target = GL_TEXTURE_CUBE_MAP) + all operations on a bitmap object must be done from the render thread } + TglBitmapCubeMap = class(TglBitmap2D) protected - procedure GetPixel1DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); + {$IFNDEF OPENGL_ES} + fGenMode: Integer; //< generation mode for the cube map (e.g. GL_REFLECTION_MAP) + {$ENDIF} - procedure SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width: Integer = -1; Height: Integer = -1); override; - procedure UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean); public - // propertys - property Width; - + { this method is called after constructor and initializes the object } procedure AfterConstruction; override; - // Other - function FlipHorz: Boolean; override; + { upload texture data from given data object to video card + @param aData texture data object that contains the actual data + @param aCheckSize check size before upload and throw exception if something is wrong } + procedure UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean = true); override; + + { upload texture data from given data object to video card + @param aData texture data object that contains the actual data + @param aCubeTarget cube map target to upload data to (e.g. GL_TEXTURE_CUBE_MAP_POSITIVE_X) + @param aCheckSize check size before upload and throw exception if something is wrong } + procedure UploadCubeMap(const aDataObj: TglBitmapData; const aCubeTarget: Cardinal; const aCheckSize: Boolean); + + { bind texture + @param aEnableTexCoordsGen enable cube map generator + @param aEnableTextureUnit enable texture unit } + procedure Bind({$IFNDEF OPENGL_ES}const aEnableTexCoordsGen: Boolean = true;{$ENDIF} const aEnableTextureUnit: Boolean = true); reintroduce; virtual; + + { unbind texture + @param aDisableTexCoordsGen disable cube map generator + @param aDisableTextureUnit disable texture unit } + procedure Unbind({$IFNDEF OPENGL_ES}const aDisableTexCoordsGen: Boolean = true;{$ENDIF} const aDisableTextureUnit: Boolean = true); reintroduce; virtual; + end; +{$IFEND} + +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + { wrapper class for cube normal maps + all operations on a bitmap object must be done from the render thread } + TglBitmapNormalMap = class(TglBitmapCubeMap) + public + { this method is called after constructor and initializes the object } + procedure AfterConstruction; override; - // Generation - procedure GenTexture(TestTextureSize: Boolean = True); override; + { create cube normal map from texture data and upload it to video card + @param aSize size of each cube map texture + @param aCheckSize check size before upload and throw exception if something is wrong } + procedure GenerateNormalMap(const aSize: Integer = 32; const aCheckSize: Boolean = true); end; +{$IFEND} - -// methods and vars for Defaults -procedure glBitmapSetDefaultFormat(Format: TglBitmapFormat); -procedure glBitmapSetDefaultFilter(Min, Mag: Integer); -procedure glBitmapSetDefaultWrap(S: Integer = GL_CLAMP_TO_EDGE; T: Integer = GL_CLAMP_TO_EDGE; R: Integer = GL_CLAMP_TO_EDGE); - -procedure glBitmapSetDefaultDeleteTextureOnFree(DeleteTextureOnFree: Boolean); -procedure glBitmapSetDefaultFreeDataAfterGenTexture(FreeData: Boolean); - -function glBitmapGetDefaultFormat: TglBitmapFormat; -procedure glBitmapGetDefaultFilter(var Min, Mag: Integer); -procedure glBitmapGetDefaultTextureWrap(var S, T, R: Integer); +const + NULL_SIZE: TglBitmapSize = (Fields: []; X: 0; Y: 0); + +procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean); +procedure glBitmapSetDefaultFreeDataAfterGenTexture(const aFreeData: Boolean); +procedure glBitmapSetDefaultMipmap(const aValue: TglBitmapMipMap); +procedure glBitmapSetDefaultFormat(const aFormat: TglBitmapFormat); +procedure glBitmapSetDefaultFilter(const aMin, aMag: Integer); +procedure glBitmapSetDefaultWrap( + const S: Cardinal = GL_CLAMP_TO_EDGE; + const T: Cardinal = GL_CLAMP_TO_EDGE; + const R: Cardinal = GL_CLAMP_TO_EDGE); + +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} +procedure glBitmapSetDefaultSwizzle(const r: GLenum = GL_RED; g: GLenum = GL_GREEN; b: GLenum = GL_BLUE; a: GLenum = GL_ALPHA); +{$IFEND} function glBitmapGetDefaultDeleteTextureOnFree: Boolean; function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; +function glBitmapGetDefaultMipmap: TglBitmapMipMap; +function glBitmapGetDefaultFormat: TglBitmapFormat; +procedure glBitmapGetDefaultFilter(var aMin, aMag: Cardinal); +procedure glBitmapGetDefaultTextureWrap(var S, T, R: Cardinal); +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} +procedure glBitmapGetDefaultSwizzle(var r, g, b, a: GLenum); +{$IFEND} -// position / size +function glBitmapSize(X: Integer = -1; Y: Integer = -1): TglBitmapSize; function glBitmapPosition(X: Integer = -1; Y: Integer = -1): TglBitmapPixelPosition; +function glBitmapRec4ub(const r, g, b, a: Byte): TglBitmapRec4ub; +function glBitmapRec4ui(const r, g, b, a: Cardinal): TglBitmapRec4ui; +function glBitmapRec4ul(const r, g, b, a: QWord): TglBitmapRec4ul; +function glBitmapRec4ubCompare(const r1, r2: TglBitmapRec4ub): Boolean; +function glBitmapRec4uiCompare(const r1, r2: TglBitmapRec4ui): Boolean; -// Formatfunctions -function FormatGetSize (Format: TglBitmapInternalFormat): Single; - -function FormatIsCompressed(Format: TglBitmapInternalFormat): boolean; -function FormatIsUncompressed(Format: TglBitmapInternalFormat): boolean; -function FormatIsEmpty(Format: TglBitmapInternalFormat): boolean; -function FormatHasAlpha(Format: TglBitmapInternalFormat): Boolean; - -procedure FormatPreparePixel(var Pixel: TglBitmapPixelData; Format: TglBitmapInternalFormat); - -function FormatGetWithoutAlpha(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; -function FormatGetWithAlpha(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; +function glBitmapCreateTestData(const aFormat: TglBitmapFormat): TglBitmapData; -function FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; Format: TglBitmapInternalFormat): boolean; - - -// Call LoadingMethods -function LoadTexture(Filename: String; var Texture: Cardinal{$ifdef GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$endif}): Boolean; +{$IFDEF GLB_DELPHI} +function CreateGrayPalette: HPALETTE; +{$ENDIF} -function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$ifdef GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$endif}): Boolean; +implementation -function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean; +uses + Math, syncobjs, typinfo + {$IF DEFINED(GLB_SUPPORT_JPEG_READ) AND DEFINED(GLB_LAZ_JPEG)}, FPReadJPEG{$IFEND}; var - glBitmapDefaultFormat: TglBitmapFormat; - glBitmapDefaultFilterMin: Integer; - glBitmapDefaultFilterMag: Integer; - glBitmapDefaultWrapS: Integer; - glBitmapDefaultWrapT: Integer; - glBitmapDefaultWrapR: Integer; - glBitmapDefaultDeleteTextureOnFree: Boolean; glBitmapDefaultFreeDataAfterGenTextures: Boolean; + glBitmapDefaultFormat: TglBitmapFormat; + glBitmapDefaultMipmap: TglBitmapMipMap; + glBitmapDefaultFilterMin: Cardinal; + glBitmapDefaultFilterMag: Cardinal; + glBitmapDefaultWrapS: Cardinal; + glBitmapDefaultWrapT: Cardinal; + glBitmapDefaultWrapR: Cardinal; + glDefaultSwizzle: array[0..3] of GLenum; + +//////////////////////////////////////////////////////////////////////////////////////////////////// +type + TFormatDescriptor = class(TglBitmapFormatDescriptor) + public + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); virtual; abstract; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); virtual; abstract; -{$ifdef GLB_DELPHI} -function CreateGrayPalette: HPALETTE; -{$endif} + function CreateMappingData: Pointer; virtual; + procedure FreeMappingData(var aMappingData: Pointer); virtual; + function IsEmpty: Boolean; virtual; + function MaskMatch(const aMask: TglBitmapRec4ul): Boolean; virtual; -implementation + procedure PreparePixel(out aPixel: TglBitmapPixelData); virtual; -uses - Math; + constructor Create; virtual; + public + class procedure Init; + class function Get(const aFormat: TglBitmapFormat): TFormatDescriptor; + class function GetAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor; + class function GetFromMask(const aMask: TglBitmapRec4ul; const aBitCount: Integer = 0): TFormatDescriptor; + class function GetFromPrecShift(const aPrec, aShift: TglBitmapRec4ub; const aBitCount: Integer): TFormatDescriptor; + class procedure Clear; + class procedure Finalize; + end; + TFormatDescriptorClass = class of TFormatDescriptor; + TfdEmpty = class(TFormatDescriptor); -{$ifndef GLB_NO_NATIVE_GL} -procedure ReadOpenGLExtensions; -var - {$ifdef GLB_DELPHI} - Context: HGLRC; - {$endif} - Buffer: AnsiString; - MajorVersion, MinorVersion: Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlphaUB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; + TfdLuminanceUB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - procedure TrimVersionString(Buffer: AnsiString; var Major, Minor: Integer); - var - Separator: Integer; - begin - Minor := 0; - Major := 0; + TfdUniversalUB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - Separator := Pos(AnsiString('.'), Buffer); + TfdLuminanceAlphaUB2 = class(TfdLuminanceUB1) //2* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - if (Separator > 1) and (Separator < Length(Buffer)) and - (Buffer[Separator - 1] in ['0'..'9']) and - (Buffer[Separator + 1] in ['0'..'9']) then begin + TfdRGBub3 = class(TFormatDescriptor) //3* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - Dec(Separator); - while (Separator > 0) and (Buffer[Separator] in ['0'..'9']) do - Dec(Separator); + TfdBGRub3 = class(TFormatDescriptor) //3* unsigned byte (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - Delete(Buffer, 1, Separator); - Separator := Pos(AnsiString('.'), Buffer) + 1; + TfdRGBAub4 = class(TfdRGBub3) //3* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - while (Separator <= Length(Buffer)) and (AnsiChar(Buffer[Separator]) in ['0'..'9']) do - Inc(Separator); + TfdBGRAub4 = class(TfdBGRub3) //3* unsigned byte (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - Delete(Buffer, Separator, 255); - Separator := Pos(AnsiString('.'), Buffer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlphaUS1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - Major := StrToInt(Copy(String(Buffer), 1, Separator - 1)); - Minor := StrToInt(Copy(String(Buffer), Separator + 1, 1)); - end; + TfdLuminanceUS1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; end; + TfdUniversalUS1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - function CheckExtension(const Extension: AnsiString): Boolean; - var - ExtPos: Integer; - begin - ExtPos := Pos(Extension, Buffer); - Result := ExtPos > 0; + TfdDepthUS1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - if Result then - Result := ((ExtPos + Length(Extension) - 1) = Length(Buffer)) or not (Buffer[ExtPos + Length(Extension)] in ['_', 'A'..'Z', 'a'..'z']); + TfdLuminanceAlphaUS2 = class(TfdLuminanceUS1) //2* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; end; + TfdRGBus3 = class(TFormatDescriptor) //3* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - function glLoad (aFunc: pAnsiChar): pointer; - begin - {$ifdef LINUX} - Result := glXGetProcAddress(aFunc); - {$else} - Result := wglGetProcAddress(aFunc); - {$endif} + TfdBGRus3 = class(TFormatDescriptor) //3* unsigned short (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; end; + TfdRGBAus4 = class(TfdRGBus3) //4* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; -begin - {$ifdef GLB_DELPHI} - Context := wglGetCurrentContext; + TfdARGBus4 = class(TfdRGBus3) //4* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - if Context <> gLastContext then begin - gLastContext := Context; - {$endif} + TfdBGRAus4 = class(TfdBGRus3) //4* unsigned short (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - // Version - Buffer := glGetString(GL_VERSION); - TrimVersionString(Buffer, MajorVersion, MinorVersion); + TfdABGRus4 = class(TfdBGRus3) //4* unsigned short (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - GL_VERSION_1_2 := False; - GL_VERSION_1_3 := False; - GL_VERSION_1_4 := False; - GL_VERSION_2_0 := False; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdUniversalUI1 = class(TFormatDescriptor) //1* unsigned int + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - if MajorVersion = 1 then begin - if MinorVersion >= 1 then begin - if MinorVersion >= 2 then - GL_VERSION_1_2 := True; + TfdDepthUI1 = class(TFormatDescriptor) //1* unsigned int + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; - if MinorVersion >= 3 then - GL_VERSION_1_3 := True; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlpha4ub1 = class(TfdAlphaUB1) + procedure SetValues; override; + end; - if MinorVersion >= 4 then - GL_VERSION_1_4 := True; - end; - end; + TfdAlpha8ub1 = class(TfdAlphaUB1) + procedure SetValues; override; + end; - if MajorVersion >= 2 then begin - GL_VERSION_1_2 := True; - GL_VERSION_1_3 := True; - GL_VERSION_1_4 := True; - GL_VERSION_2_0 := True; - end; + TfdAlpha16us1 = class(TfdAlphaUS1) + procedure SetValues; override; + end; - // Extensions - Buffer := glGetString(GL_EXTENSIONS); - GL_ARB_texture_border_clamp := CheckExtension('GL_ARB_texture_border_clamp'); - GL_ARB_texture_cube_map := CheckExtension('GL_ARB_texture_cube_map'); - GL_ARB_texture_compression := CheckExtension('GL_ARB_texture_compression'); - GL_ARB_texture_non_power_of_two := CheckExtension('GL_ARB_texture_non_power_of_two'); - GL_ARB_texture_rectangle := CheckExtension('GL_ARB_texture_rectangle'); - GL_ARB_texture_mirrored_repeat := CheckExtension('GL_ARB_texture_mirrored_repeat'); - GL_EXT_bgra := CheckExtension('GL_EXT_bgra'); - GL_EXT_texture_edge_clamp := CheckExtension('GL_EXT_texture_edge_clamp'); - GL_EXT_texture_cube_map := CheckExtension('GL_EXT_texture_cube_map'); - GL_EXT_texture_compression_s3tc := CheckExtension('GL_EXT_texture_compression_s3tc'); - GL_EXT_texture_filter_anisotropic := CheckExtension('GL_EXT_texture_filter_anisotropic'); - GL_EXT_texture_rectangle := CheckExtension('GL_EXT_texture_rectangle'); - GL_NV_texture_rectangle := CheckExtension('GL_NV_texture_rectangle'); - GL_IBM_texture_mirrored_repeat := CheckExtension('GL_IBM_texture_mirrored_repeat'); - GL_SGIS_generate_mipmap := CheckExtension('GL_SGIS_generate_mipmap'); - - // Funtions - if GL_VERSION_1_3 then begin - // Loading Core - glCompressedTexImage1D := glLoad('glCompressedTexImage1D'); - glCompressedTexImage2D := glLoad('glCompressedTexImage2D'); - glGetCompressedTexImage := glLoad('glGetCompressedTexImage'); - end else + TfdLuminance4ub1 = class(TfdLuminanceUB1) + procedure SetValues; override; + end; - begin - // Try loading Extension - glCompressedTexImage1D := glLoad('glCompressedTexImage1DARB'); - glCompressedTexImage2D := glLoad('glCompressedTexImage2DARB'); - glGetCompressedTexImage := glLoad('glGetCompressedTexImageARB'); - end; - {$ifdef GLB_DELPHI} + TfdLuminance8ub1 = class(TfdLuminanceUB1) + procedure SetValues; override; end; - {$endif} -end; -{$endif} + TfdLuminance16us1 = class(TfdLuminanceUS1) + procedure SetValues; override; + end; -function glBitmapPosition(X, Y: Integer): TglBitmapPixelPosition; -begin - Result.Fields := []; + TfdLuminance4Alpha4ub2 = class(TfdLuminanceAlphaUB2) + procedure SetValues; override; + end; - if X >= 0 then - Result.Fields := Result.Fields + [ffX]; - if Y >= 0 then - Result.Fields := Result.Fields + [ffY]; + TfdLuminance6Alpha2ub2 = class(TfdLuminanceAlphaUB2) + procedure SetValues; override; + end; - Result.X := Max(0, X); - Result.Y := Max(0, Y); -end; + TfdLuminance8Alpha8ub2 = class(TfdLuminanceAlphaUB2) + procedure SetValues; override; + end; + TfdLuminance12Alpha4us2 = class(TfdLuminanceAlphaUS2) + procedure SetValues; override; + end; -const - UNSUPPORTED_INTERNAL_FORMAT = 'the given format isn''t supported by this function.'; + TfdLuminance16Alpha16us2 = class(TfdLuminanceAlphaUS2) + procedure SetValues; override; + end; - PIXEL_DESC_ALPHA : TglBitmapPixelDesc = ( - RedRange : $00; RedShift : 0; - GreenRange : $00; GreenShift : 0; - BlueRange : $00; BlueShift : 0; - AlphaRange : $FF; AlphaShift : 0 ); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdR3G3B2ub1 = class(TfdUniversalUB1) + procedure SetValues; override; + end; - PIXEL_DESC_LUMINANCE : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 0; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $00; AlphaShift : 0 ); + TfdRGBX4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - PIXEL_DESC_DEPTH8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 0; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $00; AlphaShift : 0 ); + TfdXRGB4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - PIXEL_DESC_LUMINANCEALPHA : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 0; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $FF; AlphaShift : 8 ); + TfdR5G6B5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - PIXEL_DESC_RGBA4 : TglBitmapPixelDesc = ( - RedRange : $0F; RedShift : 8; - GreenRange : $0F; GreenShift : 4; - BlueRange : $0F; BlueShift : 0; - AlphaRange : $0F; AlphaShift : 12 ); + TfdRGB5X1us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - PIXEL_DESC_R5G6B5 : TglBitmapPixelDesc = ( - RedRange : $1F; RedShift : 11; - GreenRange : $3F; GreenShift : 5; - BlueRange : $1F; BlueShift : 0; - AlphaRange : $00; AlphaShift : 0 ); + TfdX1RGB5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - PIXEL_DESC_RGB5A1 : TglBitmapPixelDesc = ( - RedRange : $1F; RedShift : 10; - GreenRange : $1F; GreenShift : 5; - BlueRange : $1F; BlueShift : 0; - AlphaRange : $01; AlphaShift : 15 ); + TfdRGB8ub3 = class(TfdRGBub3) + procedure SetValues; override; + end; - PIXEL_DESC_RGB8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 8; - BlueRange : $FF; BlueShift : 16; - AlphaRange : $00; AlphaShift : 0 ); + TfdRGBX8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; - PIXEL_DESC_RGBA8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 8; - BlueRange : $FF; BlueShift : 16; - AlphaRange : $FF; AlphaShift : 24 ); + TfdXRGB8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; - PIXEL_DESC_BGR8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 16; - GreenRange : $FF; GreenShift : 8; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $00; AlphaShift : 0 ); + TfdRGB10X2ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; - PIXEL_DESC_BGRA8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 16; - GreenRange : $FF; GreenShift : 8; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $FF; AlphaShift : 24 ); + TfdX2RGB10ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; - PIXEL_DESC_RGB10A2 : TglBitmapPixelDesc = ( - RedRange : $3FF; RedShift : 20; - GreenRange : $3FF; GreenShift : 10; - BlueRange : $3FF; BlueShift : 0; - AlphaRange : $003; AlphaShift : 30 ); + TfdRGB16us3 = class(TfdRGBus3) + procedure SetValues; override; + end; -{* -** Mapping -*} + TfdRGBA4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; -procedure MapAlpha(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Pixel.Alpha; - Inc(pDest); -end; + TfdARGB4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + TfdRGB5A1us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; -procedure MapLuminance(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Trunc(Pixel.Red * 0.3 + Pixel.Green * 0.59 + Pixel.Blue * 0.11); - Inc(pDest); -end; + TfdA1RGB5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + TfdRGBA8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; -procedure MapDepth8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := (Pixel.Red + Pixel.Green + Pixel.Blue) div 3; - Inc(pDest); -end; + TfdARGB8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + TfdRGBA8ub4 = class(TfdRGBAub4) + procedure SetValues; override; + end; -procedure MapLuminanceAlpha(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Trunc(Pixel.Red * 0.3 + Pixel.Green * 0.59 + Pixel.Blue * 0.11); - Inc(pDest); + TfdRGB10A2ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; - pDest^ := Pixel.Alpha; - Inc(pDest); -end; + TfdA2RGB10ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + TfdRGBA16us4 = class(TfdRGBAus4) + procedure SetValues; override; + end; -procedure MapRGBA4(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_RGBA4.AlphaShift or - Pixel.Red shl PIXEL_DESC_RGBA4.RedShift or - Pixel.Green shl PIXEL_DESC_RGBA4.GreenShift or - Pixel.Blue; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdBGRX4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - Inc(pDest, 2); -end; + TfdXBGR4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + TfdB5G6R5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; -procedure MapR5G6B5(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pWord(pDest)^ := - Pixel.Red shl PIXEL_DESC_R5G6B5.RedShift or - Pixel.Green shl PIXEL_DESC_R5G6B5.GreenShift or - Pixel.Blue; + TfdBGR5X1us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - Inc(pDest, 2); -end; + TfdX1BGR5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + TfdBGR8ub3 = class(TfdBGRub3) + procedure SetValues; override; + end; -procedure MapRGB5A1(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_RGB5A1.AlphaShift or - Pixel.Red shl PIXEL_DESC_RGB5A1.RedShift or - Pixel.Green shl PIXEL_DESC_RGB5A1.GreenShift or - Pixel.Blue; + TfdBGRX8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; - Inc(pDest, 2); -end; + TfdXBGR8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + TfdBGR10X2ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; -procedure MapRGB8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Pixel.Red; - Inc(pDest); + TfdX2BGR10ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; - pDest^ := Pixel.Green; - Inc(pDest); + TfdBGR16us3 = class(TfdBGRus3) + procedure SetValues; override; + end; - pDest^ := Pixel.Blue; - Inc(pDest); -end; + TfdBGRA4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + TfdABGR4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; -procedure MapBGR8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Pixel.Blue; - Inc(pDest); + TfdBGR5A1us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - pDest^ := Pixel.Green; - Inc(pDest); + TfdA1BGR5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; - pDest^ := Pixel.Red; - Inc(pDest); -end; + TfdBGRA8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + TfdABGR8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; -procedure MapRGBA8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_RGBA8.AlphaShift or - Pixel.Blue shl PIXEL_DESC_RGBA8.BlueShift or - Pixel.Green shl PIXEL_DESC_RGBA8.GreenShift or - Pixel.Red; + TfdBGRA8ub4 = class(TfdBGRAub4) + procedure SetValues; override; + end; - Inc(pDest, 4); -end; + TfdBGR10A2ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + TfdA2BGR10ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; -procedure MapBGRA8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_BGRA8.AlphaShift or - Pixel.Red shl PIXEL_DESC_BGRA8.RedShift or - Pixel.Green shl PIXEL_DESC_BGRA8.GreenShift or - Pixel.Blue; + TfdBGRA16us4 = class(TfdBGRAus4) + procedure SetValues; override; + end; - Inc(pDest, 4); -end; + TfdDepth16us1 = class(TfdDepthUS1) + procedure SetValues; override; + end; + TfdDepth24ui1 = class(TfdDepthUI1) + procedure SetValues; override; + end; -procedure MapRGB10A2(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_RGB10A2.AlphaShift or - Pixel.Red shl PIXEL_DESC_RGB10A2.RedShift or - Pixel.Green shl PIXEL_DESC_RGB10A2.GreenShift or - Pixel.Blue; + TfdDepth32ui1 = class(TfdDepthUI1) + procedure SetValues; override; + end; - Inc(pDest, 4); -end; + TfdS3tcDtx1RGBA = class(TFormatDescriptor) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + procedure SetValues; override; + end; + TfdS3tcDtx3RGBA = class(TFormatDescriptor) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + procedure SetValues; override; + end; -function FormatGetMapFunc(Format: TglBitmapInternalFormat): TglBitmapMapFunc; -begin - case Format of - ifAlpha: Result := MapAlpha; - ifLuminance: Result := MapLuminance; - ifDepth8: Result := MapDepth8; - ifLuminanceAlpha: Result := MapLuminanceAlpha; - ifRGBA4: Result := MapRGBA4; - ifR5G6B5: Result := MapR5G6B5; - ifRGB5A1: Result := MapRGB5A1; - ifRGB8: Result := MapRGB8; - ifBGR8: Result := MapBGR8; - ifRGBA8: Result := MapRGBA8; - ifBGRA8: Result := MapBGRA8; - ifRGB10A2: Result := MapRGB10A2; - else - raise EglBitmapUnsupportedInternalFormat.Create('FormatGetMapFunc - ' + UNSUPPORTED_INTERNAL_FORMAT); + TfdS3tcDtx5RGBA = class(TFormatDescriptor) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + procedure SetValues; override; end; -end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TbmpBitfieldFormat = class(TFormatDescriptor) + public + procedure SetCustomValues(const aBPP: Integer; aMask: TglBitmapRec4ul); overload; + procedure SetCustomValues(const aBBP: Integer; const aPrec, aShift: TglBitmapRec4ub); overload; + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; -{* -** Unmapping -*} -procedure UnMapAlpha(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Alpha := pData^; - Pixel.Red := Pixel.PixelDesc.RedRange; - Pixel.Green := Pixel.PixelDesc.GreenRange; - Pixel.Blue := Pixel.PixelDesc.BlueRange; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TbmpColorTableEnty = packed record + b, g, r, a: Byte; + end; + TbmpColorTable = array of TbmpColorTableEnty; + TbmpColorTableFormat = class(TFormatDescriptor) + private + fColorTable: TbmpColorTable; + protected + procedure SetValues; override; + public + property ColorTable: TbmpColorTable read fColorTable write fColorTable; - Inc(pData); -end; + procedure SetCustomValues(const aFormat: TglBitmapFormat; const aBPP: Integer; const aPrec, aShift: TglBitmapRec4ub); overload; + procedure CalcValues; + procedure CreateColorTable; + function CreateMappingData: Pointer; override; + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + destructor Destroy; override; + end; -procedure UnMapLuminance(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Alpha := 255; - Pixel.Red := pData^; - Pixel.Green := pData^; - Pixel.Blue := pData^; +const + LUMINANCE_WEIGHT_R = 0.30; + LUMINANCE_WEIGHT_G = 0.59; + LUMINANCE_WEIGHT_B = 0.11; + + ALPHA_WEIGHT_R = 0.30; + ALPHA_WEIGHT_G = 0.59; + ALPHA_WEIGHT_B = 0.11; + + DEPTH_WEIGHT_R = 0.333333333; + DEPTH_WEIGHT_G = 0.333333333; + DEPTH_WEIGHT_B = 0.333333333; + + FORMAT_DESCRIPTOR_CLASSES: array[TglBitmapFormat] of TFormatDescriptorClass = ( + TfdEmpty, + + TfdAlpha4ub1, + TfdAlpha8ub1, + TfdAlpha16us1, + + TfdLuminance4ub1, + TfdLuminance8ub1, + TfdLuminance16us1, + + TfdLuminance4Alpha4ub2, + TfdLuminance6Alpha2ub2, + TfdLuminance8Alpha8ub2, + TfdLuminance12Alpha4us2, + TfdLuminance16Alpha16us2, + + TfdR3G3B2ub1, + TfdRGBX4us1, + TfdXRGB4us1, + TfdR5G6B5us1, + TfdRGB5X1us1, + TfdX1RGB5us1, + TfdRGB8ub3, + TfdRGBX8ui1, + TfdXRGB8ui1, + TfdRGB10X2ui1, + TfdX2RGB10ui1, + TfdRGB16us3, + + TfdRGBA4us1, + TfdARGB4us1, + TfdRGB5A1us1, + TfdA1RGB5us1, + TfdRGBA8ui1, + TfdARGB8ui1, + TfdRGBA8ub4, + TfdRGB10A2ui1, + TfdA2RGB10ui1, + TfdRGBA16us4, + + TfdBGRX4us1, + TfdXBGR4us1, + TfdB5G6R5us1, + TfdBGR5X1us1, + TfdX1BGR5us1, + TfdBGR8ub3, + TfdBGRX8ui1, + TfdXBGR8ui1, + TfdBGR10X2ui1, + TfdX2BGR10ui1, + TfdBGR16us3, + + TfdBGRA4us1, + TfdABGR4us1, + TfdBGR5A1us1, + TfdA1BGR5us1, + TfdBGRA8ui1, + TfdABGR8ui1, + TfdBGRA8ub4, + TfdBGR10A2ui1, + TfdA2BGR10ui1, + TfdBGRA16us4, + + TfdDepth16us1, + TfdDepth24ui1, + TfdDepth32ui1, + + TfdS3tcDtx1RGBA, + TfdS3tcDtx3RGBA, + TfdS3tcDtx5RGBA + ); - Inc(pData); -end; +var + FormatDescriptorCS: TCriticalSection; + FormatDescriptors: array[TglBitmapFormat] of TFormatDescriptor; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor EglBitmapUnsupportedFormat.Create(const aFormat: TglBitmapFormat); +begin + inherited Create('unsupported format: ' + GetEnumName(TypeInfo(TglBitmapFormat), Integer(aFormat))); +end; -procedure UnMapDepth8(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor EglBitmapUnsupportedFormat.Create(const aMsg: String; const aFormat: TglBitmapFormat); begin - Pixel.Alpha := 255; - Pixel.Red := pData^; - Pixel.Green := pData^; - Pixel.Blue := pData^; + inherited Create(aMsg + GetEnumName(TypeInfo(TglBitmapFormat), Integer(aFormat))); +end; - Inc(pData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapSize(X: Integer; Y: Integer): TglBitmapSize; +begin + result.Fields := []; + if (X >= 0) then + result.Fields := result.Fields + [ffX]; + if (Y >= 0) then + result.Fields := result.Fields + [ffY]; + result.X := Max(0, X); + result.Y := Max(0, Y); end; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapPosition(X: Integer; Y: Integer): TglBitmapPixelPosition; +begin + result := glBitmapSize(X, Y); +end; -procedure UnMapLuminanceAlpha(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRec4ub(const r, g, b, a: Byte): TglBitmapRec4ub; begin - Pixel.Red := pData^; - Pixel.Green := pData^; - Pixel.Blue := pData^; - Inc(pData); + result.r := r; + result.g := g; + result.b := b; + result.a := a; +end; - Pixel.Alpha := pData^; - Inc(pData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRec4ui(const r, g, b, a: Cardinal): TglBitmapRec4ui; +begin + result.r := r; + result.g := g; + result.b := b; + result.a := a; end; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRec4ul(const r, g, b, a: QWord): TglBitmapRec4ul; +begin + result.r := r; + result.g := g; + result.b := b; + result.a := a; +end; -procedure UnMapRGBA4(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRec4ubCompare(const r1, r2: TglBitmapRec4ub): Boolean; var - Temp: Word; + i: Integer; begin - Temp := pWord(pData)^; - - Pixel.Alpha := Temp shr PIXEL_DESC_RGBA4.AlphaShift and PIXEL_DESC_RGBA4.AlphaRange; - Pixel.Red := Temp shr PIXEL_DESC_RGBA4.RedShift and PIXEL_DESC_RGBA4.RedRange; - Pixel.Green := Temp shr PIXEL_DESC_RGBA4.GreenShift and PIXEL_DESC_RGBA4.GreenRange; - Pixel.Blue := Temp and PIXEL_DESC_RGBA4.BlueRange; - - Inc(pData, 2); + result := false; + for i := 0 to high(r1.arr) do + if (r1.arr[i] <> r2.arr[i]) then + exit; + result := true; end; - -procedure UnMapR5G6B5(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRec4uiCompare(const r1, r2: TglBitmapRec4ui): Boolean; var - Temp: Word; + i: Integer; begin - Temp := pWord(pData)^; + result := false; + for i := 0 to high(r1.arr) do + if (r1.arr[i] <> r2.arr[i]) then + exit; + result := true; +end; - Pixel.Alpha := Pixel.PixelDesc.AlphaRange; - Pixel.Red := Temp shr PIXEL_DESC_R5G6B5.RedShift and PIXEL_DESC_R5G6B5.RedRange; - Pixel.Green := Temp shr PIXEL_DESC_R5G6B5.GreenShift and PIXEL_DESC_R5G6B5.GreenRange; - Pixel.Blue := Temp and PIXEL_DESC_R5G6B5.BlueRange; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapCreateTestData(const aFormat: TglBitmapFormat): TglBitmapData; +var + desc: TFormatDescriptor; + p, tmp: PByte; + x, y, i: Integer; + md: Pointer; + px: TglBitmapPixelData; +begin + result := nil; + desc := TFormatDescriptor.Get(aFormat); + if (desc.IsCompressed) or (desc.glFormat = 0) then + exit; + + p := GetMemory(ceil(25 * desc.BytesPerPixel)); // 5 x 5 pixel + md := desc.CreateMappingData; + try + tmp := p; + desc.PreparePixel(px); + for y := 0 to 4 do + for x := 0 to 4 do begin + px.Data := glBitmapRec4ui(0, 0, 0, 0); + for i := 0 to 3 do begin + if ((y < 3) and (y = i)) or + ((y = 3) and (i < 3)) or + ((y = 4) and (i = 3)) + then + px.Data.arr[i] := Trunc(px.Range.arr[i] / 4 * x) + else if ((y < 4) and (i = 3)) or + ((y = 4) and (i < 3)) + then + px.Data.arr[i] := px.Range.arr[i] + else + px.Data.arr[i] := 0; //px.Range.arr[i]; + end; + desc.Map(px, tmp, md); + end; + finally + desc.FreeMappingData(md); + end; - Inc(pData, 2); + result := TglBitmapData.Create(glBitmapPosition(5, 5), aFormat, p); end; - -procedure UnMapRGB5A1(var pData: pByte; var Pixel: TglBitmapPixelData); -var - Temp: Word; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapShiftRec(const r, g, b, a: Byte): TglBitmapRec4ub; begin - Temp := pWord(pData)^; + result.r := r; + result.g := g; + result.b := b; + result.a := a; +end; - Pixel.Alpha := Temp shr PIXEL_DESC_RGB5A1.AlphaShift and PIXEL_DESC_RGB5A1.AlphaRange; - Pixel.Red := Temp shr PIXEL_DESC_RGB5A1.RedShift and PIXEL_DESC_RGB5A1.RedRange; - Pixel.Green := Temp shr PIXEL_DESC_RGB5A1.GreenShift and PIXEL_DESC_RGB5A1.GreenRange; - Pixel.Blue := Temp and PIXEL_DESC_RGB5A1.BlueRange; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function FormatGetSupportedFiles(const aFormat: TglBitmapFormat): TglBitmapFileTypes; +begin + result := []; - Inc(pData, 2); -end; + if (aFormat in [ + //8bpp + tfAlpha4ub1, tfAlpha8ub1, + tfLuminance4ub1, tfLuminance8ub1, tfR3G3B2ub1, + //16bpp + tfLuminance4Alpha4ub2, tfLuminance6Alpha2ub2, tfLuminance8Alpha8ub2, + tfRGBX4us1, tfXRGB4us1, tfRGB5X1us1, tfX1RGB5us1, tfR5G6B5us1, tfRGB5A1us1, tfA1RGB5us1, tfRGBA4us1, tfARGB4us1, + tfBGRX4us1, tfXBGR4us1, tfBGR5X1us1, tfX1BGR5us1, tfB5G6R5us1, tfBGR5A1us1, tfA1BGR5us1, tfBGRA4us1, tfABGR4us1, -procedure UnMapRGB8(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Alpha := Pixel.PixelDesc.AlphaRange; + //24bpp + tfBGR8ub3, tfRGB8ub3, - Pixel.Red := pData^; - Inc(pData); + //32bpp + tfRGBX8ui1, tfXRGB8ui1, tfRGB10X2ui1, tfX2RGB10ui1, tfRGBA8ui1, tfARGB8ui1, tfRGBA8ub4, tfRGB10A2ui1, tfA2RGB10ui1, + tfBGRX8ui1, tfXBGR8ui1, tfBGR10X2ui1, tfX2BGR10ui1, tfBGRA8ui1, tfABGR8ui1, tfBGRA8ub4, tfBGR10A2ui1, tfA2BGR10ui1]) + then + result := result + [ ftBMP ]; - Pixel.Green := pData^; - Inc(pData); + if (aFormat in [ + //8bbp + tfAlpha4ub1, tfAlpha8ub1, tfLuminance4ub1, tfLuminance8ub1, - Pixel.Blue := pData^; - Inc(pData); -end; + //16bbp + tfAlpha16us1, tfLuminance16us1, + tfLuminance4Alpha4ub2, tfLuminance6Alpha2ub2, tfLuminance8Alpha8ub2, + tfX1RGB5us1, tfARGB4us1, tfA1RGB5us1, tfDepth16us1, + //24bbp + tfBGR8ub3, -procedure UnMapBGR8(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Alpha := Pixel.PixelDesc.AlphaRange; + //32bbp + tfX2RGB10ui1, tfARGB8ui1, tfBGRA8ub4, tfA2RGB10ui1, + tfDepth24ui1, tfDepth32ui1]) + then + result := result + [ftTGA]; - Pixel.Blue := pData^; - Inc(pData); + if not (aFormat in [tfEmpty, tfRGB16us3, tfBGR16us3]) then + result := result + [ftDDS]; - Pixel.Green := pData^; - Inc(pData); +{$IFDEF GLB_SUPPORT_PNG_WRITE} + if aFormat in [ + tfAlpha8ub1, tfLuminance8ub1, tfLuminance8Alpha8ub2, + tfRGB8ub3, tfRGBA8ui1, + tfBGR8ub3, tfBGRA8ui1] then + result := result + [ftPNG]; +{$ENDIF} - Pixel.Red := pData^; - Inc(pData); +{$IFDEF GLB_SUPPORT_JPEG_WRITE} + if aFormat in [tfAlpha8ub1, tfLuminance8ub1, tfRGB8ub3, tfBGR8ub3] then + result := result + [ftJPEG]; +{$ENDIF} end; - -procedure UnMapRGBA8(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function IsPowerOfTwo(aNumber: Integer): Boolean; begin - Pixel.Red := pData^; - Inc(pData); - - Pixel.Green := pData^; - Inc(pData); + while (aNumber and 1) = 0 do + aNumber := aNumber shr 1; + result := aNumber = 1; +end; - Pixel.Blue := pData^; - Inc(pData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function GetTopMostBit(aBitSet: QWord): Integer; +begin + result := 0; + while aBitSet > 0 do begin + inc(result); + aBitSet := aBitSet shr 1; + end; +end; - Pixel.Alpha := pData^; - Inc(pData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function CountSetBits(aBitSet: QWord): Integer; +begin + result := 0; + while aBitSet > 0 do begin + if (aBitSet and 1) = 1 then + inc(result); + aBitSet := aBitSet shr 1; + end; end; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function LuminanceWeight(const aPixel: TglBitmapPixelData): Cardinal; +begin + result := Trunc( + LUMINANCE_WEIGHT_R * aPixel.Data.r + + LUMINANCE_WEIGHT_G * aPixel.Data.g + + LUMINANCE_WEIGHT_B * aPixel.Data.b); +end; -procedure UnMapBGRA8(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function DepthWeight(const aPixel: TglBitmapPixelData): Cardinal; begin - Pixel.Blue := pData^; - Inc(pData); + result := Trunc( + DEPTH_WEIGHT_R * aPixel.Data.r + + DEPTH_WEIGHT_G * aPixel.Data.g + + DEPTH_WEIGHT_B * aPixel.Data.b); +end; - Pixel.Green := pData^; - Inc(pData); +{$IFDEF GLB_SDL_IMAGE} +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// SDL Image Helper ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRWseek(context: PSDL_RWops; offset: Integer; whence: Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Seek(offset, whence); +end; - Pixel.Red := pData^; - Inc(pData); +function glBitmapRWread(context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Read(Ptr^, size * maxnum); +end; - Pixel.Alpha := pData^; - Inc(pData); +function glBitmapRWwrite(context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Write(Ptr^, size * num); end; +function glBitmapRWclose(context: PSDL_RWops): Integer; cdecl; +begin + result := 0; +end; -procedure UnMapRGB10A2(var pData: pByte; var Pixel: TglBitmapPixelData); -var - Temp: DWord; +function glBitmapCreateRWops(Stream: TStream): PSDL_RWops; begin - Temp := pDWord(pData)^; + result := SDL_AllocRW; - Pixel.Alpha := Temp shr PIXEL_DESC_RGB10A2.AlphaShift and PIXEL_DESC_RGB10A2.AlphaRange; - Pixel.Red := Temp shr PIXEL_DESC_RGB10A2.RedShift and PIXEL_DESC_RGB10A2.RedRange; - Pixel.Green := Temp shr PIXEL_DESC_RGB10A2.GreenShift and PIXEL_DESC_RGB10A2.GreenRange; - Pixel.Blue := Temp and PIXEL_DESC_RGB10A2.BlueRange; + if result = nil then + raise EglBitmap.Create('glBitmapCreateRWops - SDL_AllocRW failed.'); - Inc(pData, 4); + result^.seek := glBitmapRWseek; + result^.read := glBitmapRWread; + result^.write := glBitmapRWwrite; + result^.close := glBitmapRWclose; + result^.unknown.data1 := Stream; end; +{$ENDIF} - -function FormatGetUnMapFunc(Format: TglBitmapInternalFormat): TglBitmapUnMapFunc; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean); begin - case Format of - ifAlpha: Result := UnmapAlpha; - ifLuminance: Result := UnMapLuminance; - ifDepth8: Result := UnMapDepth8; - ifLuminanceAlpha: Result := UnMapLuminanceAlpha; - ifRGBA4: Result := UnMapRGBA4; - ifR5G6B5: Result := UnMapR5G6B5; - ifRGB5A1: Result := UnMapRGB5A1; - ifRGB8: Result := UnMapRGB8; - ifBGR8: Result := UnMapBGR8; - ifRGBA8: Result := UnMapRGBA8; - ifBGRA8: Result := UnMapBGRA8; - ifRGB10A2: Result := UnMapRGB10A2; - else - raise EglBitmapUnsupportedInternalFormat.Create('FormatGetUnMapFunc - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; + glBitmapDefaultDeleteTextureOnFree := aDeleteTextureOnFree; end; -{* -** Tools -*} -function FormatGetSize (Format: TglBitmapInternalFormat): Single; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFreeDataAfterGenTexture(const aFreeData: Boolean); begin - case Format of - ifEmpty: - Result := 0; - ifDXT1: - Result := 0.5; - ifAlpha, ifLuminance, ifDepth8, ifDXT3, ifDXT5: - Result := 1; - ifLuminanceAlpha, ifRGBA4, ifRGB5A1, ifR5G6B5: - Result := 2; - ifBGR8, ifRGB8: - Result := 3; - ifBGRA8, ifRGBA8, ifRGB10A2: - Result := 4; - else - raise EglBitmapUnsupportedInternalFormat.Create('FormatGetSize - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; + glBitmapDefaultFreeDataAfterGenTextures := aFreeData; end; - -function FormatIsCompressed(Format: TglBitmapInternalFormat): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultMipmap(const aValue: TglBitmapMipMap); begin - Result := Format in [ifDXT1, ifDXT3, ifDXT5]; + glBitmapDefaultMipmap := aValue; end; - -function FormatIsUncompressed(Format: TglBitmapInternalFormat): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFormat(const aFormat: TglBitmapFormat); begin - Result := Format in [ifAlpha, ifLuminance, ifDepth8, ifLuminanceAlpha, ifRGBA4, ifRGB5A1, ifR5G6B5, ifBGR8, ifRGB8, ifBGRA8, ifRGBA8, ifRGB10A2]; + glBitmapDefaultFormat := aFormat; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFilter(const aMin, aMag: Integer); +begin + glBitmapDefaultFilterMin := aMin; + glBitmapDefaultFilterMag := aMag; +end; -function FormatIsEmpty(Format: TglBitmapInternalFormat): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultWrap(const S: Cardinal = GL_CLAMP_TO_EDGE; const T: Cardinal = GL_CLAMP_TO_EDGE; const R: Cardinal = GL_CLAMP_TO_EDGE); begin - Result := Format = ifEmpty; + glBitmapDefaultWrapS := S; + glBitmapDefaultWrapT := T; + glBitmapDefaultWrapR := R; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} +procedure glBitmapSetDefaultSwizzle(const r: GLenum = GL_RED; g: GLenum = GL_GREEN; b: GLenum = GL_BLUE; a: GLenum = GL_ALPHA); +begin + glDefaultSwizzle[0] := r; + glDefaultSwizzle[1] := g; + glDefaultSwizzle[2] := b; + glDefaultSwizzle[3] := a; +end; +{$IFEND} -function FormatHasAlpha(Format: TglBitmapInternalFormat): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultDeleteTextureOnFree: Boolean; begin - Result := Format in [ifDXT1, ifDXT3, ifDXT5 ,ifAlpha, ifLuminanceAlpha, ifRGBA4, ifRGB5A1, ifBGRA8, ifRGBA8, ifRGB10A2]; + result := glBitmapDefaultDeleteTextureOnFree; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; +begin + result := glBitmapDefaultFreeDataAfterGenTextures; +end; -procedure FormatPreparePixel(var Pixel: TglBitmapPixelData; Format: TglBitmapInternalFormat); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultMipmap: TglBitmapMipMap; begin - FillChar(Pixel, SizeOf(Pixel), #0); + result := glBitmapDefaultMipmap; +end; - case Format of - ifAlpha: - Pixel.PixelDesc := PIXEL_DESC_ALPHA; - ifLuminance: - Pixel.PixelDesc := PIXEL_DESC_LUMINANCE; - ifDepth8: - Pixel.PixelDesc := PIXEL_DESC_DEPTH8; - ifLuminanceAlpha: - Pixel.PixelDesc := PIXEL_DESC_LUMINANCEALPHA; - ifRGBA4: - Pixel.PixelDesc := PIXEL_DESC_RGBA4; - ifR5G6B5: - Pixel.PixelDesc := PIXEL_DESC_R5G6B5; - ifRGB5A1: - Pixel.PixelDesc := PIXEL_DESC_RGB5A1; - ifDXT1, ifDXT3, ifDXT5, ifBGRA8: - Pixel.PixelDesc := PIXEL_DESC_BGRA8; - ifBGR8: - Pixel.PixelDesc := PIXEL_DESC_BGR8; - ifRGB8: - Pixel.PixelDesc := PIXEL_DESC_RGB8; - ifRGBA8: - Pixel.PixelDesc := PIXEL_DESC_RGBA8; - ifRGB10A2: - Pixel.PixelDesc := PIXEL_DESC_RGB10A2; - end; - - Pixel.Red := Pixel.PixelDesc.RedRange; - Pixel.Green := Pixel.PixelDesc.GreenRange; - Pixel.Blue := Pixel.PixelDesc.BlueRange; - Pixel.Alpha := Pixel.PixelDesc.AlphaRange; -end; - - -function FormatGetWithoutAlpha(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultFormat: TglBitmapFormat; begin - case Format of - ifAlpha: - Result := ifLuminance; - ifLuminanceAlpha: - Result := ifLuminance; - ifRGBA4: - Result := ifR5G6B5; - ifRGB5A1: - Result := ifR5G6B5; - ifBGRA8: - Result := ifBGR8; - ifRGBA8: - Result := ifRGB8; - ifRGB10A2: - Result := ifRGB8; - else - Result := Format; - end; + result := glBitmapDefaultFormat; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultFilter(var aMin, aMag: Cardinal); +begin + aMin := glBitmapDefaultFilterMin; + aMag := glBitmapDefaultFilterMag; +end; -function FormatGetWithAlpha(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultTextureWrap(var S, T, R: Cardinal); begin - case Format of - ifLuminance: - Result := ifLuminanceAlpha; - ifR5G6B5: - Result := ifRGB5A1; - ifBGR8: - Result := ifBGRA8; - ifRGB8: - Result := ifRGBA8; - else - Result := Format; - end; + S := glBitmapDefaultWrapS; + T := glBitmapDefaultWrapT; + R := glBitmapDefaultWrapR; end; +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultSwizzle(var r, g, b, a: GLenum); +begin + r := glDefaultSwizzle[0]; + g := glDefaultSwizzle[1]; + b := glDefaultSwizzle[2]; + a := glDefaultSwizzle[3]; +end; +{$IFEND} -function FormatGetUncompressed(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.CreateMappingData: Pointer; begin - case Format of - ifDXT1: - Result := ifRGB5A1; - ifDXT3: - Result := ifRGBA8; - ifDXT5: - Result := ifRGBA8; - else - Result := Format; - end; + result := nil; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TFormatDescriptor.FreeMappingData(var aMappingData: Pointer); +begin + //DUMMY +end; -function FormatGetImageSize(Size: TglBitmapPixelPosition; Format: TglBitmapInternalFormat): Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.IsEmpty: Boolean; begin - if (Size.X = 0) and (Size.Y = 0) then - Result := 0 - else - Result := Trunc(Max(Size.Y, 1) * Max(Size.X, 1) * FormatGetSize(Format)); + result := (fFormat = tfEmpty); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.MaskMatch(const aMask: TglBitmapRec4ul): Boolean; +var + i: Integer; + m: TglBitmapRec4ul; +begin + result := false; + if (aMask.r = 0) and (aMask.g = 0) and (aMask.b = 0) and (aMask.a = 0) then + raise EglBitmap.Create('FormatCheckFormat - All Masks are 0'); + m := Mask; + for i := 0 to 3 do + if (aMask.arr[i] <> m.arr[i]) then + exit; + result := true; +end; -function FormatGetSupportedFiles(Format: TglBitmapInternalFormat): TglBitmapFileTypes; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TFormatDescriptor.PreparePixel(out aPixel: TglBitmapPixelData); begin - Result := []; - - {$ifdef GLB_SUPPORT_PNG_WRITE} - if Format in [ifLuminance, ifAlpha, ifDepth8, ifLuminanceAlpha, ifBGR8, ifBGRA8, ifRGB8, ifRGBA8] then - Result := Result + [ftPNG]; - {$endif} + FillChar(aPixel{%H-}, SizeOf(aPixel), 0); + aPixel.Data := Range; + aPixel.Format := fFormat; + aPixel.Range := Range; +end; - {$ifdef GLB_SUPPORT_JPEG_WRITE} - if Format in [ifLuminance, ifAlpha, ifDepth8, ifRGB8, ifBGR8] then - Result := Result + [ftJPEG]; - {$endif} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TFormatDescriptor.Create; +begin + inherited Create; +end; - Result := Result + [ftDDS]; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdAlpha_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlphaUB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := aPixel.Data.a; + inc(aData); +end; - if Format in [ifLuminance, ifAlpha, ifDepth8, ifLuminanceAlpha, ifBGR8, ifRGB8, ifBGRA8, ifRGBA8] then - Result := Result + [ftTGA]; +procedure TfdAlphaUB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := 0; + aPixel.Data.g := 0; + aPixel.Data.b := 0; + aPixel.Data.a := aData^; + inc(aData); +end; - if Format in [ifLuminance, ifAlpha, ifDepth8, ifLuminanceAlpha, ifRGBA4, ifRGB5A1, ifR5G6B5, ifRGB8, ifBGR8, ifRGBA8, ifBGRA8, ifRGB10A2] then - Result := Result + [ftBMP]; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminance_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceUB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := LuminanceWeight(aPixel); + inc(aData); end; +procedure TfdLuminanceUB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := aData^; + aPixel.Data.g := aData^; + aPixel.Data.b := aData^; + aPixel.Data.a := 0; + inc(aData); +end; -function FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; Format: TglBitmapInternalFormat): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversalUB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); var - Pix: TglBitmapPixelData; + i: Integer; begin - Result := False; + aData^ := 0; + for i := 0 to 3 do + if (Range.arr[i] > 0) then + aData^ := aData^ or ((aPixel.Data.arr[i] and Range.arr[i]) shl fShift.arr[i]); + inc(aData); +end; - if (RedMask = 0) and (GreenMask = 0) and (BlueMask = 0) and (AlphaMask = 0) then - raise EglBitmapException.Create('FormatCheckFormat - All Masks are 0'); +procedure TfdUniversalUB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + i: Integer; +begin + for i := 0 to 3 do + aPixel.Data.arr[i] := (aData^ shr fShift.arr[i]) and Range.arr[i]; + inc(aData); +end; - FormatPreparePixel(Pix, Format); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminanceAlpha_UB2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceAlphaUB2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + aData^ := aPixel.Data.a; + inc(aData); +end; - with Pix.PixelDesc do begin - if RedMask <> 0 then - if (RedMask <> (RedRange shl RedShift)) then - Exit; +procedure TfdLuminanceAlphaUB2.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := aData^; + inc(aData); +end; - if GreenMask <> 0 then - if (GreenMask <> (GreenRange shl GreenShift)) then - Exit; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGB_UB3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdRGBub3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := aPixel.Data.r; + inc(aData); + aData^ := aPixel.Data.g; + inc(aData); + aData^ := aPixel.Data.b; + inc(aData); +end; - if BlueMask <> 0 then - if (BlueMask <> (BlueRange shl BlueShift)) then - Exit; +procedure TfdRGBub3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := aData^; + inc(aData); + aPixel.Data.g := aData^; + inc(aData); + aPixel.Data.b := aData^; + inc(aData); + aPixel.Data.a := 0; +end; - if AlphaMask <> 0 then - if (AlphaMask <> (AlphaRange shl AlphaShift)) then - Exit; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGR_UB3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRub3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := aPixel.Data.b; + inc(aData); + aData^ := aPixel.Data.g; + inc(aData); + aData^ := aPixel.Data.r; + inc(aData); +end; - Result := True; - end; +procedure TfdBGRub3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.b := aData^; + inc(aData); + aPixel.Data.g := aData^; + inc(aData); + aPixel.Data.r := aData^; + inc(aData); + aPixel.Data.a := 0; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGBA_UB4////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdRGBAub4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + aData^ := aPixel.Data.a; + inc(aData); +end; -function IsPowerOfTwo(Number: Integer): Boolean; +procedure TfdRGBAub4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); begin - while Number and 1 = 0 do - Number := Number shr 1; + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := aData^; + inc(aData); +end; - Result := Number = 1; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGRA_UB4////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRAub4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + aData^ := aPixel.Data.a; + inc(aData); end; +procedure TfdBGRAub4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := aData^; + inc(aData); +end; -function GetBitSize(BitSet: Cardinal): Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdAlpha_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlphaUS1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Result := 0; + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); +end; - while BitSet > 0 do begin - if (BitSet and $1) = 1 then - Inc(Result); +procedure TfdAlphaUS1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := 0; + aPixel.Data.g := 0; + aPixel.Data.b := 0; + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; - BitSet := BitSet shr 1; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminance_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceUS1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := LuminanceWeight(aPixel); + inc(aData, 2); end; +procedure TfdLuminanceUS1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := PWord(aData)^; + aPixel.Data.g := PWord(aData)^; + aPixel.Data.b := PWord(aData)^; + aPixel.Data.a := 0; + inc(aData, 2); +end; -procedure SwapRGB(pData: pByte; Width: Integer; HasAlpha: Boolean); -type - PRGBPix = ^TRGBPix; - TRGBPix = array [0..2] of byte; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversalUS1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); var - Temp: Byte; + i: Integer; begin - while Width > 0 do begin - Temp := pRGBPIX(pData)^[0]; - pRGBPIX(pData)^[0] := pRGBPIX(pData)^[2]; - pRGBPIX(pData)^[2] := Temp; + PWord(aData)^ := 0; + for i := 0 to 3 do + if (Range.arr[i] > 0) then + PWord(aData)^ := PWord(aData)^ or ((aPixel.Data.arr[i] and Range.arr[i]) shl fShift.arr[i]); + inc(aData, 2); +end; - if HasAlpha then - Inc(pData, 4) - else - Inc(pData, 3); +procedure TfdUniversalUS1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + i: Integer; +begin + for i := 0 to 3 do + aPixel.Data.arr[i] := (PWord(aData)^ shr fShift.arr[i]) and Range.arr[i]; + inc(aData, 2); +end; - Dec(Width); - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdDepth_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdDepthUS1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := DepthWeight(aPixel); + inc(aData, 2); end; +procedure TfdDepthUS1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := PWord(aData)^; + aPixel.Data.g := PWord(aData)^; + aPixel.Data.b := PWord(aData)^; + aPixel.Data.a := PWord(aData)^;; + inc(aData, 2); +end; -{$ifdef GLB_DELPHI} -function CreateGrayPalette: HPALETTE; -var - Idx: Integer; - Pal: PLogPalette; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminanceAlpha_US2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceAlphaUS2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - GetMem(Pal, SizeOf(TLogPalette) + (SizeOf(TPaletteEntry) * 256)); + inherited Map(aPixel, aData, aMapData); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); +end; - Pal.palVersion := $300; - Pal.palNumEntries := 256; +procedure TfdLuminanceAlphaUS2.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; - {$IFOPT R+} - {$DEFINE GLB_TEMPRANGECHECK} - {$R-} - {$ENDIF} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGB_US3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdRGBus3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := aPixel.Data.r; + inc(aData, 2); + PWord(aData)^ := aPixel.Data.g; + inc(aData, 2); + PWord(aData)^ := aPixel.Data.b; + inc(aData, 2); +end; - for Idx := 0 to 256 - 1 do begin - Pal.palPalEntry[Idx].peRed := Idx; - Pal.palPalEntry[Idx].peGreen := Idx; - Pal.palPalEntry[Idx].peBlue := Idx; - Pal.palPalEntry[Idx].peFlags := 0; - end; +procedure TfdRGBus3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := PWord(aData)^; + inc(aData, 2); + aPixel.Data.g := PWord(aData)^; + inc(aData, 2); + aPixel.Data.b := PWord(aData)^; + inc(aData, 2); + aPixel.Data.a := 0; +end; - {$IFDEF GLB_TEMPRANGECHECK} - {$UNDEF GLB_TEMPRANGECHECK} - {$R+} - {$ENDIF} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGR_US3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRus3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := aPixel.Data.b; + inc(aData, 2); + PWord(aData)^ := aPixel.Data.g; + inc(aData, 2); + PWord(aData)^ := aPixel.Data.r; + inc(aData, 2); +end; - Result := CreatePalette(Pal^); +procedure TfdBGRus3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.b := PWord(aData)^; + inc(aData, 2); + aPixel.Data.g := PWord(aData)^; + inc(aData, 2); + aPixel.Data.r := PWord(aData)^; + inc(aData, 2); + aPixel.Data.a := 0; +end; - FreeMem(Pal); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGBA_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdRGBAus4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); end; -{$endif} +procedure TfdRGBAus4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; -{$ifdef GLB_SDL_IMAGE} -function glBitmapRWseek(context: PSDL_RWops; offset: Integer; whence: Integer): Integer; cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdARGB_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdARGBus4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Result := TStream(context^.unknown.data1).Seek(offset, whence); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); + inherited Map(aPixel, aData, aMapData); end; +procedure TfdARGBus4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); + inherited Unmap(aData, aPixel, aMapData); +end; -function glBitmapRWread(context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer): Integer; cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGRA_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRAus4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Result := TStream(context^.unknown.data1).Read(Ptr^, size * maxnum); + inherited Map(aPixel, aData, aMapData); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); end; +procedure TfdBGRAus4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; -function glBitmapRWwrite(context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer): Integer; cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdABGR_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdABGRus4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Result := TStream(context^.unknown.data1).Write(Ptr^, size * num); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); + inherited Map(aPixel, aData, aMapData); end; +procedure TfdABGRus4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); + inherited Unmap(aData, aPixel, aMapData); +end; -function glBitmapRWclose(context: PSDL_RWops): Integer; cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversalUI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + i: Integer; begin - Result := 0; + PCardinal(aData)^ := 0; + for i := 0 to 3 do + if (Range.arr[i] > 0) then + PCardinal(aData)^ := PCardinal(aData)^ or ((aPixel.Data.arr[i] and Range.arr[i]) shl fShift.arr[i]); + inc(aData, 4); end; +procedure TfdUniversalUI1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + i: Integer; +begin + for i := 0 to 3 do + aPixel.Data.arr[i] := (PCardinal(aData)^ shr fShift.arr[i]) and Range.arr[i]; + inc(aData, 2); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdDepth_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdDepthUI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PCardinal(aData)^ := DepthWeight(aPixel); + inc(aData, 4); +end; + +procedure TfdDepthUI1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := PCardinal(aData)^; + aPixel.Data.g := PCardinal(aData)^; + aPixel.Data.b := PCardinal(aData)^; + aPixel.Data.a := PCardinal(aData)^; + inc(aData, 4); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlpha4ub1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 8; + fFormat := tfAlpha4ub1; + fWithAlpha := tfAlpha4ub1; + fPrecision := glBitmapRec4ub(0, 0, 0, 8); + fShift := glBitmapRec4ub(0, 0, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfAlpha4ub1; + fglFormat := GL_ALPHA; + fglInternalFormat := GL_ALPHA4; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := tfAlpha8ub1; +{$ENDIF} +end; + +procedure TfdAlpha8ub1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 8; + fFormat := tfAlpha8ub1; + fWithAlpha := tfAlpha8ub1; + fPrecision := glBitmapRec4ub(0, 0, 0, 8); + fShift := glBitmapRec4ub(0, 0, 0, 0); + fOpenGLFormat := tfAlpha8ub1; + fglFormat := GL_ALPHA; + fglInternalFormat := {$IFNDEF OPENGL_ES}GL_ALPHA8{$ELSE}GL_ALPHA{$ENDIF}; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +procedure TfdAlpha16us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfAlpha16us1; + fWithAlpha := tfAlpha16us1; + fPrecision := glBitmapRec4ub(0, 0, 0, 16); + fShift := glBitmapRec4ub(0, 0, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfAlpha16us1; + fglFormat := GL_ALPHA; + fglInternalFormat := GL_ALPHA16; + fglDataFormat := GL_UNSIGNED_SHORT; +{$ELSE} + fOpenGLFormat := tfAlpha8ub1; +{$ENDIF} +end; + +procedure TfdLuminance4ub1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 8; + fFormat := tfLuminance4ub1; + fWithAlpha := tfLuminance4Alpha4ub2; + fWithoutAlpha := tfLuminance4ub1; + fPrecision := glBitmapRec4ub(8, 8, 8, 0); + fShift := glBitmapRec4ub(0, 0, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfLuminance4ub1; + fglFormat := GL_LUMINANCE; + fglInternalFormat := GL_LUMINANCE4; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := tfLuminance8ub1; +{$ENDIF} +end; + +procedure TfdLuminance8ub1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 8; + fFormat := tfLuminance8ub1; + fWithAlpha := tfLuminance8Alpha8ub2; + fWithoutAlpha := tfLuminance8ub1; + fOpenGLFormat := tfLuminance8ub1; + fPrecision := glBitmapRec4ub(8, 8, 8, 0); + fShift := glBitmapRec4ub(0, 0, 0, 0); + fglFormat := GL_LUMINANCE; + fglInternalFormat := {$IFNDEF OPENGL_ES}GL_LUMINANCE8{$ELSE}GL_LUMINANCE{$ENDIF}; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +procedure TfdLuminance16us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfLuminance16us1; + fWithAlpha := tfLuminance16Alpha16us2; + fWithoutAlpha := tfLuminance16us1; + fPrecision := glBitmapRec4ub(16, 16, 16, 0); + fShift := glBitmapRec4ub( 0, 0, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfLuminance16us1; + fglFormat := GL_LUMINANCE; + fglInternalFormat := GL_LUMINANCE16; + fglDataFormat := GL_UNSIGNED_SHORT; +{$ELSE} + fOpenGLFormat := tfLuminance8ub1; +{$ENDIF} +end; + +procedure TfdLuminance4Alpha4ub2.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfLuminance4Alpha4ub2; + fWithAlpha := tfLuminance4Alpha4ub2; + fWithoutAlpha := tfLuminance4ub1; + fPrecision := glBitmapRec4ub(8, 8, 8, 8); + fShift := glBitmapRec4ub(0, 0, 0, 8); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfLuminance4Alpha4ub2; + fglFormat := GL_LUMINANCE_ALPHA; + fglInternalFormat := GL_LUMINANCE4_ALPHA4; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := tfLuminance8Alpha8ub2; +{$ENDIF} +end; + +procedure TfdLuminance6Alpha2ub2.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfLuminance6Alpha2ub2; + fWithAlpha := tfLuminance6Alpha2ub2; + fWithoutAlpha := tfLuminance8ub1; + fPrecision := glBitmapRec4ub(8, 8, 8, 8); + fShift := glBitmapRec4ub(0, 0, 0, 8); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfLuminance6Alpha2ub2; + fglFormat := GL_LUMINANCE_ALPHA; + fglInternalFormat := GL_LUMINANCE6_ALPHA2; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := tfLuminance8Alpha8ub2; +{$ENDIF} +end; + +procedure TfdLuminance8Alpha8ub2.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfLuminance8Alpha8ub2; + fWithAlpha := tfLuminance8Alpha8ub2; + fWithoutAlpha := tfLuminance8ub1; + fOpenGLFormat := tfLuminance8Alpha8ub2; + fPrecision := glBitmapRec4ub(8, 8, 8, 8); + fShift := glBitmapRec4ub(0, 0, 0, 8); + fglFormat := GL_LUMINANCE_ALPHA; + fglInternalFormat := {$IFNDEF OPENGL_ES}GL_LUMINANCE8_ALPHA8{$ELSE}GL_LUMINANCE_ALPHA{$ENDIF}; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +procedure TfdLuminance12Alpha4us2.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfLuminance12Alpha4us2; + fWithAlpha := tfLuminance12Alpha4us2; + fWithoutAlpha := tfLuminance16us1; + fPrecision := glBitmapRec4ub(16, 16, 16, 16); + fShift := glBitmapRec4ub( 0, 0, 0, 16); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfLuminance12Alpha4us2; + fglFormat := GL_LUMINANCE_ALPHA; + fglInternalFormat := GL_LUMINANCE12_ALPHA4; + fglDataFormat := GL_UNSIGNED_SHORT; +{$ELSE} + fOpenGLFormat := tfLuminance8Alpha8ub2; +{$ENDIF} +end; + +procedure TfdLuminance16Alpha16us2.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfLuminance16Alpha16us2; + fWithAlpha := tfLuminance16Alpha16us2; + fWithoutAlpha := tfLuminance16us1; + fPrecision := glBitmapRec4ub(16, 16, 16, 16); + fShift := glBitmapRec4ub( 0, 0, 0, 16); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfLuminance16Alpha16us2; + fglFormat := GL_LUMINANCE_ALPHA; + fglInternalFormat := GL_LUMINANCE16_ALPHA16; + fglDataFormat := GL_UNSIGNED_SHORT; +{$ELSE} + fOpenGLFormat := tfLuminance8Alpha8ub2; +{$ENDIF} +end; + +procedure TfdR3G3B2ub1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 8; + fFormat := tfR3G3B2ub1; + fWithAlpha := tfRGBA4us1; + fWithoutAlpha := tfR3G3B2ub1; + fRGBInverted := tfEmpty; + fPrecision := glBitmapRec4ub(3, 3, 2, 0); + fShift := glBitmapRec4ub(5, 2, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfR3G3B2ub1; + fglFormat := GL_RGB; + fglInternalFormat := GL_R3_G3_B2; + fglDataFormat := GL_UNSIGNED_BYTE_3_3_2; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdRGBX4us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfRGBX4us1; + fWithAlpha := tfRGBA4us1; + fWithoutAlpha := tfRGBX4us1; + fRGBInverted := tfBGRX4us1; + fPrecision := glBitmapRec4ub( 4, 4, 4, 0); + fShift := glBitmapRec4ub(12, 8, 4, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfRGBX4us1; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdXRGB4us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfXRGB4us1; + fWithAlpha := tfARGB4us1; + fWithoutAlpha := tfXRGB4us1; + fRGBInverted := tfXBGR4us1; + fPrecision := glBitmapRec4ub(4, 4, 4, 0); + fShift := glBitmapRec4ub(8, 4, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfXRGB4us1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGB4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdR5G6B5us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfR5G6B5us1; + fWithAlpha := tfRGB5A1us1; + fWithoutAlpha := tfR5G6B5us1; + fRGBInverted := tfB5G6R5us1; + fPrecision := glBitmapRec4ub( 5, 6, 5, 0); + fShift := glBitmapRec4ub(11, 5, 0, 0); +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} + fOpenGLFormat := tfR5G6B5us1; + fglFormat := GL_RGB; + fglInternalFormat := GL_RGB565; + fglDataFormat := GL_UNSIGNED_SHORT_5_6_5; +{$ELSE} + fOpenGLFormat := tfRGB8ub3; +{$IFEND} +end; + +procedure TfdRGB5X1us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfRGB5X1us1; + fWithAlpha := tfRGB5A1us1; + fWithoutAlpha := tfRGB5X1us1; + fRGBInverted := tfBGR5X1us1; + fPrecision := glBitmapRec4ub( 5, 5, 5, 0); + fShift := glBitmapRec4ub(11, 6, 1, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfRGB5X1us1; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB5; + fglDataFormat := GL_UNSIGNED_SHORT_5_5_5_1; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdX1RGB5us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfX1RGB5us1; + fWithAlpha := tfA1RGB5us1; + fWithoutAlpha := tfX1RGB5us1; + fRGBInverted := tfX1BGR5us1; + fPrecision := glBitmapRec4ub( 5, 5, 5, 0); + fShift := glBitmapRec4ub(10, 5, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfX1RGB5us1; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB5; + fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdRGB8ub3.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 24; + fFormat := tfRGB8ub3; + fWithAlpha := tfRGBA8ub4; + fWithoutAlpha := tfRGB8ub3; + fRGBInverted := tfBGR8ub3; + fPrecision := glBitmapRec4ub(8, 8, 8, 0); + fShift := glBitmapRec4ub(0, 8, 16, 0); + fOpenGLFormat := tfRGB8ub3; + fglFormat := GL_RGB; + fglInternalFormat := {$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)}GL_RGB8{$ELSE}GL_RGB{$IFEND}; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +procedure TfdRGBX8ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfRGBX8ui1; + fWithAlpha := tfRGBA8ui1; + fWithoutAlpha := tfRGBX8ui1; + fRGBInverted := tfBGRX8ui1; + fPrecision := glBitmapRec4ub( 8, 8, 8, 0); + fShift := glBitmapRec4ub(24, 16, 8, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfRGBX8ui1; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB8; + fglDataFormat := GL_UNSIGNED_INT_8_8_8_8; +{$ELSE} + fOpenGLFormat := tfRGB8ub3; +{$ENDIF} +end; + +procedure TfdXRGB8ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfXRGB8ui1; + fWithAlpha := tfXRGB8ui1; + fWithoutAlpha := tfXRGB8ui1; + fOpenGLFormat := tfXRGB8ui1; + fRGBInverted := tfXBGR8ui1; + fPrecision := glBitmapRec4ub( 8, 8, 8, 0); + fShift := glBitmapRec4ub(16, 8, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfXRGB8ui1; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB8; + fglDataFormat := GL_UNSIGNED_INT_8_8_8_8_REV; +{$ELSE} + fOpenGLFormat := tfRGB8ub3; +{$ENDIF} +end; + +procedure TfdRGB10X2ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfRGB10X2ui1; + fWithAlpha := tfRGB10A2ui1; + fWithoutAlpha := tfRGB10X2ui1; + fRGBInverted := tfBGR10X2ui1; + fPrecision := glBitmapRec4ub(10, 10, 10, 0); + fShift := glBitmapRec4ub(22, 12, 2, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfRGB10X2ui1; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB10; + fglDataFormat := GL_UNSIGNED_INT_10_10_10_2; +{$ELSE} + fOpenGLFormat := tfRGB16us3; +{$ENDIF} +end; + +procedure TfdX2RGB10ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfX2RGB10ui1; + fWithAlpha := tfA2RGB10ui1; + fWithoutAlpha := tfX2RGB10ui1; + fRGBInverted := tfX2BGR10ui1; + fPrecision := glBitmapRec4ub(10, 10, 10, 0); + fShift := glBitmapRec4ub(20, 10, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfX2RGB10ui1; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB10; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +{$ELSE} + fOpenGLFormat := tfRGB16us3; +{$ENDIF} +end; + +procedure TfdRGB16us3.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 48; + fFormat := tfRGB16us3; + fWithAlpha := tfRGBA16us4; + fWithoutAlpha := tfRGB16us3; + fRGBInverted := tfBGR16us3; + fPrecision := glBitmapRec4ub(16, 16, 16, 0); + fShift := glBitmapRec4ub( 0, 16, 32, 0); +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} + fOpenGLFormat := tfRGB16us3; + fglFormat := GL_RGB; + fglInternalFormat := {$IFNDEF OPENGL_ES}GL_RGB16{$ELSE}GL_RGB16UI{$ENDIF}; + fglDataFormat := GL_UNSIGNED_SHORT; +{$ELSE} + fOpenGLFormat := tfRGB8ub3; +{$IFEND} +end; + +procedure TfdRGBA4us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfRGBA4us1; + fWithAlpha := tfRGBA4us1; + fWithoutAlpha := tfRGBX4us1; + fOpenGLFormat := tfRGBA4us1; + fRGBInverted := tfBGRA4us1; + fPrecision := glBitmapRec4ub( 4, 4, 4, 4); + fShift := glBitmapRec4ub(12, 8, 4, 0); + fglFormat := GL_RGBA; + fglInternalFormat := {$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)}GL_RGBA8{$ELSE}GL_RGBA{$IFEND}; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4; +end; + +procedure TfdARGB4us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfARGB4us1; + fWithAlpha := tfARGB4us1; + fWithoutAlpha := tfXRGB4us1; + fRGBInverted := tfABGR4us1; + fPrecision := glBitmapRec4ub( 4, 4, 4, 4); + fShift := glBitmapRec4ub( 8, 4, 0, 12); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfARGB4us1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGBA4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; +{$ELSE} + fOpenGLFormat := tfRGBA4us1; +{$ENDIF} +end; + +procedure TfdRGB5A1us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfRGB5A1us1; + fWithAlpha := tfRGB5A1us1; + fWithoutAlpha := tfRGB5X1us1; + fOpenGLFormat := tfRGB5A1us1; + fRGBInverted := tfBGR5A1us1; + fPrecision := glBitmapRec4ub( 5, 5, 5, 1); + fShift := glBitmapRec4ub(11, 6, 1, 0); + fglFormat := GL_RGBA; + fglInternalFormat := {$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)}GL_RGB5_A1{$ELSE}GL_RGBA{$IFEND}; + fglDataFormat := GL_UNSIGNED_SHORT_5_5_5_1; +end; + +procedure TfdA1RGB5us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfA1RGB5us1; + fWithAlpha := tfA1RGB5us1; + fWithoutAlpha := tfX1RGB5us1; + fRGBInverted := tfA1BGR5us1; + fPrecision := glBitmapRec4ub( 5, 5, 5, 1); + fShift := glBitmapRec4ub(10, 5, 0, 15); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfA1RGB5us1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGB5_A1; + fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; +{$ELSE} + fOpenGLFormat := tfRGB5A1us1; +{$ENDIF} +end; + +procedure TfdRGBA8ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfRGBA8ui1; + fWithAlpha := tfRGBA8ui1; + fWithoutAlpha := tfRGBX8ui1; + fRGBInverted := tfBGRA8ui1; + fPrecision := glBitmapRec4ub( 8, 8, 8, 8); + fShift := glBitmapRec4ub(24, 16, 8, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfRGBA8ui1; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGBA8; + fglDataFormat := GL_UNSIGNED_INT_8_8_8_8; +{$ELSE} + fOpenGLFormat := tfRGBA8ub4; +{$ENDIF} +end; + +procedure TfdARGB8ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfARGB8ui1; + fWithAlpha := tfARGB8ui1; + fWithoutAlpha := tfXRGB8ui1; + fRGBInverted := tfABGR8ui1; + fPrecision := glBitmapRec4ub( 8, 8, 8, 8); + fShift := glBitmapRec4ub(16, 8, 0, 24); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfARGB8ui1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGBA8; + fglDataFormat := GL_UNSIGNED_INT_8_8_8_8_REV; +{$ELSE} + fOpenGLFormat := tfRGBA8ub4; +{$ENDIF} +end; + +procedure TfdRGBA8ub4.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfRGBA8ub4; + fWithAlpha := tfRGBA8ub4; + fWithoutAlpha := tfRGB8ub3; + fOpenGLFormat := tfRGBA8ub4; + fRGBInverted := tfBGRA8ub4; + fPrecision := glBitmapRec4ub( 8, 8, 8, 8); + fShift := glBitmapRec4ub( 0, 8, 16, 24); + fglFormat := GL_RGBA; + fglInternalFormat := {$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)}GL_RGBA8{$ELSE}GL_RGBA{$IFEND}; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +procedure TfdRGB10A2ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfRGB10A2ui1; + fWithAlpha := tfRGB10A2ui1; + fWithoutAlpha := tfRGB10X2ui1; + fRGBInverted := tfBGR10A2ui1; + fPrecision := glBitmapRec4ub(10, 10, 10, 2); + fShift := glBitmapRec4ub(22, 12, 2, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfRGB10A2ui1; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGB10_A2; + fglDataFormat := GL_UNSIGNED_INT_10_10_10_2; +{$ELSE} + fOpenGLFormat := tfA2RGB10ui1; +{$ENDIF} +end; + +procedure TfdA2RGB10ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfA2RGB10ui1; + fWithAlpha := tfA2RGB10ui1; + fWithoutAlpha := tfX2RGB10ui1; + fRGBInverted := tfA2BGR10ui1; + fPrecision := glBitmapRec4ub(10, 10, 10, 2); + fShift := glBitmapRec4ub(20, 10, 0, 30); +{$IF NOT DEFINED(OPENGL_ES)} + fOpenGLFormat := tfA2RGB10ui1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGB10_A2; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +{$ELSEIF DEFINED(OPENGL_ES_3_0)} + fOpenGLFormat := tfA2RGB10ui1; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGB10_A2; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +{$ELSE} + fOpenGLFormat := tfRGBA8ui1; +{$IFEND} +end; + +procedure TfdRGBA16us4.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 64; + fFormat := tfRGBA16us4; + fWithAlpha := tfRGBA16us4; + fWithoutAlpha := tfRGB16us3; + fRGBInverted := tfBGRA16us4; + fPrecision := glBitmapRec4ub(16, 16, 16, 16); + fShift := glBitmapRec4ub( 0, 16, 32, 48); +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} + fOpenGLFormat := tfRGBA16us4; + fglFormat := GL_RGBA; + fglInternalFormat := {$IFNDEF OPENGL_ES}GL_RGBA16{$ELSE}GL_RGBA16UI{$ENDIF}; + fglDataFormat := GL_UNSIGNED_SHORT; +{$ELSE} + fOpenGLFormat := tfRGBA8ub4; +{$IFEND} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRX4us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfBGRX4us1; + fWithAlpha := tfBGRA4us1; + fWithoutAlpha := tfBGRX4us1; + fRGBInverted := tfRGBX4us1; + fPrecision := glBitmapRec4ub( 4, 4, 4, 0); + fShift := glBitmapRec4ub( 4, 8, 12, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGRX4us1; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdXBGR4us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfXBGR4us1; + fWithAlpha := tfABGR4us1; + fWithoutAlpha := tfXBGR4us1; + fRGBInverted := tfXRGB4us1; + fPrecision := glBitmapRec4ub( 4, 4, 4, 0); + fShift := glBitmapRec4ub( 0, 4, 8, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfXBGR4us1; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdB5G6R5us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfB5G6R5us1; + fWithAlpha := tfBGR5A1us1; + fWithoutAlpha := tfB5G6R5us1; + fRGBInverted := tfR5G6B5us1; + fPrecision := glBitmapRec4ub( 5, 6, 5, 0); + fShift := glBitmapRec4ub( 0, 5, 11, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfB5G6R5us1; + fglFormat := GL_RGB; + fglInternalFormat := GL_RGB565; + fglDataFormat := GL_UNSIGNED_SHORT_5_6_5_REV; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdBGR5X1us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfBGR5X1us1; + fWithAlpha := tfBGR5A1us1; + fWithoutAlpha := tfBGR5X1us1; + fRGBInverted := tfRGB5X1us1; + fPrecision := glBitmapRec4ub( 5, 5, 5, 0); + fShift := glBitmapRec4ub( 1, 6, 11, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGR5X1us1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGB5; + fglDataFormat := GL_UNSIGNED_SHORT_5_5_5_1; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdX1BGR5us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfX1BGR5us1; + fWithAlpha := tfA1BGR5us1; + fWithoutAlpha := tfX1BGR5us1; + fRGBInverted := tfX1RGB5us1; + fPrecision := glBitmapRec4ub( 5, 5, 5, 0); + fShift := glBitmapRec4ub( 0, 5, 10, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfX1BGR5us1; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB5; + fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; +{$ELSE} + fOpenGLFormat := tfR5G6B5us1; +{$ENDIF} +end; + +procedure TfdBGR8ub3.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 24; + fFormat := tfBGR8ub3; + fWithAlpha := tfBGRA8ub4; + fWithoutAlpha := tfBGR8ub3; + fRGBInverted := tfRGB8ub3; + fPrecision := glBitmapRec4ub( 8, 8, 8, 0); + fShift := glBitmapRec4ub(16, 8, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGR8ub3; + fglFormat := GL_BGR; + fglInternalFormat := GL_RGB8; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := tfRGB8ub3; +{$ENDIF} +end; + +procedure TfdBGRX8ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfBGRX8ui1; + fWithAlpha := tfBGRA8ui1; + fWithoutAlpha := tfBGRX8ui1; + fRGBInverted := tfRGBX8ui1; + fPrecision := glBitmapRec4ub( 8, 8, 8, 0); + fShift := glBitmapRec4ub( 8, 16, 24, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGRX8ui1; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB8; + fglDataFormat := GL_UNSIGNED_INT_8_8_8_8; +{$ELSE} + fOpenGLFormat := tfRGB8ub3; +{$ENDIF} +end; + +procedure TfdXBGR8ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfXBGR8ui1; + fWithAlpha := tfABGR8ui1; + fWithoutAlpha := tfXBGR8ui1; + fRGBInverted := tfXRGB8ui1; + fPrecision := glBitmapRec4ub( 8, 8, 8, 0); + fShift := glBitmapRec4ub( 0, 8, 16, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfXBGR8ui1; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB8; + fglDataFormat := GL_UNSIGNED_INT_8_8_8_8_REV; +{$ELSE} + fOpenGLFormat := tfRGB8ub3; +{$ENDIF} +end; + +procedure TfdBGR10X2ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfBGR10X2ui1; + fWithAlpha := tfBGR10A2ui1; + fWithoutAlpha := tfBGR10X2ui1; + fRGBInverted := tfRGB10X2ui1; + fPrecision := glBitmapRec4ub(10, 10, 10, 0); + fShift := glBitmapRec4ub( 2, 12, 22, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGR10X2ui1; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB10; + fglDataFormat := GL_UNSIGNED_INT_10_10_10_2; +{$ELSE} + fOpenGLFormat := tfRGB16us3; +{$ENDIF} +end; + +procedure TfdX2BGR10ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfX2BGR10ui1; + fWithAlpha := tfA2BGR10ui1; + fWithoutAlpha := tfX2BGR10ui1; + fRGBInverted := tfX2RGB10ui1; + fPrecision := glBitmapRec4ub(10, 10, 10, 0); + fShift := glBitmapRec4ub( 0, 10, 20, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfX2BGR10ui1; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB10; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +{$ELSE} + fOpenGLFormat := tfRGB16us3; +{$ENDIF} +end; + +procedure TfdBGR16us3.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 48; + fFormat := tfBGR16us3; + fWithAlpha := tfBGRA16us4; + fWithoutAlpha := tfBGR16us3; + fRGBInverted := tfRGB16us3; + fPrecision := glBitmapRec4ub(16, 16, 16, 0); + fShift := glBitmapRec4ub(32, 16, 0, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGR16us3; + fglFormat := GL_BGR; + fglInternalFormat := GL_RGB16; + fglDataFormat := GL_UNSIGNED_SHORT; +{$ELSE} + fOpenGLFormat := tfRGB16us3; +{$ENDIF} +end; + +procedure TfdBGRA4us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfBGRA4us1; + fWithAlpha := tfBGRA4us1; + fWithoutAlpha := tfBGRX4us1; + fRGBInverted := tfRGBA4us1; + fPrecision := glBitmapRec4ub( 4, 4, 4, 4); + fShift := glBitmapRec4ub( 4, 8, 12, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGRA4us1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGBA4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4; +{$ELSE} + fOpenGLFormat := tfRGBA4us1; +{$ENDIF} +end; + +procedure TfdABGR4us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfABGR4us1; + fWithAlpha := tfABGR4us1; + fWithoutAlpha := tfXBGR4us1; + fRGBInverted := tfARGB4us1; + fPrecision := glBitmapRec4ub( 4, 4, 4, 4); + fShift := glBitmapRec4ub( 0, 4, 8, 12); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfABGR4us1; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGBA4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; +{$ELSE} + fOpenGLFormat := tfRGBA4us1; +{$ENDIF} +end; + +procedure TfdBGR5A1us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfBGR5A1us1; + fWithAlpha := tfBGR5A1us1; + fWithoutAlpha := tfBGR5X1us1; + fRGBInverted := tfRGB5A1us1; + fPrecision := glBitmapRec4ub( 5, 5, 5, 1); + fShift := glBitmapRec4ub( 1, 6, 11, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGR5A1us1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGB5_A1; + fglDataFormat := GL_UNSIGNED_SHORT_5_5_5_1; +{$ELSE} + fOpenGLFormat := tfRGB5A1us1; +{$ENDIF} +end; + +procedure TfdA1BGR5us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfA1BGR5us1; + fWithAlpha := tfA1BGR5us1; + fWithoutAlpha := tfX1BGR5us1; + fRGBInverted := tfA1RGB5us1; + fPrecision := glBitmapRec4ub( 5, 5, 5, 1); + fShift := glBitmapRec4ub( 0, 5, 10, 15); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfA1BGR5us1; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGB5_A1; + fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; +{$ELSE} + fOpenGLFormat := tfRGB5A1us1; +{$ENDIF} +end; + +procedure TfdBGRA8ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfBGRA8ui1; + fWithAlpha := tfBGRA8ui1; + fWithoutAlpha := tfBGRX8ui1; + fRGBInverted := tfRGBA8ui1; + fPrecision := glBitmapRec4ub( 8, 8, 8, 8); + fShift := glBitmapRec4ub( 8, 16, 24, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGRA8ui1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGBA8; + fglDataFormat := GL_UNSIGNED_INT_8_8_8_8; +{$ELSE} + fOpenGLFormat := tfRGBA8ub4; +{$ENDIF} +end; + +procedure TfdABGR8ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfABGR8ui1; + fWithAlpha := tfABGR8ui1; + fWithoutAlpha := tfXBGR8ui1; + fRGBInverted := tfARGB8ui1; + fPrecision := glBitmapRec4ub( 8, 8, 8, 8); + fShift := glBitmapRec4ub( 0, 8, 16, 24); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfABGR8ui1; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGBA8; + fglDataFormat := GL_UNSIGNED_INT_8_8_8_8_REV; +{$ELSE} + fOpenGLFormat := tfRGBA8ub4 +{$ENDIF} +end; + +procedure TfdBGRA8ub4.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfBGRA8ub4; + fWithAlpha := tfBGRA8ub4; + fWithoutAlpha := tfBGR8ub3; + fRGBInverted := tfRGBA8ub4; + fPrecision := glBitmapRec4ub( 8, 8, 8, 8); + fShift := glBitmapRec4ub(16, 8, 0, 24); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGRA8ub4; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGBA8; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := tfRGBA8ub4; +{$ENDIF} +end; + +procedure TfdBGR10A2ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfBGR10A2ui1; + fWithAlpha := tfBGR10A2ui1; + fWithoutAlpha := tfBGR10X2ui1; + fRGBInverted := tfRGB10A2ui1; + fPrecision := glBitmapRec4ub(10, 10, 10, 2); + fShift := glBitmapRec4ub( 2, 12, 22, 0); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGR10A2ui1; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGB10_A2; + fglDataFormat := GL_UNSIGNED_INT_10_10_10_2; +{$ELSE} + fOpenGLFormat := tfA2RGB10ui1; +{$ENDIF} +end; + +procedure TfdA2BGR10ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfA2BGR10ui1; + fWithAlpha := tfA2BGR10ui1; + fWithoutAlpha := tfX2BGR10ui1; + fRGBInverted := tfA2RGB10ui1; + fPrecision := glBitmapRec4ub(10, 10, 10, 2); + fShift := glBitmapRec4ub( 0, 10, 20, 30); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfA2BGR10ui1; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGB10_A2; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +{$ELSE} + fOpenGLFormat := tfA2RGB10ui1; +{$ENDIF} +end; + +procedure TfdBGRA16us4.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 64; + fFormat := tfBGRA16us4; + fWithAlpha := tfBGRA16us4; + fWithoutAlpha := tfBGR16us3; + fRGBInverted := tfRGBA16us4; + fPrecision := glBitmapRec4ub(16, 16, 16, 16); + fShift := glBitmapRec4ub(32, 16, 0, 48); +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfBGRA16us4; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGBA16; + fglDataFormat := GL_UNSIGNED_SHORT; +{$ELSE} + fOpenGLFormat := tfRGBA16us4; +{$ENDIF} +end; + +procedure TfdDepth16us1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 16; + fFormat := tfDepth16us1; + fWithoutAlpha := tfDepth16us1; + fPrecision := glBitmapRec4ub(16, 16, 16, 16); + fShift := glBitmapRec4ub( 0, 0, 0, 0); +{$IF NOT DEFINED (OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} + fOpenGLFormat := tfDepth16us1; + fglFormat := GL_DEPTH_COMPONENT; + fglInternalFormat := GL_DEPTH_COMPONENT16; + fglDataFormat := GL_UNSIGNED_SHORT; +{$IFEND} +end; + +procedure TfdDepth24ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfDepth24ui1; + fWithoutAlpha := tfDepth24ui1; + fOpenGLFormat := tfDepth24ui1; + fPrecision := glBitmapRec4ub(32, 32, 32, 32); + fShift := glBitmapRec4ub( 0, 0, 0, 0); +{$IF NOT DEFINED (OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} + fOpenGLFormat := tfDepth24ui1; + fglFormat := GL_DEPTH_COMPONENT; + fglInternalFormat := GL_DEPTH_COMPONENT24; + fglDataFormat := GL_UNSIGNED_INT; +{$IFEND} +end; + +procedure TfdDepth32ui1.SetValues; +begin + inherited SetValues; + fBitsPerPixel := 32; + fFormat := tfDepth32ui1; + fWithoutAlpha := tfDepth32ui1; + fPrecision := glBitmapRec4ub(32, 32, 32, 32); + fShift := glBitmapRec4ub( 0, 0, 0, 0); +{$IF NOT DEFINED(OPENGL_ES)} + fOpenGLFormat := tfDepth32ui1; + fglFormat := GL_DEPTH_COMPONENT; + fglInternalFormat := GL_DEPTH_COMPONENT32; + fglDataFormat := GL_UNSIGNED_INT; +{$ELSEIF DEFINED(OPENGL_ES_3_0)} + fOpenGLFormat := tfDepth24ui1; +{$ELSEIF DEFINED(OPENGL_ES_2_0)} + fOpenGLFormat := tfDepth16us1; +{$IFEND} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdS3tcDtx1RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdS3tcDtx1RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +procedure TfdS3tcDtx1RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; -function glBitmapCreateRWops(Stream: TStream): PSDL_RWops; +procedure TfdS3tcDtx1RGBA.SetValues; begin - Result := SDL_AllocRW; + inherited SetValues; + fFormat := tfS3tcDtx1RGBA; + fWithAlpha := tfS3tcDtx1RGBA; + fUncompressed := tfRGB5A1us1; + fBitsPerPixel := 4; + fIsCompressed := true; +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfS3tcDtx1RGBA; + fglFormat := GL_COMPRESSED_RGBA; + fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := fUncompressed; +{$ENDIF} +end; - if Result = nil then - raise EglBitmapException.Create('glBitmapCreateRWops - SDL_AllocRW failed.'); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdS3tcDtx3RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdS3tcDtx3RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; - Result^.seek := glBitmapRWseek; - Result^.read := glBitmapRWread; - Result^.write := glBitmapRWwrite; - Result^.close := glBitmapRWclose; - Result^.unknown.data1 := Stream; +procedure TfdS3tcDtx3RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); end; -{$endif} +procedure TfdS3tcDtx3RGBA.SetValues; +begin + inherited SetValues; + fFormat := tfS3tcDtx3RGBA; + fWithAlpha := tfS3tcDtx3RGBA; + fUncompressed := tfRGBA8ub4; + fBitsPerPixel := 8; + fIsCompressed := true; +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfS3tcDtx3RGBA; + fglFormat := GL_COMPRESSED_RGBA; + fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := fUncompressed; +{$ENDIF} +end; -{* -** Helper functions -*} -function LoadTexture(Filename: String; var Texture: Cardinal{$ifdef GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal{$endif}): Boolean; -var - glBitmap: TglBitmap2D; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdS3tcDtx5RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdS3tcDtx5RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Result := false; - Texture := 0; + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; - {$ifdef GLB_DELPHI} - if Instance = 0 then - Instance := HInstance; +procedure TfdS3tcDtx5RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; - if (LoadFromRes) then - glBitmap := TglBitmap2D.CreateFromResourceName(Instance, FileName) - else - {$endif} - glBitmap := TglBitmap2D.Create(FileName); +procedure TfdS3tcDtx5RGBA.SetValues; +begin + inherited SetValues; + fFormat := tfS3tcDtx3RGBA; + fWithAlpha := tfS3tcDtx3RGBA; + fUncompressed := tfRGBA8ub4; + fBitsPerPixel := 8; + fIsCompressed := true; +{$IFNDEF OPENGL_ES} + fOpenGLFormat := tfS3tcDtx3RGBA; + fglFormat := GL_COMPRESSED_RGBA; + fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; + fglDataFormat := GL_UNSIGNED_BYTE; +{$ELSE} + fOpenGLFormat := fUncompressed; +{$ENDIF} +end; - try - glBitmap.DeleteTextureOnFree := False; - glBitmap.FreeDataAfterGenTexture := False; - glBitmap.GenTexture(True); - if (glBitmap.ID > 0) then begin - Texture := glBitmap.ID; - Result := True; - end; - finally - glBitmap.Free; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapFormatDescriptor.GetHasRed: Boolean; +begin + result := (fPrecision.r > 0); end; +function TglBitmapFormatDescriptor.GetHasGreen: Boolean; +begin + result := (fPrecision.g > 0); +end; -function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$ifdef GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal{$endif}): Boolean; -var - CM: TglBitmapCubeMap; +function TglBitmapFormatDescriptor.GetHasBlue: Boolean; begin - Texture := 0; + result := (fPrecision.b > 0); +end; - {$ifdef GLB_DELPHI} - if Instance = 0 then - Instance := HInstance; - {$endif} +function TglBitmapFormatDescriptor.GetHasAlpha: Boolean; +begin + result := (fPrecision.a > 0); +end; - CM := TglBitmapCubeMap.Create; - try - CM.DeleteTextureOnFree := False; - - // Maps - {$ifdef GLB_DELPHI} - if (LoadFromRes) then - CM.LoadFromResource(Instance, PositiveX) - else - {$endif} - CM.LoadFromFile(PositiveX); - CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_X); +function TglBitmapFormatDescriptor.GetHasColor: Boolean; +begin + result := HasRed or HasGreen or HasBlue; +end; - {$ifdef GLB_DELPHI} - if (LoadFromRes) then - CM.LoadFromResource(Instance, NegativeX) - else - {$endif} - CM.LoadFromFile(NegativeX); - CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_X); +function TglBitmapFormatDescriptor.GetIsGrayscale: Boolean; +begin + result := (Mask.r = Mask.g) and (Mask.g = Mask.b) and (Mask.r > 0); +end; - {$ifdef GLB_DELPHI} - if (LoadFromRes) then - CM.LoadFromResource(Instance, PositiveY) - else - {$endif} - CM.LoadFromFile(PositiveY); - CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Y); +function TglBitmapFormatDescriptor.GetHasOpenGLSupport: Boolean; +begin + result := (OpenGLFormat = Format); +end; - {$ifdef GLB_DELPHI} - if (LoadFromRes) then - CM.LoadFromResource(Instance, NegativeY) - else - {$endif} - CM.LoadFromFile(NegativeY); - CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y); +procedure TglBitmapFormatDescriptor.SetValues; +begin + fFormat := tfEmpty; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfEmpty; + fOpenGLFormat := tfEmpty; + fRGBInverted := tfEmpty; + fUncompressed := tfEmpty; - {$ifdef GLB_DELPHI} - if (LoadFromRes) then - CM.LoadFromResource(Instance, PositiveZ) - else - {$endif} - CM.LoadFromFile(PositiveZ); - CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Z); + fBitsPerPixel := 0; + fIsCompressed := false; - {$ifdef GLB_DELPHI} - if (LoadFromRes) then - CM.LoadFromResource(Instance, NegativeZ) - else - {$endif} - CM.LoadFromFile(NegativeZ); - CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z); + fglFormat := 0; + fglInternalFormat := 0; + fglDataFormat := 0; - Texture := CM.ID; - Result := True; - finally - CM.Free; - end; + FillChar(fPrecision, 0, SizeOf(fPrecision)); + FillChar(fShift, 0, SizeOf(fShift)); end; - -function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean; +procedure TglBitmapFormatDescriptor.CalcValues; var - NM: TglBitmapNormalMap; + i: Integer; begin - Texture := 0; - - NM := TglBitmapNormalMap.Create; - try - NM.DeleteTextureOnFree := False; - NM.GenerateNormalMap(Size); - - Texture := NM.ID; - Result := True; - finally - NM.Free; + fBytesPerPixel := fBitsPerPixel / 8; + fChannelCount := 0; + for i := 0 to 3 do begin + if (fPrecision.arr[i] > 0) then + inc(fChannelCount); + fRange.arr[i] := (1 shl fPrecision.arr[i]) - 1; + fMask.arr[i] := fRange.arr[i] shl fShift.arr[i]; end; end; - -{* -** Defaults -*} -procedure glBitmapSetDefaultFormat(Format: TglBitmapFormat); +function TglBitmapFormatDescriptor.GetSize(const aSize: TglBitmapSize): Integer; +var + w, h: Integer; begin - glBitmapDefaultFormat := Format; + if (ffX in aSize.Fields) or (ffY in aSize.Fields) then begin + w := Max(1, aSize.X); + h := Max(1, aSize.Y); + result := GetSize(w, h); + end else + result := 0; end; - -procedure glBitmapSetDefaultDeleteTextureOnFree(DeleteTextureOnFree: Boolean); +function TglBitmapFormatDescriptor.GetSize(const aWidth, aHeight: Integer): Integer; begin - glBitmapDefaultDeleteTextureOnFree := DeleteTextureOnFree; + result := 0; + if (aWidth <= 0) or (aHeight <= 0) then + exit; + result := Ceil(aWidth * aHeight * BytesPerPixel); end; - -procedure glBitmapSetDefaultFilter(Min, Mag: Integer); +constructor TglBitmapFormatDescriptor.Create; begin - glBitmapDefaultFilterMin := Min; - glBitmapDefaultFilterMag := Mag; + inherited Create; + SetValues; + CalcValues; end; - -procedure glBitmapSetDefaultWrap(S: Integer; T: Integer; R: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TglBitmapFormatDescriptor.GetByFormat(const aInternalFormat: GLenum): TglBitmapFormatDescriptor; +var + f: TglBitmapFormat; begin - glBitmapDefaultWrapS := S; - glBitmapDefaultWrapT := T; - glBitmapDefaultWrapR := R; + for f := Low(TglBitmapFormat) to High(TglBitmapFormat) do begin + result := TFormatDescriptor.Get(f); + if (result.glInternalFormat = aInternalFormat) then + exit; + end; + result := TFormatDescriptor.Get(tfEmpty); end; - -procedure glBitmapSetDefaultFreeDataAfterGenTexture(FreeData: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Init; begin - glBitmapDefaultFreeDataAfterGenTextures := FreeData; + if not Assigned(FormatDescriptorCS) then + FormatDescriptorCS := TCriticalSection.Create; end; - -function glBitmapGetDefaultFormat: TglBitmapFormat; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.Get(const aFormat: TglBitmapFormat): TFormatDescriptor; begin - Result := glBitmapDefaultFormat; + FormatDescriptorCS.Enter; + try + result := FormatDescriptors[aFormat]; + if not Assigned(result) then begin + result := FORMAT_DESCRIPTOR_CLASSES[aFormat].Create; + FormatDescriptors[aFormat] := result; + end; + finally + FormatDescriptorCS.Leave; + end; end; - -function glBitmapGetDefaultDeleteTextureOnFree: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.GetAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor; begin - Result := glBitmapDefaultDeleteTextureOnFree; + result := Get(Get(aFormat).WithAlpha); end; - -procedure glBitmapGetDefaultFilter(var Min, Mag: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.GetFromMask(const aMask: TglBitmapRec4ul; const aBitCount: Integer): TFormatDescriptor; +var + ft: TglBitmapFormat; begin - Min := glBitmapDefaultFilterMin; - Mag := glBitmapDefaultFilterMag; -end; + // find matching format with OpenGL support + for ft := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin + result := Get(ft); + if (result.MaskMatch(aMask)) and + (result.glFormat <> 0) and + (result.glInternalFormat <> 0) and + ((aBitCount = 0) or (aBitCount = result.BitsPerPixel)) + then + exit; + end; + // find matching format without OpenGL Support + for ft := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin + result := Get(ft); + if result.MaskMatch(aMask) and ((aBitCount = 0) or (aBitCount = result.BitsPerPixel)) then + exit; + end; -procedure glBitmapGetDefaultTextureWrap(var S, T, R: Integer); -begin - S := glBitmapDefaultWrapS; - T := glBitmapDefaultWrapT; - R := glBitmapDefaultWrapR; + result := TFormatDescriptor.Get(tfEmpty); end; - -function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.GetFromPrecShift(const aPrec, aShift: TglBitmapRec4ub; const aBitCount: Integer): TFormatDescriptor; +var + ft: TglBitmapFormat; begin - Result := glBitmapDefaultFreeDataAfterGenTextures; -end; + // find matching format with OpenGL support + for ft := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin + result := Get(ft); + if glBitmapRec4ubCompare(result.Shift, aShift) and + glBitmapRec4ubCompare(result.Precision, aPrec) and + (result.glFormat <> 0) and + (result.glInternalFormat <> 0) and + ((aBitCount = 0) or (aBitCount = result.BitsPerPixel)) + then + exit; + end; + // find matching format without OpenGL Support + for ft := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin + result := Get(ft); + if glBitmapRec4ubCompare(result.Shift, aShift) and + glBitmapRec4ubCompare(result.Precision, aPrec) and + ((aBitCount = 0) or (aBitCount = result.BitsPerPixel)) then + exit; + end; -{ TglBitmap } + result := TFormatDescriptor.Get(tfEmpty); +end; -procedure TglBitmap.AfterConstruction; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Clear; +var + f: TglBitmapFormat; begin - inherited; - - fID := 0; - fTarget := 0; - fMipMap := mmMipmap; - fIsResident := False; - - // get defaults - fFreeDataAfterGenTexture := glBitmapGetDefaultFreeDataAfterGenTexture; - fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; - - fFormat := glBitmapGetDefaultFormat; - - glBitmapGetDefaultFilter(fFilterMin, fFilterMag); - glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); + FormatDescriptorCS.Enter; + try + for f := low(FormatDescriptors) to high(FormatDescriptors) do + FreeAndNil(FormatDescriptors[f]); + finally + FormatDescriptorCS.Leave; + end; end; - -procedure TglBitmap.BeforeDestruction; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Finalize; begin - SetDataPointer(nil, ifEmpty); - - if ((ID > 0) and (fDeleteTextureOnFree)) then - glDeleteTextures(1, @ID); - - inherited; + Clear; + FreeAndNil(FormatDescriptorCS); end; - -constructor TglBitmap.Create; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TBitfieldFormat///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetCustomValues(const aBPP: Integer; aMask: TglBitmapRec4ul); +var + i: Integer; begin - {$ifndef GLB_NO_NATIVE_GL} - ReadOpenGLExtensions; - {$endif} + for i := 0 to 3 do begin + fShift.arr[i] := 0; + while (aMask.arr[i] > 0) and ((aMask.arr[i] and 1) = 0) do begin + aMask.arr[i] := aMask.arr[i] shr 1; + inc(fShift.arr[i]); + end; + fPrecision.arr[i] := CountSetBits(aMask.arr[i]); + end; + fBitsPerPixel := aBPP; + CalcValues; +end; - if (ClassType = TglBitmap) then - raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetCustomValues(const aBBP: Integer; const aPrec, aShift: TglBitmapRec4ub); +begin + fBitsPerPixel := aBBP; + fPrecision := aPrec; + fShift := aShift; + CalcValues; +end; - inherited Create; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + data: QWord; +begin + data := + ((aPixel.Data.r and Range.r) shl Shift.r) or + ((aPixel.Data.g and Range.g) shl Shift.g) or + ((aPixel.Data.b and Range.b) shl Shift.b) or + ((aPixel.Data.a and Range.a) shl Shift.a); + case BitsPerPixel of + 8: aData^ := data; + 16: PWord(aData)^ := data; + 32: PCardinal(aData)^ := data; + 64: PQWord(aData)^ := data; + else + raise EglBitmap.CreateFmt('invalid pixel size: %d', [BitsPerPixel]); + end; + inc(aData, Round(BytesPerPixel)); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + data: QWord; + i: Integer; +begin + case BitsPerPixel of + 8: data := aData^; + 16: data := PWord(aData)^; + 32: data := PCardinal(aData)^; + 64: data := PQWord(aData)^; + else + raise EglBitmap.CreateFmt('invalid pixel size: %d', [BitsPerPixel]); + end; + for i := 0 to 3 do + aPixel.Data.arr[i] := (data shr fShift.arr[i]) and Range.arr[i]; + inc(aData, Round(BytesPerPixel)); +end; -constructor TglBitmap.Create(FileName: String); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TColorTableFormat/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.SetValues; begin - Create; - LoadFromFile(FileName); + inherited SetValues; + fShift := glBitmapRec4ub(8, 8, 8, 0); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.SetCustomValues(const aFormat: TglBitmapFormat; const aBPP: Integer; const aPrec, aShift: TglBitmapRec4ub); +begin + fFormat := aFormat; + fBitsPerPixel := aBPP; + fPrecision := aPrec; + fShift := aShift; + CalcValues; +end; -constructor TglBitmap.Create(Stream: TStream); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.CalcValues; begin - Create; - LoadFromStream(Stream); + inherited CalcValues; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.CreateColorTable; +var + i: Integer; +begin + SetLength(fColorTable, 256); + if not HasColor then begin + // alpha + for i := 0 to High(fColorTable) do begin + fColorTable[i].r := Round(((i shr Shift.a) and Range.a) / Range.a * 255); + fColorTable[i].g := Round(((i shr Shift.a) and Range.a) / Range.a * 255); + fColorTable[i].b := Round(((i shr Shift.a) and Range.a) / Range.a * 255); + fColorTable[i].a := 0; + end; + end else begin + // normal + for i := 0 to High(fColorTable) do begin + fColorTable[i].r := Round(((i shr Shift.r) and Range.r) / Range.r * 255); + fColorTable[i].g := Round(((i shr Shift.g) and Range.g) / Range.g * 255); + fColorTable[i].b := Round(((i shr Shift.b) and Range.b) / Range.b * 255); + fColorTable[i].a := 0; + end; + end; +end; -{$ifdef GLB_DELPHI} -constructor TglBitmap.CreateFromResourceName(Instance: Cardinal; Resource: String; ResType: PChar); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TbmpColorTableFormat.CreateMappingData: Pointer; begin - Create; - LoadFromResource(Instance, Resource, ResType); + result := Pointer(0); end; - -constructor TglBitmap.Create(Instance: Cardinal; Resource: String; ResType: PChar); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Create; - LoadFromResource(Instance, Resource, ResType); + if (BitsPerPixel <> 8) then + raise EglBitmapUnsupportedFormat.Create('color table are only supported for 8bit formats'); + if not HasColor then + // alpha + aData^ := aPixel.Data.a + else + // normal + aData^ := Round( + ((aPixel.Data.r shr Shift.r) and Range.r) * LUMINANCE_WEIGHT_R + + ((aPixel.Data.g shr Shift.g) and Range.g) * LUMINANCE_WEIGHT_G + + ((aPixel.Data.b shr Shift.b) and Range.b) * LUMINANCE_WEIGHT_B); + inc(aData); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); + function ReadValue: Byte; + var + i: PtrUInt; + begin + if (BitsPerPixel = 8) then begin + result := aData^; + inc(aData); + end else begin + i := {%H-}PtrUInt(aMapData); + if (BitsPerPixel > 1) then + result := (aData^ shr i) and ((1 shl BitsPerPixel) - 1) + else + result := (aData^ shr (7-i)) and ((1 shl BitsPerPixel) - 1); + inc(i, BitsPerPixel); + while (i >= 8) do begin + inc(aData); + dec(i, 8); + end; + aMapData := {%H-}Pointer(i); + end; + end; -constructor TglBitmap.Create(Instance: Cardinal; ResourceID: Integer; ResType: PChar); begin - Create; - LoadFromResourceID(Instance, ResourceID, ResType); + if (BitsPerPixel > 8) then + raise EglBitmapUnsupportedFormat.Create('color table are only supported for 8bit formats'); + with fColorTable[ReadValue] do begin + aPixel.Data.r := r; + aPixel.Data.g := g; + aPixel.Data.b := b; + aPixel.Data.a := a; + end; end; -{$endif} +destructor TbmpColorTableFormat.Destroy; +begin + SetLength(fColorTable, 0); + inherited Destroy; +end; -constructor TglBitmap.Create(Size: TglBitmapPixelPosition; - Format: TglBitmapInternalFormat); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - Helper////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertPixel(var aPixel: TglBitmapPixelData; const aSourceFD, aDestFD: TFormatDescriptor); var - Image: pByte; - ImageSize: Integer; + i: Integer; begin - Create; + for i := 0 to 3 do begin + if (aSourceFD.Range.arr[i] <> aDestFD.Range.arr[i]) then begin + if (aSourceFD.Range.arr[i] > 0) then + aPixel.Data.arr[i] := Round(aPixel.Data.arr[i] / aSourceFD.Range.arr[i] * aDestFD.Range.arr[i]) + else + aPixel.Data.arr[i] := 0; + end; + end; +end; - ImageSize := FormatGetImageSize(Size, Format); - GetMem(Image, ImageSize); - try - FillChar(Image^, ImageSize, #$FF); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertCopyFunc(var aFuncRec: TglBitmapFunctionRec); +begin + with aFuncRec do begin + if (Source.Range.r > 0) then + Dest.Data.r := Source.Data.r; + if (Source.Range.g > 0) then + Dest.Data.g := Source.Data.g; + if (Source.Range.b > 0) then + Dest.Data.b := Source.Data.b; + if (Source.Range.a > 0) then + Dest.Data.a := Source.Data.a; + end; +end; - SetDataPointer(Image, Format, Size.X, Size.Y); - except - FreeMem(Image); - raise; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertCalculateRGBAFunc(var aFuncRec: TglBitmapFunctionRec); +var + i: Integer; +begin + with aFuncRec do begin + for i := 0 to 3 do + if (Source.Range.arr[i] > 0) then + Dest.Data.arr[i] := Round(Dest.Range.arr[i] * Source.Data.arr[i] / Source.Range.arr[i]); end; end; +type + TShiftData = packed record + case Integer of + 0: (r, g, b, a: SmallInt); + 1: (arr: array[0..3] of SmallInt); + end; + PShiftData = ^TShiftData; -constructor TglBitmap.Create(Size: TglBitmapPixelPosition; - Format: TglBitmapInternalFormat; Func: TglBitmapFunction; CustomData: Pointer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertShiftRGBAFunc(var aFuncRec: TglBitmapFunctionRec); +var + i: Integer; begin - Create; - LoadFromFunc(Size, Func, Format, CustomData); + with aFuncRec do + for i := 0 to 3 do + if (Source.Range.arr[i] > 0) then + Dest.Data.arr[i] := Source.Data.arr[i] shr PShiftData(Args)^.arr[i]; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapInvertFunc(var aFuncRec: TglBitmapFunctionRec); +var + i: Integer; +begin + with aFuncRec do begin + Dest.Data := Source.Data; + for i := 0 to 3 do + if ({%H-}PtrUInt(Args) and (1 shl i) > 0) then + Dest.Data.arr[i] := Dest.Data.arr[i] xor Dest.Range.arr[i]; + end; +end; -function TglBitmap.Clone: TglBitmap; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapFillWithColorFunc(var aFuncRec: TglBitmapFunctionRec); var - Temp: TglBitmap; - TempPtr: pByte; - Size: Integer; + i: Integer; begin - Temp := ClassType.Create as TglBitmap; - try - // copy texture data if assigned - if Assigned(Data) then begin - Size := FormatGetImageSize(glBitmapPosition(Width, Height), InternalFormat); + with aFuncRec do begin + for i := 0 to 3 do + Dest.Data.arr[i] := PglBitmapPixelData(Args)^.Data.arr[i]; + end; +end; - GetMem(TempPtr, Size); - try - Move(Data^, TempPtr^, Size); - Temp.SetDataPointer(TempPtr, InternalFormat, Width, Height); - except - FreeMem(TempPtr); - raise; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapAlphaFunc(var FuncRec: TglBitmapFunctionRec); +var + Temp: Single; +begin + with FuncRec do begin + if (FuncRec.Args = nil) then begin //source has no alpha + Temp := + Source.Data.r / Source.Range.r * ALPHA_WEIGHT_R + + Source.Data.g / Source.Range.g * ALPHA_WEIGHT_G + + Source.Data.b / Source.Range.b * ALPHA_WEIGHT_B; + Dest.Data.a := Round(Dest.Range.a * Temp); end else - Temp.SetDataPointer(nil, InternalFormat, Width, Height); + Dest.Data.a := Round(Source.Data.a / Source.Range.a * Dest.Range.a); + end; +end; - // copy properties - Temp.fID := ID; - Temp.fTarget := Target; - Temp.fFormat := Format; - Temp.fMipMap := MipMap; - Temp.fAnisotropic := Anisotropic; - Temp.fBorderColor := fBorderColor; - Temp.fDeleteTextureOnFree := DeleteTextureOnFree; - Temp.fFreeDataAfterGenTexture := FreeDataAfterGenTexture; - Temp.fFilterMin := fFilterMin; - Temp.fFilterMag := fFilterMag; - Temp.fWrapS := fWrapS; - Temp.fWrapT := fWrapT; - Temp.fWrapR := fWrapR; - Temp.fFilename := fFilename; - Temp.fCustomName := fCustomName; - Temp.fCustomNameW := fCustomNameW; - Temp.fCustomDataPointer := fCustomDataPointer; - - Result := Temp; - except - FreeAndNil(Temp); - raise; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapColorKeyAlphaFunc(var FuncRec: TglBitmapFunctionRec); +type + PglBitmapPixelData = ^TglBitmapPixelData; +begin + with FuncRec do begin + Dest.Data.r := Source.Data.r; + Dest.Data.g := Source.Data.g; + Dest.Data.b := Source.Data.b; + + with PglBitmapPixelData(Args)^ do + if ((Dest.Data.r <= Data.r) and (Dest.Data.r >= Range.r) and + (Dest.Data.g <= Data.g) and (Dest.Data.g >= Range.g) and + (Dest.Data.b <= Data.b) and (Dest.Data.b >= Range.b)) then + Dest.Data.a := 0 + else + Dest.Data.a := Dest.Range.a; end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapValueAlphaFunc(var FuncRec: TglBitmapFunctionRec); +begin + with FuncRec do begin + Dest.Data.r := Source.Data.r; + Dest.Data.g := Source.Data.g; + Dest.Data.b := Source.Data.b; + Dest.Data.a := PCardinal(Args)^; + end; +end; -procedure TglBitmap.LoadFromFile(FileName: String); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure SwapRGB(aData: PByte; aWidth: Integer; const aHasAlpha: Boolean); +type + PRGBPix = ^TRGBPix; + TRGBPix = array [0..2] of byte; var - FS: TFileStream; + Temp: Byte; begin - fFilename := FileName; + while aWidth > 0 do begin + Temp := PRGBPix(aData)^[0]; + PRGBPix(aData)^[0] := PRGBPix(aData)^[2]; + PRGBPix(aData)^[2] := Temp; - FS := TFileStream.Create(FileName, fmOpenRead); - try - FS.Position := 0; - - LoadFromStream(FS); - finally - FS.Free; + if aHasAlpha then + Inc(aData, 4) + else + Inc(aData, 3); + dec(aWidth); end; end; - -procedure TglBitmap.LoadFromStream(Stream: TStream); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapData/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.GetFormatDescriptor: TglBitmapFormatDescriptor; begin - {$ifdef GLB_SUPPORT_PNG_READ} - if not LoadPNG(Stream) then - {$endif} - {$ifdef GLB_SUPPORT_JPEG_READ} - if not LoadJPEG(Stream) then - {$endif} - if not LoadDDS(Stream) then - if not LoadTGA(Stream) then - if not LoadBMP(Stream) then - raise EglBitmapException.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); + result := TFormatDescriptor.Get(fFormat); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.GetWidth: Integer; +begin + if (ffX in fDimension.Fields) then + result := fDimension.X + else + result := -1; +end; -{$ifdef GLB_DELPHI} -procedure TglBitmap.LoadFromResource(Instance: Cardinal; Resource: String; ResType: PChar); -var - RS: TResourceStream; - TempPos: Integer; - ResTypeStr: String; - TempResType: PChar; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.GetHeight: Integer; begin - if Assigned(ResType) then - TempResType := ResType + if (ffY in fDimension.Fields) then + result := fDimension.Y else - begin - TempPos := Pos('.', Resource); - ResTypeStr := UpperCase(Copy(Resource, TempPos + 1, Length(Resource) - TempPos)); - Resource := UpperCase(Copy(Resource, 0, TempPos -1)); - TempResType := PChar(ResTypeStr); - end; + result := -1; +end; - RS := TResourceStream.Create(Instance, Resource, TempResType); - try - LoadFromStream(RS); - finally - RS.Free; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.GetScanlines(const aIndex: Integer): PByte; +begin + if fHasScanlines and (aIndex >= Low(fScanlines)) and (aIndex <= High(fScanlines)) then + result := fScanlines[aIndex] + else + result := nil; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SetFormat(const aValue: TglBitmapFormat); +begin + if fFormat = aValue then + exit; + if TFormatDescriptor.Get(Format).BitsPerPixel <> TFormatDescriptor.Get(aValue).BitsPerPixel then + raise EglBitmapUnsupportedFormat.Create(Format); + SetData(fData, aValue, Width, Height); +end; -procedure TglBitmap.LoadFromResourceID(Instance: Cardinal; ResourceID: Integer; ResType: PChar); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.PrepareResType(var aResource: String; var aResType: PChar); var - RS: TResourceStream; + TempPos: Integer; begin - RS := TResourceStream.CreateFromID(Instance, ResourceID, ResType); - try - LoadFromStream(RS); - finally - RS.Free; + if not Assigned(aResType) then begin + TempPos := Pos('.', aResource); + aResType := PChar(UpperCase(Copy(aResource, TempPos + 1, Length(aResource) - TempPos))); + aResource := UpperCase(Copy(aResource, 0, TempPos -1)); end; end; -{$endif} - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.UpdateScanlines; +var + w, h, i, LineWidth: Integer; +begin + w := Width; + h := Height; + fHasScanlines := Assigned(fData) and (w > 0) and (h > 0); + if fHasScanlines then begin + SetLength(fScanlines, h); + LineWidth := Trunc(w * FormatDescriptor.BytesPerPixel); + for i := 0 to h-1 do begin + fScanlines[i] := fData; + Inc(fScanlines[i], i * LineWidth); + end; + end else + SetLength(fScanlines, 0); +end; -procedure TglBitmap.LoadFromFunc(Size: TglBitmapPixelPosition; - Func: TglBitmapFunction; Format: TglBitmapInternalFormat; CustomData: Pointer); +{$IFDEF GLB_SUPPORT_PNG_READ} +{$IF DEFINED(GLB_LAZ_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//PNG///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadPNG(const aStream: TStream): Boolean; +const + MAGIC_LEN = 8; + PNG_MAGIC: String[MAGIC_LEN] = #$89#$50#$4E#$47#$0D#$0A#$1A#$0A; var - Image: pByte; - ImageSize: Integer; + reader: TLazReaderPNG; + intf: TLazIntfImage; + StreamPos: Int64; + magic: String[MAGIC_LEN]; begin - ImageSize := FormatGetImageSize(Size, Format); - GetMem(Image, ImageSize); - try - FillChar(Image^, ImageSize, #$FF); - - SetDataPointer(Image, Format, Size.X, Size.Y); + result := true; + StreamPos := aStream.Position; + + SetLength(magic, MAGIC_LEN); + aStream.Read(magic[1], MAGIC_LEN); + aStream.Position := StreamPos; + if (magic <> PNG_MAGIC) then begin + result := false; + exit; + end; + + intf := TLazIntfImage.Create(0, 0); + reader := TLazReaderPNG.Create; + try try + reader.UpdateDescription := true; + reader.ImageRead(aStream, intf); + AssignFromLazIntfImage(intf); except - FreeMem(Image); - raise; + result := false; + aStream.Position := StreamPos; + exit; + end; + finally + reader.Free; + intf.Free; end; - - AddFunc(Self, Func, False, Format, CustomData) end; - -procedure TglBitmap.SaveToFile(FileName: String; FileType: TglBitmapFileType); +{$ELSEIF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadPNG(const aStream: TStream): Boolean; var - FS: TFileStream; + Surface: PSDL_Surface; + RWops: PSDL_RWops; begin - FS := TFileStream.Create(FileName, fmCreate); + result := false; + RWops := glBitmapCreateRWops(aStream); try - FS.Position := 0; - SaveToStream(FS, FileType); + if IMG_isPNG(RWops) > 0 then begin + Surface := IMG_LoadPNG_RW(RWops); + try + AssignFromSurface(Surface); + result := true; + finally + SDL_FreeSurface(Surface); + end; + end; finally - FS.Free; + SDL_FreeRW(RWops); end; end; - -procedure TglBitmap.SaveToStream(Stream: TStream; FileType: TglBitmapFileType); +{$ELSEIF DEFINED(GLB_LIB_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libPNG_read_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; begin - case FileType of - {$ifdef GLB_SUPPORT_PNG_WRITE} - ftPNG: SavePng(Stream); - {$endif} - {$ifdef GLB_SUPPORT_JPEG_WRITE} - ftJPEG: SaveJPEG(Stream); - {$endif} - ftDDS: SaveDDS(Stream); - ftTGA: SaveTGA(Stream); - ftBMP: SaveBMP(Stream); - end; + TStream(png_get_io_ptr(png)).Read(buffer^, size); end; - -{$ifdef GLB_SDL} -function TglBitmap.AssignToSurface(out Surface: PSDL_Surface): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadPNG(const aStream: TStream): Boolean; var - Row, RowSize: Integer; - pSource, pData: PByte; - TempDepth: Integer; - Pix: TglBitmapPixelData; + StreamPos: Int64; + signature: array [0..7] of byte; + png: png_structp; + png_info: png_infop; - function GetRowPointer(Row: Integer): pByte; - begin - Result := Surface.pixels; - Inc(Result, Row * RowSize); - end; + TempHeight, TempWidth: Integer; + Format: TglBitmapFormat; + png_data: pByte; + png_rows: array of pByte; + Row, LineSize: Integer; begin - Result := False; + result := false; - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('AssignToSurface - ' + UNSUPPORTED_INTERNAL_FORMAT); + if not init_libPNG then + raise Exception.Create('LoadPNG - unable to initialize libPNG.'); - if Assigned(Data) then begin - case Trunc(FormatGetSize(InternalFormat)) of - 1: TempDepth := 8; - 2: TempDepth := 16; - 3: TempDepth := 24; - 4: TempDepth := 32; - else - raise EglBitmapException.Create('AssignToSurface - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; - - FormatPreparePixel(Pix, InternalFormat); - - with Pix.PixelDesc do - Surface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, TempDepth, RedRange shl RedShift, GreenRange shl GreenShift, BlueRange shl BlueShift, AlphaRange shl AlphaShift); - - pSource := Data; - RowSize := Trunc(FileWidth * FormatGetSize(InternalFormat)); + try + // signature + StreamPos := aStream.Position; + aStream.Read(signature{%H-}, 8); + aStream.Position := StreamPos; - for Row := 0 to FileHeight -1 do begin - pData := GetRowPointer(Row); + if png_check_sig(@signature, 8) <> 0 then begin + // png read struct + png := png_create_read_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); + if png = nil then + raise EglBitmapException.Create('LoadPng - couldn''t create read struct.'); - if Assigned(pData) then begin - Move(pSource^, pData^, RowSize); - Inc(pSource, RowSize); + // png info + png_info := png_create_info_struct(png); + if png_info = nil then begin + png_destroy_read_struct(@png, nil, nil); + raise EglBitmapException.Create('LoadPng - couldn''t create info struct.'); end; - end; - - Result := True; - end; -end; - - -function TglBitmap.AssignFromSurface(const Surface: PSDL_Surface): boolean; -var - pSource, pData, pTempData: PByte; - Row, RowSize, TempWidth, TempHeight: Integer; - IntFormat: TglBitmapInternalFormat; - - function GetRowPointer(Row: Integer): pByte; - begin - Result := Surface^.pixels; - Inc(Result, Row * RowSize); - end; - -begin - Result := False; - - if (Assigned(Surface)) then begin - with Surface^.format^ do begin - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifLuminance) then - IntFormat := ifLuminance - else - - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifLuminanceAlpha) then - IntFormat := ifLuminanceAlpha - else - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGBA4) then - IntFormat := ifRGBA4 - else + // set read callback + png_set_read_fn(png, aStream, glBitmap_libPNG_read_func); - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifR5G6B5) then - IntFormat := ifR5G6B5 - else + // read informations + png_read_info(png, png_info); - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB5A1) then - IntFormat := ifRGB5A1 - else + // size + TempHeight := png_get_image_height(png, png_info); + TempWidth := png_get_image_width(png, png_info); - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifBGR8) then - IntFormat := ifBGR8 - else + // format + case png_get_color_type(png, png_info) of + PNG_COLOR_TYPE_GRAY: + Format := tfLuminance8ub1; + PNG_COLOR_TYPE_GRAY_ALPHA: + Format := tfLuminance8Alpha8us1; + PNG_COLOR_TYPE_RGB: + Format := tfRGB8ub3; + PNG_COLOR_TYPE_RGB_ALPHA: + Format := tfRGBA8ub4; + else + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); + end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB8) then - IntFormat := ifRGB8 - else + // cut upper 8 bit from 16 bit formats + if png_get_bit_depth(png, png_info) > 8 then + png_set_strip_16(png); - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifBGRA8) then - IntFormat := ifBGRA8 - else + // expand bitdepth smaller than 8 + if png_get_bit_depth(png, png_info) < 8 then + png_set_expand(png); - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGBA8) then - IntFormat := ifRGBA8 - else + // allocating mem for scanlines + LineSize := png_get_rowbytes(png, png_info); + GetMem(png_data, TempHeight * LineSize); + try + SetLength(png_rows, TempHeight); + for Row := Low(png_rows) to High(png_rows) do begin + png_rows[Row] := png_data; + Inc(png_rows[Row], Row * LineSize); + end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB10A2) then - IntFormat := ifRGB10A2 - else - raise EglBitmapException.Create('AssignFromSurface - Invalid Pixelformat.'); - end; + // read complete image into scanlines + png_read_image(png, @png_rows[0]); - TempWidth := Surface^.w; - TempHeight := Surface^.h; + // read end + png_read_end(png, png_info); - RowSize := Trunc(TempWidth * FormatGetSize(IntFormat)); + // destroy read struct + png_destroy_read_struct(@png, @png_info, nil); - GetMem(pData, TempHeight * RowSize); - try - pTempData := pData; + SetLength(png_rows, 0); - for Row := 0 to TempHeight -1 do begin - pSource := GetRowPointer(Row); + // set new data + SetData(png_data, Format, TempWidth, TempHeight); - if (Assigned(pSource)) then begin - Move(pSource^, pTempData^, RowSize); - Inc(pTempData, RowSize); - end; + result := true; + except + if Assigned(png_data) then + FreeMem(png_data); + raise; end; - - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); - - Result := True; - except - FreeMem(pData); - raise; end; + finally + quit_libPNG; end; end; - -function TglBitmap.AssignAlphaToSurface(out Surface: PSDL_Surface): boolean; +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadPNG(const aStream: TStream): Boolean; var - Row, Col, AlphaInterleave: Integer; - pSource, pDest: PByte; + StreamPos: Int64; + Png: TPNGObject; + Header: String[8]; + Row, Col, PixSize, LineSize: Integer; + NewImage, pSource, pDest, pAlpha: pByte; + PngFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; - function GetRowPointer(Row: Integer): pByte; - begin - Result := Surface.pixels; - Inc(Result, Row * Width); - end; +const + PngHeader: String[8] = #137#80#78#71#13#10#26#10; begin - Result := False; + result := false; - if Assigned(Data) then begin - if InternalFormat in [ifAlpha, ifLuminanceAlpha, ifBGRA8, ifRGBA8] then begin - Surface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, 8, $FF, $FF, $FF, 0); + StreamPos := aStream.Position; + aStream.Read(Header[0], SizeOf(Header)); + aStream.Position := StreamPos; - case InternalFormat of - ifLuminanceAlpha: - AlphaInterleave := 1; - ifBGRA8, ifRGBA8: - AlphaInterleave := 3; + {Test if the header matches} + if Header = PngHeader then begin + Png := TPNGObject.Create; + try + Png.LoadFromStream(aStream); + + case Png.Header.ColorType of + COLOR_GRAYSCALE: + PngFormat := tfLuminance8ub1; + COLOR_GRAYSCALEALPHA: + PngFormat := tfLuminance8Alpha8us1; + COLOR_RGB: + PngFormat := tfBGR8ub3; + COLOR_RGBALPHA: + PngFormat := tfBGRA8ub4; else - AlphaInterleave := 0; + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); end; - // Copy Data - pSource := Data; + FormatDesc := TFormatDescriptor.Get(PngFormat); + PixSize := Round(FormatDesc.PixelSize); + LineSize := FormatDesc.GetSize(Png.Header.Width, 1); - for Row := 0 to Height -1 do begin - pDest := GetRowPointer(Row); + GetMem(NewImage, LineSize * Integer(Png.Header.Height)); + try + pDest := NewImage; - if Assigned(pDest) then begin - for Col := 0 to Width -1 do begin - Inc(pSource, AlphaInterleave); - pDest^ := pSource^; - Inc(pDest); - Inc(pSource); - end; + case Png.Header.ColorType of + COLOR_RGB, COLOR_GRAYSCALE: + begin + for Row := 0 to Png.Height -1 do begin + Move (Png.Scanline[Row]^, pDest^, LineSize); + Inc(pDest, LineSize); + end; + end; + COLOR_RGBALPHA, COLOR_GRAYSCALEALPHA: + begin + PixSize := PixSize -1; + + for Row := 0 to Png.Height -1 do begin + pSource := Png.Scanline[Row]; + pAlpha := pByte(Png.AlphaScanline[Row]); + + for Col := 0 to Png.Width -1 do begin + Move (pSource^, pDest^, PixSize); + Inc(pSource, PixSize); + Inc(pDest, PixSize); + + pDest^ := pAlpha^; + inc(pAlpha); + Inc(pDest); + end; + end; + end; + else + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); end; - end; - Result := True; + SetData(NewImage, PngFormat, Png.Header.Width, Png.Header.Height); + + result := true; + except + if Assigned(NewImage) then + FreeMem(NewImage); + raise; + end; + finally + Png.Free; end; end; end; +{$IFEND} +{$ENDIF} +{$IFDEF GLB_SUPPORT_PNG_WRITE} +{$IFDEF GLB_LIB_PNG} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libPNG_write_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; +begin + TStream(png_get_io_ptr(png)).Write(buffer^, size); +end; +{$ENDIF} -function TglBitmap.AddAlphaFromSurface(Surface: PSDL_Surface; Func: TglBitmapFunction; CustomData: Pointer): boolean; +{$IF DEFINED(GLB_LAZ_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SavePNG(const aStream: TStream); var - glBitmap: TglBitmap2D; + png: TPortableNetworkGraphic; + intf: TLazIntfImage; + raw: TRawImage; begin - glBitmap := TglBitmap2D.Create; + png := TPortableNetworkGraphic.Create; + intf := TLazIntfImage.Create(0, 0); try - glBitmap.AssignFromSurface(Surface); - - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); + if not AssignToLazIntfImage(intf) then + raise EglBitmap.Create('unable to create LazIntfImage from glBitmap'); + intf.GetRawImage(raw); + png.LoadFromRawImage(raw, false); + png.SaveToStream(aStream); finally - glBitmap.Free; + png.Free; + intf.Free; end; end; -{$endif} - -{$ifdef GLB_DELPHI} -function TglBitmap.AssignFromBitmap(const Bitmap: TBitmap): boolean; +{$ELSEIF DEFINED(GLB_LIB_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SavePNG(const aStream: TStream); var - pSource, pData, pTempData: PByte; - Row, RowSize, TempWidth, TempHeight: Integer; - IntFormat: TglBitmapInternalFormat; + png: png_structp; + png_info: png_infop; + png_rows: array of pByte; + LineSize: Integer; + ColorType: Integer; + Row: Integer; + FormatDesc: TFormatDescriptor; begin - Result := False; + if not (ftPNG in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); - if (Assigned(Bitmap)) then begin - case Bitmap.PixelFormat of - pf8bit: - IntFormat := ifLuminance; - pf15bit: - IntFormat := ifRGB5A1; - pf16bit: - IntFormat := ifR5G6B5; - pf24bit: - IntFormat := ifBGR8; - pf32bit: - IntFormat := ifBGRA8; + if not init_libPNG then + raise Exception.Create('unable to initialize libPNG.'); + + try + case Format of + tfAlpha8ub1, tfLuminance8ub1: + ColorType := PNG_COLOR_TYPE_GRAY; + tfLuminance8Alpha8us1: + ColorType := PNG_COLOR_TYPE_GRAY_ALPHA; + tfBGR8ub3, tfRGB8ub3: + ColorType := PNG_COLOR_TYPE_RGB; + tfBGRA8ub4, tfRGBA8ub4: + ColorType := PNG_COLOR_TYPE_RGBA; else - raise EglBitmapException.Create('AssignFromBitmap - Invalid Pixelformat.'); + raise EglBitmapUnsupportedFormat.Create(Format); end; - TempWidth := Bitmap.Width; - TempHeight := Bitmap.Height; + FormatDesc := TFormatDescriptor.Get(Format); + LineSize := FormatDesc.GetSize(Width, 1); - RowSize := Trunc(TempWidth * FormatGetSize(IntFormat)); - - GetMem(pData, TempHeight * RowSize); + // creating array for scanline + SetLength(png_rows, Height); try - pTempData := pData; + for Row := 0 to Height - 1 do begin + png_rows[Row] := Data; + Inc(png_rows[Row], Row * LineSize) + end; - for Row := 0 to TempHeight -1 do begin - pSource := Bitmap.Scanline[Row]; + // write struct + png := png_create_write_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); + if png = nil then + raise EglBitmapException.Create('SavePng - couldn''t create write struct.'); - if (Assigned(pSource)) then begin - Move(pSource^, pTempData^, RowSize); - Inc(pTempData, RowSize); - end; + // create png info + png_info := png_create_info_struct(png); + if png_info = nil then begin + png_destroy_write_struct(@png, nil); + raise EglBitmapException.Create('SavePng - couldn''t create info struct.'); end; - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); + // set read callback + png_set_write_fn(png, aStream, glBitmap_libPNG_write_func, nil); - Result := True; - except - FreeMem(pData); - raise; + // set compression + png_set_compression_level(png, 6); + + if Format in [tfBGR8ub3, tfBGRA8ub4] then + png_set_bgr(png); + + png_set_IHDR(png, png_info, Width, Height, 8, ColorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); + png_write_info(png, png_info); + png_write_image(png, @png_rows[0]); + png_write_end(png, png_info); + png_destroy_write_struct(@png, @png_info); + finally + SetLength(png_rows, 0); end; + finally + quit_libPNG; end; end; - -function TglBitmap.AssignToBitmap(const Bitmap: TBitmap): boolean; +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SavePNG(const aStream: TStream); var - Row: Integer; - pSource, pData: PByte; -begin - Result := False; + Png: TPNGObject; - if Assigned(Data) then begin - if Assigned(Bitmap) then begin - Bitmap.Width := Width; - Bitmap.Height := Height; + pSource, pDest: pByte; + X, Y, PixSize: Integer; + ColorType: Cardinal; + Alpha: Boolean; - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - Bitmap.PixelFormat := pf8bit; - Bitmap.Palette := CreateGrayPalette; - end; - ifRGB5A1: - Bitmap.PixelFormat := pf15bit; - ifR5G6B5: - Bitmap.PixelFormat := pf16bit; - ifRGB8, ifBGR8: - Bitmap.PixelFormat := pf24bit; - ifRGBA8, ifBGRA8: - Bitmap.PixelFormat := pf32bit; - else - raise EglBitmapException.Create('AssignToBitmap - Invalid Pixelformat.'); - end; - - pSource := Data; - for Row := 0 to FileHeight -1 do begin - pData := Bitmap.Scanline[Row]; - - Move(pSource^, pData^, fRowSize); - Inc(pSource, fRowSize); - - // swap RGB(A) to BGR(A) - if InternalFormat in [ifRGB8, ifRGBA8] then - SwapRGB(pData, FileWidth, InternalFormat = ifRGBA8); - end; + pTemp: pByte; + Temp: Byte; +begin + if not (ftPNG in FormatGetSupportedFiles (Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); - Result := True; + case Format of + tfAlpha8ub1, tfLuminance8ub1: begin + ColorType := COLOR_GRAYSCALE; + PixSize := 1; + Alpha := false; + end; + tfLuminance8Alpha8us1: begin + ColorType := COLOR_GRAYSCALEALPHA; + PixSize := 1; + Alpha := true; end; + tfBGR8ub3, tfRGB8ub3: begin + ColorType := COLOR_RGB; + PixSize := 3; + Alpha := false; + end; + tfBGRA8ub4, tfRGBA8ub4: begin + ColorType := COLOR_RGBALPHA; + PixSize := 3; + Alpha := true + end; + else + raise EglBitmapUnsupportedFormat.Create(Format); end; -end; - -function TglBitmap.AssignAlphaToBitmap(const Bitmap: TBitmap): boolean; -var - Row, Col, AlphaInterleave: Integer; - pSource, pDest: PByte; -begin - Result := False; - - if Assigned(Data) then begin - if InternalFormat in [ifAlpha, ifLuminanceAlpha, ifRGBA8, ifBGRA8] then begin - if Assigned(Bitmap) then begin - Bitmap.PixelFormat := pf8bit; - Bitmap.Palette := CreateGrayPalette; - Bitmap.Width := Width; - Bitmap.Height := Height; - - case InternalFormat of - ifLuminanceAlpha: - AlphaInterleave := 1; - ifRGBA8, ifBGRA8: - AlphaInterleave := 3; - else - AlphaInterleave := 0; + Png := TPNGObject.CreateBlank(ColorType, 8, Width, Height); + try + // Copy ImageData + pSource := Data; + for Y := 0 to Height -1 do begin + pDest := png.ScanLine[Y]; + for X := 0 to Width -1 do begin + Move(pSource^, pDest^, PixSize); + Inc(pDest, PixSize); + Inc(pSource, PixSize); + if Alpha then begin + png.AlphaScanline[Y]^[X] := pSource^; + Inc(pSource); end; + end; - // Copy Data - pSource := Data; - - for Row := 0 to Height -1 do begin - pDest := Bitmap.Scanline[Row]; - - if Assigned(pDest) then begin - for Col := 0 to Width -1 do begin - Inc(pSource, AlphaInterleave); - pDest^ := pSource^; - Inc(pDest); - Inc(pSource); - end; - end; + // convert RGB line to BGR + if Format in [tfRGB8ub3, tfRGBA8ub4] then begin + pTemp := png.ScanLine[Y]; + for X := 0 to Width -1 do begin + Temp := pByteArray(pTemp)^[0]; + pByteArray(pTemp)^[0] := pByteArray(pTemp)^[2]; + pByteArray(pTemp)^[2] := Temp; + Inc(pTemp, 3); end; - - Result := True; end; end; - end; -end; - -function TglBitmap.AddAlphaFromBitmap(Bitmap: TBitmap; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - glBitmap: TglBitmap2D; -begin - glBitmap := TglBitmap2D.Create; - try - glBitmap.AssignFromBitmap(Bitmap); - - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); + // Save to Stream + Png.CompressionLevel := 6; + Png.SaveToStream(aStream); finally - glBitmap.Free; + FreeAndNil(Png); end; end; -{$endif} +{$IFEND} +{$ENDIF} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//JPEG//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$IFDEF GLB_LIB_JPEG} +type + glBitmap_libJPEG_source_mgr_ptr = ^glBitmap_libJPEG_source_mgr; + glBitmap_libJPEG_source_mgr = record + pub: jpeg_source_mgr; -function TglBitmap.AddAlphaFromFile(FileName: String; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - FS: TFileStream; -begin - FS := TFileStream.Create(FileName, fmOpenRead); - try - Result := AddAlphaFromStream(FS, Func, CustomData); - finally - FS.Free; + SrcStream: TStream; + SrcBuffer: array [1..4096] of byte; end; -end; + glBitmap_libJPEG_dest_mgr_ptr = ^glBitmap_libJPEG_dest_mgr; + glBitmap_libJPEG_dest_mgr = record + pub: jpeg_destination_mgr; -function TglBitmap.AddAlphaFromStream(Stream: TStream; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - glBitmap: TglBitmap2D; -begin - glBitmap := TglBitmap2D.Create(Stream); - try - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); - finally - glBitmap.Free; + DestStream: TStream; + DestBuffer: array [1..4096] of byte; end; -end; - -{$ifdef GLB_DELPHI} -function TglBitmap.AddAlphaFromResource(Instance: Cardinal; Resource: String; - ResType: PChar; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - RS: TResourceStream; - TempPos: Integer; - ResTypeStr: String; - TempResType: PChar; +procedure glBitmap_libJPEG_error_exit(cinfo: j_common_ptr); cdecl; begin - if Assigned(ResType) then - TempResType := ResType - else - begin - TempPos := Pos('.', Resource); - ResTypeStr := UpperCase(Copy(Resource, TempPos + 1, Length(Resource) - TempPos)); - Resource := UpperCase(Copy(Resource, 0, TempPos -1)); - TempResType := PChar(ResTypeStr); - end; - - RS := TResourceStream.Create(Instance, Resource, TempResType); - try - Result := AddAlphaFromStream(RS, Func, CustomData); - finally - RS.Free; - end; + //DUMMY end; -function TglBitmap.AddAlphaFromResourceID(Instance: Cardinal; ResourceID: Integer; - ResType: PChar; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - RS: TResourceStream; +procedure glBitmap_libJPEG_output_message(cinfo: j_common_ptr); cdecl; begin - RS := TResourceStream.CreateFromID(Instance, ResourceID, ResType); - try - Result := AddAlphaFromStream(RS, Func, CustomData); - finally - RS.Free; - end; + //DUMMY end; -{$endif} -procedure glBitmapColorKeyAlphaFunc(var FuncRec: TglBitmapFunctionRec); +procedure glBitmap_libJPEG_init_source(cinfo: j_decompress_ptr); cdecl; begin - with FuncRec do begin - Dest.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; - - with TglBitmapPixelData(CustomData^) do - if ((Dest.Red <= Red ) and (Dest.Red >= PixelDesc.RedRange ) and - (Dest.Green <= Green) and (Dest.Green >= PixelDesc.GreenRange) and - (Dest.Blue <= Blue ) and (Dest.Blue >= PixelDesc.BlueRange )) then - Dest.Alpha := 0 - else - Dest.Alpha := Dest.PixelDesc.AlphaRange; - end; + //DUMMY end; - -function TglBitmap.AddAlphaFromColorKey(Red, Green, Blue, Deviation: Byte): Boolean; +procedure glBitmap_libJPEG_term_source(cinfo: j_decompress_ptr); cdecl; begin - Result := AddAlphaFromColorKeyFloat(Red / $FF, Green / $FF, Blue / $FF, Deviation / $FF); + //DUMMY end; -function TglBitmap.AddAlphaFromColorKeyRange(Red, Green, Blue: Cardinal; Deviation: Cardinal = 0): Boolean; -var - PixelData: TglBitmapPixelData; +procedure glBitmap_libJPEG_init_destination(cinfo: j_compress_ptr); cdecl; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); - - Result := AddAlphaFromColorKeyFloat( - Red / PixelData.PixelDesc.RedRange, - Green / PixelData.PixelDesc.GreenRange, - Blue / PixelData.PixelDesc.BlueRange, - Deviation / Max(PixelData.PixelDesc.RedRange, Max(PixelData.PixelDesc.GreenRange, PixelData.PixelDesc.BlueRange))); + //DUMMY end; -function TglBitmap.AddAlphaFromColorKeyFloat(Red, Green, Blue: Single; Deviation: Single = 0): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmap_libJPEG_fill_input_buffer(cinfo: j_decompress_ptr): boolean; cdecl; var - TempR, TempG, TempB: Cardinal; - PixelData: TglBitmapPixelData; + src: glBitmap_libJPEG_source_mgr_ptr; + bytes: integer; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); - // Calculate Colorrange - with PixelData.PixelDesc do begin - TempR := Trunc(RedRange * Deviation); - TempG := Trunc(GreenRange * Deviation); - TempB := Trunc(BlueRange * Deviation); + bytes := src^.SrcStream.Read(src^.SrcBuffer[1], 4096); + if (bytes <= 0) then begin + src^.SrcBuffer[1] := $FF; + src^.SrcBuffer[2] := JPEG_EOI; + bytes := 2; + end; - PixelData.Red := Min(RedRange, Trunc(RedRange * Red) + TempR); - RedRange := Max(0, Trunc(RedRange * Red) - TempR); - PixelData.Green := Min(GreenRange, Trunc(GreenRange * Green) + TempG); - GreenRange := Max(0, Trunc(GreenRange * Green) - TempG); - PixelData.Blue := Min(BlueRange, Trunc(BlueRange * Blue) + TempB); - BlueRange := Max(0, Trunc(BlueRange * Blue) - TempB); - PixelData.Alpha := 0; - AlphaRange := 0; - end; + src^.pub.next_input_byte := @(src^.SrcBuffer[1]); + src^.pub.bytes_in_buffer := bytes; - Result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, @PixelData); + result := true; end; - -procedure glBitmapValueAlphaFunc(var FuncRec: TglBitmapFunctionRec); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libJPEG_skip_input_data(cinfo: j_decompress_ptr; num_bytes: Longint); cdecl; +var + src: glBitmap_libJPEG_source_mgr_ptr; begin - with FuncRec do begin - Dest.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; + src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); - with TglBitmapPixelData(CustomData^) do - Dest.Alpha := Alpha; + if num_bytes > 0 then begin + // wanted byte isn't in buffer so set stream position and read buffer + if num_bytes > src^.pub.bytes_in_buffer then begin + src^.SrcStream.Position := src^.SrcStream.Position + num_bytes - src^.pub.bytes_in_buffer; + src^.pub.fill_input_buffer(cinfo); + end else begin + // wanted byte is in buffer so only skip + inc(src^.pub.next_input_byte, num_bytes); + dec(src^.pub.bytes_in_buffer, num_bytes); + end; end; end; - -function TglBitmap.AddAlphaFromValue(Alpha: Byte): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmap_libJPEG_empty_output_buffer(cinfo: j_compress_ptr): boolean; cdecl; +var + dest: glBitmap_libJPEG_dest_mgr_ptr; begin - Result := AddAlphaFromValueFloat(Alpha / $FF); -end; + dest := glBitmap_libJPEG_dest_mgr_ptr(cinfo^.dest); + + if dest^.pub.free_in_buffer < Cardinal(Length(dest^.DestBuffer)) then begin + // write complete buffer + dest^.DestStream.Write(dest^.DestBuffer[1], SizeOf(dest^.DestBuffer)); + + // reset buffer + dest^.pub.next_output_byte := @dest^.DestBuffer[1]; + dest^.pub.free_in_buffer := Length(dest^.DestBuffer); + end; + result := true; +end; -function TglBitmap.AddAlphaFromValueFloat(Alpha: Single): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libJPEG_term_destination(cinfo: j_compress_ptr); cdecl; var - PixelData: TglBitmapPixelData; + Idx: Integer; + dest: glBitmap_libJPEG_dest_mgr_ptr; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + dest := glBitmap_libJPEG_dest_mgr_ptr(cinfo^.dest); - with PixelData.PixelDesc do - PixelData.Alpha := Min(AlphaRange, Max(0, Round(AlphaRange * Alpha))); + for Idx := Low(dest^.DestBuffer) to High(dest^.DestBuffer) do begin + // check for endblock + if (Idx < High(dest^.DestBuffer)) and (dest^.DestBuffer[Idx] = $FF) and (dest^.DestBuffer[Idx +1] = JPEG_EOI) then begin + // write endblock + dest^.DestStream.Write(dest^.DestBuffer[Idx], 2); - Result := AddAlphaFromFunc(glBitmapValueAlphaFunc, @PixelData); + // leave + break; + end else + dest^.DestStream.Write(dest^.DestBuffer[Idx], 1); + end; end; +{$ENDIF} - -function TglBitmap.AddAlphaFromValueRange(Alpha: Cardinal): Boolean; +{$IFDEF GLB_SUPPORT_JPEG_READ} +{$IF DEFINED(GLB_LAZ_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadJPEG(const aStream: TStream): Boolean; +const + MAGIC_LEN = 2; + JPEG_MAGIC: String[MAGIC_LEN] = #$FF#$D8; var - PixelData: TglBitmapPixelData; + intf: TLazIntfImage; + reader: TFPReaderJPEG; + StreamPos: Int64; + magic: String[MAGIC_LEN]; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); - - Result := AddAlphaFromValueFloat(Alpha / PixelData.PixelDesc.AlphaRange); + result := true; + StreamPos := aStream.Position; + + SetLength(magic, MAGIC_LEN); + aStream.Read(magic[1], MAGIC_LEN); + aStream.Position := StreamPos; + if (magic <> JPEG_MAGIC) then begin + result := false; + exit; + end; + + reader := TFPReaderJPEG.Create; + intf := TLazIntfImage.Create(0, 0); + try try + intf.DataDescription := GetDescriptionFromDevice(0, 0, 0); + reader.ImageRead(aStream, intf); + AssignFromLazIntfImage(intf); + except + result := false; + aStream.Position := StreamPos; + exit; + end; + finally + reader.Free; + intf.Free; + end; end; - -procedure glBitmapInvertFunc(var FuncRec: TglBitmapFunctionRec); +{$ELSEIF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadJPEG(const aStream: TStream): Boolean; +var + Surface: PSDL_Surface; + RWops: PSDL_RWops; begin - with FuncRec do begin - Dest.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; - Dest.Alpha := Source.Alpha; - - if (Integer(CustomData) and $1 > 0) then begin - Dest.Red := Dest.Red xor Dest.PixelDesc.RedRange; - Dest.Green := Dest.Green xor Dest.PixelDesc.GreenRange; - Dest.Blue := Dest.Blue xor Dest.PixelDesc.BlueRange; - end; + result := false; - if (Integer(CustomData) and $2 > 0) then begin - Dest.Alpha := Dest.Alpha xor Dest.PixelDesc.AlphaRange; + RWops := glBitmapCreateRWops(aStream); + try + if IMG_isJPG(RWops) > 0 then begin + Surface := IMG_LoadJPG_RW(RWops); + try + AssignFromSurface(Surface); + result := true; + finally + SDL_FreeSurface(Surface); + end; end; + finally + SDL_FreeRW(RWops); end; end; +{$ELSEIF DEFINED(GLB_LIB_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadJPEG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + Temp: array[0..1]of Byte; -procedure TglBitmap.Invert(UseRGB, UseAlpha: Boolean); -begin - if ((UseRGB) or (UseAlpha)) then - AddFunc(glBitmapInvertFunc, False, Pointer(Integer(UseAlpha) shl 1 or Integer(UseRGB))); -end; + jpeg: jpeg_decompress_struct; + jpeg_err: jpeg_error_mgr; + + IntFormat: TglBitmapFormat; + pImage: pByte; + TempHeight, TempWidth: Integer; + pTemp: pByte; + Row: Integer; -procedure TglBitmap.SetFilter(Min, Mag: Integer); + FormatDesc: TFormatDescriptor; begin - case Min of - GL_NEAREST: - fFilterMin := GL_NEAREST; - GL_LINEAR: - fFilterMin := GL_LINEAR; - GL_NEAREST_MIPMAP_NEAREST: - fFilterMin := GL_NEAREST_MIPMAP_NEAREST; - GL_LINEAR_MIPMAP_NEAREST: - fFilterMin := GL_LINEAR_MIPMAP_NEAREST; - GL_NEAREST_MIPMAP_LINEAR: - fFilterMin := GL_NEAREST_MIPMAP_LINEAR; - GL_LINEAR_MIPMAP_LINEAR: - fFilterMin := GL_LINEAR_MIPMAP_LINEAR; - else - raise EglBitmapException.Create('SetFilter - Unknow Minfilter.'); - end; + result := false; - case Mag of - GL_NEAREST: - fFilterMag := GL_NEAREST; - GL_LINEAR: - fFilterMag := GL_LINEAR; - else - raise EglBitmapException.Create('SetFilter - Unknow Magfilter.'); - end; + if not init_libJPEG then + raise Exception.Create('LoadJPG - unable to initialize libJPEG.'); - // If texture is created then assign filter - if ID > 0 then begin - Bind(False); + try + // reading first two bytes to test file and set cursor back to begin + StreamPos := aStream.Position; + aStream.Read({%H-}Temp[0], 2); + aStream.Position := StreamPos; - glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, fFilterMag); - - if (MipMap = mmNone) or (Target = GL_TEXTURE_RECTANGLE_ARB) then begin - case fFilterMin of - GL_NEAREST, GL_LINEAR: - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); - GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR: - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR: - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - end; - end else - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); - end; -end; - - -procedure TglBitmap.SetWrap(S: Integer; T: Integer; R: Integer); -begin - case S of - GL_CLAMP: - fWrapS := GL_CLAMP; - GL_REPEAT: - fWrapS := GL_REPEAT; - GL_CLAMP_TO_EDGE: - begin - if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then - fWrapS := GL_CLAMP_TO_EDGE - else - fWrapS := GL_CLAMP; - end; - GL_CLAMP_TO_BORDER: - begin - if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then - fWrapS := GL_CLAMP_TO_BORDER - else - fWrapS := GL_CLAMP; - end; - GL_MIRRORED_REPEAT: - begin - if GL_VERSION_1_4 or GL_ARB_texture_mirrored_repeat or GL_IBM_texture_mirrored_repeat then - fWrapS := GL_MIRRORED_REPEAT - else - raise EglBitmapException.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (S).'); - end; - else - raise EglBitmapException.Create('SetWrap - Unknow Texturewrap (S).'); - end; - - case T of - GL_CLAMP: - fWrapT := GL_CLAMP; - GL_REPEAT: - fWrapT := GL_REPEAT; - GL_CLAMP_TO_EDGE: - begin - if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then - fWrapT := GL_CLAMP_TO_EDGE - else - fWrapT := GL_CLAMP; - end; - GL_CLAMP_TO_BORDER: - begin - if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then - fWrapT := GL_CLAMP_TO_BORDER - else - fWrapT := GL_CLAMP; - end; - GL_MIRRORED_REPEAT: - begin - if GL_VERSION_1_4 or GL_ARB_texture_mirrored_repeat or GL_IBM_texture_mirrored_repeat then - fWrapT := GL_MIRRORED_REPEAT - else - raise EglBitmapException.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (T).'); - end; - else - raise EglBitmapException.Create('SetWrap - Unknow Texturewrap (T).'); - end; - - case R of - GL_CLAMP: - fWrapR := GL_CLAMP; - GL_REPEAT: - fWrapR := GL_REPEAT; - GL_CLAMP_TO_EDGE: - begin - if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then - fWrapR := GL_CLAMP_TO_EDGE - else - fWrapR := GL_CLAMP; - end; - GL_CLAMP_TO_BORDER: - begin - if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then - fWrapR := GL_CLAMP_TO_BORDER - else - fWrapR := GL_CLAMP; - end; - GL_MIRRORED_REPEAT: - begin - if GL_VERSION_1_4 or GL_ARB_texture_mirrored_repeat or GL_IBM_texture_mirrored_repeat then - fWrapR := GL_MIRRORED_REPEAT - else - raise EglBitmapException.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (R).'); - end; - else - raise EglBitmapException.Create('SetWrap - Unknow Texturewrap (R).'); - end; - - if ID > 0 then begin - Bind (False); - glTexParameteri(Target, GL_TEXTURE_WRAP_S, fWrapS); - glTexParameteri(Target, GL_TEXTURE_WRAP_T, fWrapT); - glTexParameteri(Target, GL_TEXTURE_WRAP_R, fWrapR); - end; -end; - - -procedure TglBitmap.SetDataPointer(NewData: PByte; Format: TglBitmapInternalFormat; Width, Height: Integer); -begin - // Data - if Data <> NewData then begin - if (Assigned(Data)) - then FreeMem(Data); - - fData := NewData; - end; - - if Data = nil then begin - fInternalFormat := ifEmpty; - fPixelSize := 0; - fRowSize := 0; - end else begin - if Width <> -1 then begin - fDimension.Fields := fDimension.Fields + [ffX]; - fDimension.X := Width; - end; - - if Height <> -1 then begin - fDimension.Fields := fDimension.Fields + [ffY]; - fDimension.Y := Height; - end; - - fInternalFormat := Format; - fPixelSize := Trunc(FormatGetSize(InternalFormat)); - fRowSize := Trunc(FormatGetSize(InternalFormat) * Self.Width); - end; -end; - -{$ifdef GLB_SUPPORT_PNG_READ} -{$ifdef GLB_LIB_PNG} -procedure glBitmap_libPNG_read_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; -begin - TStream(png_get_io_ptr(png)).Read(buffer^, size); -end; -{$endif} - - -function TglBitmap.LoadPNG(Stream: TStream): Boolean; -{$ifdef GLB_SDL_IMAGE} -var - Surface: PSDL_Surface; - RWops: PSDL_RWops; -begin - Result := False; - - RWops := glBitmapCreateRWops(Stream); - try - if IMG_isPNG(RWops) > 0 then begin - Surface := IMG_LoadPNG_RW(RWops); - try - AssignFromSurface(Surface); - Result := True; - finally - SDL_FreeSurface(Surface); - end; - end; - finally - SDL_FreeRW(RWops); - end; -end; -{$endif} -{$ifdef GLB_LIB_PNG} -var - StreamPos: Int64; - signature: array [0..7] of byte; - png: png_structp; - png_info: png_infop; - - TempHeight, TempWidth: Integer; - Format: TglBitmapInternalFormat; - - png_data: pByte; - png_rows: array of pByte; - Row, LineSize: Integer; -begin - Result := False; - - if not init_libPNG then - raise Exception.Create('LoadPNG - unable to initialize libPNG.'); - - try - // signature - StreamPos := Stream.Position; - Stream.Read(signature, 8); - Stream.Position := StreamPos; - - if png_check_sig(@signature, 8) <> 0 then begin - // png read struct - png := png_create_read_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); - if png = nil then - raise EglBitmapException.Create('LoadPng - couldn''t create read struct.'); - - // png info - png_info := png_create_info_struct(png); - if png_info = nil then begin - png_destroy_read_struct(@png, nil, nil); - raise EglBitmapException.Create('LoadPng - couldn''t create info struct.'); - end; - - // set read callback - png_set_read_fn(png, stream, glBitmap_libPNG_read_func); - - // read informations - png_read_info(png, png_info); - - // size - TempHeight := png_get_image_height(png, png_info); - TempWidth := png_get_image_width(png, png_info); - - // format - case png_get_color_type(png, png_info) of - PNG_COLOR_TYPE_GRAY: - Format := ifLuminance; - PNG_COLOR_TYPE_GRAY_ALPHA: - Format := ifLuminanceAlpha; - PNG_COLOR_TYPE_RGB: - Format := ifRGB8; - PNG_COLOR_TYPE_RGB_ALPHA: - Format := ifRGBA8; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); - end; - - // cut upper 8 bit from 16 bit formats - if png_get_bit_depth(png, png_info) > 8 then - png_set_strip_16(png); - - // expand bitdepth smaller than 8 - if png_get_bit_depth(png, png_info) < 8 then - png_set_expand(png); - - // allocating mem for scanlines - LineSize := png_get_rowbytes(png, png_info); - GetMem(png_data, TempHeight * LineSize); - try - SetLength(png_rows, TempHeight); - for Row := Low(png_rows) to High(png_rows) do begin - png_rows[Row] := png_data; - Inc(png_rows[Row], Row * LineSize); - end; - - // read complete image into scanlines - png_read_image(png, @png_rows[0]); - - // read end - png_read_end(png, png_info); - - // destroy read struct - png_destroy_read_struct(@png, @png_info, nil); - - SetLength(png_rows, 0); - - // set new data - SetDataPointer(png_data, Format, TempWidth, TempHeight); - - Result := True; - except - FreeMem(png_data); - raise; - end; - end; - finally - quit_libPNG; - end; -end; -{$endif} -{$ifdef GLB_PNGIMAGE} -var - StreamPos: Int64; - Png: TPNGObject; - Header: Array[0..7] of Byte; - Row, Col, PixSize, LineSize: Integer; - NewImage, pSource, pDest, pAlpha: pByte; - Format: TglBitmapInternalFormat; - -const - PngHeader: Array[0..7] of Byte = (#137, #80, #78, #71, #13, #10, #26, #10); - -begin - Result := False; - - StreamPos := Stream.Position; - Stream.Read(Header[0], SizeOf(Header)); - Stream.Position := StreamPos; - - {Test if the header matches} - if Header = PngHeader then begin - Png := TPNGObject.Create; - try - Png.LoadFromStream(Stream); - - case Png.Header.ColorType of - COLOR_GRAYSCALE: - Format := ifLuminance; - COLOR_GRAYSCALEALPHA: - Format := ifLuminanceAlpha; - COLOR_RGB: - Format := ifBGR8; - COLOR_RGBALPHA: - Format := ifBGRA8; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); - end; - - PixSize := Trunc(FormatGetSize(Format)); - LineSize := Integer(Png.Header.Width) * PixSize; - - GetMem(NewImage, LineSize * Integer(Png.Header.Height)); - try - pDest := NewImage; - - case Png.Header.ColorType of - COLOR_RGB, COLOR_GRAYSCALE: - begin - for Row := 0 to Png.Height -1 do begin - Move (Png.Scanline[Row]^, pDest^, LineSize); - Inc(pDest, LineSize); - end; - end; - COLOR_RGBALPHA, COLOR_GRAYSCALEALPHA: - begin - PixSize := PixSize -1; - - for Row := 0 to Png.Height -1 do begin - pSource := Png.Scanline[Row]; - pAlpha := pByte(Png.AlphaScanline[Row]); - - for Col := 0 to Png.Width -1 do begin - Move (pSource^, pDest^, PixSize); - Inc(pSource, PixSize); - Inc(pDest, PixSize); - - pDest^ := pAlpha^; - inc(pAlpha); - Inc(pDest); - end; - end; - end; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); - end; - - SetDataPointer(NewImage, Format, Png.Header.Width, Png.Header.Height); - - Result := True; - except - FreeMem(NewImage); - raise; - end; - finally - Png.Free; - end; - end; -end; -{$endif} -{$endif} - - -{$ifdef GLB_LIB_JPEG} -type - glBitmap_libJPEG_source_mgr_ptr = ^glBitmap_libJPEG_source_mgr; - glBitmap_libJPEG_source_mgr = record - pub: jpeg_source_mgr; - - SrcStream: TStream; - SrcBuffer: array [1..4096] of byte; - end; - - - glBitmap_libJPEG_dest_mgr_ptr = ^glBitmap_libJPEG_dest_mgr; - glBitmap_libJPEG_dest_mgr = record - pub: jpeg_destination_mgr; - - DestStream: TStream; - DestBuffer: array [1..4096] of byte; - end; - - - -procedure glBitmap_libJPEG_error_exit(cinfo: j_common_ptr); cdecl; -//var -// Msg: String; -begin -// SetLength(Msg, 256); -// cinfo^.err^.format_message(cinfo, pChar(Msg)); - -// Writeln('ERROR [' + IntToStr(cinfo^.err^.msg_code) + '] ' + Msg); - -// cinfo^.global_state := 0; - -// jpeg_abort(cinfo); -end; - - -procedure glBitmap_libJPEG_output_message(cinfo: j_common_ptr); cdecl; -//var -// Msg: String; -begin -// SetLength(Msg, 256); -// cinfo^.err^.format_message(cinfo, pChar(Msg)); - -// Writeln('OUTPUT [' + IntToStr(cinfo^.err^.msg_code) + '] ' + Msg); - -// cinfo^.global_state := 0; -end; - - -procedure glBitmap_libJPEG_init_source(cinfo: j_decompress_ptr); cdecl; -begin -end; - - -function glBitmap_libJPEG_fill_input_buffer(cinfo: j_decompress_ptr): boolean; cdecl; -var - src: glBitmap_libJPEG_source_mgr_ptr; - bytes: integer; -begin - src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); - - bytes := src^.SrcStream.Read(src^.SrcBuffer[1], 4096); - if (bytes <= 0) then begin - src^.SrcBuffer[1] := $FF; - src^.SrcBuffer[2] := JPEG_EOI; - bytes := 2; - end; - - src^.pub.next_input_byte := @(src^.SrcBuffer[1]); - src^.pub.bytes_in_buffer := bytes; - - result := true; -end; - - -procedure glBitmap_libJPEG_skip_input_data(cinfo: j_decompress_ptr; num_bytes: Longint); cdecl; -var - src: glBitmap_libJPEG_source_mgr_ptr; -begin - src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); - - if num_bytes > 0 then begin - // wanted byte isn't in buffer so set stream position and read buffer - if num_bytes > src^.pub.bytes_in_buffer then begin - src^.SrcStream.Position := src^.SrcStream.Position + num_bytes - src^.pub.bytes_in_buffer; - src^.pub.fill_input_buffer(cinfo); - end else begin - // wanted byte is in buffer so only skip - inc(src^.pub.next_input_byte, num_bytes); - dec(src^.pub.bytes_in_buffer, num_bytes); - end; - end; -end; - - -procedure glBitmap_libJPEG_term_source(cinfo: j_decompress_ptr); cdecl; -begin -end; - - -procedure glBitmap_libJPEG_init_destination(cinfo: j_compress_ptr); cdecl; -begin -end; - - -function glBitmap_libJPEG_empty_output_buffer(cinfo: j_compress_ptr): boolean; cdecl; -var - dest: glBitmap_libJPEG_dest_mgr_ptr; -begin - dest := glBitmap_libJPEG_dest_mgr_ptr(cinfo^.dest); - - if dest^.pub.free_in_buffer < Cardinal(Length(dest^.DestBuffer)) then begin - // write complete buffer - dest^.DestStream.Write(dest^.DestBuffer[1], SizeOf(dest^.DestBuffer)); - - // reset buffer - dest^.pub.next_output_byte := @dest^.DestBuffer[1]; - dest^.pub.free_in_buffer := Length(dest^.DestBuffer); - end; - - Result := True; -end; - - -procedure glBitmap_libJPEG_term_destination(cinfo: j_compress_ptr); cdecl; -var - Idx: Integer; - dest: glBitmap_libJPEG_dest_mgr_ptr; -begin - dest := glBitmap_libJPEG_dest_mgr_ptr(cinfo^.dest); - - for Idx := Low(dest^.DestBuffer) to High(dest^.DestBuffer) do begin - // check for endblock - if (Idx < High(dest^.DestBuffer)) and (dest^.DestBuffer[Idx] = $FF) and (dest^.DestBuffer[Idx +1] = JPEG_EOI) then begin - // write endblock - dest^.DestStream.Write(dest^.DestBuffer[Idx], 2); - - // leave - Break; - end else - dest^.DestStream.Write(dest^.DestBuffer[Idx], 1); - end; -end; -{$endif} - - -{$ifdef GLB_SUPPORT_JPEG_READ} -function TglBitmap.LoadJPEG(Stream: TStream): Boolean; -{$ifdef GLB_SDL_IMAGE} -var - Surface: PSDL_Surface; - RWops: PSDL_RWops; -begin - Result := False; - - RWops := glBitmapCreateRWops(Stream); - try - if IMG_isJPG(RWops) > 0 then begin - Surface := IMG_LoadJPG_RW(RWops); - try - AssignFromSurface(Surface); - Result := True; - finally - SDL_FreeSurface(Surface); - end; - end; - finally - SDL_FreeRW(RWops); - end; -end; -{$endif} -{$ifdef GLB_LIB_JPEG} -var - StreamPos: Int64; - Temp: array[0..1]of Byte; - - jpeg: jpeg_decompress_struct; - jpeg_err: jpeg_error_mgr; - - IntFormat: TglBitmapInternalFormat; - pImage: pByte; - TempHeight, TempWidth: Integer; - - pTemp: pByte; - Row: Integer; -begin - Result := False; - - if not init_libJPEG then - raise Exception.Create('LoadJPG - unable to initialize libJPEG.'); - - try - // reading first two bytes to test file and set cursor back to begin - StreamPos := Stream.Position; - Stream.Read(Temp[0], 2); - Stream.Position := StreamPos; - - // if Bitmap then read file. - if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin - FillChar(jpeg, SizeOf(jpeg_decompress_struct), $00); - FillChar(jpeg_err, SizeOf(jpeg_error_mgr), $00); + // if Bitmap then read file. + if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin + FillChar(jpeg{%H-}, SizeOf(jpeg_decompress_struct), $00); + FillChar(jpeg_err{%H-}, SizeOf(jpeg_error_mgr), $00); // error managment jpeg.err := jpeg_std_error(@jpeg_err); - jpeg_err.error_exit := glBitmap_libJPEG_error_exit; + jpeg_err.error_exit := glBitmap_libJPEG_error_exit; jpeg_err.output_message := glBitmap_libJPEG_output_message; // decompression struct @@ -3638,25 +5161,25 @@ begin pub.bytes_in_buffer := 0; // forces fill_input_buffer on first read pub.next_input_byte := nil; // until buffer loaded - SrcStream := Stream; + SrcStream := aStream; end; // set global decoding state jpeg.global_state := DSTATE_START; // read header of jpeg - jpeg_read_header(@jpeg, False); + jpeg_read_header(@jpeg, false); // setting output parameter case jpeg.jpeg_color_space of JCS_GRAYSCALE: begin jpeg.out_color_space := JCS_GRAYSCALE; - IntFormat := ifLuminance; + IntFormat := tfLuminance8ub1; end; else jpeg.out_color_space := JCS_RGB; - IntFormat := ifRGB8; + IntFormat := tfRGB8ub3; end; // reading image @@ -3665,14 +5188,16 @@ begin TempHeight := jpeg.output_height; TempWidth := jpeg.output_width; + FormatDesc := TFormatDescriptor.Get(IntFormat); + // creating new image - GetMem(pImage, FormatGetImageSize(glBitmapPosition(TempWidth, TempHeight), IntFormat)); + GetMem(pImage, FormatDesc.GetSize(TempWidth, TempHeight)); try pTemp := pImage; for Row := 0 to TempHeight -1 do begin jpeg_read_scanlines(@jpeg, @pTemp, 1); - Inc(pTemp, Trunc(FormatGetSize(IntFormat) * TempWidth)); + Inc(pTemp, FormatDesc.GetSize(TempWidth, 1)); end; // finish decompression @@ -3681,11 +5206,12 @@ begin // destroy decompression jpeg_destroy_decompress(@jpeg); - SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); + SetData(pImage, IntFormat, TempWidth, TempHeight); - Result := True; + result := true; except - FreeMem(pImage); + if Assigned(pImage) then + FreeMem(pImage); raise; end; end; @@ -3693,20 +5219,22 @@ begin quit_libJPEG; end; end; -{$endif} -{$ifdef GLB_DELPHI_JPEG} + +{$ELSEIF DEFINED(GLB_DELPHI_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadJPEG(const aStream: TStream): Boolean; var bmp: TBitmap; jpg: TJPEGImage; StreamPos: Int64; Temp: array[0..1]of Byte; begin - Result := False; + result := false; // reading first two bytes to test file and set cursor back to begin - StreamPos := Stream.Position; - Stream.Read(Temp[0], 2); - Stream.Position := StreamPos; + StreamPos := aStream.Position; + aStream.Read(Temp[0], 2); + aStream.Position := StreamPos; // if Bitmap then read file. if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin @@ -3714,9 +5242,9 @@ begin try jpg := TJPEGImage.Create; try - jpg.LoadFromStream(Stream); + jpg.LoadFromStream(aStream); bmp.Assign(jpg); - Result := AssignFromBitmap(bmp); + result := AssignFromBitmap(bmp); finally jpg.Free; end; @@ -3725,10 +5253,230 @@ begin end; end; end; -{$endif} -{$endif} +{$IFEND} +{$ENDIF} + +{$IFDEF GLB_SUPPORT_JPEG_WRITE} +{$IF DEFINED(GLB_LAZ_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveJPEG(const aStream: TStream); +var + jpeg: TJPEGImage; + intf: TLazIntfImage; + raw: TRawImage; +begin + jpeg := TJPEGImage.Create; + intf := TLazIntfImage.Create(0, 0); + try + if not AssignToLazIntfImage(intf) then + raise EglBitmap.Create('unable to create LazIntfImage from glBitmap'); + intf.GetRawImage(raw); + jpeg.LoadFromRawImage(raw, false); + jpeg.SaveToStream(aStream); + finally + intf.Free; + jpeg.Free; + end; +end; + +{$ELSEIF DEFINED(GLB_LIB_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveJPEG(const aStream: TStream); +var + jpeg: jpeg_compress_struct; + jpeg_err: jpeg_error_mgr; + Row: Integer; + pTemp, pTemp2: pByte; + + procedure CopyRow(pDest, pSource: pByte); + var + X: Integer; + begin + for X := 0 to Width - 1 do begin + pByteArray(pDest)^[0] := pByteArray(pSource)^[2]; + pByteArray(pDest)^[1] := pByteArray(pSource)^[1]; + pByteArray(pDest)^[2] := pByteArray(pSource)^[0]; + Inc(pDest, 3); + Inc(pSource, 3); + end; + end; + +begin + if not (ftJPEG in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + if not init_libJPEG then + raise Exception.Create('SaveJPG - unable to initialize libJPEG.'); + + try + FillChar(jpeg{%H-}, SizeOf(jpeg_compress_struct), $00); + FillChar(jpeg_err{%H-}, SizeOf(jpeg_error_mgr), $00); + + // error managment + jpeg.err := jpeg_std_error(@jpeg_err); + jpeg_err.error_exit := glBitmap_libJPEG_error_exit; + jpeg_err.output_message := glBitmap_libJPEG_output_message; + + // compression struct + jpeg_create_compress(@jpeg); + + // allocation space for streaming methods + jpeg.dest := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_dest_mgr)); + + // seeting up custom functions + with glBitmap_libJPEG_dest_mgr_ptr(jpeg.dest)^ do begin + pub.init_destination := glBitmap_libJPEG_init_destination; + pub.empty_output_buffer := glBitmap_libJPEG_empty_output_buffer; + pub.term_destination := glBitmap_libJPEG_term_destination; + + pub.next_output_byte := @DestBuffer[1]; + pub.free_in_buffer := Length(DestBuffer); + + DestStream := aStream; + end; + + // very important state + jpeg.global_state := CSTATE_START; + jpeg.image_width := Width; + jpeg.image_height := Height; + case Format of + tfAlpha8ub1, tfLuminance8ub1: begin + jpeg.input_components := 1; + jpeg.in_color_space := JCS_GRAYSCALE; + end; + tfRGB8ub3, tfBGR8ub3: begin + jpeg.input_components := 3; + jpeg.in_color_space := JCS_RGB; + end; + end; + + jpeg_set_defaults(@jpeg); + jpeg_set_quality(@jpeg, 95, true); + jpeg_start_compress(@jpeg, true); + pTemp := Data; + + if Format = tfBGR8ub3 then + GetMem(pTemp2, fRowSize) + else + pTemp2 := pTemp; + + try + for Row := 0 to jpeg.image_height -1 do begin + // prepare row + if Format = tfBGR8ub3 then + CopyRow(pTemp2, pTemp) + else + pTemp2 := pTemp; + + // write row + jpeg_write_scanlines(@jpeg, @pTemp2, 1); + inc(pTemp, fRowSize); + end; + finally + // free memory + if Format = tfBGR8ub3 then + FreeMem(pTemp2); + end; + jpeg_finish_compress(@jpeg); + jpeg_destroy_compress(@jpeg); + finally + quit_libJPEG; + end; +end; + +{$ELSEIF DEFINED(GLB_DELPHI_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveJPEG(const aStream: TStream); +var + Bmp: TBitmap; + Jpg: TJPEGImage; +begin + if not (ftJPEG in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + Bmp := TBitmap.Create; + try + Jpg := TJPEGImage.Create; + try + AssignToBitmap(Bmp); + if (Format in [tfAlpha8ub1, tfLuminance8ub1]) then begin + Jpg.Grayscale := true; + Jpg.PixelFormat := jf8Bit; + end; + Jpg.Assign(Bmp); + Jpg.SaveToStream(aStream); + finally + FreeAndNil(Jpg); + end; + finally + FreeAndNil(Bmp); + end; +end; +{$IFEND} +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//RAW///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +type + RawHeader = packed record + Magic: String[5]; + Version: Byte; + Width: Integer; + Height: Integer; + DataSize: Integer; + BitsPerPixel: Integer; + Precision: TglBitmapRec4ub; + Shift: TglBitmapRec4ub; + end; + +function TglBitmapData.LoadRAW(const aStream: TStream): Boolean; +var + header: RawHeader; + StartPos: Int64; + fd: TFormatDescriptor; + buf: PByte; +begin + result := false; + StartPos := aStream.Position; + aStream.Read(header{%H-}, SizeOf(header)); + if (header.Magic <> 'glBMP') then begin + aStream.Position := StartPos; + exit; + end; + + fd := TFormatDescriptor.GetFromPrecShift(header.Precision, header.Shift, header.BitsPerPixel); + if (fd.Format = tfEmpty) then + raise EglBitmapUnsupportedFormat.Create('no supported format found'); + + buf := GetMemory(header.DataSize); + aStream.Read(buf^, header.DataSize); + SetData(buf, fd.Format, header.Width, header.Height); + result := true; +end; +procedure TglBitmapData.SaveRAW(const aStream: TStream); +var + header: RawHeader; + fd: TFormatDescriptor; +begin + fd := TFormatDescriptor.Get(Format); + header.Magic := 'glBMP'; + header.Version := 1; + header.Width := Width; + header.Height := Height; + header.DataSize := fd.GetSize(fDimension); + header.BitsPerPixel := fd.BitsPerPixel; + header.Precision := fd.Precision; + header.Shift := fd.Shift; + aStream.Write(header, SizeOf(header)); + aStream.Write(Data^, header.DataSize); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//BMP///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// const BMP_MAGIC = $4D42; @@ -3760,603 +5508,653 @@ type biClrImportant: Cardinal; end; - TBMPInfoOS = packed record - biSize: Cardinal; - biWidth: Longint; - biHeight: Longint; - biPlanes: Word; - biBitCount: Word; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadBMP(const aStream: TStream): Boolean; + + ////////////////////////////////////////////////////////////////////////////////////////////////// + function ReadInfo(out aInfo: TBMPInfo; out aMask: TglBitmapRec4ul): TglBitmapFormat; + var + tmp, i: Cardinal; + begin + result := tfEmpty; + aStream.Read(aInfo{%H-}, SizeOf(aInfo)); + FillChar(aMask{%H-}, SizeOf(aMask), 0); + + //Read Compression + case aInfo.biCompression of + BMP_COMP_RLE4, + BMP_COMP_RLE8: begin + raise EglBitmap.Create('RLE compression is not supported'); + end; + BMP_COMP_BITFIELDS: begin + if (aInfo.biBitCount = 16) or (aInfo.biBitCount = 32) then begin + for i := 0 to 2 do begin + aStream.Read(tmp{%H-}, SizeOf(tmp)); + aMask.arr[i] := tmp; + end; + end else + raise EglBitmap.Create('Bitfields are only supported for 16bit and 32bit formats'); + end; + end; + + //get suitable format + case aInfo.biBitCount of + 8: result := tfLuminance8ub1; + 16: result := tfX1RGB5us1; + 24: result := tfBGR8ub3; + 32: result := tfXRGB8ui1; + end; end; -// TBMPPalette = record -// case Boolean of -// True : (Colors: array[Byte] of TRGBQUAD); -// False: (redMask, greenMask, blueMask: Cardinal); -// end; + function ReadColorTable(var aFormat: TglBitmapFormat; const aInfo: TBMPInfo): TbmpColorTableFormat; + var + i, c: Integer; + fd: TFormatDescriptor; + ColorTable: TbmpColorTable; + begin + result := nil; + if (aInfo.biBitCount >= 16) then + exit; + aFormat := tfLuminance8ub1; + c := aInfo.biClrUsed; + if (c = 0) then + c := 1 shl aInfo.biBitCount; + SetLength(ColorTable, c); + for i := 0 to c-1 do begin + aStream.Read(ColorTable[i], SizeOf(TbmpColorTableEnty)); + if (ColorTable[i].r <> ColorTable[i].g) or (ColorTable[i].g <> ColorTable[i].b) then + aFormat := tfRGB8ub3; + end; -function TglBitmap.LoadBMP(Stream: TStream): Boolean; -var - StreamPos: Int64; - Header: TBMPHeader; - Info: TBMPInfo; - NewImage, pData: pByte; + fd := TFormatDescriptor.Get(aFormat); + result := TbmpColorTableFormat.Create; + result.ColorTable := ColorTable; + result.SetCustomValues(aFormat, aInfo.biBitCount, fd.Precision, fd.Shift); + end; - Format: TglBitmapInternalFormat; - LineSize, Padding, LineIdx: Integer; - RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; + ////////////////////////////////////////////////////////////////////////////////////////////////// + function CheckBitfields(var aFormat: TglBitmapFormat; const aMask: TglBitmapRec4ul; const aInfo: TBMPInfo): TbmpBitfieldFormat; + var + fd: TFormatDescriptor; + begin + result := nil; + if (aMask.r <> 0) or (aMask.g <> 0) or (aMask.b <> 0) or (aMask.a <> 0) then begin + + // find suitable format ... + fd := TFormatDescriptor.GetFromMask(aMask); + if (fd.Format <> tfEmpty) then begin + aFormat := fd.Format; + exit; + end; + + // or create custom bitfield format + result := TbmpBitfieldFormat.Create; + result.SetCustomValues(aInfo.biBitCount, aMask); + end; + end; +var + //simple types + StartPos: Int64; + ImageSize, rbLineSize, wbLineSize, Padding, i: Integer; PaddingBuff: Cardinal; + LineBuf, ImageData, TmpData: PByte; + SourceMD, DestMD: Pointer; + BmpFormat: TglBitmapFormat; + + //records + Mask: TglBitmapRec4ul; + Header: TBMPHeader; + Info: TBMPInfo; + //classes + SpecialFormat: TFormatDescriptor; + FormatDesc: TFormatDescriptor; - function GetLineWidth : Integer; + ////////////////////////////////////////////////////////////////////////////////////////////////// + procedure SpecialFormatReadLine(aData: PByte; aLineBuf: PByte); + var + i: Integer; + Pixel: TglBitmapPixelData; begin - Result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; + aStream.Read(aLineBuf^, rbLineSize); + SpecialFormat.PreparePixel(Pixel); + for i := 0 to Info.biWidth-1 do begin + SpecialFormat.Unmap(aLineBuf, Pixel, SourceMD); + glBitmapConvertPixel(Pixel, SpecialFormat, FormatDesc); + FormatDesc.Map(Pixel, aData, DestMD); + end; end; - begin - Result := False; - - RedMask := 0; - GreenMask := 0; - BlueMask := 0; - Format := ifEmpty; + result := false; + BmpFormat := tfEmpty; + SpecialFormat := nil; + LineBuf := nil; + SourceMD := nil; + DestMD := nil; // Header - StreamPos := Stream.Position; - Stream.Read(Header, SizeOf(Header)); + StartPos := aStream.Position; + aStream.Read(Header{%H-}, SizeOf(Header)); if Header.bfType = BMP_MAGIC then begin - Stream.Read(Info, SizeOf(Info)); - - // Check for Compression - if Info.biCompression <> BMP_COMP_RGB then begin - if Info.biCompression = BMP_COMP_BITFIELDS then begin - // Read Bitmasks for 16 or 32 Bit (24 Bit dosn't support Bitmasks!) - if (Info.biBitCount = 16) or (Info.biBitCount = 32) then begin - Stream.Read(RedMask, SizeOf(Cardinal)); - Stream.Read(GreenMask, SizeOf(Cardinal)); - Stream.Read(BlueMask, SizeOf(Cardinal)); - Stream.Read(AlphaMask, SizeOf(Cardinal)); + try try + BmpFormat := ReadInfo(Info, Mask); + SpecialFormat := ReadColorTable(BmpFormat, Info); + if not Assigned(SpecialFormat) then + SpecialFormat := CheckBitfields(BmpFormat, Mask, Info); + aStream.Position := StartPos + Header.bfOffBits; + + if (BmpFormat <> tfEmpty) then begin + FormatDesc := TFormatDescriptor.Get(BmpFormat); + rbLineSize := Round(Info.biWidth * Info.biBitCount / 8); //ReadBuffer LineSize + wbLineSize := Trunc(Info.biWidth * FormatDesc.BytesPerPixel); + Padding := (((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3) - rbLineSize; + + //get Memory + DestMD := FormatDesc.CreateMappingData; + ImageSize := FormatDesc.GetSize(Info.biWidth, abs(Info.biHeight)); + GetMem(ImageData, ImageSize); + if Assigned(SpecialFormat) then begin + GetMem(LineBuf, rbLineSize); //tmp Memory for converting Bitfields + SourceMD := SpecialFormat.CreateMappingData; end; - end else begin - // RLE compression is unsupported - Stream.Position := StreamPos; - - Exit; - end; - end; - - // Skip palette - if Info.biBitCount < 16 then - Stream.Position := Stream.Position + Info.biClrUsed * 4; - - // Jump to the data - Stream.Position := StreamPos + Header.bfOffBits; - - // Select Format - case Info.biBitCount of - 8 : Format := ifLuminance; - 16: - begin - if (RedMask = 0) and (GreenMask = 0) and (BlueMask = 0) then begin - Format := ifRGB5A1; - end else begin - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifLuminanceAlpha) then - Format := ifLuminanceAlpha; - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifRGBA4) then - Format := ifRGBA4; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, 0, ifRGB5A1) then - Format := ifRGB5A1; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, 0, ifR5G6B5) then - Format := ifR5G6B5; - end; - end; - 24: Format := ifBGR8; - 32: - begin - if (RedMask = 0) and (GreenMask = 0) and (BlueMask = 0) then begin - Format := ifBGRA8; - end else begin - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifRGBA8) then - Format := ifRGBA8; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifBGRA8) then - Format := ifBGRA8; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifRGB10A2) then - Format := ifRGB10A2; + //read Data + try try + FillChar(ImageData^, ImageSize, $FF); + TmpData := ImageData; + if (Info.biHeight > 0) then + Inc(TmpData, wbLineSize * (Info.biHeight-1)); + for i := 0 to Abs(Info.biHeight)-1 do begin + if Assigned(SpecialFormat) then + SpecialFormatReadLine(TmpData, LineBuf) //if is special format read and convert data + else + aStream.Read(TmpData^, wbLineSize); //else only read data + if (Info.biHeight > 0) then + dec(TmpData, wbLineSize) + else + inc(TmpData, wbLineSize); + aStream.Read(PaddingBuff{%H-}, Padding); end; + SetData(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight)); + result := true; + finally + if Assigned(LineBuf) then + FreeMem(LineBuf); + if Assigned(SourceMD) then + SpecialFormat.FreeMappingData(SourceMD); + FormatDesc.FreeMappingData(DestMD); end; - end; - - if Format <> ifEmpty then begin - LineSize := Trunc(Info.biWidth * FormatGetSize(Format)); - Padding := GetLineWidth - LineSize; - - // copying data - GetMem(NewImage, Info.biHeight * LineSize); - try - FillChar(NewImage^, Info.biHeight * LineSize, $FF); - - // Set pData to last Line - pData := NewImage; - Inc(pData, LineSize * (Info.biHeight -1)); - - // Copy Image Data - for LineIdx := 0 to Info.biHeight - 1 do begin - Stream.Read(pData^, LineSize); - Dec(pData, LineSize); - - Stream.Read(PaddingBuff, Padding); + except + if Assigned(ImageData) then + FreeMem(ImageData); + raise; end; + end else + raise EglBitmap.Create('LoadBMP - No suitable format found'); + except + aStream.Position := StartPos; + raise; + end; + finally + FreeAndNil(SpecialFormat); + end; + end + else aStream.Position := StartPos; +end; - // Set new Image - SetDataPointer(NewImage, Format, Info.biWidth, Info.biHeight); - - Result := True; - except - FreeMem(NewImage); - raise; - end; - end; - end - else Stream.Position := StreamPos; -end; - - -const - DDS_MAGIC = $20534444; - - // DDS_header.dwFlags - DDSD_CAPS = $00000001; - DDSD_HEIGHT = $00000002; - DDSD_WIDTH = $00000004; - DDSD_PITCH = $00000008; - DDSD_PIXELFORMAT = $00001000; - DDSD_MIPMAPCOUNT = $00020000; - DDSD_LINEARSIZE = $00080000; - DDSD_DEPTH = $00800000; - - // DDS_header.sPixelFormat.dwFlags - DDPF_ALPHAPIXELS = $00000001; - DDPF_FOURCC = $00000004; - DDPF_INDEXED = $00000020; - DDPF_RGB = $00000040; - - // DDS_header.sCaps.dwCaps1 - DDSCAPS_COMPLEX = $00000008; - DDSCAPS_TEXTURE = $00001000; - DDSCAPS_MIPMAP = $00400000; - - // DDS_header.sCaps.dwCaps2 - DDSCAPS2_CUBEMAP = $00000200; - DDSCAPS2_CUBEMAP_POSITIVEX = $00000400; - DDSCAPS2_CUBEMAP_NEGATIVEX = $00000800; - DDSCAPS2_CUBEMAP_POSITIVEY = $00001000; - DDSCAPS2_CUBEMAP_NEGATIVEY = $00002000; - DDSCAPS2_CUBEMAP_POSITIVEZ = $00004000; - DDSCAPS2_CUBEMAP_NEGATIVEZ = $00008000; - DDSCAPS2_VOLUME = $00200000; - - D3DFMT_DXT1 = $31545844; - D3DFMT_DXT3 = $33545844; - D3DFMT_DXT5 = $35545844; - -type - TDDSPixelFormat = packed record - dwSize: Cardinal; - dwFlags: Cardinal; - dwFourCC: Cardinal; - dwRGBBitCount: Cardinal; - dwRBitMask: Cardinal; - dwGBitMask: Cardinal; - dwBBitMask: Cardinal; - dwAlphaBitMask: Cardinal; - end; - - TDDSCaps = packed record - dwCaps1: Cardinal; - dwCaps2: Cardinal; - dwDDSX: Cardinal; - dwReserved: Cardinal; - end; - - TDDSHeader = packed record - dwMagic: Cardinal; - dwSize: Cardinal; - dwFlags: Cardinal; - dwHeight: Cardinal; - dwWidth: Cardinal; - dwPitchOrLinearSize: Cardinal; - dwDepth: Cardinal; - dwMipMapCount: Cardinal; - dwReserved: array[0..10] of Cardinal; - PixelFormat: TDDSPixelFormat; - Caps: TDDSCaps; - dwReserved2: Cardinal; - end; - - -function TglBitmap.LoadDDS(Stream: TStream): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveBMP(const aStream: TStream); var - Header: TDDSHeader; - StreamPos: Int64; - Y, LineSize: Cardinal; - -// MipMapCount, X, Y, XSize, YSize: Cardinal; - RowSize: Cardinal; - NewImage, pData: pByte; - Format: TglBitmapInternalFormat; + Header: TBMPHeader; + Info: TBMPInfo; + Converter: TFormatDescriptor; + FormatDesc: TFormatDescriptor; + SourceFD, DestFD: Pointer; + pData, srcData, dstData, ConvertBuffer: pByte; + Pixel: TglBitmapPixelData; + ImageSize, wbLineSize, rbLineSize, Padding, LineIdx, PixelIdx: Integer; + RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; - function RaiseEx : Exception; - begin - Result := EglBitmapException.Create('LoadDDS - unsupported Pixelformat found.'); - end; + PaddingBuff: Cardinal; - - function GetInternalFormat: TglBitmapInternalFormat; + function GetLineWidth : Integer; begin - with Header.PixelFormat do begin - // Compresses - if (dwFlags and DDPF_FOURCC) > 0 then begin - case Header.PixelFormat.dwFourCC of - D3DFMT_DXT1: Result := ifDXT1; - D3DFMT_DXT3: Result := ifDXT3; - D3DFMT_DXT5: Result := ifDXT5; - else - raise RaiseEx; - end; - end else - - // RGB - if (dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS)) > 0 then begin - case dwRGBBitCount of - 8: - begin - if dwFlags and DDPF_ALPHAPIXELS > 0 then - Result := ifAlpha - else - Result := ifLuminance; - end; - 16: - begin - if dwFlags and DDPF_ALPHAPIXELS > 0 then begin - // Alpha - case GetBitSize(dwRBitMask) of - 5: Result := ifRGB5A1; - 4: Result := ifRGBA4; - else - Result := ifLuminanceAlpha; - end; - end else begin - // no Alpha - Result := ifR5G6B5; - end; - end; - 24: - begin - if dwRBitMask > dwBBitMask then - Result := ifBGR8 - else - Result := ifRGB8; - end; - 32: - begin - if GetBitSize(dwRBitMask) = 10 then - Result := ifRGB10A2 - else - - if dwRBitMask > dwBBitMask then - Result := ifBGRA8 - else - Result := ifRGBA8; - end; - else - raise RaiseEx; - end; - end else - raise RaiseEx; - end; + result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; end; begin - Result := False; + if not (ftBMP in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); - // Header - StreamPos := Stream.Position; - Stream.Read(Header, sizeof(Header)); - - if ((Header.dwMagic <> DDS_MAGIC) or (Header.dwSize <> 124) or - ((Header.dwFlags and DDSD_PIXELFORMAT) = 0) or ((Header.dwFlags and DDSD_CAPS) = 0)) then begin - Stream.Position := StreamPos; - Exit; - end; + Converter := nil; + FormatDesc := TFormatDescriptor.Get(Format); + ImageSize := FormatDesc.GetSize(Dimension); - // Pixelformat -// if Header.dwFlags and DDSD_MIPMAPCOUNT <> 0 -// then MipMapCount := Header.dwMipMapCount -// else MipMapCount := 1; + FillChar(Header{%H-}, SizeOf(Header), 0); + Header.bfType := BMP_MAGIC; + Header.bfSize := SizeOf(Header) + SizeOf(Info) + ImageSize; + Header.bfReserved1 := 0; + Header.bfReserved2 := 0; + Header.bfOffBits := SizeOf(Header) + SizeOf(Info); - Format := GetInternalFormat; - LineSize := Trunc(Header.dwWidth * FormatGetSize(Format)); + FillChar(Info{%H-}, SizeOf(Info), 0); + Info.biSize := SizeOf(Info); + Info.biWidth := Width; + Info.biHeight := Height; + Info.biPlanes := 1; + Info.biCompression := BMP_COMP_RGB; + Info.biSizeImage := ImageSize; - GetMem(NewImage, Header.dwHeight * LineSize); try - pData := NewImage; - - // Compressed - if (Header.PixelFormat.dwFlags and DDPF_FOURCC) > 0 then begin - RowSize := Header.dwPitchOrLinearSize div Header.dwWidth; + case Format of + tfAlpha4ub1, tfAlpha8ub1, tfLuminance4ub1, tfLuminance8ub1, tfR3G3B2ub1: + begin + Info.biBitCount := 8; + Header.bfSize := Header.bfSize + 256 * SizeOf(Cardinal); + Header.bfOffBits := Header.bfOffBits + 256 * SizeOf(Cardinal); //256 ColorTable entries + Converter := TbmpColorTableFormat.Create; + with (Converter as TbmpColorTableFormat) do begin + SetCustomValues(fFormat, 8, FormatDesc.Precision, FormatDesc.Shift); + CreateColorTable; + end; + end; - for Y := 0 to Header.dwHeight -1 do begin - Stream.Read(pData^, RowSize); - Inc(pData, LineSize); + tfLuminance4Alpha4ub2, tfLuminance6Alpha2ub2, tfLuminance8Alpha8ub2, + tfRGBX4us1, tfXRGB4us1, tfRGB5X1us1, tfX1RGB5us1, tfR5G6B5us1, tfRGB5A1us1, tfA1RGB5us1, tfRGBA4us1, tfARGB4us1, + tfBGRX4us1, tfXBGR4us1, tfBGR5X1us1, tfX1BGR5us1, tfB5G6R5us1, tfBGR5A1us1, tfA1BGR5us1, tfBGRA4us1, tfABGR4us1: + begin + Info.biBitCount := 16; + Info.biCompression := BMP_COMP_BITFIELDS; end; - end else - // RGB(A) - if (Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS)) > 0 then begin - RowSize := Header.dwPitchOrLinearSize; + tfBGR8ub3, tfRGB8ub3: + begin + Info.biBitCount := 24; + if (Format = tfRGB8ub3) then + Converter := TfdBGR8ub3.Create; //use BGR8 Format Descriptor to Swap RGB Values + end; - for Y := 0 to Header.dwHeight -1 do begin - Stream.Read(pData^, RowSize); - Inc(pData, LineSize); + tfRGBX8ui1, tfXRGB8ui1, tfRGB10X2ui1, tfX2RGB10ui1, tfRGBA8ui1, tfARGB8ui1, tfRGBA8ub4, tfRGB10A2ui1, tfA2RGB10ui1, + tfBGRX8ui1, tfXBGR8ui1, tfBGR10X2ui1, tfX2BGR10ui1, tfBGRA8ui1, tfABGR8ui1, tfBGRA8ub4, tfBGR10A2ui1, tfA2BGR10ui1: + begin + Info.biBitCount := 32; + Info.biCompression := BMP_COMP_BITFIELDS; end; - end - else raise RaiseEx; + else + raise EglBitmapUnsupportedFormat.Create(Format); + end; + Info.biXPelsPerMeter := 2835; + Info.biYPelsPerMeter := 2835; + + // prepare bitmasks + if Info.biCompression = BMP_COMP_BITFIELDS then begin + Header.bfSize := Header.bfSize + 4 * SizeOf(Cardinal); + Header.bfOffBits := Header.bfOffBits + 4 * SizeOf(Cardinal); + + RedMask := FormatDesc.Mask.r; + GreenMask := FormatDesc.Mask.g; + BlueMask := FormatDesc.Mask.b; + AlphaMask := FormatDesc.Mask.a; + end; - SetDataPointer(NewImage, Format, Header.dwWidth, Header.dwHeight); + // headers + aStream.Write(Header, SizeOf(Header)); + aStream.Write(Info, SizeOf(Info)); + + // colortable + if Assigned(Converter) and (Converter is TbmpColorTableFormat) then + with (Converter as TbmpColorTableFormat) do + aStream.Write(ColorTable[0].b, + SizeOf(TbmpColorTableEnty) * Length(ColorTable)); + + // bitmasks + if Info.biCompression = BMP_COMP_BITFIELDS then begin + aStream.Write(RedMask, SizeOf(Cardinal)); + aStream.Write(GreenMask, SizeOf(Cardinal)); + aStream.Write(BlueMask, SizeOf(Cardinal)); + aStream.Write(AlphaMask, SizeOf(Cardinal)); + end; - Result := True; - except - FreeMem(NewImage); - raise; + // image data + rbLineSize := Round(Info.biWidth * FormatDesc.BytesPerPixel); + wbLineSize := Round(Info.biWidth * Info.biBitCount / 8); + Padding := GetLineWidth - wbLineSize; + PaddingBuff := 0; + + pData := Data; + inc(pData, (Height-1) * rbLineSize); + + // prepare row buffer. But only for RGB because RGBA supports color masks + // so it's possible to change color within the image. + if Assigned(Converter) then begin + FormatDesc.PreparePixel(Pixel); + GetMem(ConvertBuffer, wbLineSize); + SourceFD := FormatDesc.CreateMappingData; + DestFD := Converter.CreateMappingData; + end else + ConvertBuffer := nil; + + try + for LineIdx := 0 to Height - 1 do begin + // preparing row + if Assigned(Converter) then begin + srcData := pData; + dstData := ConvertBuffer; + for PixelIdx := 0 to Info.biWidth-1 do begin + FormatDesc.Unmap(srcData, Pixel, SourceFD); + glBitmapConvertPixel(Pixel, FormatDesc, Converter); + Converter.Map(Pixel, dstData, DestFD); + end; + aStream.Write(ConvertBuffer^, wbLineSize); + end else begin + aStream.Write(pData^, rbLineSize); + end; + dec(pData, rbLineSize); + if (Padding > 0) then + aStream.Write(PaddingBuff, Padding); + end; + finally + // destroy row buffer + if Assigned(ConvertBuffer) then begin + FormatDesc.FreeMappingData(SourceFD); + Converter.FreeMappingData(DestFD); + FreeMem(ConvertBuffer); + end; + end; + finally + if Assigned(Converter) then + Converter.Free; end; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TGA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// type TTGAHeader = packed record ImageID: Byte; ColorMapType: Byte; ImageType: Byte; - ColorMapSpec: Array[0..4] of Byte; + //ColorMapSpec: Array[0..4] of Byte; + ColorMapStart: Word; + ColorMapLength: Word; + ColorMapEntrySize: Byte; OrigX: Word; OrigY: Word; Width: Word; Height: Word; Bpp: Byte; - ImageDes: Byte; + ImageDesc: Byte; end; const - TGA_UNCOMPRESSED_RGB = 2; - TGA_UNCOMPRESSED_GRAY = 3; - TGA_COMPRESSED_RGB = 10; - TGA_COMPRESSED_GRAY = 11; - + TGA_UNCOMPRESSED_RGB = 2; + TGA_UNCOMPRESSED_GRAY = 3; + TGA_COMPRESSED_RGB = 10; + TGA_COMPRESSED_GRAY = 11; + TGA_NONE_COLOR_TABLE = 0; -function TglBitmap.LoadTGA(Stream: TStream): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadTGA(const aStream: TStream): Boolean; var Header: TTGAHeader; - NewImage, pData: PByte; - StreamPos: Int64; - PixelSize, LineSize, YStart, YEnd, YInc: Integer; - Format: TglBitmapInternalFormat; + ImageData: System.PByte; + StartPosition: Int64; + PixelSize, LineSize: Integer; + tgaFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + Counter: packed record + X, Y: packed record + low, high, dir: Integer; + end; + end; const CACHE_SIZE = $4000; + //////////////////////////////////////////////////////////////////////////////////////// procedure ReadUncompressed; var - RowSize: Integer; + i, j: Integer; + buf, tmp1, tmp2: System.PByte; begin - RowSize := Header.Width * PixelSize; - - // copy line by line - while YStart <> YEnd + YInc do begin - pData := NewImage; - Inc(pData, YStart * LineSize); - - Stream.Read(pData^, RowSize); - Inc(YStart, YInc); + buf := nil; + if (Counter.X.dir < 0) then + GetMem(buf, LineSize); + try + while (Counter.Y.low <> Counter.Y.high + counter.Y.dir) do begin + tmp1 := ImageData; + inc(tmp1, (Counter.Y.low * LineSize)); //pointer to LineStart + if (Counter.X.dir < 0) then begin //flip X + aStream.Read(buf^, LineSize); + tmp2 := buf; + inc(tmp2, LineSize - PixelSize); //pointer to last pixel in line + for i := 0 to Header.Width-1 do begin //for all pixels in line + for j := 0 to PixelSize-1 do begin //for all bytes in pixel + tmp1^ := tmp2^; + inc(tmp1); + inc(tmp2); + end; + dec(tmp2, 2*PixelSize); //move 2 backwards, because j-loop moved 1 forward + end; + end else + aStream.Read(tmp1^, LineSize); + inc(Counter.Y.low, Counter.Y.dir); //move to next line index + end; + finally + if Assigned(buf) then + FreeMem(buf); end; end; - + //////////////////////////////////////////////////////////////////////////////////////// procedure ReadCompressed; - var - HeaderWidth, HeaderHeight: Integer; - LinePixelsRead, ImgPixelsRead, ImgPixelsToRead: Integer; - - Cache: PByte; - CacheSize, CachePos: Integer; - - Temp: Byte; - TempBuf: Array [0..15] of Byte; - - PixelRepeat: Boolean; - PixelToRead, TempPixels: Integer; - + ///////////////////////////////////////////////////////////////// + var + TmpData: System.PByte; + LinePixelsRead: Integer; procedure CheckLine; begin - if LinePixelsRead >= HeaderWidth then begin + if (LinePixelsRead >= Header.Width) then begin LinePixelsRead := 0; - pData := NewImage; - Inc(YStart, YInc); - Inc(pData, YStart * LineSize); + inc(Counter.Y.low, Counter.Y.dir); //next line index + TmpData := ImageData; + inc(TmpData, Counter.Y.low * LineSize); //set line + if (Counter.X.dir < 0) then //if x flipped then + inc(TmpData, LineSize - PixelSize); //set last pixel end; end; - - procedure CachedRead(var Buffer; Count: Integer); + ///////////////////////////////////////////////////////////////// + var + Cache: PByte; + CacheSize, CachePos: Integer; + procedure CachedRead(out Buffer; Count: Integer); var BytesRead: Integer; begin - if (CachePos + Count) > CacheSize then begin + if (CachePos + Count > CacheSize) then begin + //if buffer overflow save non read bytes BytesRead := 0; - - // Read Data - if CacheSize - CachePos > 0 then begin + if (CacheSize - CachePos > 0) then begin BytesRead := CacheSize - CachePos; - - Move(pByteArray(Cache)^[CachePos], Buffer, BytesRead); - Inc(CachePos, BytesRead); + Move(PByteArray(Cache)^[CachePos], Buffer{%H-}, BytesRead); + inc(CachePos, BytesRead); end; - // Reload Data - CacheSize := Min(CACHE_SIZE, Stream.Size - Stream.Position); - Stream.Read(Cache^, CacheSize); + //load cache from file + CacheSize := Min(CACHE_SIZE, aStream.Size - aStream.Position); + aStream.Read(Cache^, CacheSize); CachePos := 0; - // Read else - if Count - BytesRead > 0 then begin - Move(pByteArray(Cache)^[CachePos], TByteArray(Buffer)[BytesRead], Count - BytesRead); - Inc(CachePos, Count - BytesRead); + //read rest of requested bytes + if (Count - BytesRead > 0) then begin + Move(PByteArray(Cache)^[CachePos], TByteArray(Buffer)[BytesRead], Count - BytesRead); + inc(CachePos, Count - BytesRead); end; end else begin - Move(pByteArray(Cache)^[CachePos], Buffer, Count); - Inc(CachePos, Count); + //if no buffer overflow just read the data + Move(PByteArray(Cache)^[CachePos], Buffer, Count); + inc(CachePos, Count); end; end; + procedure PixelToBuffer(const aData: PByte; var aBuffer: PByte); + begin + case PixelSize of + 1: begin + aBuffer^ := aData^; + inc(aBuffer, Counter.X.dir); + end; + 2: begin + PWord(aBuffer)^ := PWord(aData)^; + inc(aBuffer, 2 * Counter.X.dir); + end; + 3: begin + PByteArray(aBuffer)^[0] := PByteArray(aData)^[0]; + PByteArray(aBuffer)^[1] := PByteArray(aData)^[1]; + PByteArray(aBuffer)^[2] := PByteArray(aData)^[2]; + inc(aBuffer, 3 * Counter.X.dir); + end; + 4: begin + PCardinal(aBuffer)^ := PCardinal(aData)^; + inc(aBuffer, 4 * Counter.X.dir); + end; + end; + end; + var + TotalPixelsToRead, TotalPixelsRead: Integer; + Temp: Byte; + buf: array [0..3] of Byte; //1 pixel is max 32bit long + PixelRepeat: Boolean; + PixelsToRead, PixelCount: Integer; begin CacheSize := 0; - CachePos := 0; + CachePos := 0; - HeaderWidth := Header.Width; - HeaderHeight := Header.Height; + TotalPixelsToRead := Header.Width * Header.Height; + TotalPixelsRead := 0; + LinePixelsRead := 0; - GetMem(Cache, CACHE_SIZE); // 16K Buffer + GetMem(Cache, CACHE_SIZE); try - ImgPixelsToRead := HeaderWidth * HeaderHeight; - ImgPixelsRead := 0; - LinePixelsRead := 0; + TmpData := ImageData; + inc(TmpData, Counter.Y.low * LineSize); //set line + if (Counter.X.dir < 0) then //if x flipped then + inc(TmpData, LineSize - PixelSize); //set last pixel - pData := NewImage; - Inc(pData, YStart * LineSize); - - // Read until all Pixels repeat + //read CommandByte CachedRead(Temp, 1); - - PixelRepeat := Temp and $80 > 0; - PixelToRead := (Temp and $7F) + 1; - - Inc(ImgPixelsRead, PixelToRead); - - if PixelRepeat then begin - // repeat one pixel x times - CachedRead(TempBuf[0], PixelSize); - - // repeat Pixel - while PixelToRead > 0 do begin - CheckLine; - - TempPixels := HeaderWidth - LinePixelsRead; - if PixelToRead < TempPixels then - TempPixels := PixelToRead; - - Inc(LinePixelsRead, TempPixels); - Dec(PixelToRead, TempPixels); - - while TempPixels > 0 do begin - case PixelSize of - 1: - begin - pData^ := TempBuf[0]; - Inc(pData); - end; - 2: - begin - pWord(pData)^ := pWord(@TempBuf[0])^; - Inc(pData, 2); - end; - 3: - begin - pWord(pData)^ := pWord(@TempBuf[0])^; - Inc(pData, 2); - pData^ := TempBuf[2]; - Inc(pData); - end; - 4: - begin - pDWord(pData)^ := pDWord(@TempBuf[0])^; - Inc(pData, 4); - end; - end; - - Dec(TempPixels); - end; - end; - end else begin - // copy x pixels - while PixelToRead > 0 do begin - CheckLine; - - TempPixels := HeaderWidth - LinePixelsRead; - if PixelToRead < TempPixels then - TempPixels := PixelToRead; - - CachedRead(pData^, PixelSize * TempPixels); - Inc(pData, PixelSize * TempPixels); - - Inc(LinePixelsRead, TempPixels); - - Dec(PixelToRead, TempPixels); + PixelRepeat := (Temp and $80) > 0; + PixelsToRead := (Temp and $7F) + 1; + inc(TotalPixelsRead, PixelsToRead); + + if PixelRepeat then + CachedRead(buf[0], PixelSize); + while (PixelsToRead > 0) do begin + CheckLine; + PixelCount := Min(Header.Width - LinePixelsRead, PixelsToRead); //max read to EOL or EOF + while (PixelCount > 0) do begin + if not PixelRepeat then + CachedRead(buf[0], PixelSize); + PixelToBuffer(@buf[0], TmpData); + inc(LinePixelsRead); + dec(PixelsToRead); + dec(PixelCount); end; end; - until ImgPixelsRead >= ImgPixelsToRead; + until (TotalPixelsRead >= TotalPixelsToRead); finally - FreeMem(Cache) + FreeMem(Cache); end; end; + function IsGrayFormat: Boolean; + begin + result := Header.ImageType in [TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_GRAY]; + end; + begin - Result := False; + result := false; // reading header to test file and set cursor back to begin - StreamPos := Stream.Position; - Stream.Read(Header, SizeOf(Header)); + StartPosition := aStream.Position; + aStream.Read(Header{%H-}, SizeOf(Header)); // no colormapped files - if (Header.ColorMapType = 0) then begin - if Header.ImageType in [TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY] then begin + if (Header.ColorMapType = TGA_NONE_COLOR_TABLE) and (Header.ImageType in [ + TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY]) then + begin + try + if Header.ImageID <> 0 then // skip image ID + aStream.Position := aStream.Position + Header.ImageID; + + tgaFormat := tfEmpty; case Header.Bpp of - 8: Format := ifAlpha; - 16: Format := ifLuminanceAlpha; - 24: Format := ifBGR8; - 32: Format := ifBGRA8; - else - raise EglBitmapException.Create('LoadTga - unsupported BitsPerPixel found.'); + 8: if IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfLuminance8ub1; + 8: tgaFormat := tfAlpha8ub1; + end; + + 16: if IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfLuminance16us1; + 8: tgaFormat := tfLuminance8Alpha8ub2; + end else case (Header.ImageDesc and $F) of + 0: tgaFormat := tfX1RGB5us1; + 1: tgaFormat := tfA1RGB5us1; + 4: tgaFormat := tfARGB4us1; + end; + + 24: if not IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfBGR8ub3; + end; + + 32: if IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfDepth32ui1; + end else case (Header.ImageDesc and $F) of + 0: tgaFormat := tfX2RGB10ui1; + 2: tgaFormat := tfA2RGB10ui1; + 8: tgaFormat := tfARGB8ui1; + end; end; - // skip image ID - if Header.ImageID <> 0 then - Stream.Position := Stream.Position + Header.ImageID; + if (tgaFormat = tfEmpty) then + raise EglBitmap.Create('LoadTga - unsupported format'); - PixelSize := Trunc(FormatGetSize(Format)); - LineSize := Trunc(Header.Width * PixelSize); + FormatDesc := TFormatDescriptor.Get(tgaFormat); + PixelSize := FormatDesc.GetSize(1, 1); + LineSize := FormatDesc.GetSize(Header.Width, 1); - GetMem(NewImage, LineSize * Header.Height); + GetMem(ImageData, LineSize * Header.Height); try + //column direction + if ((Header.ImageDesc and (1 shl 4)) > 0) then begin + Counter.X.low := Header.Height-1;; + Counter.X.high := 0; + Counter.X.dir := -1; + end else begin + Counter.X.low := 0; + Counter.X.high := Header.Height-1; + Counter.X.dir := 1; + end; + // Row direction - if (Header.ImageDes and $20 > 0) then begin - YStart := 0; - YEnd := Header.Height -1; - YInc := 1; + if ((Header.ImageDesc and (1 shl 5)) > 0) then begin + Counter.Y.low := 0; + Counter.Y.high := Header.Height-1; + Counter.Y.dir := 1; end else begin - YStart := Header.Height -1; - YEnd := 0; - YInc := -1; + Counter.Y.low := Header.Height-1;; + Counter.Y.high := 0; + Counter.Y.dir := -1; end; // Read Image @@ -4367,2309 +6165,2561 @@ begin ReadCompressed; end; - SetDataPointer(NewImage, Format, Header.Width, Header.Height); - - Result := True; + SetData(ImageData, tgaFormat, Header.Width, Header.Height); + result := true; except - FreeMem(NewImage); + if Assigned(ImageData) then + FreeMem(ImageData); raise; end; - end - else Stream.Position := StreamPos; + finally + aStream.Position := StartPosition; + end; end - else Stream.Position := StreamPos; -end; - - -{$ifdef GLB_SUPPORT_PNG_WRITE} -{$ifdef GLB_LIB_PNG} -procedure glBitmap_libPNG_write_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; -begin - TStream(png_get_io_ptr(png)).Write(buffer^, size); + else aStream.Position := StartPosition; end; -{$endif} -procedure TglBitmap.SavePNG(Stream: TStream); -{$ifdef GLB_LIB_PNG} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveTGA(const aStream: TStream); var - png: png_structp; - png_info: png_infop; - png_rows: array of pByte; - LineSize: Integer; - ColorType: Integer; - Row: Integer; -begin - if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); - - if not init_libPNG then - raise Exception.Create('SavePNG - unable to initialize libPNG.'); - - try - case FInternalFormat of - ifAlpha, ifLuminance, ifDepth8: - ColorType := PNG_COLOR_TYPE_GRAY; - ifLuminanceAlpha: - ColorType := PNG_COLOR_TYPE_GRAY_ALPHA; - ifBGR8, ifRGB8: - ColorType := PNG_COLOR_TYPE_RGB; - ifBGRA8, ifRGBA8: - ColorType := PNG_COLOR_TYPE_RGBA; - else - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; - - LineSize := Trunc(FormatGetSize(FInternalFormat) * Width); - - // creating array for scanline - SetLength(png_rows, Height); - try - for Row := 0 to Height - 1 do begin - png_rows[Row] := Data; - Inc(png_rows[Row], Row * LineSize) - end; + Header: TTGAHeader; + Size: Integer; + FormatDesc: TFormatDescriptor; +begin + if not (ftTGA in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + //prepare header + FormatDesc := TFormatDescriptor.Get(Format); + FillChar(Header{%H-}, SizeOf(Header), 0); + Header.ImageDesc := CountSetBits(FormatDesc.Range.a) and $F; + Header.Bpp := FormatDesc.BitsPerPixel; + Header.Width := Width; + Header.Height := Height; + Header.ImageDesc := Header.ImageDesc or $20; //flip y + if FormatDesc.IsGrayscale or (not FormatDesc.IsGrayscale and not FormatDesc.HasRed and FormatDesc.HasAlpha) then + Header.ImageType := TGA_UNCOMPRESSED_GRAY + else + Header.ImageType := TGA_UNCOMPRESSED_RGB; + aStream.Write(Header, SizeOf(Header)); - // write struct - png := png_create_write_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); - if png = nil then - raise EglBitmapException.Create('SavePng - couldn''t create write struct.'); + // write Data + Size := FormatDesc.GetSize(Dimension); + aStream.Write(Data^, Size); +end; - // create png info - png_info := png_create_info_struct(png); - if png_info = nil then begin - png_destroy_write_struct(@png, nil); - raise EglBitmapException.Create('SavePng - couldn''t create info struct.'); - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//DDS///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +const + DDS_MAGIC: Cardinal = $20534444; - // set read callback - png_set_write_fn(png, stream, glBitmap_libPNG_write_func, nil); + // DDS_header.dwFlags + DDSD_CAPS = $00000001; + DDSD_HEIGHT = $00000002; + DDSD_WIDTH = $00000004; + DDSD_PIXELFORMAT = $00001000; - // set compression - png_set_compression_level(png, 6); + // DDS_header.sPixelFormat.dwFlags + DDPF_ALPHAPIXELS = $00000001; + DDPF_ALPHA = $00000002; + DDPF_FOURCC = $00000004; + DDPF_RGB = $00000040; + DDPF_LUMINANCE = $00020000; - if InternalFormat in [ifBGR8, ifBGRA8] then - png_set_bgr(png); + // DDS_header.sCaps.dwCaps1 + DDSCAPS_TEXTURE = $00001000; - // setup header - png_set_IHDR(png, png_info, Width, Height, 8, ColorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); + // DDS_header.sCaps.dwCaps2 + DDSCAPS2_CUBEMAP = $00000200; - // write info - png_write_info(png, png_info); + D3DFMT_DXT1 = $31545844; + D3DFMT_DXT3 = $33545844; + D3DFMT_DXT5 = $35545844; - // write image data - png_write_image(png, @png_rows[0]); +type + TDDSPixelFormat = packed record + dwSize: Cardinal; + dwFlags: Cardinal; + dwFourCC: Cardinal; + dwRGBBitCount: Cardinal; + dwRBitMask: Cardinal; + dwGBitMask: Cardinal; + dwBBitMask: Cardinal; + dwABitMask: Cardinal; + end; - // write end - png_write_end(png, png_info); + TDDSCaps = packed record + dwCaps1: Cardinal; + dwCaps2: Cardinal; + dwDDSX: Cardinal; + dwReserved: Cardinal; + end; - // destroy write struct - png_destroy_write_struct(@png, @png_info); - finally - SetLength(png_rows, 0); - end; - finally - quit_libPNG; + TDDSHeader = packed record + dwSize: Cardinal; + dwFlags: Cardinal; + dwHeight: Cardinal; + dwWidth: Cardinal; + dwPitchOrLinearSize: Cardinal; + dwDepth: Cardinal; + dwMipMapCount: Cardinal; + dwReserved: array[0..10] of Cardinal; + PixelFormat: TDDSPixelFormat; + Caps: TDDSCaps; + dwReserved2: Cardinal; end; -end; -{$endif} -{$ifdef GLB_PNGIMAGE} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadDDS(const aStream: TStream): Boolean; var - Png: TPNGObject; + Header: TDDSHeader; + Converter: TbmpBitfieldFormat; - pSource, pDest: pByte; - X, Y, PixSize: Integer; - ColorType: Cardinal; - Alpha: Boolean; + function GetDDSFormat: TglBitmapFormat; + var + fd: TFormatDescriptor; + i: Integer; + Mask: TglBitmapRec4ul; + Range: TglBitmapRec4ui; + match: Boolean; + begin + result := tfEmpty; + with Header.PixelFormat do begin + // Compresses + if ((dwFlags and DDPF_FOURCC) > 0) then begin + case Header.PixelFormat.dwFourCC of + D3DFMT_DXT1: result := tfS3tcDtx1RGBA; + D3DFMT_DXT3: result := tfS3tcDtx3RGBA; + D3DFMT_DXT5: result := tfS3tcDtx5RGBA; + end; + end else if ((dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS or DDPF_LUMINANCE or DDPF_ALPHA)) > 0) then begin + // prepare masks + if ((dwFlags and DDPF_LUMINANCE) = 0) then begin + Mask.r := dwRBitMask; + Mask.g := dwGBitMask; + Mask.b := dwBBitMask; + end else begin + Mask.r := dwRBitMask; + Mask.g := dwRBitMask; + Mask.b := dwRBitMask; + end; + if (dwFlags and DDPF_ALPHAPIXELS > 0) then + Mask.a := dwABitMask + else + Mask.a := 0;; + + //find matching format + fd := TFormatDescriptor.GetFromMask(Mask, dwRGBBitCount); + result := fd.Format; + if (result <> tfEmpty) then + exit; + + //find format with same Range + for i := 0 to 3 do + Range.arr[i] := (2 shl CountSetBits(Mask.arr[i])) - 1; + for result := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin + fd := TFormatDescriptor.Get(result); + match := true; + for i := 0 to 3 do + if (fd.Range.arr[i] <> Range.arr[i]) then begin + match := false; + break; + end; + if match then + break; + end; - pTemp: pByte; - Temp: Byte; -begin - if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + //no format with same range found -> use default + if (result = tfEmpty) then begin + if (dwABitMask > 0) then + result := tfRGBA8ui1 + else + result := tfRGB8ub3; + end; - case FInternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - ColorType := COLOR_GRAYSCALE; - PixSize := 1; - Alpha := False; - end; - ifLuminanceAlpha: - begin - ColorType := COLOR_GRAYSCALEALPHA; - PixSize := 1; - Alpha := True; - end; - ifBGR8, ifRGB8: - begin - ColorType := COLOR_RGB; - PixSize := 3; - Alpha := False; - end; - ifBGRA8, ifRGBA8: - begin - ColorType := COLOR_RGBALPHA; - PixSize := 3; - Alpha := True + Converter := TbmpBitfieldFormat.Create; + Converter.SetCustomValues(dwRGBBitCount, glBitmapRec4ul(dwRBitMask, dwGBitMask, dwBBitMask, dwABitMask)); end; - else - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + end; end; - Png := TPNGObject.CreateBlank(ColorType, 8, Width, Height); - try - // Copy ImageData - pSource := Data; - for Y := 0 to Height -1 do begin - pDest := png.ScanLine[Y]; +var + StreamPos: Int64; + x, y, LineSize, RowSize, Magic: Cardinal; + NewImage, TmpData, RowData, SrcData: System.PByte; + SourceMD, DestMD: Pointer; + Pixel: TglBitmapPixelData; + ddsFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + +begin + result := false; + Converter := nil; + StreamPos := aStream.Position; + + // Magic + aStream.Read(Magic{%H-}, sizeof(Magic)); + if (Magic <> DDS_MAGIC) then begin + aStream.Position := StreamPos; + exit; + end; + + //Header + aStream.Read(Header{%H-}, sizeof(Header)); + if (Header.dwSize <> SizeOf(Header)) or + ((Header.dwFlags and (DDSD_PIXELFORMAT or DDSD_CAPS or DDSD_WIDTH or DDSD_HEIGHT)) <> + (DDSD_PIXELFORMAT or DDSD_CAPS or DDSD_WIDTH or DDSD_HEIGHT)) then + begin + aStream.Position := StreamPos; + exit; + end; - for X := 0 to Width -1 do begin - Move(pSource^, pDest^, PixSize); + if ((Header.Caps.dwCaps1 and DDSCAPS2_CUBEMAP) > 0) then + raise EglBitmap.Create('LoadDDS - CubeMaps are not supported'); - Inc(pDest, PixSize); - Inc(pSource, PixSize); + ddsFormat := GetDDSFormat; + try + if (ddsFormat = tfEmpty) then + raise EglBitmap.Create('LoadDDS - unsupported Pixelformat found.'); - if Alpha then begin - png.AlphaScanline[Y]^[X] := pSource^; - Inc(pSource); + FormatDesc := TFormatDescriptor.Get(ddsFormat); + LineSize := Trunc(Header.dwWidth * FormatDesc.BytesPerPixel); + GetMem(NewImage, Header.dwHeight * LineSize); + try + TmpData := NewImage; + + //Converter needed + if Assigned(Converter) then begin + RowSize := Round(Header.dwWidth * Header.PixelFormat.dwRGBBitCount / 8); + GetMem(RowData, RowSize); + SourceMD := Converter.CreateMappingData; + DestMD := FormatDesc.CreateMappingData; + try + for y := 0 to Header.dwHeight-1 do begin + TmpData := NewImage; + inc(TmpData, y * LineSize); + SrcData := RowData; + aStream.Read(SrcData^, RowSize); + for x := 0 to Header.dwWidth-1 do begin + Converter.Unmap(SrcData, Pixel, SourceMD); + glBitmapConvertPixel(Pixel, Converter, FormatDesc); + FormatDesc.Map(Pixel, TmpData, DestMD); + end; + end; + finally + Converter.FreeMappingData(SourceMD); + FormatDesc.FreeMappingData(DestMD); + FreeMem(RowData); end; - end; - - // convert RGB line to BGR - if InternalFormat in [ifRGB8, ifRGBA8] then begin - pTemp := png.ScanLine[Y]; + end else - for X := 0 to Width -1 do begin - Temp := pByteArray(pTemp)^[0]; - pByteArray(pTemp)^[0] := pByteArray(pTemp)^[2]; - pByteArray(pTemp)^[2] := Temp; + // Compressed + if ((Header.PixelFormat.dwFlags and DDPF_FOURCC) > 0) then begin + RowSize := Header.dwPitchOrLinearSize div Header.dwWidth; + for Y := 0 to Header.dwHeight-1 do begin + aStream.Read(TmpData^, RowSize); + Inc(TmpData, LineSize); + end; + end else - Inc(pTemp, 3); + // Uncompressed + if (Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS or DDPF_LUMINANCE)) > 0 then begin + RowSize := (Header.PixelFormat.dwRGBBitCount * Header.dwWidth) shr 3; + for Y := 0 to Header.dwHeight-1 do begin + aStream.Read(TmpData^, RowSize); + Inc(TmpData, LineSize); end; - end; - end; + end else + raise EglBitmap.Create('LoadDDS - unsupported Pixelformat found.'); - // Save to Stream - Png.CompressionLevel := 6; - Png.SaveToStream(Stream); + SetData(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); + result := true; + except + if Assigned(NewImage) then + FreeMem(NewImage); + raise; + end; finally - FreeAndNil(Png); + FreeAndNil(Converter); end; end; -{$endif} -{$endif} - -procedure TglBitmap.SaveDDS(Stream: TStream); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveDDS(const aStream: TStream); var Header: TDDSHeader; - Pix: TglBitmapPixelData; + FormatDesc: TFormatDescriptor; begin - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveDDS - ' + UNSUPPORTED_INTERNAL_FORMAT); + if not (ftDDS in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); - if InternalFormat = ifAlpha then - FormatPreparePixel(Pix, ifLuminance) - else - FormatPreparePixel(Pix, InternalFormat); + FormatDesc := TFormatDescriptor.Get(Format); // Generell - FillChar(Header, SizeOf(Header), 0); - - Header.dwMagic := DDS_MAGIC; - Header.dwSize := 124; - Header.dwFlags := DDSD_PITCH or DDSD_CAPS or DDSD_PIXELFORMAT; - - if Width > 0 then begin - Header.dwWidth := Width; - Header.dwFlags := Header.dwFlags or DDSD_WIDTH; - end; - - if Height > 0 then begin - Header.dwHeight := Height; - Header.dwFlags := Header.dwFlags or DDSD_HEIGHT; - end; + FillChar(Header{%H-}, SizeOf(Header), 0); + Header.dwSize := SizeOf(Header); + Header.dwFlags := DDSD_WIDTH or DDSD_HEIGHT or DDSD_CAPS or DDSD_PIXELFORMAT; - Header.dwPitchOrLinearSize := fRowSize; - Header.dwMipMapCount := 1; + Header.dwWidth := Max(1, Width); + Header.dwHeight := Max(1, Height); // Caps Header.Caps.dwCaps1 := DDSCAPS_TEXTURE; // Pixelformat - Header.PixelFormat.dwSize := Sizeof(Header.PixelFormat); - Header.PixelFormat.dwFlags := DDPF_RGB; - - if FormatHasAlpha(InternalFormat) and (InternalFormat <> ifAlpha) - then Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS; - - Header.PixelFormat.dwRGBBitCount := Trunc(FormatGetSize(InternalFormat) * 8); - Header.PixelFormat.dwRBitMask := Pix.PixelDesc.RedRange shl Pix.PixelDesc.RedShift; - Header.PixelFormat.dwGBitMask := Pix.PixelDesc.GreenRange shl Pix.PixelDesc.GreenShift; - Header.PixelFormat.dwBBitMask := Pix.PixelDesc.BlueRange shl Pix.PixelDesc.BlueShift; - Header.PixelFormat.dwAlphaBitMask := Pix.PixelDesc.AlphaRange shl Pix.PixelDesc.AlphaShift; + Header.PixelFormat.dwSize := sizeof(Header); + if (FormatDesc.IsCompressed) then begin + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_FOURCC; + case Format of + tfS3tcDtx1RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT1; + tfS3tcDtx3RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT3; + tfS3tcDtx5RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT5; + end; + end else if not FormatDesc.HasColor and FormatDesc.HasAlpha then begin + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHA; + Header.PixelFormat.dwRGBBitCount := FormatDesc.BitsPerPixel; + Header.PixelFormat.dwABitMask := FormatDesc.Mask.a; + end else if FormatDesc.IsGrayscale then begin + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_LUMINANCE; + Header.PixelFormat.dwRGBBitCount := FormatDesc.BitsPerPixel; + Header.PixelFormat.dwRBitMask := FormatDesc.Mask.r; + Header.PixelFormat.dwABitMask := FormatDesc.Mask.a; + end else begin + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_RGB; + Header.PixelFormat.dwRGBBitCount := FormatDesc.BitsPerPixel; + Header.PixelFormat.dwRBitMask := FormatDesc.Mask.r; + Header.PixelFormat.dwGBitMask := FormatDesc.Mask.g; + Header.PixelFormat.dwBBitMask := FormatDesc.Mask.b; + Header.PixelFormat.dwABitMask := FormatDesc.Mask.a; + end; - // Write - Stream.Write(Header, SizeOf(Header)); + if (FormatDesc.HasAlpha) then + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS; - Stream.Write(Data^, FormatGetImageSize(glBitmapPosition(Width, Height), InternalFormat)); + aStream.Write(DDS_MAGIC, sizeof(DDS_MAGIC)); + aStream.Write(Header, SizeOf(Header)); + aStream.Write(Data^, FormatDesc.GetSize(Dimension)); end; - -procedure TglBitmap.SaveTGA(Stream: TStream); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.FlipHorz: Boolean; var - Header: TTGAHeader; - Size: Integer; - pTemp: pByte; - - - procedure ConvertData(pTemp: pByte); - var - Idx, PixelSize: Integer; - Temp: byte; - begin - PixelSize := fPixelSize; - - for Idx := 0 to Height * Width do begin - Temp := pByteArray(pTemp)^[2]; - pByteArray(pTemp)^[2] := pByteArray(pTemp)^[0]; - pByteArray(pTemp)^[0] := Temp; - - Inc(pTemp, PixelSize); + fd: TglBitmapFormatDescriptor; + Col, RowSize, PixelSize: Integer; + pTempDest, pDest, pSource: PByte; +begin + result := false; + fd := FormatDescriptor; + PixelSize := Ceil(fd.BytesPerPixel); + RowSize := fd.GetSize(Width, 1); + if Assigned(Data) and not fd.IsCompressed then begin + pSource := Data; + GetMem(pDest, RowSize); + try + pTempDest := pDest; + Inc(pTempDest, RowSize); + for Col := 0 to Width-1 do begin + dec(pTempDest, PixelSize); //dec before, because ptr is behind last byte of data + Move(pSource^, pTempDest^, PixelSize); + Inc(pSource, PixelSize); + end; + SetData(pDest, Format, Width); + result := true; + except + if Assigned(pDest) then + FreeMem(pDest); + raise; end; end; +end; - -begin - if not (ftTGA in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveTGA - ' + UNSUPPORTED_INTERNAL_FORMAT); - - FillChar(Header, SizeOf(Header), 0); - - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - Header.ImageType := TGA_UNCOMPRESSED_GRAY; - Header.Bpp := 8; - end; - ifLuminanceAlpha: - begin - Header.ImageType := TGA_UNCOMPRESSED_GRAY; - Header.Bpp := 16; - end; - ifRGB8, ifBGR8: - begin - Header.ImageType := TGA_UNCOMPRESSED_RGB; - Header.Bpp := 24; - end; - ifRGBA8, ifBGRA8: - begin - Header.ImageType := TGA_UNCOMPRESSED_RGB; - Header.Bpp := 32; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.FlipVert: Boolean; +var + fd: TglBitmapFormatDescriptor; + Row, RowSize, PixelSize: Integer; + TempDestData, DestData, SourceData: PByte; +begin + result := false; + fd := FormatDescriptor; + PixelSize := Ceil(fd.BytesPerPixel); + RowSize := fd.GetSize(Width, 1); + if Assigned(Data) then begin + SourceData := Data; + GetMem(DestData, Height * RowSize); + try + TempDestData := DestData; + Inc(TempDestData, Width * (Height -1) * PixelSize); + for Row := 0 to Height -1 do begin + Move(SourceData^, TempDestData^, RowSize); + Dec(TempDestData, RowSize); + Inc(SourceData, RowSize); end; - else - raise EglBitmapUnsupportedInternalFormat.Create('SaveTGA - ' + UNSUPPORTED_INTERNAL_FORMAT); + SetData(DestData, Format, Width, Height); + result := true; + except + if Assigned(DestData) then + FreeMem(DestData); + raise; + end; end; +end; - Header.Width := Width; - Header.Height := Height; - Header.ImageDes := $20; - - if FormatHasAlpha(InternalFormat) then - Header.ImageDes := Header.ImageDes or $08; - - Stream.Write(Header, SizeOf(Header)); - - // convert RGB(A) to BGR(A) - Size := FormatGetImageSize(glBitmapPosition(Width, Height), InternalFormat); - if InternalFormat in [ifRGB8, ifRGBA8] then begin - GetMem(pTemp, Size); - end else - pTemp := Data; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.LoadFromFile(const aFilename: String); +var + fs: TFileStream; +begin + if not FileExists(aFilename) then + raise EglBitmap.Create('file does not exist: ' + aFilename); + fs := TFileStream.Create(aFilename, fmOpenRead); try - // convert data - if InternalFormat in [ifRGB8, ifRGBA8] then begin - Move(Data^, pTemp^, Size); - ConvertData(pTemp); - end; - - // write data - Stream.Write(pTemp^, Size); + fs.Position := 0; + LoadFromStream(fs); + fFilename := aFilename; finally - // free tempdata - if InternalFormat in [ifRGB8, ifRGBA8] then - FreeMem(pTemp); + fs.Free; end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.LoadFromStream(const aStream: TStream); +begin + {$IFDEF GLB_SUPPORT_PNG_READ} + if not LoadPNG(aStream) then + {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_READ} + if not LoadJPEG(aStream) then + {$ENDIF} + if not LoadDDS(aStream) then + if not LoadTGA(aStream) then + if not LoadBMP(aStream) then + if not LoadRAW(aStream) then + raise EglBitmap.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); +end; -{$ifdef GLB_SUPPORT_JPEG_WRITE} -procedure TglBitmap.SaveJPEG(Stream: TStream); -{$ifdef GLB_LIB_JPEG} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.LoadFromFunc(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; + const aFunc: TglBitmapFunction; const aArgs: Pointer); var - jpeg: jpeg_compress_struct; - jpeg_err: jpeg_error_mgr; - Row: Integer; - pTemp, pTemp2: pByte; - - - procedure CopyRow(pDest, pSource: pByte); - var - X: Integer; - begin - for X := 0 to Width - 1 do begin - pByteArray(pDest)^[0] := pByteArray(pSource)^[2]; - pByteArray(pDest)^[1] := pByteArray(pSource)^[1]; - pByteArray(pDest)^[2] := pByteArray(pSource)^[0]; - - Inc(pDest, 3); - Inc(pSource, 3); - end; + tmpData: PByte; + size: Integer; +begin + size := TFormatDescriptor.Get(aFormat).GetSize(aSize); + GetMem(tmpData, size); + try + FillChar(tmpData^, size, #$FF); + SetData(tmpData, aFormat, aSize.X, aSize.Y); + except + if Assigned(tmpData) then + FreeMem(tmpData); + raise; end; + Convert(Self, aFunc, false, aFormat, aArgs); +end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.LoadFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar); +var + rs: TResourceStream; begin - if not (ftJPEG in FormatGetSupportedFiles(InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT); - - if not init_libJPEG then - raise Exception.Create('SaveJPG - unable to initialize libJPEG.'); - + PrepareResType(aResource, aResType); + rs := TResourceStream.Create(aInstance, aResource, aResType); try - FillChar(jpeg, SizeOf(jpeg_compress_struct), $00); - FillChar(jpeg_err, SizeOf(jpeg_error_mgr), $00); - - // error managment - jpeg.err := jpeg_std_error(@jpeg_err); - jpeg_err.error_exit := glBitmap_libJPEG_error_exit; - jpeg_err.output_message := glBitmap_libJPEG_output_message; + LoadFromStream(rs); + finally + rs.Free; + end; +end; - // compression struct - jpeg_create_compress(@jpeg); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.LoadFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); +var + rs: TResourceStream; +begin + rs := TResourceStream.CreateFromID(aInstance, aResourceID, aResType); + try + LoadFromStream(rs); + finally + rs.Free; + end; +end; - // allocation space for streaming methods - jpeg.dest := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_dest_mgr)); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveToFile(const aFilename: String; const aFileType: TglBitmapFileType); +var + fs: TFileStream; +begin + fs := TFileStream.Create(aFileName, fmCreate); + try + fs.Position := 0; + SaveToStream(fs, aFileType); + finally + fs.Free; + end; +end; - // seeting up custom functions - with glBitmap_libJPEG_dest_mgr_ptr(jpeg.dest)^ do begin - pub.init_destination := glBitmap_libJPEG_init_destination; - pub.empty_output_buffer := glBitmap_libJPEG_empty_output_buffer; - pub.term_destination := glBitmap_libJPEG_term_destination; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); +begin + case aFileType of + {$IFDEF GLB_SUPPORT_PNG_WRITE} + ftPNG: SavePNG(aStream); + {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_WRITE} + ftJPEG: SaveJPEG(aStream); + {$ENDIF} + ftDDS: SaveDDS(aStream); + ftTGA: SaveTGA(aStream); + ftBMP: SaveBMP(aStream); + ftRAW: SaveRAW(aStream); + end; +end; - pub.next_output_byte := @DestBuffer[1]; - pub.free_in_buffer := Length(DestBuffer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.Convert(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: Pointer): Boolean; +begin + result := Convert(Self, aFunc, aCreateTemp, Format, aArgs); +end; - DestStream := Stream; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.Convert(const aSource: TglBitmapData; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; + const aFormat: TglBitmapFormat; const aArgs: Pointer): Boolean; +var + DestData, TmpData, SourceData: pByte; + TempHeight, TempWidth: Integer; + SourceFD, DestFD: TFormatDescriptor; + SourceMD, DestMD: Pointer; - // very important state - jpeg.global_state := CSTATE_START; + FuncRec: TglBitmapFunctionRec; +begin + Assert(Assigned(Data)); + Assert(Assigned(aSource)); + Assert(Assigned(aSource.Data)); - jpeg.image_width := Width; - jpeg.image_height := Height; - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - jpeg.input_components := 1; - jpeg.in_color_space := JCS_GRAYSCALE; - end; - ifRGB8, ifBGR8: - begin - jpeg.input_components := 3; - jpeg.in_color_space := JCS_RGB; - end; - end; + result := false; + if Assigned(aSource.Data) and ((aSource.Height > 0) or (aSource.Width > 0)) then begin + SourceFD := TFormatDescriptor.Get(aSource.Format); + DestFD := TFormatDescriptor.Get(aFormat); - // setting defaults - jpeg_set_defaults(@jpeg); + if (SourceFD.IsCompressed) then + raise EglBitmapUnsupportedFormat.Create('compressed formats are not supported: ', SourceFD.Format); + if (DestFD.IsCompressed) then + raise EglBitmapUnsupportedFormat.Create('compressed formats are not supported: ', DestFD.Format); - // compression quality - jpeg_set_quality(@jpeg, 95, True); + // inkompatible Formats so CreateTemp + if (SourceFD.BitsPerPixel <> DestFD.BitsPerPixel) then + aCreateTemp := true; - // start compression - jpeg_start_compress(@jpeg, true); + // Values + TempHeight := Max(1, aSource.Height); + TempWidth := Max(1, aSource.Width); - // write rows - pTemp := Data; + FuncRec.Sender := Self; + FuncRec.Args := aArgs; - // initialing row - if InternalFormat = ifBGR8 then - GetMem(pTemp2, fRowSize) - else - pTemp2 := pTemp; + TmpData := nil; + if aCreateTemp then begin + GetMem(TmpData, DestFD.GetSize(TempWidth, TempHeight)); + DestData := TmpData; + end else + DestData := Data; try - for Row := 0 to jpeg.image_height -1 do begin - // prepare row - if InternalFormat = ifBGR8 then - CopyRow(pTemp2, pTemp) - else - pTemp2 := pTemp; - - // write row - jpeg_write_scanlines(@jpeg, @pTemp2, 1); - inc(pTemp, fRowSize); - end; - finally - // free memory - if InternalFormat = ifBGR8 then - FreeMem(pTemp2); - end; - - // finish compression - jpeg_finish_compress(@jpeg); + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); - // destroy compression - jpeg_destroy_compress(@jpeg); - finally - quit_libJPEG; - end; -end; -{$endif} -{$ifdef GLB_DELPHI_JPEG} -var - Bmp: TBitmap; - Jpg: TJPEGImage; -begin - if not (ftJPEG in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT); + SourceMD := SourceFD.CreateMappingData; + DestMD := DestFD.CreateMappingData; - Bmp := TBitmap.Create; - try - Jpg := TJPEGImage.Create; - try - AssignToBitmap(Bmp); + FuncRec.Size := aSource.Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; - if FInternalFormat in [ifAlpha, ifLuminance, ifDepth8] then begin - Jpg.Grayscale := True; - Jpg.PixelFormat := jf8Bit; - end; + try + SourceData := aSource.Data; + FuncRec.Position.Y := 0; + while FuncRec.Position.Y < TempHeight do begin + FuncRec.Position.X := 0; + while FuncRec.Position.X < TempWidth do begin + SourceFD.Unmap(SourceData, FuncRec.Source, SourceMD); + aFunc(FuncRec); + DestFD.Map(FuncRec.Dest, DestData, DestMD); + inc(FuncRec.Position.X); + end; + inc(FuncRec.Position.Y); + end; - Jpg.Assign(Bmp); + // Updating Image or InternalFormat + if aCreateTemp then + SetData(TmpData, aFormat, aSource.Width, aSource.Height) + else if (aFormat <> fFormat) then + Format := aFormat; - Jpg.SaveToStream(Stream); - finally - FreeAndNil(Jpg); + result := true; + finally + SourceFD.FreeMappingData(SourceMD); + DestFD.FreeMappingData(DestMD); + end; + except + if aCreateTemp and Assigned(TmpData) then + FreeMem(TmpData); + raise; end; - finally - FreeAndNil(Bmp); end; end; -{$endif} -{$endif} - -procedure TglBitmap.SaveBMP(Stream: TStream); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.ConvertTo(const aFormat: TglBitmapFormat): Boolean; var - Header: TBMPHeader; - Info: TBMPInfo; - pData, pTemp: pByte; - - PixelFormat: TglBitmapPixelData; - ImageSize, LineSize, Padding, LineIdx, ColorIdx: Integer; - Temp, RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; + SourceFD, DestFD: TFormatDescriptor; + SourcePD, DestPD: TglBitmapPixelData; + ShiftData: TShiftData; - PaddingBuff: Cardinal; + function DataIsIdentical: Boolean; + begin + result := SourceFD.MaskMatch(DestFD.Mask); + end; + function CanCopyDirect: Boolean; + begin + result := + ((SourcePD.Range.r = DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and + ((SourcePD.Range.g = DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and + ((SourcePD.Range.b = DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and + ((SourcePD.Range.a = DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0)); + end; - function GetLineWidth : Integer; + function CanShift: Boolean; begin - Result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; + result := + ((SourcePD.Range.r >= DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and + ((SourcePD.Range.g >= DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and + ((SourcePD.Range.b >= DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and + ((SourcePD.Range.a >= DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0)); end; + function GetShift(aSource, aDest: Cardinal) : ShortInt; + begin + result := 0; + while (aSource > aDest) and (aSource > 0) do begin + inc(result); + aSource := aSource shr 1; + end; + end; begin - if not (ftBMP in FormatGetSupportedFiles(InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveBMP - ' + UNSUPPORTED_INTERNAL_FORMAT); + if (aFormat <> fFormat) and (aFormat <> tfEmpty) then begin + SourceFD := TFormatDescriptor.Get(Format); + DestFD := TFormatDescriptor.Get(aFormat); - ImageSize := Trunc(Width * Height * FormatGetSize(InternalFormat)); - - Header.bfType := BMP_MAGIC; - Header.bfSize := SizeOf(Header) + SizeOf(Info) + ImageSize; - Header.bfReserved1 := 0; - Header.bfReserved2 := 0; - Header.bfOffBits := SizeOf(Header) + SizeOf(Info); + if DataIsIdentical then begin + result := true; + Format := aFormat; + exit; + end; - FillChar(Info, SizeOf(Info), 0); - Info.biSize := SizeOf(Info); - Info.biWidth := Width; - Info.biHeight := Height; - Info.biPlanes := 1; - Info.biCompression := BMP_COMP_RGB; - Info.biSizeImage := ImageSize; - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - Info.biBitCount := 8; + SourceFD.PreparePixel(SourcePD); + DestFD.PreparePixel (DestPD); + + if CanCopyDirect then + result := Convert(Self, glBitmapConvertCopyFunc, false, aFormat) + else if CanShift then begin + ShiftData.r := GetShift(SourcePD.Range.r, DestPD.Range.r); + ShiftData.g := GetShift(SourcePD.Range.g, DestPD.Range.g); + ShiftData.b := GetShift(SourcePD.Range.b, DestPD.Range.b); + ShiftData.a := GetShift(SourcePD.Range.a, DestPD.Range.a); + result := Convert(Self, glBitmapConvertShiftRGBAFunc, false, aFormat, @ShiftData); + end else + result := Convert(Self, glBitmapConvertCalculateRGBAFunc, false, aFormat); + end else + result := true; +end; - Header.bfSize := Header.bfSize + 256 * SizeOf(Cardinal); - Header.bfOffBits := Header.bfOffBits + 256 * SizeOf(Cardinal); +{$IFDEF GLB_SDL} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, RowSize: Integer; + SourceData, TmpData: PByte; + TempDepth: Integer; + FormatDesc: TFormatDescriptor; - Info.biClrUsed := 256; - Info.biClrImportant := 256; - end; - ifLuminanceAlpha, ifRGBA4, ifR5G6B5, ifRGB5A1: - begin - Info.biBitCount := 16; - Info.biCompression := BMP_COMP_BITFIELDS; - end; - ifBGR8, ifRGB8: - Info.biBitCount := 24; - ifBGRA8, ifRGBA8, ifRGB10A2: - begin - Info.biBitCount := 32; - Info.biCompression := BMP_COMP_BITFIELDS; - end; - else - raise EglBitmapUnsupportedInternalFormat.Create('SaveBMP - ' + UNSUPPORTED_INTERNAL_FORMAT); + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface.pixels; + Inc(result, Row * RowSize); end; - Info.biXPelsPerMeter := 2835; - Info.biYPelsPerMeter := 2835; - // prepare bitmasks - if Info.biCompression = BMP_COMP_BITFIELDS then begin - Info.biSize := Info.biSize + 4 * SizeOf(Cardinal); - Header.bfSize := Header.bfSize + 4 * SizeOf(Cardinal); - Header.bfOffBits := Header.bfOffBits + 4 * SizeOf(Cardinal); +begin + result := false; - FormatPreparePixel(PixelFormat, InternalFormat); + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); - with PixelFormat.PixelDesc do begin - RedMask := RedRange shl RedShift; - GreenMask := GreenRange shl GreenShift; - BlueMask := BlueRange shl BlueShift; - AlphaMask := AlphaRange shl AlphaShift; + if Assigned(Data) then begin + case Trunc(FormatDesc.PixelSize) of + 1: TempDepth := 8; + 2: TempDepth := 16; + 3: TempDepth := 24; + 4: TempDepth := 32; + else + raise EglBitmapUnsupportedFormat.Create(Format); end; - end; - // headers - Stream.Write(Header, SizeOf(Header)); - Stream.Write(Info, SizeOf(Info)); + aSurface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, TempDepth, + FormatDesc.RedMask, FormatDesc.GreenMask, FormatDesc.BlueMask, FormatDesc.AlphaMask); + SourceData := Data; + RowSize := FormatDesc.GetSize(FileWidth, 1); - // colortable - if Info.biBitCount = 8 then begin - Temp := 0; - for ColorIdx := Low(Byte) to High(Byte) do begin - Stream.Write(Temp, 4); - Temp := Temp + $00010101; + for Row := 0 to FileHeight-1 do begin + TmpData := GetRowPointer(Row); + if Assigned(TmpData) then begin + Move(SourceData^, TmpData^, RowSize); + inc(SourceData, RowSize); + end; end; + result := true; end; +end; - // bitmasks - if Info.biCompression = BMP_COMP_BITFIELDS then begin - Stream.Write(RedMask, SizeOf(Cardinal)); - Stream.Write(GreenMask, SizeOf(Cardinal)); - Stream.Write(BlueMask, SizeOf(Cardinal)); - Stream.Write(AlphaMask, SizeOf(Cardinal)); - end; - - // image data - LineSize := Trunc(Width * FormatGetSize(InternalFormat)); - Padding := GetLineWidth - LineSize; - PaddingBuff := 0; - - pData := Data; - Inc(pData, (Height -1) * LineSize); - - // prepare row buffer. But only for RGB because RGBA supports color masks - // so it's possible to change color within the image. - if InternalFormat = ifRGB8 then - GetMem(pTemp, fRowSize) - else - pTemp := nil; - - try - // write image data - for LineIdx := 0 to Height - 1 do begin - // preparing row - if InternalFormat = ifRGB8 then begin - Move(pData^, pTemp^, fRowSize); - SwapRGB(pTemp, Width, False); - end else - pTemp := pData; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignFromSurface(const aSurface: PSDL_Surface): Boolean; +var + pSource, pData, pTempData: PByte; + Row, RowSize, TempWidth, TempHeight: Integer; + IntFormat: TglBitmapFormat; + fd: TFormatDescriptor; + Mask: TglBitmapMask; - Stream.Write(pTemp^, LineSize); + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface^.pixels; + Inc(result, Row * RowSize); + end; - Dec(pData, LineSize); +begin + result := false; + if (Assigned(aSurface)) then begin + with aSurface^.format^ do begin + Mask.r := RMask; + Mask.g := GMask; + Mask.b := BMask; + Mask.a := AMask; + IntFormat := TFormatDescriptor.GetFromMask(Mask).Format; + if (IntFormat = tfEmpty) then + raise EglBitmap.Create('AssignFromSurface - Invalid Pixelformat.'); + end; - if Padding > 0 then - Stream.Write(PaddingBuff, Padding); + fd := TFormatDescriptor.Get(IntFormat); + TempWidth := aSurface^.w; + TempHeight := aSurface^.h; + RowSize := fd.GetSize(TempWidth, 1); + GetMem(pData, TempHeight * RowSize); + try + pTempData := pData; + for Row := 0 to TempHeight -1 do begin + pSource := GetRowPointer(Row); + if (Assigned(pSource)) then begin + Move(pSource^, pTempData^, RowSize); + Inc(pTempData, RowSize); + end; + end; + SetData(pData, IntFormat, TempWidth, TempHeight); + result := true; + except + if Assigned(pData) then + FreeMem(pData); + raise; end; - finally - // destroy row buffer - if InternalFormat = ifRGB8 then - FreeMem(pTemp); end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, Col, AlphaInterleave: Integer; + pSource, pDest: PByte; -procedure TglBitmap.Bind(EnableTextureUnit: Boolean); -begin - if EnableTextureUnit then - glEnable(Target); - - if ID > 0 then - glBindTexture(Target, ID); -end; - + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface.pixels; + Inc(result, Row * Width); + end; -procedure TglBitmap.Unbind(DisableTextureUnit: Boolean); begin - if DisableTextureUnit then - glDisable(Target); - - glBindTexture(Target, 0); -end; + result := false; + if Assigned(Data) then begin + if Format in [tfAlpha8ub1, tfLuminance8Alpha8ub2, tfBGRA8ub4, tfRGBA8ub4] then begin + aSurface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, 8, $FF, $FF, $FF, 0); + AlphaInterleave := 0; + case Format of + tfLuminance8Alpha8ub2: + AlphaInterleave := 1; + tfBGRA8ub4, tfRGBA8ub4: + AlphaInterleave := 3; + end; -procedure TglBitmap.GetPixel(const Pos: TglBitmapPixelPosition; - var Pixel: TglBitmapPixelData); -begin - if Assigned (fGetPixelFunc) then - fGetPixelFunc(Pos, Pixel); + pSource := Data; + for Row := 0 to Height -1 do begin + pDest := GetRowPointer(Row); + if Assigned(pDest) then begin + for Col := 0 to Width -1 do begin + Inc(pSource, AlphaInterleave); + pDest^ := pSource^; + Inc(pDest); + Inc(pSource); + end; + end; + end; + result := true; + end; + end; end; - -procedure TglBitmap.SetPixel (const Pos: TglBitmapPixelPosition; - const Pixel: TglBitmapPixelData); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; +var + bmp: TglBitmap2D; begin - if Assigned (fSetPixelFunc) then - fSetPixelFunc(Pos, Pixel); + bmp := TglBitmap2D.Create; + try + bmp.AssignFromSurface(aSurface); + result := AddAlphaFromGlBitmap(bmp, aFunc, aArgs); + finally + bmp.Free; + end; end; +{$ENDIF} - -procedure TglBitmap.CreateID; +{$IFDEF GLB_DELPHI} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function CreateGrayPalette: HPALETTE; +var + Idx: Integer; + Pal: PLogPalette; begin - // Generate Texture - if ID <> 0 then - glDeleteTextures(1, @ID); + GetMem(Pal, SizeOf(TLogPalette) + (SizeOf(TPaletteEntry) * 256)); - glGenTextures(1, @ID); + Pal.palVersion := $300; + Pal.palNumEntries := 256; - Bind(False); + for Idx := 0 to Pal.palNumEntries - 1 do begin + Pal.palPalEntry[Idx].peRed := Idx; + Pal.palPalEntry[Idx].peGreen := Idx; + Pal.palPalEntry[Idx].peBlue := Idx; + Pal.palPalEntry[Idx].peFlags := 0; + end; + Result := CreatePalette(Pal^); + FreeMem(Pal); end; - -procedure TglBitmap.SetupParameters(var BuildWithGlu: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignToBitmap(const aBitmap: TBitmap): Boolean; +var + Row, RowSize: Integer; + pSource, pData: PByte; begin - // Set up parameters - SetWrap(fWrapS, fWrapT, fWrapR); - SetFilter(fFilterMin, fFilterMag); - SetAnisotropic(fAnisotropic); - SetBorderColor(fBorderColor[0], fBorderColor[1], fBorderColor[2], fBorderColor[3]); - - // Mip Maps generation Mode - BuildWithGlu := False; + result := false; + if Assigned(Data) then begin + if Assigned(aBitmap) then begin + aBitmap.Width := Width; + aBitmap.Height := Height; + + case Format of + tfAlpha8ub1, tfLuminance8ub1: begin + aBitmap.PixelFormat := pf8bit; + aBitmap.Palette := CreateGrayPalette; + end; + tfRGB5A1us1: + aBitmap.PixelFormat := pf15bit; + tfR5G6B5us1: + aBitmap.PixelFormat := pf16bit; + tfRGB8ub3, tfBGR8ub3: + aBitmap.PixelFormat := pf24bit; + tfRGBA8ub4, tfBGRA8ub4: + aBitmap.PixelFormat := pf32bit; + else + raise EglBitmap.Create('AssignToBitmap - Invalid Pixelformat.'); + end; - if (MipMap = mmMipmap) then begin - if (GL_VERSION_1_4 or GL_SGIS_generate_mipmap) then - glTexParameteri(Target, GL_GENERATE_MIPMAP, GL_TRUE) - else - BuildWithGlu := True; - end else - if (MipMap = mmMipmapGlu) then - BuildWithGlu := True; + RowSize := FormatDescriptor.GetSize(Width, 1); + pSource := Data; + for Row := 0 to Height-1 do begin + pData := aBitmap.Scanline[Row]; + Move(pSource^, pData^, RowSize); + Inc(pSource, RowSize); + if (Format in [tfRGB8ub3, tfRGBA8ub4]) then // swap RGB(A) to BGR(A) + SwapRGB(pData, Width, Format = tfRGBA8ub4); + end; + result := true; + end; + end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignFromBitmap(const aBitmap: TBitmap): Boolean; +var + pSource, pData, pTempData: PByte; + Row, RowSize, TempWidth, TempHeight: Integer; + IntFormat: TglBitmapFormat; +begin + result := false; -procedure TglBitmap.SelectFormat(DataFormat: TglBitmapInternalFormat; var glFormat, glInternalFormat, glType: Cardinal; CanConvertImage: Boolean = True); + if (Assigned(aBitmap)) then begin + case aBitmap.PixelFormat of + pf8bit: + IntFormat := tfLuminance8ub1; + pf15bit: + IntFormat := tfRGB5A1us1; + pf16bit: + IntFormat := tfR5G6B5us1; + pf24bit: + IntFormat := tfBGR8ub3; + pf32bit: + IntFormat := tfBGRA8ub4; + else + raise EglBitmap.Create('AssignFromBitmap - Invalid Pixelformat.'); + end; - procedure Check12; - begin - if not GL_VERSION_1_2 then - raise EglBitmapUnsupportedInternalFormat.Create('SelectFormat - You need at least OpenGL 1.2 to support these format.'); + TempWidth := aBitmap.Width; + TempHeight := aBitmap.Height; + RowSize := TFormatDescriptor.Get(IntFormat).GetSize(TempWidth, 1); + GetMem(pData, TempHeight * RowSize); + try + pTempData := pData; + for Row := 0 to TempHeight -1 do begin + pSource := aBitmap.Scanline[Row]; + if (Assigned(pSource)) then begin + Move(pSource^, pTempData^, RowSize); + Inc(pTempData, RowSize); + end; + end; + SetData(pData, IntFormat, TempWidth, TempHeight); + result := true; + except + if Assigned(pData) then + FreeMem(pData); + raise; + end; end; +end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; +var + Row, Col, AlphaInterleave: Integer; + pSource, pDest: PByte; begin - glType := GL_UNSIGNED_BYTE; + result := false; - // selecting Format - case DataFormat of - ifAlpha: - glFormat := GL_ALPHA; - ifLuminance: - glFormat := GL_LUMINANCE; - ifDepth8: - glFormat := GL_DEPTH_COMPONENT; - ifLuminanceAlpha: - glFormat := GL_LUMINANCE_ALPHA; - ifBGR8: - begin - if (GL_VERSION_1_2 or GL_EXT_bgra) then begin - glFormat := GL_BGR; - end else begin - if CanConvertImage then - ConvertTo(ifRGB8); - glFormat := GL_RGB; - end; - end; - ifBGRA8: - begin - if (GL_VERSION_1_2 or GL_EXT_bgra) then begin - glFormat := GL_BGRA; - end else begin - if CanConvertImage then - ConvertTo(ifRGBA8); - glFormat := GL_RGBA; - end; - end; - ifRGB8: - glFormat := GL_RGB; - ifRGBA8: - glFormat := GL_RGBA; - ifRGBA4: - begin - Check12; - glFormat := GL_BGRA; - glType := GL_UNSIGNED_SHORT_4_4_4_4_REV; - end; - ifRGB5A1: - begin - Check12; - glFormat := GL_BGRA; - glType := GL_UNSIGNED_SHORT_1_5_5_5_REV; - end; - ifRGB10A2: - begin - Check12; - glFormat := GL_BGRA; - glType := GL_UNSIGNED_INT_2_10_10_10_REV; - end; - ifR5G6B5: - begin - Check12; - glFormat := GL_RGB; - glType := GL_UNSIGNED_SHORT_5_6_5; - end; - else - glFormat := 0; - end; + if Assigned(Data) then begin + if (Format in [tfAlpha8ub1, tfLuminance8Alpha8ub2, tfRGBA8ub4, tfBGRA8ub4]) then begin + if Assigned(aBitmap) then begin + aBitmap.PixelFormat := pf8bit; + aBitmap.Palette := CreateGrayPalette; + aBitmap.Width := Width; + aBitmap.Height := Height; - // Selecting InternalFormat - case DataFormat of - ifDXT1, ifDXT3, ifDXT5: - begin - if GL_EXT_texture_compression_s3tc then begin - case DataFormat of - ifDXT1: - glInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; - ifDXT3: - glInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; - ifDXT5: - glInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; - end; - end else begin - // Compression isn't supported so convert to RGBA - if CanConvertImage then - ConvertTo(ifRGBA8); - glFormat := GL_RGBA; - glInternalFormat := GL_RGBA8; - end; - end; - ifAlpha: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_ALPHA4; - tf8BitsPerChanel: - glInternalFormat := GL_ALPHA8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then - glInternalFormat := GL_COMPRESSED_ALPHA - else - glInternalFormat := GL_ALPHA; - end; - else - glInternalFormat := GL_ALPHA; - end; - end; - ifLuminance: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_LUMINANCE4; - tf8BitsPerChanel: - glInternalFormat := GL_LUMINANCE8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then - glInternalFormat := GL_COMPRESSED_LUMINANCE - else - glInternalFormat := GL_LUMINANCE; - end; - else - glInternalFormat := GL_LUMINANCE; - end; - end; - ifDepth8: - begin - glInternalFormat := GL_DEPTH_COMPONENT; - end; - ifLuminanceAlpha: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_LUMINANCE4_ALPHA4; - tf8BitsPerChanel: - glInternalFormat := GL_LUMINANCE8_ALPHA8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then - glInternalFormat := GL_COMPRESSED_LUMINANCE_ALPHA - else - glInternalFormat := GL_LUMINANCE_ALPHA; - end; - else - glInternalFormat := GL_LUMINANCE_ALPHA; - end; - end; - ifBGR8, ifRGB8: - begin case Format of - tf4BitsPerChanel: - glInternalFormat := GL_RGB4; - tf8BitsPerChanel: - glInternalFormat := GL_RGB8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then begin - glInternalFormat := GL_COMPRESSED_RGB - end else begin - if (GL_EXT_texture_compression_s3tc) then - glInternalFormat := GL_COMPRESSED_RGB_S3TC_DXT1_EXT - else - glInternalFormat := GL_RGB; - end; - end; + tfLuminance8Alpha8ub2: + AlphaInterleave := 1; + tfRGBA8ub4, tfBGRA8ub4: + AlphaInterleave := 3; else - glInternalFormat := GL_RGB; + AlphaInterleave := 0; end; - end; - ifBGRA8, ifRGBA8, ifRGBA4, ifRGB5A1, ifRGB10A2, ifR5G6B5: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_RGBA4; - tf8BitsPerChanel: - glInternalFormat := GL_RGBA8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then begin - glInternalFormat := GL_COMPRESSED_RGBA - end else begin - if (GL_EXT_texture_compression_s3tc) then - glInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT1_EXT - else - glInternalFormat := GL_RGBA; - end; + + // Copy Data + pSource := Data; + + for Row := 0 to Height -1 do begin + pDest := aBitmap.Scanline[Row]; + if Assigned(pDest) then begin + for Col := 0 to Width -1 do begin + Inc(pSource, AlphaInterleave); + pDest^ := pSource^; + Inc(pDest); + Inc(pSource); end; - else - glInternalFormat := GL_RGBA; + end; end; + result := true; end; + end; end; end; - -function TglBitmap.FlipHorz: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + data: TglBitmapData; begin - Result := False; + data := TglBitmapData.Create; + try + data.AssignFromBitmap(aBitmap); + result := AddAlphaFromDataObj(data, aFunc, aArgs); + finally + data.Free; + end; end; +{$ENDIF} +{$IFDEF GLB_LAZARUS} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignToLazIntfImage(const aImage: TLazIntfImage): Boolean; +var + rid: TRawImageDescription; + FormatDesc: TFormatDescriptor; +begin + if not Assigned(Data) then + raise EglBitmap.Create('no pixel data assigned. load data before save'); + + result := false; + if not Assigned(aImage) or (Format = tfEmpty) then + exit; + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed then + exit; + + FillChar(rid{%H-}, SizeOf(rid), 0); + if FormatDesc.IsGrayscale then + rid.Format := ricfGray + else + rid.Format := ricfRGBA; + + rid.Width := Width; + rid.Height := Height; + rid.Depth := FormatDesc.BitsPerPixel; + rid.BitOrder := riboBitsInOrder; + rid.ByteOrder := riboLSBFirst; + rid.LineOrder := riloTopToBottom; + rid.LineEnd := rileTight; + rid.BitsPerPixel := FormatDesc.BitsPerPixel; + rid.RedPrec := CountSetBits(FormatDesc.Range.r); + rid.GreenPrec := CountSetBits(FormatDesc.Range.g); + rid.BluePrec := CountSetBits(FormatDesc.Range.b); + rid.AlphaPrec := CountSetBits(FormatDesc.Range.a); + rid.RedShift := FormatDesc.Shift.r; + rid.GreenShift := FormatDesc.Shift.g; + rid.BlueShift := FormatDesc.Shift.b; + rid.AlphaShift := FormatDesc.Shift.a; + + rid.MaskBitsPerPixel := 0; + rid.PaletteColorCount := 0; + + aImage.DataDescription := rid; + aImage.CreateData; + + if not Assigned(aImage.PixelData) then + raise EglBitmap.Create('error while creating LazIntfImage'); + Move(Data^, aImage.PixelData^, FormatDesc.GetSize(Dimension)); -function TglBitmap.FlipVert: Boolean; -begin - Result := False; + result := true; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean; +var + f: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + ImageData: PByte; + ImageSize: Integer; + CanCopy: Boolean; + Mask: TglBitmapRec4ul; -procedure TglBitmap.FreeData; -begin - SetDataPointer(nil, ifEmpty); -end; - + procedure CopyConvert; + var + bfFormat: TbmpBitfieldFormat; + pSourceLine, pDestLine: PByte; + pSourceMD, pDestMD: Pointer; + Shift, Prec: TglBitmapRec4ub; + x, y: Integer; + pixel: TglBitmapPixelData; + begin + bfFormat := TbmpBitfieldFormat.Create; + with aImage.DataDescription do begin + Prec.r := RedPrec; + Prec.g := GreenPrec; + Prec.b := BluePrec; + Prec.a := AlphaPrec; + Shift.r := RedShift; + Shift.g := GreenShift; + Shift.b := BlueShift; + Shift.a := AlphaShift; + bfFormat.SetCustomValues(BitsPerPixel, Prec, Shift); + end; + pSourceMD := bfFormat.CreateMappingData; + pDestMD := FormatDesc.CreateMappingData; + try + for y := 0 to aImage.Height-1 do begin + pSourceLine := aImage.PixelData + y {%H-}* aImage.DataDescription.BytesPerLine; + pDestLine := ImageData + y * Round(FormatDesc.BytesPerPixel * aImage.Width); + for x := 0 to aImage.Width-1 do begin + bfFormat.Unmap(pSourceLine, pixel, pSourceMD); + FormatDesc.Map(pixel, pDestLine, pDestMD); + end; + end; + finally + FormatDesc.FreeMappingData(pDestMD); + bfFormat.FreeMappingData(pSourceMD); + bfFormat.Free; + end; + end; -procedure glBitmapFillWithColorFunc(var FuncRec: TglBitmapFunctionRec); -type - PglBitmapPixelData = ^TglBitmapPixelData; begin - with FuncRec do begin - Dest.Red := PglBitmapPixelData(CustomData)^.Red; - Dest.Green := PglBitmapPixelData(CustomData)^.Green; - Dest.Blue := PglBitmapPixelData(CustomData)^.Blue; - Dest.Alpha := PglBitmapPixelData(CustomData)^.Alpha; + result := false; + if not Assigned(aImage) then + exit; + + with aImage.DataDescription do begin + Mask.r := (QWord(1 shl RedPrec )-1) shl RedShift; + Mask.g := (QWord(1 shl GreenPrec)-1) shl GreenShift; + Mask.b := (QWord(1 shl BluePrec )-1) shl BlueShift; + Mask.a := (QWord(1 shl AlphaPrec)-1) shl AlphaShift; end; -end; + FormatDesc := TFormatDescriptor.GetFromMask(Mask); + f := FormatDesc.Format; + if (f = tfEmpty) then + exit; + CanCopy := + (FormatDesc.BitsPerPixel = aImage.DataDescription.Depth) and + (aImage.DataDescription.BitsPerPixel = aImage.DataDescription.Depth); -procedure TglBitmap.FillWithColor(Red, Green, Blue, Alpha: Byte); -begin - FillWithColorFloat(Red / $FF, Green / $FF, Blue / $FF, Alpha / $FF); + ImageSize := FormatDesc.GetSize(aImage.Width, aImage.Height); + ImageData := GetMem(ImageSize); + try + if CanCopy then + Move(aImage.PixelData^, ImageData^, ImageSize) + else + CopyConvert; + SetData(ImageData, f, aImage.Width, aImage.Height); + except + if Assigned(ImageData) then + FreeMem(ImageData); + raise; + end; + + result := true; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignAlphaToLazIntfImage(const aImage: TLazIntfImage): Boolean; +var + rid: TRawImageDescription; + FormatDesc: TFormatDescriptor; + Pixel: TglBitmapPixelData; + x, y: Integer; + srcMD: Pointer; + src, dst: PByte; +begin + result := false; + if not Assigned(aImage) or (Format = tfEmpty) then + exit; + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed or not FormatDesc.HasAlpha then + exit; + + FillChar(rid{%H-}, SizeOf(rid), 0); + rid.Format := ricfGray; + rid.Width := Width; + rid.Height := Height; + rid.Depth := CountSetBits(FormatDesc.Range.a); + rid.BitOrder := riboBitsInOrder; + rid.ByteOrder := riboLSBFirst; + rid.LineOrder := riloTopToBottom; + rid.LineEnd := rileTight; + rid.BitsPerPixel := 8 * Ceil(rid.Depth / 8); + rid.RedPrec := CountSetBits(FormatDesc.Range.a); + rid.GreenPrec := 0; + rid.BluePrec := 0; + rid.AlphaPrec := 0; + rid.RedShift := 0; + rid.GreenShift := 0; + rid.BlueShift := 0; + rid.AlphaShift := 0; + + rid.MaskBitsPerPixel := 0; + rid.PaletteColorCount := 0; + + aImage.DataDescription := rid; + aImage.CreateData; + + srcMD := FormatDesc.CreateMappingData; + try + FormatDesc.PreparePixel(Pixel); + src := Data; + dst := aImage.PixelData; + for y := 0 to Height-1 do + for x := 0 to Width-1 do begin + FormatDesc.Unmap(src, Pixel, srcMD); + case rid.BitsPerPixel of + 8: begin + dst^ := Pixel.Data.a; + inc(dst); + end; + 16: begin + PWord(dst)^ := Pixel.Data.a; + inc(dst, 2); + end; + 24: begin + PByteArray(dst)^[0] := PByteArray(@Pixel.Data.a)^[0]; + PByteArray(dst)^[1] := PByteArray(@Pixel.Data.a)^[1]; + PByteArray(dst)^[2] := PByteArray(@Pixel.Data.a)^[2]; + inc(dst, 3); + end; + 32: begin + PCardinal(dst)^ := Pixel.Data.a; + inc(dst, 4); + end; + else + raise EglBitmapUnsupportedFormat.Create(Format); + end; + end; + finally + FormatDesc.FreeMappingData(srcMD); + end; + result := true; +end; -procedure TglBitmap.FillWithColorFloat(Red, Green, Blue, Alpha: Single); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; var - PixelData: TglBitmapPixelData; + data: TglBitmapData; begin - FormatPreparePixel(PixelData, InternalFormat); - - PixelData.Red := Max(0, Min(PixelData.PixelDesc.RedRange, Trunc(PixelData.PixelDesc.RedRange * Red))); - PixelData.Green := Max(0, Min(PixelData.PixelDesc.GreenRange, Trunc(PixelData.PixelDesc.GreenRange * Green))); - PixelData.Blue := Max(0, Min(PixelData.PixelDesc.BlueRange, Trunc(PixelData.PixelDesc.BlueRange * Blue))); - PixelData.Alpha := Max(0, Min(PixelData.PixelDesc.AlphaRange, Trunc(PixelData.PixelDesc.AlphaRange * Alpha))); - - AddFunc(glBitmapFillWithColorFunc, False, @PixelData); + data := TglBitmapData.Create; + try + data.AssignFromLazIntfImage(aImage); + result := AddAlphaFromDataObj(data, aFunc, aArgs); + finally + data.Free; + end; end; +{$ENDIF} - -procedure TglBitmap.FillWithColorRange(Red, Green, Blue, Alpha: Cardinal); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; var - PixelData: TglBitmapPixelData; + rs: TResourceStream; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); - - FillWithColorFloat( - Red / PixelData.PixelDesc.RedRange, - Green / PixelData.PixelDesc.GreenRange, - Blue / PixelData.PixelDesc.BlueRange, - Alpha / PixelData.PixelDesc.AlphaRange); + PrepareResType(aResource, aResType); + rs := TResourceStream.Create(aInstance, aResource, aResType); + try + result := AddAlphaFromStream(rs, aFunc, aArgs); + finally + rs.Free; + end; end; - -procedure TglBitmap.SetAnisotropic(const Value: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; var - MaxAniso: Integer; + rs: TResourceStream; begin - fAnisotropic := Value; - - if (ID > 0) then begin - if GL_EXT_texture_filter_anisotropic then begin - if fAnisotropic > 0 then begin - Bind(False); - - glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, @MaxAniso); - - if Value > MaxAniso then - fAnisotropic := MaxAniso; - - glTexParameteri(Target, GL_TEXTURE_MAX_ANISOTROPY_EXT, fAnisotropic); - end; - end else begin - fAnisotropic := 0; - end; + rs := TResourceStream.CreateFromID(aInstance, aResourceID, aResType); + try + result := AddAlphaFromStream(rs, aFunc, aArgs); + finally + rs.Free; end; end; - -procedure TglBitmap.SetInternalFormat(const Value: TglBitmapInternalFormat); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; begin - if InternalFormat <> Value then begin - if FormatGetSize(Value) <> FormatGetSize(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('SetInternalFormat - ' + UNSUPPORTED_INTERNAL_FORMAT); + if TFormatDescriptor.Get(Format).IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); + result := Convert(Self, aFunc, false, TFormatDescriptor.Get(Format).WithAlpha, aArgs); +end; - // Update whatever - SetDataPointer(Data, Value); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + FS: TFileStream; +begin + FS := TFileStream.Create(aFileName, fmOpenRead); + try + result := AddAlphaFromStream(FS, aFunc, aArgs); + finally + FS.Free; end; end; - -function TglBitmap.AddFunc(Func: TglBitmapFunction; CreateTemp: Boolean; - CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + data: TglBitmapData; begin - Result := AddFunc(Self, Func, CreateTemp, InternalFormat, CustomData); + data := TglBitmapData.Create(aStream); + try + result := AddAlphaFromDataObj(data, aFunc, aArgs); + finally + data.Free; + end; end; - -function TglBitmap.AddFunc(Source: TglBitmap; Func: TglBitmapFunction; - CreateTemp: Boolean; Format: TglBitmapInternalFormat; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromDataObj(const aDataObj: TglBitmapData; aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; var - pDest, NewImage, pSource: pByte; + DestData, DestData2, SourceData: pByte; TempHeight, TempWidth: Integer; - MapFunc: TglBitmapMapFunc; - UnMapFunc: TglBitmapUnMapFunc; + SourceFD, DestFD: TFormatDescriptor; + SourceMD, DestMD, DestMD2: Pointer; FuncRec: TglBitmapFunctionRec; begin + result := false; + Assert(Assigned(Data)); - Assert(Assigned(Source)); - Assert(Assigned(Source.Data)); + Assert(Assigned(aDataObj)); + Assert(Assigned(aDataObj.Data)); - Result := False; + if ((aDataObj.Width = Width) and (aDataObj.Height = Height)) then begin + result := ConvertTo(TFormatDescriptor.Get(Format).WithAlpha); - if Assigned (Source.Data) and FormatIsUncompressed(Format) and - ((Source.Height > 0) or (Source.Width > 0)) then begin + SourceFD := TFormatDescriptor.Get(aDataObj.Format); + DestFD := TFormatDescriptor.Get(Format); - // inkompatible Formats so CreateTemp - if FormatGetSize(Format) <> FormatGetSize(InternalFormat) then - CreateTemp := True; + if not Assigned(aFunc) then begin + aFunc := glBitmapAlphaFunc; + FuncRec.Args := {%H-}Pointer(SourceFD.HasAlpha); + end else + FuncRec.Args := aArgs; // Values - TempHeight := Max(1, Source.Height); - TempWidth := Max(1, Source.Width); + TempWidth := aDataObj.Width; + TempHeight := aDataObj.Height; + if (TempWidth <= 0) or (TempHeight <= 0) then + exit; - FuncRec.Sender := Self; - FuncRec.CustomData := CustomData; + FuncRec.Sender := Self; + FuncRec.Size := Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; - NewImage := nil; + DestData := Data; + DestData2 := Data; + SourceData := aDataObj.Data; - if CreateTemp then begin - GetMem(NewImage, Trunc(FormatGetSize(Format) * TempHeight * TempWidth)); - pDest := NewImage; - end - else pDest := Data; + // Mapping + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); + SourceMD := SourceFD.CreateMappingData; + DestMD := DestFD.CreateMappingData; + DestMD2 := DestFD.CreateMappingData; try - // Mapping - MapFunc := FormatGetMapFunc(Format); - FormatPreparePixel(FuncRec.Dest, Format); - FormatPreparePixel(FuncRec.Source, Source.InternalFormat); - - FuncRec.Size := Source.Dimension; - FuncRec.Position.Fields := FuncRec.Size.Fields; - - if FormatIsUncompressed(Source.InternalFormat) then begin - // Uncompressed Images - pSource := Source.Data; - UnMapFunc := FormatGetUnMapFunc(Source.InternalFormat); - - FuncRec.Position.Y := 0; - while FuncRec.Position.Y < TempHeight do begin - FuncRec.Position.X := 0; - while FuncRec.Position.X < TempWidth do begin - // Get Data - UnMapFunc(pSource, FuncRec.Source); - // Func - Func(FuncRec); - // Set Data - MapFunc(FuncRec.Dest, pDest); - Inc(FuncRec.Position.X); - end; - Inc(FuncRec.Position.Y); - end; - end else begin - // Compressed Images - FuncRec.Position.Y := 0; - while FuncRec.Position.Y < TempHeight do begin - FuncRec.Position.X := 0; - while FuncRec.Position.X < TempWidth do begin - // Get Data - fGetPixelFunc(FuncRec.Position, FuncRec.Source); - // Func - Func(FuncRec); - // Set Data - MapFunc(FuncRec.Dest, pDest); - Inc(FuncRec.Position.X); - end; - Inc(FuncRec.Position.Y); + FuncRec.Position.Y := 0; + while FuncRec.Position.Y < TempHeight do begin + FuncRec.Position.X := 0; + while FuncRec.Position.X < TempWidth do begin + SourceFD.Unmap(SourceData, FuncRec.Source, SourceMD); + DestFD.Unmap (DestData, FuncRec.Dest, DestMD); + aFunc(FuncRec); + DestFD.Map(FuncRec.Dest, DestData2, DestMD2); + inc(FuncRec.Position.X); end; + inc(FuncRec.Position.Y); end; - - // Updating Image or InternalFormat - if CreateTemp then - SetDataPointer(NewImage, Format) - else - - if Format <> InternalFormat then - SetInternalFormat(Format); - - Result := True; - except - if CreateTemp - then FreeMem(NewImage); - raise; + finally + SourceFD.FreeMappingData(SourceMD); + DestFD.FreeMappingData(DestMD); + DestFD.FreeMappingData(DestMD2); end; end; end; - -procedure glBitmapConvertCopyFunc(var FuncRec: TglBitmapFunctionRec); -begin - with FuncRec do begin - if Source.PixelDesc.RedRange > 0 then - Dest.Red := Source.Red; - - if Source.PixelDesc.GreenRange > 0 then - Dest.Green := Source.Green; - - if Source.PixelDesc.BlueRange > 0 then - Dest.Blue := Source.Blue; - - if Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Source.Alpha; - end; -end; - - -procedure glBitmapConvertCalculateRGBAFunc(var FuncRec: TglBitmapFunctionRec); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte): Boolean; begin - with FuncRec do begin - if Source.PixelDesc.RedRange > 0 then - Dest.Red := Round(Dest.PixelDesc.RedRange * Source.Red / Source.PixelDesc.RedRange); - - if Source.PixelDesc.GreenRange > 0 then - Dest.Green := Round(Dest.PixelDesc.GreenRange * Source.Green / Source.PixelDesc.GreenRange); - - if Source.PixelDesc.BlueRange > 0 then - Dest.Blue := Round(Dest.PixelDesc.BlueRange * Source.Blue / Source.PixelDesc.BlueRange); - - if Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Round(Dest.PixelDesc.AlphaRange * Source.Alpha / Source.PixelDesc.AlphaRange); - end; + result := AddAlphaFromColorKeyFloat(aRed / $FF, aGreen / $FF, aBlue / $FF, aDeviation / $FF); end; - -procedure glBitmapConvertShiftRGBAFunc(var FuncRec: TglBitmapFunctionRec); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal): Boolean; +var + PixelData: TglBitmapPixelData; begin - with FuncRec do - with TglBitmapPixelDesc(CustomData^) do begin - if Source.PixelDesc.RedRange > 0 then - Dest.Red := Source.Red shr RedShift; - - if Source.PixelDesc.GreenRange > 0 then - Dest.Green := Source.Green shr GreenShift; - - if Source.PixelDesc.BlueRange > 0 then - Dest.Blue := Source.Blue shr BlueShift; - - if Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Source.Alpha shr AlphaShift; - end; + TFormatDescriptor.GetAlpha(Format).PreparePixel(PixelData); + result := AddAlphaFromColorKeyFloat( + aRed / PixelData.Range.r, + aGreen / PixelData.Range.g, + aBlue / PixelData.Range.b, + aDeviation / Max(PixelData.Range.r, Max(PixelData.Range.g, PixelData.Range.b))); end; - -function TglBitmap.ConvertTo(NewFormat: TglBitmapInternalFormat): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single): Boolean; var - Source, Dest: TglBitmapPixelData; - PixelDesc: TglBitmapPixelDesc; - - function CopyDirect: Boolean; - begin - Result := - ((Source.PixelDesc.RedRange = Dest.PixelDesc.RedRange) or (Source.PixelDesc.RedRange = 0) or (Dest.PixelDesc.RedRange = 0)) and - ((Source.PixelDesc.GreenRange = Dest.PixelDesc.GreenRange) or (Source.PixelDesc.GreenRange = 0) or (Dest.PixelDesc.GreenRange = 0)) and - ((Source.PixelDesc.BlueRange = Dest.PixelDesc.BlueRange) or (Source.PixelDesc.BlueRange = 0) or (Dest.PixelDesc.BlueRange = 0)) and - ((Source.PixelDesc.AlphaRange = Dest.PixelDesc.AlphaRange) or (Source.PixelDesc.AlphaRange = 0) or (Dest.PixelDesc.AlphaRange = 0)); - end; - - function CanShift: Boolean; - begin - Result := - ((Source.PixelDesc.RedRange >= Dest.PixelDesc.RedRange ) or (Source.PixelDesc.RedRange = 0) or (Dest.PixelDesc.RedRange = 0)) and - ((Source.PixelDesc.GreenRange >= Dest.PixelDesc.GreenRange) or (Source.PixelDesc.GreenRange = 0) or (Dest.PixelDesc.GreenRange = 0)) and - ((Source.PixelDesc.BlueRange >= Dest.PixelDesc.BlueRange ) or (Source.PixelDesc.BlueRange = 0) or (Dest.PixelDesc.BlueRange = 0)) and - ((Source.PixelDesc.AlphaRange >= Dest.PixelDesc.AlphaRange) or (Source.PixelDesc.AlphaRange = 0) or (Dest.PixelDesc.AlphaRange = 0)); - end; - - function GetShift(Source, Dest: Cardinal) : ShortInt; - begin - Result := 0; + values: array[0..2] of Single; + tmp: Cardinal; + i: Integer; + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetAlpha(Format).PreparePixel(PixelData); + with PixelData do begin + values[0] := aRed; + values[1] := aGreen; + values[2] := aBlue; - while (Source > Dest) and (Source > 0) do begin - Inc(Result); - Source := Source shr 1; + for i := 0 to 2 do begin + tmp := Trunc(Range.arr[i] * aDeviation); + Data.arr[i] := Min(Range.arr[i], Trunc(Range.arr[i] * values[i] + tmp)); + Range.arr[i] := Max(0, Trunc(Range.arr[i] * values[i] - tmp)); end; + Data.a := 0; + Range.a := 0; end; - -begin - if NewFormat <> InternalFormat then begin - FormatPreparePixel(Source, InternalFormat); - FormatPreparePixel(Dest, NewFormat); - - if CopyDirect then - Result := AddFunc(Self, glBitmapConvertCopyFunc, False, NewFormat) - else - if CanShift then begin - PixelDesc.RedShift := GetShift(Source.PixelDesc.RedRange, Dest.PixelDesc.RedRange); - PixelDesc.GreenShift := GetShift(Source.PixelDesc.GreenRange, Dest.PixelDesc.GreenRange); - PixelDesc.BlueShift := GetShift(Source.PixelDesc.BlueRange, Dest.PixelDesc.BlueRange); - PixelDesc.AlphaShift := GetShift(Source.PixelDesc.AlphaRange, Dest.PixelDesc.AlphaRange); - - Result := AddFunc(Self, glBitmapConvertShiftRGBAFunc, False, NewFormat, @PixelDesc); - end - else Result := AddFunc(Self, glBitmapConvertCalculateRGBAFunc, False, NewFormat); - end - else Result := True; + result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, @PixelData); end; - -function TglBitmap.RemoveAlpha: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromValue(const aAlpha: Byte): Boolean; begin - Result := False; - - if (Assigned(Data)) then begin - if not (FormatIsUncompressed(InternalFormat) or FormatHasAlpha(InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('RemoveAlpha - ' + UNSUPPORTED_INTERNAL_FORMAT); - - Result := ConvertTo(FormatGetWithoutAlpha(InternalFormat)); - end; + result := AddAlphaFromValueFloat(aAlpha / $FF); end; - -function TglBitmap.AddAlphaFromFunc(Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; +var + PixelData: TglBitmapPixelData; begin - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('AddAlphaFromFunc - ' + UNSUPPORTED_INTERNAL_FORMAT); - - Result := AddFunc(Self, Func, False, FormatGetWithAlpha(InternalFormat), CustomData); + TFormatDescriptor.GetAlpha(Format).PreparePixel(PixelData); + result := AddAlphaFromValueFloat(aAlpha / PixelData.Range.a); end; - -function TglBitmap.GetHeight: Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromValueFloat(const aAlpha: Single): Boolean; +var + PixelData: TglBitmapPixelData; begin - if ffY in fDimension.Fields then - Result := fDimension.Y - else - Result := -1; + TFormatDescriptor.GetAlpha(Format).PreparePixel(PixelData); + with PixelData do + Data.a := Min(Range.a, Max(0, Round(Range.a * aAlpha))); + result := AddAlphaFromFunc(glBitmapValueAlphaFunc, @PixelData.Data.a); end; - -function TglBitmap.GetWidth: Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.RemoveAlpha: Boolean; +var + FormatDesc: TFormatDescriptor; begin - if ffX in fDimension.Fields then - Result := fDimension.X - else - Result := -1; + result := false; + FormatDesc := TFormatDescriptor.Get(Format); + if Assigned(Data) then begin + if FormatDesc.IsCompressed or not FormatDesc.HasAlpha then + raise EglBitmapUnsupportedFormat.Create(Format); + result := ConvertTo(FormatDesc.WithoutAlpha); + end; end; - -function TglBitmap.GetFileHeight: Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.FillWithColor(const aRed, aGreen, aBlue: Byte; + const aAlpha: Byte); begin - Result := Max(1, Height); + FillWithColorFloat(aRed/$FF, aGreen/$FF, aBlue/$FF, aAlpha/$FF); end; - -function TglBitmap.GetFileWidth: Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal); +var + PixelData: TglBitmapPixelData; begin - Result := Max(1, Width); + TFormatDescriptor.GetAlpha(Format).PreparePixel(PixelData); + FillWithColorFloat( + aRed / PixelData.Range.r, + aGreen / PixelData.Range.g, + aBlue / PixelData.Range.b, + aAlpha / PixelData.Range.a); end; - -procedure glBitmapAlphaFunc(var FuncRec: TglBitmapFunctionRec); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha: Single); var - Temp: Single; + PixelData: TglBitmapPixelData; begin - with FuncRec do begin - Temp := - Source.Red / Source.PixelDesc.RedRange * 0.3 + - Source.Green / Source.PixelDesc.GreenRange * 0.59 + - Source.Blue / Source.PixelDesc.BlueRange * 0.11; - - Dest.Alpha := Round (Dest.PixelDesc.AlphaRange * Temp); + TFormatDescriptor.Get(Format).PreparePixel(PixelData); + with PixelData do begin + Data.r := Max(0, Min(Range.r, Trunc(Range.r * aRed))); + Data.g := Max(0, Min(Range.g, Trunc(Range.g * aGreen))); + Data.b := Max(0, Min(Range.b, Trunc(Range.b * aBlue))); + Data.a := Max(0, Min(Range.a, Trunc(Range.a * aAlpha))); end; + Convert(glBitmapFillWithColorFunc, false, @PixelData); end; - -function TglBitmap.AddAlphaFromglBitmap(glBitmap: TglBitmap; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - pDest, pDest2, pSource: pByte; - TempHeight, TempWidth: Integer; - MapFunc: TglBitmapMapFunc; - DestUnMapFunc, UnMapFunc: TglBitmapUnMapFunc; - - FuncRec: TglBitmapFunctionRec; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SetData(const aData: PByte; const aFormat: TglBitmapFormat; const aWidth: Integer; const aHeight: Integer); begin - Result := False; - - assert(Assigned(Data)); - assert(Assigned(glBitmap)); - assert(Assigned(glBitmap.Data)); - - if ((glBitmap.Width = Width) and (glBitmap.Height = Height)) then begin - // Convert to Data with Alpha - Result := ConvertTo(FormatGetWithAlpha(FormatGetUncompressed(InternalFormat))); - - if not Assigned(Func) then - Func := glBitmapAlphaFunc; - - // Values - TempHeight := glBitmap.FileHeight; - TempWidth := glBitmap.FileWidth; - - FuncRec.Sender := Self; - FuncRec.CustomData := CustomData; - - pDest := Data; - pDest2 := Data; - pSource := glBitmap.Data; - - // Mapping - FormatPreparePixel(FuncRec.Dest, InternalFormat); - FormatPreparePixel(FuncRec.Source, glBitmap.InternalFormat); - MapFunc := FormatGetMapFunc(InternalFormat); - DestUnMapFunc := FormatGetUnMapFunc(InternalFormat); - UnMapFunc := FormatGetUnMapFunc(glBitmap.InternalFormat); - - FuncRec.Size := Dimension; - FuncRec.Position.Fields := FuncRec.Size.Fields; - - FuncRec.Position.Y := 0; - while FuncRec.Position.Y < TempHeight do begin - FuncRec.Position.X := 0; - while FuncRec.Position.X < TempWidth do begin - // Get Data - UnMapFunc(pSource, FuncRec.Source); - DestUnMapFunc(pDest2, FuncRec.Dest); - // Func - Func(FuncRec); - // Set Data - MapFunc(FuncRec.Dest, pDest); - Inc(FuncRec.Position.X); - end; - Inc(FuncRec.Position.Y); - end; + if (Data <> aData) then begin + if (Assigned(Data)) then + FreeMem(Data); + fData := aData; end; -end; + if Assigned(fData) then begin + FillChar(fDimension, SizeOf(fDimension), 0); + if aWidth <> -1 then begin + fDimension.Fields := fDimension.Fields + [ffX]; + fDimension.X := aWidth; + end; -procedure TglBitmap.SetBorderColor(Red, Green, Blue, Alpha: Single); -begin - fBorderColor[0] := Red; - fBorderColor[1] := Green; - fBorderColor[2] := Blue; - fBorderColor[3] := Alpha; + if aHeight <> -1 then begin + fDimension.Fields := fDimension.Fields + [ffY]; + fDimension.Y := aHeight; + end; - if ID > 0 then begin - Bind (False); + fFormat := aFormat; + end else + fFormat := tfEmpty; - glTexParameterfv(Target, GL_TEXTURE_BORDER_COLOR, @fBorderColor[0]); - end; + UpdateScanlines; end; - -{ TglBitmap2D } - -procedure TglBitmap2D.SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width, Height: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.Clone: TglBitmapData; var - Idx, LineWidth: Integer; + Temp: TglBitmapData; + TempPtr: PByte; + Size: Integer; begin - inherited; - - // Format - if FormatIsUncompressed(Format) then begin - fUnmapFunc := FormatGetUnMapFunc(Format); - fGetPixelFunc := GetPixel2DUnmap; - - fMapFunc := FormatGetMapFunc(Format); - fSetPixelFunc := SetPixel2DUnmap; - - // Assigning Data + result := nil; + Temp := (ClassType.Create as TglBitmapData); + try + // copy texture data if assigned if Assigned(Data) then begin - SetLength(fLines, GetHeight); - - LineWidth := Trunc(GetWidth * FormatGetSize(InternalFormat)); - - for Idx := 0 to GetHeight -1 do begin - fLines[Idx] := Data; - Inc(fLines[Idx], Idx * LineWidth); + Size := TFormatDescriptor.Get(Format).GetSize(fDimension); + GetMem(TempPtr, Size); + try + Move(Data^, TempPtr^, Size); + Temp.SetData(TempPtr, Format, Width, Height); + except + if Assigned(TempPtr) then + FreeMem(TempPtr); + raise; end; - end - else SetLength(fLines, 0); - end else begin - SetLength(fLines, 0); - - fSetPixelFunc := nil; - - case Format of - ifDXT1: - fGetPixelFunc := GetPixel2DDXT1; - ifDXT3: - fGetPixelFunc := GetPixel2DDXT3; - ifDXT5: - fGetPixelFunc := GetPixel2DDXT5; - else - fGetPixelFunc := nil; + end else begin + TempPtr := nil; + Temp.SetData(TempPtr, Format, Width, Height); end; - end; -end; - -procedure TglBitmap2D.GetDXTColorBlock(pData: pByte; relX, relY: Integer; var Pixel: TglBitmapPixelData); -type - PDXT1Chunk = ^TDXT1Chunk; - TDXT1Chunk = packed record - Color1: WORD; - Color2: WORD; - Pixels: array [0..3] of byte; + // copy properties + Temp.fFormat := Format; + result := Temp; + except + FreeAndNil(Temp); + raise; end; +end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.Invert(const aRed, aGreen, aBlue, aAlpha: Boolean); var - BasePtr: pDXT1Chunk; - PixPos: Integer; - Colors: array [0..3] of TRGBQuad; + mask: PtrInt; begin - BasePtr := pDXT1Chunk(pData); - - PixPos := BasePtr^.Pixels[relY] shr (relX * 2) and $3; - - if PixPos in [0, 2, 3] then begin - Colors[0].rgbRed := BasePtr^.Color1 and $F800 shr 8; - Colors[0].rgbGreen := BasePtr^.Color1 and $07E0 shr 3; - Colors[0].rgbBlue := BasePtr^.Color1 and $001F shl 3; - Colors[0].rgbReserved := 255; - end; - - if PixPos in [1, 2, 3] then begin - Colors[1].rgbRed := BasePtr^.Color2 and $F800 shr 8; - Colors[1].rgbGreen := BasePtr^.Color2 and $07E0 shr 3; - Colors[1].rgbBlue := BasePtr^.Color2 and $001F shl 3; - Colors[1].rgbReserved := 255; - end; + mask := + (Byte(aRed) and 1) or + ((Byte(aGreen) and 1) shl 1) or + ((Byte(aBlue) and 1) shl 2) or + ((Byte(aAlpha) and 1) shl 3); + if (mask > 0) then + Convert(glBitmapInvertFunc, false, {%H-}Pointer(mask)); +end; - if PixPos = 2 then begin - Colors[2].rgbRed := (Colors[0].rgbRed * 67 + Colors[1].rgbRed * 33) div 100; - Colors[2].rgbGreen := (Colors[0].rgbGreen * 67 + Colors[1].rgbGreen * 33) div 100; - Colors[2].rgbBlue := (Colors[0].rgbBlue * 67 + Colors[1].rgbBlue * 33) div 100; - Colors[2].rgbReserved := 255; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +type + TMatrixItem = record + X, Y: Integer; + W: Single; end; - if PixPos = 3 then begin - Colors[3].rgbRed := (Colors[0].rgbRed * 33 + Colors[1].rgbRed * 67) div 100; - Colors[3].rgbGreen := (Colors[0].rgbGreen * 33 + Colors[1].rgbGreen * 67) div 100; - Colors[3].rgbBlue := (Colors[0].rgbBlue * 33 + Colors[1].rgbBlue * 67) div 100; - if BasePtr^.Color1 > BasePtr^.Color2 then - Colors[3].rgbReserved := 255 - else - Colors[3].rgbReserved := 0; + PglBitmapToNormalMapRec = ^TglBitmapToNormalMapRec; + TglBitmapToNormalMapRec = Record + Scale: Single; + Heights: array of Single; + MatrixU : array of TMatrixItem; + MatrixV : array of TMatrixItem; end; - Pixel.Red := Colors[PixPos].rgbRed; - Pixel.Green := Colors[PixPos].rgbGreen; - Pixel.Blue := Colors[PixPos].rgbBlue; - Pixel.Alpha := Colors[PixPos].rgbReserved; -end; - +const + ONE_OVER_255 = 1 / 255; -procedure TglBitmap2D.GetPixel2DDXT1(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); + ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapPrepareFunc(var FuncRec: TglBitmapFunctionRec); var - BasePtr: pByte; - PosX, PosY: Integer; + Val: Single; begin - inherited; - - if (Pos.Y <= Height) and (Pos.X <= Width) then begin - PosX := Pos.X div 4; - PosY := Pos.Y div 4; - - BasePtr := Data; - Inc(BasePtr, (PosY * Width div 4 + PosX) * 8); - - GetDXTColorBlock(BasePtr, Pos.X - PosX * 4, Pos.Y - PosY * 4, Pixel); + with FuncRec do begin + Val := + Source.Data.r * LUMINANCE_WEIGHT_R + + Source.Data.g * LUMINANCE_WEIGHT_G + + Source.Data.b * LUMINANCE_WEIGHT_B; + PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Val * ONE_OVER_255; end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapPrepareAlphaFunc(var FuncRec: TglBitmapFunctionRec); +begin + with FuncRec do + PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Source.Data.a * ONE_OVER_255; +end; -procedure TglBitmap2D.GetPixel2DDXT3(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapFunc (var FuncRec: TglBitmapFunctionRec); type - PDXT3AlphaChunk = ^TDXT3AlphaChunk; - TDXT3AlphaChunk = array [0..3] of WORD; - + TVec = Array[0..2] of Single; var - ColorPtr: pByte; - AlphaPtr: PDXT3AlphaChunk; - PosX, PosY, relX, relY: Integer; -begin - inherited; + Idx: Integer; + du, dv: Double; + Len: Single; + Vec: TVec; + + function GetHeight(X, Y: Integer): Single; + begin + with FuncRec do begin + X := Max(0, Min(Size.X -1, X)); + Y := Max(0, Min(Size.Y -1, Y)); + result := PglBitmapToNormalMapRec(Args)^.Heights[Y * Size.X + X]; + end; + end; - if (Pos.Y <= Height) and (Pos.X <= Width) then begin - PosX := Pos.X div 4; - PosY := Pos.Y div 4; - relX := Pos.X - PosX * 4; - relY := Pos.Y - PosY * 4; +begin + with FuncRec do begin + with PglBitmapToNormalMapRec(Args)^ do begin + du := 0; + for Idx := Low(MatrixU) to High(MatrixU) do + du := du + GetHeight(Position.X + MatrixU[Idx].X, Position.Y + MatrixU[Idx].Y) * MatrixU[Idx].W; - // get color value - AlphaPtr := PDXT3AlphaChunk(Data); - Inc(AlphaPtr, (PosY * Width div 4 + PosX) * 2); + dv := 0; + for Idx := Low(MatrixU) to High(MatrixU) do + dv := dv + GetHeight(Position.X + MatrixV[Idx].X, Position.Y + MatrixV[Idx].Y) * MatrixV[Idx].W; - ColorPtr := pByte(AlphaPtr); - Inc(ColorPtr, 8); + Vec[0] := -du * Scale; + Vec[1] := -dv * Scale; + Vec[2] := 1; + end; - GetDXTColorBlock(ColorPtr, relX, relY, Pixel); + // Normalize + Len := 1 / Sqrt(Sqr(Vec[0]) + Sqr(Vec[1]) + Sqr(Vec[2])); + if Len <> 0 then begin + Vec[0] := Vec[0] * Len; + Vec[1] := Vec[1] * Len; + Vec[2] := Vec[2] * Len; + end; - // extracting alpha - Pixel.Alpha := AlphaPtr^[relY] shr (4 * relX) and $0F shl 4; + // Farbe zuweisem + Dest.Data.r := Trunc((Vec[0] + 1) * 127.5); + Dest.Data.g := Trunc((Vec[1] + 1) * 127.5); + Dest.Data.b := Trunc((Vec[2] + 1) * 127.5); end; end; - -procedure TglBitmap2D.GetPixel2DDXT5(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.GenerateNormalMap(const aFunc: TglBitmapNormalMapFunc; const aScale: Single; const aUseAlpha: Boolean); var - ColorPtr: pByte; - AlphaPtr: PInt64; - PixPos, PosX, PosY, relX, relY: Integer; - Alpha0, Alpha1: Byte; -begin - inherited; - - if (Pos.Y <= Height) and (Pos.X <= Width) then begin - PosX := Pos.X div 4; - PosY := Pos.Y div 4; - relX := Pos.X - PosX * 4; - relY := Pos.Y - PosY * 4; - - // get color value - AlphaPtr := PInt64(Data); - Inc(AlphaPtr, (PosY * Width div 4 + PosX) * 2); - - ColorPtr := pByte(AlphaPtr); - Inc(ColorPtr, 8); - - GetDXTColorBlock(ColorPtr, relX, relY, Pixel); + Rec: TglBitmapToNormalMapRec; - // extracting alpha - Alpha0 := AlphaPtr^ and $FF; - Alpha1 := AlphaPtr^ shr 8 and $FF; + procedure SetEntry (var Matrix: array of TMatrixItem; Index, X, Y: Integer; W: Single); + begin + if (Index >= Low(Matrix)) and (Index <= High(Matrix)) then begin + Matrix[Index].X := X; + Matrix[Index].Y := Y; + Matrix[Index].W := W; + end; + end; - PixPos := AlphaPtr^ shr (16 + (relY * 4 + relX) * 3) and $07; +begin + if TFormatDescriptor.Get(Format).IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); - // use alpha 0 - if PixPos = 0 then begin - Pixel.Alpha := Alpha0; - end else + if aScale > 100 then + Rec.Scale := 100 + else if aScale < -100 then + Rec.Scale := -100 + else + Rec.Scale := aScale; - // use alpha 1 - if PixPos = 1 then begin - Pixel.Alpha := Alpha1; - end else + SetLength(Rec.Heights, Width * Height); + try + case aFunc of + nm4Samples: begin + SetLength(Rec.MatrixU, 2); + SetEntry(Rec.MatrixU, 0, -1, 0, -0.5); + SetEntry(Rec.MatrixU, 1, 1, 0, 0.5); + + SetLength(Rec.MatrixV, 2); + SetEntry(Rec.MatrixV, 0, 0, 1, 0.5); + SetEntry(Rec.MatrixV, 1, 0, -1, -0.5); + end; - // alpha interpolate 7 Steps - if Alpha0 > Alpha1 then begin - Pixel.Alpha := ((8 - PixPos) * Alpha0 + (PixPos - 1) * Alpha1) div 7; - end else + nmSobel: begin + SetLength(Rec.MatrixU, 6); + SetEntry(Rec.MatrixU, 0, -1, 1, -1.0); + SetEntry(Rec.MatrixU, 1, -1, 0, -2.0); + SetEntry(Rec.MatrixU, 2, -1, -1, -1.0); + SetEntry(Rec.MatrixU, 3, 1, 1, 1.0); + SetEntry(Rec.MatrixU, 4, 1, 0, 2.0); + SetEntry(Rec.MatrixU, 5, 1, -1, 1.0); + + SetLength(Rec.MatrixV, 6); + SetEntry(Rec.MatrixV, 0, -1, 1, 1.0); + SetEntry(Rec.MatrixV, 1, 0, 1, 2.0); + SetEntry(Rec.MatrixV, 2, 1, 1, 1.0); + SetEntry(Rec.MatrixV, 3, -1, -1, -1.0); + SetEntry(Rec.MatrixV, 4, 0, -1, -2.0); + SetEntry(Rec.MatrixV, 5, 1, -1, -1.0); + end; - // alpha is 100% transparent or not transparent - if PixPos >= 6 then begin - if PixPos = 6 then - Pixel.Alpha := 0 - else - Pixel.Alpha := 255; - end else + nm3x3: begin + SetLength(Rec.MatrixU, 6); + SetEntry(Rec.MatrixU, 0, -1, 1, -1/6); + SetEntry(Rec.MatrixU, 1, -1, 0, -1/6); + SetEntry(Rec.MatrixU, 2, -1, -1, -1/6); + SetEntry(Rec.MatrixU, 3, 1, 1, 1/6); + SetEntry(Rec.MatrixU, 4, 1, 0, 1/6); + SetEntry(Rec.MatrixU, 5, 1, -1, 1/6); + + SetLength(Rec.MatrixV, 6); + SetEntry(Rec.MatrixV, 0, -1, 1, 1/6); + SetEntry(Rec.MatrixV, 1, 0, 1, 1/6); + SetEntry(Rec.MatrixV, 2, 1, 1, 1/6); + SetEntry(Rec.MatrixV, 3, -1, -1, -1/6); + SetEntry(Rec.MatrixV, 4, 0, -1, -1/6); + SetEntry(Rec.MatrixV, 5, 1, -1, -1/6); + end; - // alpha interpolate 5 Steps - begin - Pixel.Alpha := ((6 - PixPos) * Alpha0 + (PixPos - 1) * Alpha1) div 5; + nm5x5: begin + SetLength(Rec.MatrixU, 20); + SetEntry(Rec.MatrixU, 0, -2, 2, -1 / 16); + SetEntry(Rec.MatrixU, 1, -1, 2, -1 / 10); + SetEntry(Rec.MatrixU, 2, 1, 2, 1 / 10); + SetEntry(Rec.MatrixU, 3, 2, 2, 1 / 16); + SetEntry(Rec.MatrixU, 4, -2, 1, -1 / 10); + SetEntry(Rec.MatrixU, 5, -1, 1, -1 / 8); + SetEntry(Rec.MatrixU, 6, 1, 1, 1 / 8); + SetEntry(Rec.MatrixU, 7, 2, 1, 1 / 10); + SetEntry(Rec.MatrixU, 8, -2, 0, -1 / 2.8); + SetEntry(Rec.MatrixU, 9, -1, 0, -0.5); + SetEntry(Rec.MatrixU, 10, 1, 0, 0.5); + SetEntry(Rec.MatrixU, 11, 2, 0, 1 / 2.8); + SetEntry(Rec.MatrixU, 12, -2, -1, -1 / 10); + SetEntry(Rec.MatrixU, 13, -1, -1, -1 / 8); + SetEntry(Rec.MatrixU, 14, 1, -1, 1 / 8); + SetEntry(Rec.MatrixU, 15, 2, -1, 1 / 10); + SetEntry(Rec.MatrixU, 16, -2, -2, -1 / 16); + SetEntry(Rec.MatrixU, 17, -1, -2, -1 / 10); + SetEntry(Rec.MatrixU, 18, 1, -2, 1 / 10); + SetEntry(Rec.MatrixU, 19, 2, -2, 1 / 16); + + SetLength(Rec.MatrixV, 20); + SetEntry(Rec.MatrixV, 0, -2, 2, 1 / 16); + SetEntry(Rec.MatrixV, 1, -1, 2, 1 / 10); + SetEntry(Rec.MatrixV, 2, 0, 2, 0.25); + SetEntry(Rec.MatrixV, 3, 1, 2, 1 / 10); + SetEntry(Rec.MatrixV, 4, 2, 2, 1 / 16); + SetEntry(Rec.MatrixV, 5, -2, 1, 1 / 10); + SetEntry(Rec.MatrixV, 6, -1, 1, 1 / 8); + SetEntry(Rec.MatrixV, 7, 0, 1, 0.5); + SetEntry(Rec.MatrixV, 8, 1, 1, 1 / 8); + SetEntry(Rec.MatrixV, 9, 2, 1, 1 / 16); + SetEntry(Rec.MatrixV, 10, -2, -1, -1 / 16); + SetEntry(Rec.MatrixV, 11, -1, -1, -1 / 8); + SetEntry(Rec.MatrixV, 12, 0, -1, -0.5); + SetEntry(Rec.MatrixV, 13, 1, -1, -1 / 8); + SetEntry(Rec.MatrixV, 14, 2, -1, -1 / 10); + SetEntry(Rec.MatrixV, 15, -2, -2, -1 / 16); + SetEntry(Rec.MatrixV, 16, -1, -2, -1 / 10); + SetEntry(Rec.MatrixV, 17, 0, -2, -0.25); + SetEntry(Rec.MatrixV, 18, 1, -2, -1 / 10); + SetEntry(Rec.MatrixV, 19, 2, -2, -1 / 16); + end; end; + + // Daten Sammeln + if aUseAlpha and TFormatDescriptor.Get(Format).HasAlpha then + Convert(glBitmapToNormalMapPrepareAlphaFunc, false, @Rec) + else + Convert(glBitmapToNormalMapPrepareFunc, false, @Rec); + Convert(glBitmapToNormalMapFunc, false, @Rec); + finally + SetLength(Rec.Heights, 0); end; end; - -procedure TglBitmap2D.GetPixel2DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); -var - pTemp: pByte; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create; begin - pTemp := fLines[Pos.Y]; - Inc(pTemp, Pos.X * fPixelSize); - - fUnmapFunc(pTemp, Pixel); + inherited Create; + fFormat := glBitmapDefaultFormat; end; - -procedure TglBitmap2D.SetPixel2DUnmap(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); -var - pTemp: pByte; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aFileName: String); begin - pTemp := fLines[Pos.Y]; - Inc(pTemp, Pos.X * fPixelSize); - - fMapFunc(Pixel, pTemp); + Create; + LoadFromFile(aFileName); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aStream: TStream); +begin + Create; + LoadFromStream(aStream); +end; -function TglBitmap2D.FlipHorz: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; aData: PByte); var - Col, Row: Integer; - pTempDest, pDest, pSource: pByte; - ImgSize: Integer; + ImageSize: Integer; begin - Result := Inherited FlipHorz; - - if Assigned(Data) then begin - pSource := Data; - ImgSize := Height * fRowSize; - - GetMem(pDest, ImgSize); + Create; + if not Assigned(aData) then begin + ImageSize := TFormatDescriptor.Get(aFormat).GetSize(aSize); + GetMem(aData, ImageSize); try - pTempDest := pDest; - - Dec(pTempDest, fRowSize + fPixelSize); - for Row := 0 to Height -1 do begin - Inc(pTempDest, fRowSize * 2); - for Col := 0 to Width -1 do begin - Move(pSource^, pTempDest^, fPixelSize); - - Inc(pSource, fPixelSize); - Dec(pTempDest, fPixelSize); - end; - end; - - SetDataPointer(pDest, InternalFormat); - - Result := True; + FillChar(aData^, ImageSize, #$FF); + SetData(aData, aFormat, aSize.X, aSize.Y); except - FreeMem(pDest); + if Assigned(aData) then + FreeMem(aData); raise; end; + end else begin + SetData(aData, aFormat, aSize.X, aSize.Y); end; end; - -function TglBitmap2D.FlipVert: Boolean; -var - Row: Integer; - pTempDest, pDest, pSource: pByte; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer); begin - Result := Inherited FlipVert; + Create; + LoadFromFunc(aSize, aFormat, aFunc, aArgs); +end; - if Assigned(Data) then begin - pSource := Data; - GetMem(pDest, Height * fRowSize); - try - pTempDest := pDest; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar); +begin + Create; + LoadFromResource(aInstance, aResource, aResType); +end; - Inc(pTempDest, Width * (Height -1) * fPixelSize); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); +begin + Create; + LoadFromResourceID(aInstance, aResourceID, aResType); +end; - for Row := 0 to Height -1 do begin - Move(pSource^, pTempDest^, fRowSize); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +destructor TglBitmapData.Destroy; +begin + SetData(nil, tfEmpty); + inherited Destroy; +end; - Dec(pTempDest, fRowSize); - Inc(pSource, fRowSize); - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PROTECTED/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetWidth: Integer; +begin + if (ffX in fDimension.Fields) then + result := fDimension.X + else + result := -1; +end; - SetDataPointer(pDest, InternalFormat); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetHeight: Integer; +begin + if (ffY in fDimension.Fields) then + result := fDimension.Y + else + result := -1; +end; - Result := True; - except - FreeMem(pDest); - raise; - end; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetCustomData(const aValue: Pointer); +begin + if fCustomData = aValue then + exit; + fCustomData := aValue; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetCustomName(const aValue: String); +begin + if fCustomName = aValue then + exit; + fCustomName := aValue; +end; -procedure TglBitmap2D.UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetCustomNameW(const aValue: WideString); begin - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + if fCustomNameW = aValue then + exit; + fCustomNameW := aValue; +end; - // Upload data - if Self.InternalFormat in [ifDXT1, ifDXT3, ifDXT5] then - glCompressedTexImage2D(Target, 0, InternalFormat, Width, Height, 0, Trunc(Width * Height * FormatGetSize(Self.InternalFormat)), Data) - else +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetDeleteTextureOnFree(const aValue: Boolean); +begin + if fDeleteTextureOnFree = aValue then + exit; + fDeleteTextureOnFree := aValue; +end; - if BuildWithGlu then - gluBuild2DMipmaps(Target, InternalFormat, Width, Height, Format, Typ, Data) - else - glTexImage2D(Target, 0, InternalFormat, Width, Height, 0, Format, Typ, Data); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetID(const aValue: Cardinal); +begin + if fID = aValue then + exit; + fID := aValue; +end; - // Freigeben - if (FreeDataAfterGenTexture) then - FreeData; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetMipMap(const aValue: TglBitmapMipMap); +begin + if fMipMap = aValue then + exit; + fMipMap := aValue; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetTarget(const aValue: Cardinal); +begin + if fTarget = aValue then + exit; + fTarget := aValue; +end; -procedure TglBitmap2D.GenTexture(TestTextureSize: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetAnisotropic(const aValue: Integer); +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_EXT)} var - BuildWithGlu, PotTex, TexRec: Boolean; - glFormat, glInternalFormat, glType: Cardinal; - TexSize: Integer; + MaxAnisotropic: Integer; +{$IFEND} begin - if Assigned(Data) then begin - // Check Texture Size - if (TestTextureSize) then begin - glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); + fAnisotropic := aValue; + if (ID > 0) then begin +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_EXT)} + if GL_EXT_texture_filter_anisotropic then begin + if fAnisotropic > 0 then begin + Bind(false); + glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, @MaxAnisotropic); + if aValue > MaxAnisotropic then + fAnisotropic := MaxAnisotropic; + glTexParameteri(Target, GL_TEXTURE_MAX_ANISOTROPY_EXT, fAnisotropic); + end; + end else begin + fAnisotropic := 0; + end; +{$ELSE} + fAnisotropic := 0; +{$IFEND} + end; +end; - if ((Height > TexSize) or (Width > TexSize)) then - raise EglBitmapSizeToLargeException.Create('TglBitmap2D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.CreateID; +begin + if (ID <> 0) then + glDeleteTextures(1, @fID); + glGenTextures(1, @fID); + Bind(false); +end; - PotTex := IsPowerOfTwo (Height) and IsPowerOfTwo (Width); - TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and - (Target = GL_TEXTURE_RECTANGLE_ARB); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetupParameters({$IFNDEF OPENGL_ES}out aBuildWithGlu: Boolean{$ENDIF}); +begin + // Set Up Parameters + SetWrap(fWrapS, fWrapT, fWrapR); + SetFilter(fFilterMin, fFilterMag); + SetAnisotropic(fAnisotropic); - if not (PotTex or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then - raise EglBitmapNonPowerOfTwoException.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.'); - end; +{$IFNDEF OPENGL_ES} + SetBorderColor(fBorderColor[0], fBorderColor[1], fBorderColor[2], fBorderColor[3]); + if (GL_ARB_texture_swizzle or GL_EXT_texture_swizzle or GL_VERSION_3_3) then + SetSwizzle(fSwizzle[0], fSwizzle[1], fSwizzle[2], fSwizzle[3]); +{$ENDIF} - CreateId; +{$IFNDEF OPENGL_ES} + // Mip Maps Generation Mode + aBuildWithGlu := false; + if (MipMap = mmMipmap) then begin + if (GL_VERSION_1_4 or GL_SGIS_generate_mipmap) then + glTexParameteri(Target, GL_GENERATE_MIPMAP, GL_TRUE) + else + aBuildWithGlu := true; + end else if (MipMap = mmMipmapGlu) then + aBuildWithGlu := true; +{$ELSE} + if (MipMap = mmMipmap) then + glTexParameteri(Target, GL_GENERATE_MIPMAP, GL_TRUE); +{$ENDIF} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PUBLIC////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.AfterConstruction; +begin + inherited AfterConstruction; - SetupParameters(BuildWithGlu); - SelectFormat(InternalFormat, glFormat, glInternalFormat, glType); + fID := 0; + fTarget := 0; +{$IFNDEF OPENGL_ES} + fIsResident := false; +{$ENDIF} - UploadData(Target, glFormat, glInternalFormat, glType, BuildWithGlu); + fMipMap := glBitmapDefaultMipmap; + fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; - // Infos sammeln - glAreTexturesResident(1, @ID, @fIsResident); - end; + glBitmapGetDefaultFilter (fFilterMin, fFilterMag); + glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); +{$IFNDEF OPENGL_ES} + glBitmapGetDefaultSwizzle (fSwizzle[0], fSwizzle[1], fSwizzle[2], fSwizzle[3]); +{$ENDIF} end; - -procedure TglBitmap2D.AfterConstruction; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.BeforeDestruction; begin - inherited; - - Target := GL_TEXTURE_2D; + if (fID > 0) and fDeleteTextureOnFree then + glDeleteTextures(1, @fID); + inherited BeforeDestruction; end; - -type - TMatrixItem = record - X, Y: Integer; - W: Single; +{$IFNDEF OPENGL_ES} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); +begin + fBorderColor[0] := aRed; + fBorderColor[1] := aGreen; + fBorderColor[2] := aBlue; + fBorderColor[3] := aAlpha; + if (ID > 0) then begin + Bind(false); + glTexParameterfv(Target, GL_TEXTURE_BORDER_COLOR, @fBorderColor[0]); end; +end; +{$ENDIF} - PglBitmapToNormalMapRec = ^TglBitmapToNormalMapRec; - TglBitmapToNormalMapRec = Record - Scale: Single; - Heights: array of Single; - MatrixU : array of TMatrixItem; - MatrixV : array of TMatrixItem; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetFilter(const aMin, aMag: GLenum); +begin + //check MIN filter + case aMin of + GL_NEAREST: + fFilterMin := GL_NEAREST; + GL_LINEAR: + fFilterMin := GL_LINEAR; + GL_NEAREST_MIPMAP_NEAREST: + fFilterMin := GL_NEAREST_MIPMAP_NEAREST; + GL_LINEAR_MIPMAP_NEAREST: + fFilterMin := GL_LINEAR_MIPMAP_NEAREST; + GL_NEAREST_MIPMAP_LINEAR: + fFilterMin := GL_NEAREST_MIPMAP_LINEAR; + GL_LINEAR_MIPMAP_LINEAR: + fFilterMin := GL_LINEAR_MIPMAP_LINEAR; + else + raise EglBitmap.Create('SetFilter - Unknow MIN filter.'); end; -const - oneover255 = 1 / 255; - -procedure glBitmapToNormalMapPrepareFunc (var FuncRec: TglBitmapFunctionRec); -var - Val: Single; -begin - with FuncRec do begin - Val := Source.Red * 0.3 + Source.Green * 0.59 + Source.Blue * 0.11; - PglBitmapToNormalMapRec (CustomData)^.Heights[Position.Y * Size.X + Position.X] := Val * oneover255; + //check MAG filter + case aMag of + GL_NEAREST: + fFilterMag := GL_NEAREST; + GL_LINEAR: + fFilterMag := GL_LINEAR; + else + raise EglBitmap.Create('SetFilter - Unknow MAG filter.'); end; -end; + //apply filter + if (ID > 0) then begin + Bind(false); + glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, fFilterMag); -procedure glBitmapToNormalMapPrepareAlphaFunc (var FuncRec: TglBitmapFunctionRec); -begin - with FuncRec do - PglBitmapToNormalMapRec (CustomData)^.Heights[Position.Y * Size.X + Position.X] := Source.Alpha * oneover255; + if (MipMap = mmNone) {$IFNDEF OPENGL_ES}or (Target = GL_TEXTURE_RECTANGLE){$ENDIF} then begin + case fFilterMin of + GL_NEAREST, GL_LINEAR: + glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); + GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR: + glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR: + glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + end; + end else + glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); + end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetWrap(const S: GLenum; const T: GLenum; const R: GLenum); -procedure glBitmapToNormalMapFunc (var FuncRec: TglBitmapFunctionRec); -type - TVec = Array[0..2] of Single; -var - Idx: Integer; - du, dv: Double; - Len: Single; - Vec: TVec; - - function GetHeight(X, Y: Integer): Single; + procedure CheckAndSetWrap(const aValue: Cardinal; var aTarget: Cardinal); begin - with FuncRec do begin - X := Max(0, Min(Size.X -1, X)); - Y := Max(0, Min(Size.Y -1, Y)); + case aValue of +{$IFNDEF OPENGL_ES} + GL_CLAMP: + aTarget := GL_CLAMP; +{$ENDIF} + + GL_REPEAT: + aTarget := GL_REPEAT; + + GL_CLAMP_TO_EDGE: begin +{$IFNDEF OPENGL_ES} + if not GL_VERSION_1_2 and not GL_EXT_texture_edge_clamp then + aTarget := GL_CLAMP + else +{$ENDIF} + aTarget := GL_CLAMP_TO_EDGE; + end; + +{$IFNDEF OPENGL_ES} + GL_CLAMP_TO_BORDER: begin + if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then + aTarget := GL_CLAMP_TO_BORDER + else + aTarget := GL_CLAMP; + end; +{$ENDIF} - Result := PglBitmapToNormalMapRec (CustomData)^.Heights[Y * Size.X + X]; +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} + GL_MIRRORED_REPEAT: begin + {$IFNDEF OPENGL_ES} + if GL_VERSION_1_4 or GL_ARB_texture_mirrored_repeat or GL_IBM_texture_mirrored_repeat then + {$ELSE} + if GL_VERSION_2_0 then + {$ENDIF} + aTarget := GL_MIRRORED_REPEAT + else + raise EglBitmap.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (S).'); + end; +{$IFEND} + else + raise EglBitmap.Create('SetWrap - Unknow Texturewrap'); end; end; begin - with FuncRec do begin - with PglBitmapToNormalMapRec (CustomData)^ do begin - du := 0; - for Idx := Low(MatrixU) to High(MatrixU) do - du := du + GetHeight(Position.X + MatrixU[Idx].X, Position.Y + MatrixU[Idx].Y) * MatrixU[Idx].W; - - dv := 0; - for Idx := Low(MatrixU) to High(MatrixU) do - dv := dv + GetHeight(Position.X + MatrixV[Idx].X, Position.Y + MatrixV[Idx].Y) * MatrixV[Idx].W; - - Vec[0] := -du * Scale; - Vec[1] := -dv * Scale; - Vec[2] := 1; - end; - - // Normalize - Len := 1 / Sqrt(Sqr(Vec[0]) + Sqr(Vec[1]) + Sqr(Vec[2])); - if Len <> 0 then begin - Vec[0] := Vec[0] * Len; - Vec[1] := Vec[1] * Len; - Vec[2] := Vec[2] * Len; - end; + CheckAndSetWrap(S, fWrapS); + CheckAndSetWrap(T, fWrapT); + CheckAndSetWrap(R, fWrapR); - // Farbe zuweisem - Dest.Red := Trunc((Vec[0] + 1) * 127.5); - Dest.Green := Trunc((Vec[1] + 1) * 127.5); - Dest.Blue := Trunc((Vec[2] + 1) * 127.5); + if (ID > 0) then begin + Bind(false); + glTexParameteri(Target, GL_TEXTURE_WRAP_S, fWrapS); + glTexParameteri(Target, GL_TEXTURE_WRAP_T, fWrapT); +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} + {$IFDEF OPENGL_ES} if GL_VERSION_3_0 then{$ENDIF} + glTexParameteri(Target, GL_TEXTURE_WRAP_R, fWrapR); +{$IFEND} end; end; +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetSwizzle(const r, g, b, a: GLenum); -procedure TglBitmap2D.ToNormalMap(Func: TglBitmapNormalMapFunc; Scale: Single; UseAlpha: Boolean); -var - Rec: TglBitmapToNormalMapRec; - - procedure SetEntry (var Matrix: array of TMatrixItem; Index, X, Y: Integer; W: Single); + procedure CheckAndSetValue(const aValue: GLenum; const aIndex: Integer); begin - if (Index >= Low(Matrix)) and (Index <= High(Matrix)) then begin - Matrix[Index].X := X; - Matrix[Index].Y := Y; - Matrix[Index].W := W; - end; + if (aValue = GL_ZERO) or (aValue = GL_ONE) or (aValue = GL_ALPHA) or + (aValue = GL_RED) or (aValue = GL_GREEN) or (aValue = GL_BLUE) then + fSwizzle[aIndex] := aValue + else + raise EglBitmap.Create('SetSwizzle - Unknow Swizle Value'); end; begin - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('TglBitmap2D.ToNormalMap - ' + UNSUPPORTED_INTERNAL_FORMAT); - - if Scale > 100 then - Rec.Scale := 100 - else - if Scale < -100 then - Rec.Scale := -100 - else - Rec.Scale := Scale; - - SetLength(Rec.Heights, Width * Height); - try - case Func of - nm4Samples: - begin - SetLength(Rec.MatrixU, 2); - SetEntry(Rec.MatrixU, 0, -1, 0, -0.5); - SetEntry(Rec.MatrixU, 1, 1, 0, 0.5); - - SetLength(Rec.MatrixV, 2); - SetEntry(Rec.MatrixV, 0, 0, 1, 0.5); - SetEntry(Rec.MatrixV, 1, 0, -1, -0.5); - end; - nmSobel: - begin - SetLength(Rec.MatrixU, 6); - SetEntry(Rec.MatrixU, 0, -1, 1, -1.0); - SetEntry(Rec.MatrixU, 1, -1, 0, -2.0); - SetEntry(Rec.MatrixU, 2, -1, -1, -1.0); - SetEntry(Rec.MatrixU, 3, 1, 1, 1.0); - SetEntry(Rec.MatrixU, 4, 1, 0, 2.0); - SetEntry(Rec.MatrixU, 5, 1, -1, 1.0); - - SetLength(Rec.MatrixV, 6); - SetEntry(Rec.MatrixV, 0, -1, 1, 1.0); - SetEntry(Rec.MatrixV, 1, 0, 1, 2.0); - SetEntry(Rec.MatrixV, 2, 1, 1, 1.0); - SetEntry(Rec.MatrixV, 3, -1, -1, -1.0); - SetEntry(Rec.MatrixV, 4, 0, -1, -2.0); - SetEntry(Rec.MatrixV, 5, 1, -1, -1.0); - end; - nm3x3: - begin - SetLength(Rec.MatrixU, 6); - SetEntry(Rec.MatrixU, 0, -1, 1, -1/6); - SetEntry(Rec.MatrixU, 1, -1, 0, -1/6); - SetEntry(Rec.MatrixU, 2, -1, -1, -1/6); - SetEntry(Rec.MatrixU, 3, 1, 1, 1/6); - SetEntry(Rec.MatrixU, 4, 1, 0, 1/6); - SetEntry(Rec.MatrixU, 5, 1, -1, 1/6); - - SetLength(Rec.MatrixV, 6); - SetEntry(Rec.MatrixV, 0, -1, 1, 1/6); - SetEntry(Rec.MatrixV, 1, 0, 1, 1/6); - SetEntry(Rec.MatrixV, 2, 1, 1, 1/6); - SetEntry(Rec.MatrixV, 3, -1, -1, -1/6); - SetEntry(Rec.MatrixV, 4, 0, -1, -1/6); - SetEntry(Rec.MatrixV, 5, 1, -1, -1/6); - end; - nm5x5: - begin - SetLength(Rec.MatrixU, 20); - SetEntry(Rec.MatrixU, 0, -2, 2, -1 / 16); - SetEntry(Rec.MatrixU, 1, -1, 2, -1 / 10); - SetEntry(Rec.MatrixU, 2, 1, 2, 1 / 10); - SetEntry(Rec.MatrixU, 3, 2, 2, 1 / 16); - SetEntry(Rec.MatrixU, 4, -2, 1, -1 / 10); - SetEntry(Rec.MatrixU, 5, -1, 1, -1 / 8); - SetEntry(Rec.MatrixU, 6, 1, 1, 1 / 8); - SetEntry(Rec.MatrixU, 7, 2, 1, 1 / 10); - SetEntry(Rec.MatrixU, 8, -2, 0, -1 / 2.8); - SetEntry(Rec.MatrixU, 9, -1, 0, -0.5); - SetEntry(Rec.MatrixU, 10, 1, 0, 0.5); - SetEntry(Rec.MatrixU, 11, 2, 0, 1 / 2.8); - SetEntry(Rec.MatrixU, 12, -2, -1, -1 / 10); - SetEntry(Rec.MatrixU, 13, -1, -1, -1 / 8); - SetEntry(Rec.MatrixU, 14, 1, -1, 1 / 8); - SetEntry(Rec.MatrixU, 15, 2, -1, 1 / 10); - SetEntry(Rec.MatrixU, 16, -2, -2, -1 / 16); - SetEntry(Rec.MatrixU, 17, -1, -2, -1 / 10); - SetEntry(Rec.MatrixU, 18, 1, -2, 1 / 10); - SetEntry(Rec.MatrixU, 19, 2, -2, 1 / 16); - - SetLength(Rec.MatrixV, 20); - SetEntry(Rec.MatrixV, 0, -2, 2, 1 / 16); - SetEntry(Rec.MatrixV, 1, -1, 2, 1 / 10); - SetEntry(Rec.MatrixV, 2, 0, 2, 0.25); - SetEntry(Rec.MatrixV, 3, 1, 2, 1 / 10); - SetEntry(Rec.MatrixV, 4, 2, 2, 1 / 16); - SetEntry(Rec.MatrixV, 5, -2, 1, 1 / 10); - SetEntry(Rec.MatrixV, 6, -1, 1, 1 / 8); - SetEntry(Rec.MatrixV, 7, 0, 1, 0.5); - SetEntry(Rec.MatrixV, 8, 1, 1, 1 / 8); - SetEntry(Rec.MatrixV, 9, 2, 1, 1 / 16); - SetEntry(Rec.MatrixV, 10, -2, -1, -1 / 16); - SetEntry(Rec.MatrixV, 11, -1, -1, -1 / 8); - SetEntry(Rec.MatrixV, 12, 0, -1, -0.5); - SetEntry(Rec.MatrixV, 13, 1, -1, -1 / 8); - SetEntry(Rec.MatrixV, 14, 2, -1, -1 / 10); - SetEntry(Rec.MatrixV, 15, -2, -2, -1 / 16); - SetEntry(Rec.MatrixV, 16, -1, -2, -1 / 10); - SetEntry(Rec.MatrixV, 17, 0, -2, -0.25); - SetEntry(Rec.MatrixV, 18, 1, -2, -1 / 10); - SetEntry(Rec.MatrixV, 19, 2, -2, -1 / 16); - end; - end; - - // Daten Sammeln - if UseAlpha and FormatHasAlpha(InternalFormat) then - AddFunc(glBitmapToNormalMapPrepareAlphaFunc, False, @Rec) - else - AddFunc(glBitmapToNormalMapPrepareFunc, False, @Rec); +{$IFNDEF OPENGL_ES} + if not (GL_ARB_texture_swizzle or GL_EXT_texture_swizzle or GL_VERSION_3_3) then + raise EglBitmapNotSupported.Create('texture swizzle is not supported'); +{$ELSE} + if not GL_VERSION_3_0 then + raise EglBitmapNotSupported.Create('texture swizzle is not supported'); +{$ENDIF} + CheckAndSetValue(r, 0); + CheckAndSetValue(g, 1); + CheckAndSetValue(b, 2); + CheckAndSetValue(a, 3); - // Neues Bild berechnen - AddFunc(glBitmapToNormalMapFunc, False, @Rec); - finally - SetLength(Rec.Heights, 0); + if (ID > 0) then begin + Bind(false); +{$IFNDEF OPENGL_ES} + glTexParameteriv(Target, GL_TEXTURE_SWIZZLE_RGBA, PGLint(@fSwizzle[0])); +{$ELSE} + glTexParameteriv(Target, GL_TEXTURE_SWIZZLE_R, PGLint(@fSwizzle[0])); + glTexParameteriv(Target, GL_TEXTURE_SWIZZLE_G, PGLint(@fSwizzle[1])); + glTexParameteriv(Target, GL_TEXTURE_SWIZZLE_B, PGLint(@fSwizzle[2])); + glTexParameteriv(Target, GL_TEXTURE_SWIZZLE_A, PGLint(@fSwizzle[3])); +{$ENDIF} end; end; +{$IFEND} - -procedure TglBitmap2D.GrabScreen(Top, Left, Right, Bottom: Integer; Format: TglBitmapInternalFormat); -var - Temp: pByte; - Size: Integer; - glFormat, glInternalFormat, glType: Cardinal; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Bind(const aEnableTextureUnit: Boolean); begin - if not FormatIsUncompressed(Format) then - raise EglBitmapUnsupportedInternalFormat.Create('TglBitmap2D.GrabScreen - ' + UNSUPPORTED_INTERNAL_FORMAT); - - // Only to select Formats - SelectFormat(Format, glFormat, glInternalFormat, glType, False); - - Size := FormatGetImageSize(glBitmapPosition(Right - Left, Bottom - Top), Format); - GetMem(Temp, Size); - try - glPixelStorei(GL_PACK_ALIGNMENT, 1); - glReadPixels(Left, Top, Right - Left, Bottom - Top, glFormat, glType, Temp); - - // Set Data - SetDataPointer(Temp, Format, Right - Left, Bottom - Top); - - // Flip - FlipVert; - except - FreeMem(Temp); - raise; - end; + if aEnableTextureUnit then + glEnable(Target); + if (ID > 0) then + glBindTexture(Target, ID); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Unbind(const aDisableTextureUnit: Boolean); +begin + if aDisableTextureUnit then + glDisable(Target); + glBindTexture(Target, 0); +end; -procedure TglBitmap2D.GetDataFromTexture; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean); var - Temp: pByte; - TempWidth, TempHeight, RedSize, GreenSize, BlueSize, AlphaSize, LumSize: Integer; - TempType, TempIntFormat: Cardinal; - IntFormat: TglBitmapInternalFormat; + w, h: Integer; +begin + w := aDataObj.Width; + h := aDataObj.Height; + fDimension.Fields := []; + if (w > 0) then + fDimension.Fields := fDimension.Fields + [ffX]; + if (h > 0) then + fDimension.Fields := fDimension.Fields + [ffY]; + fDimension.X := w; + fDimension.Y := h; +end; + +{$IFNDEF OPENGL_ES} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.DownloadData(const aDataObj: TglBitmapData): Boolean; +var + Temp: PByte; + TempWidth, TempHeight: Integer; + TempIntFormat: GLint; + IntFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; begin + result := false; Bind; // Request Data - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_WIDTH, @TempWidth); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_HEIGHT, @TempHeight); + glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_WIDTH, @TempWidth); + glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_HEIGHT, @TempHeight); glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_INTERNAL_FORMAT, @TempIntFormat); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_RED_SIZE, @RedSize); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_GREEN_SIZE, @GreenSize); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_BLUE_SIZE, @BlueSize); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_ALPHA_SIZE, @AlphaSize); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_LUMINANCE_SIZE, @LumSize); - - // Get glBitmapInternalFormat from TempIntFormat - TempType := GL_UNSIGNED_BYTE; - case TempIntFormat of - GL_ALPHA: - IntFormat := ifAlpha; - GL_LUMINANCE: - IntFormat := ifLuminance; - GL_LUMINANCE_ALPHA: - IntFormat := ifLuminanceAlpha; - GL_RGB4: - begin - IntFormat := ifR5G6B5; - TempIntFormat := GL_RGB; - TempType := GL_UNSIGNED_SHORT_5_6_5; - end; - GL_RGB, GL_RGB8: - IntFormat := ifRGB8; - GL_RGBA, GL_RGBA4, GL_RGBA8: - begin - if (RedSize = 4) and (BlueSize = 4) and (GreenSize = 4) and (AlphaSize = 4) then begin - IntFormat := ifRGBA4; - TempIntFormat := GL_BGRA; - TempType := GL_UNSIGNED_SHORT_4_4_4_4_REV; - end else - if (RedSize = 5) and (BlueSize = 5) and (GreenSize = 5) and (AlphaSize = 1) then begin - IntFormat := ifRGB5A1; - TempIntFormat := GL_BGRA; - TempType := GL_UNSIGNED_SHORT_1_5_5_5_REV; - end else begin - IntFormat := ifRGBA8; - end; - end; - GL_BGR: - IntFormat := ifBGR8; - GL_BGRA: - IntFormat := ifBGRA8; - GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - IntFormat := ifDXT1; - GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - IntFormat := ifDXT1; - GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - IntFormat := ifDXT3; - GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - IntFormat := ifDXT5; - else - IntFormat := ifEmpty; - end; + FormatDesc := (TglBitmapFormatDescriptor.GetByFormat(TempIntFormat) as TFormatDescriptor); + IntFormat := FormatDesc.Format; // Getting data from OpenGL - GetMem(Temp, FormatGetImageSize(glBitmapPosition(TempWidth, TempHeight), IntFormat)); + FormatDesc := TFormatDescriptor.Get(IntFormat); + GetMem(Temp, FormatDesc.GetSize(TempWidth, TempHeight)); try - if FormatIsCompressed(IntFormat) and (GL_VERSION_1_3 or GL_ARB_texture_compression) then + if FormatDesc.IsCompressed then begin + if not Assigned(glGetCompressedTexImage) then + raise EglBitmap.Create('compressed formats not supported by video adapter'); glGetCompressedTexImage(Target, 0, Temp) - else - glGetTexImage(Target, 0, TempIntFormat, TempType, Temp); - - SetDataPointer(Temp, IntFormat, TempWidth, TempHeight); + end else + glGetTexImage(Target, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); + aDataObj.SetData(Temp, IntFormat, TempWidth, TempHeight); + result := true; except - FreeMem(Temp); + if Assigned(Temp) then + FreeMem(Temp); raise; end; end; +{$ENDIF} - -function TglBitmap2D.GetScanline(Index: Integer): Pointer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create; begin - if (Index >= Low(fLines)) and (Index <= High(fLines)) then - Result := fLines[Index] - else - Result := nil; + if (ClassType = TglBitmap) then + raise EglBitmap.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); + inherited Create; end; - -{ TglBitmap1D } - -procedure TglBitmap1D.SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width, Height: Integer); -var - pTemp: pByte; - Size: Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aData: TglBitmapData); begin - if Height > 1 then begin - // extract first line of the data - Size := FormatGetImageSize(glBitmapPosition(Width), Format); - GetMem(pTemp, Size); - - Move(Data^, pTemp^, Size); - - FreeMem(Data); - end else - pTemp := Data; - - // set data pointer - inherited SetDataPointer(pTemp, Format, Width); - - if FormatIsUncompressed(Format) then begin - fUnmapFunc := FormatGetUnMapFunc(Format); - fGetPixelFunc := GetPixel1DUnmap; - end; + Create; + UploadData(aData); end; - -procedure TglBitmap1D.GetPixel1DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); +{$IFNDEF OPENGL_ES} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap1D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.UploadDataIntern(const aDataObj: TglBitmapData; const aBuildWithGlu: Boolean); var - pTemp: pByte; + fd: TglBitmapFormatDescriptor; begin - pTemp := Data; - Inc(pTemp, Pos.X * fPixelSize); - - fUnmapFunc(pTemp, Pixel); + // Upload data + fd := aDataObj.FormatDescriptor; + if (fd.glFormat = 0) or (fd.glInternalFormat = 0) or (fd.glDataFormat = 0) then + raise EglBitmap.Create('format is not supported by video adapter, please convert before uploading data'); + + if fd.IsCompressed then begin + if not Assigned(glCompressedTexImage1D) then + raise EglBitmap.Create('compressed formats not supported by video adapter'); + glCompressedTexImage1D(Target, 0, fd.glInternalFormat, aDataObj.Width, 0, fd.GetSize(aDataObj.Width, 1), aDataObj.Data) + end else if aBuildWithGlu then + gluBuild1DMipmaps(Target, fd.glInternalFormat, aDataObj.Width, fd.glFormat, fd.glDataFormat, aDataObj.Data) + else + glTexImage1D(Target, 0, fd.glInternalFormat, aDataObj.Width, 0, fd.glFormat, fd.glDataFormat, aDataObj.Data); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.AfterConstruction; +begin + inherited; + Target := GL_TEXTURE_1D; +end; -function TglBitmap1D.FlipHorz: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean); var - Col: Integer; - pTempDest, pDest, pSource: pByte; + BuildWithGlu, TexRec: Boolean; + TexSize: Integer; begin - Result := Inherited FlipHorz; + if not Assigned(aDataObj) then + exit; - if Assigned(Data) and FormatIsUncompressed(InternalFormat) then begin - pSource := Data; - - GetMem(pDest, fRowSize); - try - pTempDest := pDest; + // Check Texture Size + if (aCheckSize) then begin + glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); - Inc(pTempDest, fRowSize); - for Col := 0 to Width -1 do begin - Move(pSource^, pTempDest^, fPixelSize); + if (aDataObj.Width > TexSize) then + raise EglBitmapSizeToLarge.Create('TglBitmap1D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); - Inc(pSource, fPixelSize); - Dec(pTempDest, fPixelSize); - end; + TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and + (Target = GL_TEXTURE_RECTANGLE); + if not (IsPowerOfTwo(aDataObj.Width) or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then + raise EglBitmapNonPowerOfTwo.Create('TglBitmap1D.GenTexture - Rendercontex dosn''t support non power of two texture.'); + end; - SetDataPointer(pDest, InternalFormat); + if (fID = 0) then + CreateID; + SetupParameters(BuildWithGlu); + UploadDataIntern(aDataObj, BuildWithGlu); + glAreTexturesResident(1, @fID, @fIsResident); - Result := True; - finally - FreeMem(pDest); - end; - end; + inherited UploadData(aDataObj, aCheckSize); end; +{$ENDIF} - -procedure TglBitmap1D.UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap2D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.UploadDataIntern(const aDataObj: TglBitmapData; const aTarget: GLenum; const aBuildWithGlu: Boolean); +var + fd: TglBitmapFormatDescriptor; begin - // Upload data - if Self.InternalFormat in [ifDXT1, ifDXT3, ifDXT5] then - glCompressedTexImage1D(Target, 0, InternalFormat, Width, 0, Trunc(Width * FormatGetSize(Self.InternalFormat)), Data) - else + fd := aDataObj.FormatDescriptor; + if (fd.glFormat = 0) or (fd.glInternalFormat = 0) or (fd.glDataFormat = 0) then + raise EglBitmap.Create('format is not supported by video adapter, please convert before uploading data'); - // Upload data - if BuildWithGlu then - gluBuild1DMipmaps(Target, InternalFormat, Width, Format, Typ, Data) - else - glTexImage1D(Target, 0, InternalFormat, Width, 0, Format, Typ, Data); + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - // Freigeben - if (FreeDataAfterGenTexture) then - FreeData; + if fd.IsCompressed then begin + if not Assigned(glCompressedTexImage2D) then + raise EglBitmap.Create('compressed formats not supported by video adapter'); + glCompressedTexImage2D(aTarget, 0, fd.glInternalFormat, aDataObj.Width, aDataObj.Height, 0, fd.GetSize(fDimension), aDataObj.Data) +{$IFNDEF OPENGL_ES} + end else if aBuildWithGlu then begin + gluBuild2DMipmaps(aTarget, fd.ChannelCount, aDataObj.Width, aDataObj.Height, fd.glFormat, fd.glDataFormat, aDataObj.Data) +{$ENDIF} + end else begin + glTexImage2D(aTarget, 0, fd.glInternalFormat, aDataObj.Width, aDataObj.Height, 0, fd.glFormat, fd.glDataFormat, aDataObj.Data); + end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.AfterConstruction; +begin + inherited; + Target := GL_TEXTURE_2D; +end; -procedure TglBitmap1D.GenTexture(TestTextureSize: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean); var + {$IFNDEF OPENGL_ES} BuildWithGlu, TexRec: Boolean; - glFormat, glInternalFormat, glType: Cardinal; + {$ENDIF} + PotTex: Boolean; TexSize: Integer; begin - if Assigned(Data) then begin - // Check Texture Size - if (TestTextureSize) then begin - glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); - - if (Width > TexSize) then - raise EglBitmapSizeToLargeException.Create('TglBitmap1D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); + if not Assigned(aDataObj) then + exit; - TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and - (Target = GL_TEXTURE_RECTANGLE_ARB); - - if not (IsPowerOfTwo (Width) or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then - raise EglBitmapNonPowerOfTwoException.Create('TglBitmap1D.GenTexture - Rendercontex dosn''t support non power of two texture.'); - end; - - CreateId; - - SetupParameters(BuildWithGlu); - SelectFormat(InternalFormat, glFormat, glInternalFormat, glType); - - UploadData(Target, glFormat, glInternalFormat, glType, BuildWithGlu); + // Check Texture Size + if (aCheckSize) then begin + glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); + + if ((aDataObj.Width > TexSize) or (aDataObj.Height > TexSize)) then + raise EglBitmapSizeToLarge.Create('TglBitmap2D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); + + PotTex := IsPowerOfTwo(aDataObj.Width) and IsPowerOfTwo(aDataObj.Height); +{$IF NOT DEFINED(OPENGL_ES)} + TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and (Target = GL_TEXTURE_RECTANGLE); + if not (PotTex or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then + raise EglBitmapNonPowerOfTwo.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.'); +{$ELSEIF DEFINED(OPENGL_ES_EXT)} + if not PotTex and not GL_OES_texture_npot then + raise EglBitmapNonPowerOfTwo.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.'); +{$ELSE} + if not PotTex then + raise EglBitmapNonPowerOfTwo.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.'); +{$IFEND} + end; + + if (fID = 0) then + CreateID; + SetupParameters({$IFNDEF OPENGL_ES}BuildWithGlu{$ENDIF}); + UploadDataIntern(aDataObj, Target{$IFNDEF OPENGL_ES}, BuildWithGlu{$ENDIF}); +{$IFNDEF OPENGL_ES} + glAreTexturesResident(1, @fID, @fIsResident); +{$ENDIF} - // Infos sammeln - glAreTexturesResident(1, @ID, @fIsResident); - end; + inherited UploadData(aDataObj, aCheckSize); end; - -procedure TglBitmap1D.AfterConstruction; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TglBitmap2D.GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat; const aDataObj: TglBitmapData); +var + Temp: pByte; + Size, w, h: Integer; + FormatDesc: TFormatDescriptor; begin - inherited; + FormatDesc := TFormatDescriptor.Get(aFormat); + if FormatDesc.IsCompressed then + raise EglBitmapUnsupportedFormat.Create(aFormat); - Target := GL_TEXTURE_1D; + w := aRight - aLeft; + h := aBottom - aTop; + Size := FormatDesc.GetSize(w, h); + GetMem(Temp, Size); + try + glPixelStorei(GL_PACK_ALIGNMENT, 1); + glReadPixels(aLeft, aTop, w, h, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); + aDataObj.SetData(Temp, aFormat, w, h); + aDataObj.FlipVert; + except + if Assigned(Temp) then + FreeMem(Temp); + raise; + end; end; - -{ TglBitmapCubeMap } - +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapCubeMap//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure TglBitmapCubeMap.AfterConstruction; begin inherited; +{$IFNDEF OPENGL_ES} if not (GL_VERSION_1_3 or GL_ARB_texture_cube_map or GL_EXT_texture_cube_map) then - raise EglBitmapException.Create('TglBitmapCubeMap.AfterConstruction - CubeMaps are unsupported.'); - - SetWrap; // set all to GL_CLAMP_TO_EDGE - Target := GL_TEXTURE_CUBE_MAP; + raise EglBitmap.Create('TglBitmapCubeMap.AfterConstruction - CubeMaps are unsupported.'); +{$ELSE} + if not (GL_VERSION_2_0) then + raise EglBitmap.Create('TglBitmapCubeMap.AfterConstruction - CubeMaps are unsupported.'); +{$ENDIF} + + SetWrap; + Target := GL_TEXTURE_CUBE_MAP; +{$IFNDEF OPENGL_ES} fGenMode := GL_REFLECTION_MAP; +{$ENDIF} end; - -procedure TglBitmapCubeMap.Bind(EnableTexCoordsGen, EnableTextureUnit: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean); begin - inherited Bind (EnableTextureUnit); - - if EnableTexCoordsGen then begin - glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, fGenMode); - glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, fGenMode); - glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, fGenMode); - glEnable(GL_TEXTURE_GEN_S); - glEnable(GL_TEXTURE_GEN_T); - glEnable(GL_TEXTURE_GEN_R); - end; + Assert(false, 'TglBitmapCubeMap.UploadData - Don''t call UploadData directly, use UploadCubeMap instead'); end; - -procedure TglBitmapCubeMap.GenerateCubeMap(CubeTarget: Cardinal; TestTextureSize: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.UploadCubeMap(const aDataObj: TglBitmapData; const aCubeTarget: Cardinal; const aCheckSize: Boolean); var - glFormat, glInternalFormat, glType: Cardinal; + {$IFNDEF OPENGL_ES} BuildWithGlu: Boolean; + {$ENDIF} TexSize: Integer; begin - // Check Texture Size - if (TestTextureSize) then begin + if (aCheckSize) then begin glGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, @TexSize); - if ((Height > TexSize) or (Width > TexSize)) then - raise EglBitmapSizeToLargeException.Create('TglBitmapCubeMap.GenTexture - The size for the Cubemap is to large. It''s may be not conform with the Hardware.'); + if (aDataObj.Width > TexSize) or (aDataObj.Height > TexSize) then + raise EglBitmapSizeToLarge.Create('TglBitmapCubeMap.GenerateCubeMap - The size for the Cubemap is to large. It''s may be not conform with the Hardware.'); - if not ((IsPowerOfTwo (Height) and IsPowerOfTwo (Width)) or GL_VERSION_2_0 or GL_ARB_texture_non_power_of_two) then - raise EglBitmapNonPowerOfTwoException.Create('TglBitmapCubeMap.GenTexture - Cubemaps dosn''t support non power of two texture.'); +{$IF NOT DEFINED(OPENGL_ES)} + if not ((IsPowerOfTwo(aDataObj.Width) and IsPowerOfTwo(aDataObj.Height)) or GL_VERSION_2_0 or GL_ARB_texture_non_power_of_two) then + raise EglBitmapNonPowerOfTwo.Create('TglBitmapCubeMap.GenerateCubeMap - Cubemaps dosn''t support non power of two texture.'); +{$ELSEIF DEFINED(OPENGL_ES_EXT)} + if not (IsPowerOfTwo(aDataObj.Width) and IsPowerOfTwo(aDataObj.Height)) and not GL_OES_texture_npot then + raise EglBitmapNonPowerOfTwo.Create('TglBitmapCubeMap.GenerateCubeMap - Cubemaps dosn''t support non power of two texture.'); +{$ELSE} + if not (IsPowerOfTwo(aDataObj.Width) and IsPowerOfTwo(aDataObj.Height)) then + raise EglBitmapNonPowerOfTwo.Create('TglBitmapCubeMap.GenerateCubeMap - Cubemaps dosn''t support non power of two texture.'); +{$IFEND} end; - // create Texture - if ID = 0 then begin + if (fID = 0) then CreateID; - SetupParameters(BuildWithGlu); - end; + SetupParameters({$IFNDEF OPENGL_ES}BuildWithGlu{$ENDIF}); + UploadDataIntern(aDataObj, aCubeTarget{$IFNDEF OPENGL_ES}, BuildWithGlu{$ENDIF}); - SelectFormat(InternalFormat, glFormat, glInternalFormat, glType); - - UploadData (CubeTarget, glFormat, glInternalFormat, glType, BuildWithGlu); + inherited UploadData(aDataObj, aCheckSize); end; - -procedure TglBitmapCubeMap.GenTexture(TestTextureSize: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.Bind({$IFNDEF OPENGL_ES}const aEnableTexCoordsGen: Boolean;{$ENDIF} const aEnableTextureUnit: Boolean); begin - Assert(False, 'TglBitmapCubeMap.GenTexture - Don''t call GenTextures directly.'); + inherited Bind (aEnableTextureUnit); +{$IFNDEF OPENGL_ES} + if aEnableTexCoordsGen then begin + glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, fGenMode); + glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, fGenMode); + glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, fGenMode); + glEnable(GL_TEXTURE_GEN_S); + glEnable(GL_TEXTURE_GEN_T); + glEnable(GL_TEXTURE_GEN_R); + end; +{$ENDIF} end; - -procedure TglBitmapCubeMap.Unbind(DisableTexCoordsGen, - DisableTextureUnit: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.Unbind({$IFNDEF OPENGL_ES}const aDisableTexCoordsGen: Boolean;{$ENDIF} const aDisableTextureUnit: Boolean); begin - inherited Unbind (DisableTextureUnit); - - if DisableTexCoordsGen then begin + inherited Unbind(aDisableTextureUnit); +{$IFNDEF OPENGL_ES} + if aDisableTexCoordsGen then begin glDisable(GL_TEXTURE_GEN_S); glDisable(GL_TEXTURE_GEN_T); glDisable(GL_TEXTURE_GEN_R); end; +{$ENDIF} end; +{$IFEND} - -{ TglBitmapNormalMap } - +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapNormalMap////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// type TVec = Array[0..2] of Single; - TglBitmapNormalMapGetVectorFunc = procedure (var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer); + TglBitmapNormalMapGetVectorFunc = procedure (out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); PglBitmapNormalMapRec = ^TglBitmapNormalMapRec; TglBitmapNormalMapRec = record @@ -6677,62 +8727,63 @@ type Func: TglBitmapNormalMapGetVectorFunc; end; - -procedure glBitmapNormalMapPosX(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); begin - Vec[0] := HalfSize; - Vec[1] := - (Position.Y + 0.5 - HalfSize); - Vec[2] := - (Position.X + 0.5 - HalfSize); + aVec[0] := aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := - (aPosition.X + 0.5 - aHalfSize); end; - -procedure glBitmapNormalMapNegX(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); begin - Vec[0] := - HalfSize; - Vec[1] := - (Position.Y + 0.5 - HalfSize); - Vec[2] := Position.X + 0.5 - HalfSize; + aVec[0] := - aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := aPosition.X + 0.5 - aHalfSize; end; - -procedure glBitmapNormalMapPosY(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); begin - Vec[0] := Position.X + 0.5 - HalfSize; - Vec[1] := HalfSize; - Vec[2] := Position.Y + 0.5 - HalfSize; + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := aHalfSize; + aVec[2] := aPosition.Y + 0.5 - aHalfSize; end; - -procedure glBitmapNormalMapNegY(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); begin - Vec[0] := Position.X + 0.5 - HalfSize; - Vec[1] := - HalfSize; - Vec[2] := - (Position.Y + 0.5 - HalfSize); + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := - aHalfSize; + aVec[2] := - (aPosition.Y + 0.5 - aHalfSize); end; - -procedure glBitmapNormalMapPosZ(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); begin - Vec[0] := Position.X + 0.5 - HalfSize; - Vec[1] := - (Position.Y + 0.5 - HalfSize); - Vec[2] := HalfSize; + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := aHalfSize; end; - -procedure glBitmapNormalMapNegZ(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); begin - Vec[0] := - (Position.X + 0.5 - HalfSize); - Vec[1] := - (Position.Y + 0.5 - HalfSize); - Vec[2] := - HalfSize; + aVec[0] := - (aPosition.X + 0.5 - aHalfSize); + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := - aHalfSize; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure glBitmapNormalMapFunc(var FuncRec: TglBitmapFunctionRec); var - Vec : TVec; + i: Integer; + Vec: TVec; Len: Single; begin with FuncRec do begin - with PglBitmapNormalMapRec (CustomData)^ do begin + with PglBitmapNormalMapRec(Args)^ do begin Func(Vec, Position, HalfSize); // Normalize @@ -6750,76 +8801,85 @@ begin end; // Set Color - Dest.Red := Round(Vec[0] * 255); - Dest.Green := Round(Vec[1] * 255); - Dest.Blue := Round(Vec[2] * 255); + for i := 0 to 2 do + Dest.Data.arr[i] := Round(Vec[i] * 255); end; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure TglBitmapNormalMap.AfterConstruction; begin inherited; - +{$IFNDEF OPENGL_ES} fGenMode := GL_NORMAL_MAP; +{$ENDIF} end; - -procedure TglBitmapNormalMap.GenerateNormalMap(Size: Integer; - TestTextureSize: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapNormalMap.GenerateNormalMap(const aSize: Integer; const aCheckSize: Boolean); var Rec: TglBitmapNormalMapRec; - SizeRec: TglBitmapPixelPosition; + SizeRec: TglBitmapSize; + DataObj: TglBitmapData; begin - Rec.HalfSize := Size div 2; - - FreeDataAfterGenTexture := False; + Rec.HalfSize := aSize div 2; SizeRec.Fields := [ffX, ffY]; - SizeRec.X := Size; - SizeRec.Y := Size; - - // Positive X - Rec.Func := glBitmapNormalMapPosX; - LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_X, TestTextureSize); - - // Negative X - Rec.Func := glBitmapNormalMapNegX; - LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, TestTextureSize); - - // Positive Y - Rec.Func := glBitmapNormalMapPosY; - LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, TestTextureSize); + SizeRec.X := aSize; + SizeRec.Y := aSize; - // Negative Y - Rec.Func := glBitmapNormalMapNegY; - LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, TestTextureSize); - - // Positive Z - Rec.Func := glBitmapNormalMapPosZ; - LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, TestTextureSize); - - // Negative Z - Rec.Func := glBitmapNormalMapNegZ; - LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, TestTextureSize); + DataObj := TglBitmapData.Create; + try + // Positive X + Rec.Func := glBitmapNormalMapPosX; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_POSITIVE_X, aCheckSize); + + // Negative X + Rec.Func := glBitmapNormalMapNegX; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, aCheckSize); + + // Positive Y + Rec.Func := glBitmapNormalMapPosY; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, aCheckSize); + + // Negative Y + Rec.Func := glBitmapNormalMapNegY; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, aCheckSize); + + // Positive Z + Rec.Func := glBitmapNormalMapPosZ; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, aCheckSize); + + // Negative Z + Rec.Func := glBitmapNormalMapNegZ; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, aCheckSize); + finally + FreeAndNil(DataObj); + end; end; - - +{$IFEND} initialization - glBitmapSetDefaultFormat(tfDefault); - glBitmapSetDefaultFilter(GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR); - glBitmapSetDefaultWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); + glBitmapSetDefaultFormat (tfEmpty); + glBitmapSetDefaultMipmap (mmMipmap); + glBitmapSetDefaultFilter (GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR); + glBitmapSetDefaultWrap (GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_3_0)} + glBitmapSetDefaultSwizzle(GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA); +{$IFEND} + + glBitmapSetDefaultFreeDataAfterGenTexture(true); + glBitmapSetDefaultDeleteTextureOnFree (true); - glBitmapSetDefaultFreeDataAfterGenTexture(True); - glBitmapSetDefaultDeleteTextureOnFree(True); + TFormatDescriptor.Init; finalization + TFormatDescriptor.Finalize; end.