From: Bergmann89 Date: Sat, 7 Mar 2015 12:32:09 +0000 (+0100) Subject: Merge remote-tracking branch 'glBitmap@DGL/master' X-Git-Url: https://git.delphigl.com/?a=commitdiff_plain;h=d7f77c99adf0a2130f193c5551882d91b9a94e82;p=LazOpenGLCore.git Merge remote-tracking branch 'glBitmap@DGL/master' Conflicts: uglcBitmap.pas --- d7f77c99adf0a2130f193c5551882d91b9a94e82 diff --cc uglcBitmap.pas index 7d53733,0000000..0a17caa mode 100644,000000..100644 --- a/uglcBitmap.pas +++ b/uglcBitmap.pas @@@ -1,8897 -1,0 +1,8901 @@@ +{ 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, ...) } + +unit uglcBitmap; + +{$I glBitmapConf.inc} + +// Delphi Versions +{$IFDEF fpc} + {$MODE Delphi} + + {$IFDEF CPUI386} + {$DEFINE CPU386} + {$ASMMODE INTEL} + {$ENDIF} + + {$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} + {$ENDIF} + + {$IFDEF GLB_LAZ_PNG} + {$MESSAGE warn 'The Lazarus TPortableNetworkGraphics will be ignored because you are using SDL_image.'} + {$undef GLB_LAZ_PNG} + {$ENDIF} + + {$IFDEF GLB_PNGIMAGE} + {$MESSAGE warn 'The unit pngimage will be ignored because you are using SDL_image.'} + {$undef GLB_PNGIMAGE} + {$ENDIF} + + {$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} + {$ENDIF} + + {$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} + {$ENDIF} + + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_JPEG_READ} +{$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} + {$ENDIF} + + {$IFDEF GLB_PNGIMAGE} + {$MESSAGE warn 'The pngimage will be ignored if you are using Lazarus TPortableNetworkGraphic.'} + {$undef GLB_PNGIMAGE} + {$ENDIF} + + {$IFDEF GLB_LIB_PNG} + {$MESSAGE warn 'The library libPNG will be ignored if you are using Lazarus TPortableNetworkGraphic.'} + {$undef GLB_LIB_PNG} + {$ENDIF} + + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} + +// 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} + {$ENDIF} + + {$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} + {$ENDIF} + + {$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_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} + +// 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} + {$ENDIF} + + {$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 +{$EXTENDEDSYNTAX ON} +{$LONGSTRINGS ON} +{$ALIGN ON} +{$IFNDEF FPC} + {$OPTIMIZATION ON} +{$ENDIF} + +interface + +uses + {$IFDEF OPENGL_ES} dglOpenGLES, + {$ELSE} dglOpenGL, {$ENDIF} + + {$IF DEFINED(GLB_WIN) AND + DEFINED(GLB_DELPHI)} windows, {$IFEND} + + {$IFDEF GLB_SDL} SDL, {$ENDIF} + {$IFDEF GLB_LAZARUS} IntfGraphics, GraphType, Graphics, {$ENDIF} + {$IFDEF GLB_DELPHI} Dialogs, Graphics, Types, {$ENDIF} + + {$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, {$ENDIF} + + Classes, SysUtils; + +type +{$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 + ); + + { 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; + PglBitmapPixelData = ^TglBitmapPixelData; + + TglBitmapSizeFields = set of (ffX, ffY); + TglBitmapSize = packed record + Fields: TglBitmapSizeFields; + X: Word; + Y: Word; + end; + TglBitmapPixelPosition = TglBitmapSize; + + { 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 + + { @return @true if the format has a red color channel, @false otherwise } + function GetHasRed: Boolean; + + { @return @true if the format has a green color channel, @false otherwise } + function GetHasGreen: Boolean; + + { @return @true if the format has a blue color channel, @false otherwise } + function GetHasBlue: Boolean; + + { @return @true if the format has a alpha color channel, @false otherwise } + function GetHasAlpha: Boolean; + + { @return @true if the format has any color color channel, @false otherwise } + function GetHasColor: Boolean; + + { @return @true if the format is a grayscale format, @false otherwise } + function GetIsGrayscale: Boolean; + + { @return @true if the format is supported by OpenGL, @false otherwise } + function GetHasOpenGLSupport: Boolean; + + 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 + + fPrecision: TglBitmapRec4ub; //< number of bits for each color channel + fShift: TglBitmapRec4ub; //< bit offset for each color channel + + 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) + + { set values for this format descriptor } + procedure SetValues; virtual; + + { 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; + +//////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapData = class; + + { structure to store data for converting in } + TglBitmapFunctionRec = record + 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); + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + { 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 } + + 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 + + fScanlines: array of PByte; //< pointer to begin of each line + fHasScanlines: Boolean; //< @true if scanlines are initialized, @false otherwise + + private { getter / setter } + + { @returns the format descriptor suitable to the texture data format } + function GetFormatDescriptor: TglBitmapFormatDescriptor; + + { @returns the width of the texture data (in pixel) or -1 if no data is set } + function GetWidth: Integer; + + { @returns the height of the texture data (in pixel) or -1 if no data is set } + function GetHeight: Integer; + + { get scanline at index aIndex + @returns Pointer to start of line or @nil } + function GetScanlines(const aIndex: Integer): PByte; + + { 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 } + + { 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); + + { updates scanlines array } + procedure UpdateScanlines; + + 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; + + 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; + + 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 +{$ENDIF} + + fDimension: TglBitmapSize; //< size of this texture + fMipMap: TglBitmapMipMap; //< mipmap type + + // CustomData + fCustomData: Pointer; //< user defined data + fCustomName: String; //< user defined name + fCustomNameW: WideString; //< user defined name + protected + { @returns the actual width of the texture } + function GetWidth: Integer; virtual; + + { @returns the actual height of the texture } + function GetHeight: Integer; virtual; + + protected + { set a new value for fCustomData } + procedure SetCustomData(const aValue: Pointer); + + { set a new value for fCustomName } + procedure SetCustomName(const aValue: String); + + { set a new value for fCustomNameW } + procedure SetCustomNameW(const aValue: WideString); + + { set new value for fDeleteTextureOnFree } + procedure SetDeleteTextureOnFree(const aValue: Boolean); + + { set name of OpenGL texture object } + procedure SetID(const aValue: Cardinal); + + { set new value for fMipMap } + procedure SetMipMap(const aValue: TglBitmapMipMap); + + { set new value for target } + procedure SetTarget(const aValue: Cardinal); + + { set new value for fAnisotrophic } + procedure SetAnisotropic(const aValue: Integer); + + protected + { create OpenGL texture object (delete exisiting object if exists) } + procedure CreateID; + + { setup texture parameters } + procedure SetupParameters({$IFNDEF OPENGL_ES}out aBuildWithGlu: Boolean{$ENDIF}); + + protected + property Width: Integer read GetWidth; //< the actual width of the texture + property Height: Integer read GetHeight; //< the actual height of the texture + + public + property ID: Cardinal read fID write SetID; //< name of the OpenGL texture object + property Target: Cardinal read fTarget write SetTarget; //< texture target (e.g. GL_TEXTURE_2D) + property DeleteTextureOnFree: Boolean read fDeleteTextureOnFree write SetDeleteTextureOnFree; //< delete texture object when this object is destroyed + + property MipMap: TglBitmapMipMap read fMipMap write SetMipMap; //< mipmap type + property Anisotropic: Integer read fAnisotropic write SetAnisotropic; //< anisotropic level + + property CustomData: Pointer read fCustomData write SetCustomData; //< user defined data (use at will) + property CustomName: String read fCustomName write SetCustomName; //< user defined name (use at will) + property CustomNameW: WideString read fCustomNameW write SetCustomNameW; //< user defined name (as WideString; use at will) + + property Dimension: TglBitmapSize read fDimension; //< size of the texture +{$IFNDEF OPENGL_ES} + property IsResident: GLboolean read fIsResident; //< @true if OpenGL texture object has data, @false otherwise +{$ENDIF} + + { this method is called after the constructor and sets the default values of this object } + procedure AfterConstruction; override; + + { this method is called before the destructor and does some cleanup } + procedure BeforeDestruction; override; + + public +{$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); +{$ENDIF} + + public + { set new texture filer + @param aMin min filter + @param aMag mag filter } + procedure SetFilter(const aMin, aMag: GLenum); + + { set new texture wrapping + @param S texture wrapping for x axis + @param T texture wrapping for y axis + @param R texture wrapping for z axis } + procedure SetWrap( + const S: GLenum = GL_CLAMP_TO_EDGE; + const T: GLenum = GL_CLAMP_TO_EDGE; + const R: GLenum = GL_CLAMP_TO_EDGE); + +{$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); +{$IFEND} + + public + { bind texture + @param aEnableTextureUnit enable texture unit for this texture (e.g. glEnable(GL_TEXTURE_2D)) } - procedure Bind(const aEnableTextureUnit: Boolean = true); virtual; ++ procedure Bind({$IFNDEF OPENGL_ES}const aEnableTextureUnit: Boolean = true{$ENDIF}); virtual; + + { bind texture + @param aDisableTextureUnit disable texture unit for this texture (e.g. glEnable(GL_TEXTURE_2D)) } - procedure Unbind(const aDisableTextureUnit: Boolean = true); virtual; ++ procedure Unbind({$IFNDEF OPENGL_ES}const aDisableTextureUnit: Boolean = true{$ENDIF}); virtual; + + { upload texture data from given data object to video card + @param aData texture data object that contains the actual data + @param aCheckSize check size before upload and throw exception if something is wrong } + procedure UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean = true); virtual; + +{$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; +{$ENDIF} + public + { constructor - creates an empty texture } + constructor Create; overload; + + { constructor - creates an texture object and uploads the given data } + constructor Create(const aData: TglBitmapData); overload; + + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$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 + + { 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); + + public + property Width; //< actual with of the texture + + { 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; + + end; +{$IFEND} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + { wrapper class for 2-dimensional textures (OpenGL target = GL_TEXTURE_2D) + all operations on a bitmap object must be done from the render thread } + TglBitmap2D = class(TglBitmap) + protected + + { upload the texture data to video card + @param aDataObj texture data object that contains the actual data + @param aTarget target o upload data to (e.g. GL_TEXTURE_2D) + @param aBuildWithGlu use glu functions to build mipmaps } + procedure UploadDataIntern(const aDataObj: TglBitmapData; const aTarget: GLenum + {$IFNDEF OPENGL_ES}; const aBuildWithGlu: Boolean{$ENDIF}); + + public + property Width; //< actual width of the texture + property Height; //< actual height of the texture + + { this method is called after constructor and initializes the object } + procedure AfterConstruction; override; + + { upload texture data from given data object to video card + @param aData texture data object that contains the actual data + @param aCheckSize check size before upload and throw exception if something is wrong } + procedure UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean = true); override; + + public + + { copy a part of the frame buffer to the texture + @param aTop topmost pixel to copy + @param aLeft leftmost pixel to copy + @param aRight rightmost pixel to copy + @param aBottom bottommost pixel to copy + @param aFormat format to store data in + @param aDataObj texture data object to store the data in } + class procedure GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat; const aDataObj: TglBitmapData); + + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$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 + {$IFNDEF OPENGL_ES} + fGenMode: Integer; //< generation mode for the cube map (e.g. GL_REFLECTION_MAP) + {$ENDIF} + + public + { 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; + + { 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; ++ procedure Bind({$IFNDEF OPENGL_ES}const aEnableTexCoordsGen: Boolean = true; const aEnableTextureUnit: Boolean = true{$ENDIF}); 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; ++ procedure Unbind({$IFNDEF OPENGL_ES}const aDisableTexCoordsGen: Boolean = true; const aDisableTextureUnit: Boolean = true{$ENDIF}); 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; + + { 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; +{$IFEND} + + TglcBitmapFormat = TglBitmapFormat; + TglcBitmap2D = TglBitmap2D; + TglcBitmapData = TglBitmapData; +{$IF NOT DEFINED(OPENGL_ES)} + TglcBitmap1D = TglBitmap1D; + TglcBitmapCubeMap = TglBitmapCubeMap; + TglcBitmapNormalMap = TglBitmapNormalMap; +{$ELSEIF DEFINED(OPENGL_ES_2_0)} + TglcBitmapCubeMap = TglBitmapCubeMap; + TglcBitmapNormalMap = TglBitmapNormalMap; +{$IFEND} + +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} + +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; + +function glBitmapCreateTestData(const aFormat: TglBitmapFormat): TglBitmapData; + +{$IFDEF GLB_DELPHI} +function CreateGrayPalette: HPALETTE; +{$ENDIF} + +implementation + +uses + Math, syncobjs, typinfo + {$IF DEFINED(GLB_SUPPORT_JPEG_READ) AND DEFINED(GLB_LAZ_JPEG)}, FPReadJPEG{$IFEND}; + + +var + 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; + + function CreateMappingData: Pointer; virtual; + procedure FreeMappingData(var aMappingData: Pointer); virtual; + + function IsEmpty: Boolean; virtual; + function MaskMatch(const aMask: TglBitmapRec4ul): Boolean; virtual; + + procedure PreparePixel(out aPixel: TglBitmapPixelData); virtual; + + 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); + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + 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; + + 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; + + 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; + + 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; + + 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; + + 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; + + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + 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; + + 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; + + 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; + + 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; + + 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; + + 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; + + 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; + + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + 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; + + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlpha4ub1 = class(TfdAlphaUB1) + procedure SetValues; override; + end; + + TfdAlpha8ub1 = class(TfdAlphaUB1) + procedure SetValues; override; + end; + + TfdAlpha16us1 = class(TfdAlphaUS1) + procedure SetValues; override; + end; + + TfdLuminance4ub1 = class(TfdLuminanceUB1) + procedure SetValues; override; + end; + + TfdLuminance8ub1 = class(TfdLuminanceUB1) + procedure SetValues; override; + end; + + TfdLuminance16us1 = class(TfdLuminanceUS1) + procedure SetValues; override; + end; + + TfdLuminance4Alpha4ub2 = class(TfdLuminanceAlphaUB2) + procedure SetValues; override; + end; + + TfdLuminance6Alpha2ub2 = class(TfdLuminanceAlphaUB2) + procedure SetValues; override; + end; + + TfdLuminance8Alpha8ub2 = class(TfdLuminanceAlphaUB2) + procedure SetValues; override; + end; + + TfdLuminance12Alpha4us2 = class(TfdLuminanceAlphaUS2) + procedure SetValues; override; + end; + + TfdLuminance16Alpha16us2 = class(TfdLuminanceAlphaUS2) + procedure SetValues; override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdR3G3B2ub1 = class(TfdUniversalUB1) + procedure SetValues; override; + end; + + TfdRGBX4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdXRGB4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdR5G6B5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdRGB5X1us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdX1RGB5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdRGB8ub3 = class(TfdRGBub3) + procedure SetValues; override; + end; + + TfdRGBX8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdXRGB8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdRGB10X2ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdX2RGB10ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdRGB16us3 = class(TfdRGBus3) + procedure SetValues; override; + end; + + TfdRGBA4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdARGB4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdRGB5A1us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdA1RGB5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdRGBA8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdARGB8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdRGBA8ub4 = class(TfdRGBAub4) + procedure SetValues; override; + end; + + TfdRGB10A2ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdA2RGB10ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdRGBA16us4 = class(TfdRGBAus4) + procedure SetValues; override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdBGRX4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdXBGR4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdB5G6R5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdBGR5X1us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdX1BGR5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdBGR8ub3 = class(TfdBGRub3) + procedure SetValues; override; + end; + + TfdBGRX8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdXBGR8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdBGR10X2ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdX2BGR10ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdBGR16us3 = class(TfdBGRus3) + procedure SetValues; override; + end; + + TfdBGRA4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdABGR4us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdBGR5A1us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdA1BGR5us1 = class(TfdUniversalUS1) + procedure SetValues; override; + end; + + TfdBGRA8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdABGR8ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdBGRA8ub4 = class(TfdBGRAub4) + procedure SetValues; override; + end; + + TfdBGR10A2ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdA2BGR10ui1 = class(TfdUniversalUI1) + procedure SetValues; override; + end; + + TfdBGRA16us4 = class(TfdBGRAus4) + procedure SetValues; override; + end; + + TfdDepth16us1 = class(TfdDepthUS1) + procedure SetValues; override; + end; + + TfdDepth24ui1 = class(TfdDepthUI1) + procedure SetValues; override; + end; + + TfdDepth32ui1 = class(TfdDepthUI1) + procedure SetValues; override; + 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; + + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + 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; + + 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; + +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 + ); + +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; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor EglBitmapUnsupportedFormat.Create(const aMsg: String; const aFormat: TglBitmapFormat); +begin + inherited Create(aMsg + GetEnumName(TypeInfo(TglBitmapFormat), Integer(aFormat))); +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRec4ub(const r, g, b, a: Byte): TglBitmapRec4ub; +begin + result.r := r; + result.g := g; + result.b := b; + result.a := a; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRec4ubCompare(const r1, r2: TglBitmapRec4ub): Boolean; +var + i: Integer; +begin + result := false; + for i := 0 to high(r1.arr) do + if (r1.arr[i] <> r2.arr[i]) then + exit; + result := true; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRec4uiCompare(const r1, r2: TglBitmapRec4ui): Boolean; +var + i: Integer; +begin + result := false; + for i := 0 to high(r1.arr) do + if (r1.arr[i] <> r2.arr[i]) then + exit; + result := true; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + + result := TglBitmapData.Create(glBitmapPosition(5, 5), aFormat, p); +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapShiftRec(const r, g, b, a: Byte): TglBitmapRec4ub; +begin + result.r := r; + result.g := g; + result.b := b; + result.a := a; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function FormatGetSupportedFiles(const aFormat: TglBitmapFormat): TglBitmapFileTypes; +begin + result := []; + + 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, + + //24bpp + tfBGR8ub3, tfRGB8ub3, + + //32bpp + tfRGBX8ui1, tfXRGB8ui1, tfRGB10X2ui1, tfX2RGB10ui1, tfRGBA8ui1, tfARGB8ui1, tfRGBA8ub4, tfRGB10A2ui1, tfA2RGB10ui1, + tfBGRX8ui1, tfXBGR8ui1, tfBGR10X2ui1, tfX2BGR10ui1, tfBGRA8ui1, tfABGR8ui1, tfBGRA8ub4, tfBGR10A2ui1, tfA2BGR10ui1]) + then + result := result + [ ftBMP ]; + + if (aFormat in [ + //8bbp + tfAlpha4ub1, tfAlpha8ub1, tfLuminance4ub1, tfLuminance8ub1, + + //16bbp + tfAlpha16us1, tfLuminance16us1, + tfLuminance4Alpha4ub2, tfLuminance6Alpha2ub2, tfLuminance8Alpha8ub2, + tfX1RGB5us1, tfARGB4us1, tfA1RGB5us1, tfDepth16us1, + + //24bbp + tfBGR8ub3, + + //32bbp + tfX2RGB10ui1, tfARGB8ui1, tfBGRA8ub4, tfA2RGB10ui1, + tfDepth24ui1, tfDepth32ui1]) + then + result := result + [ftTGA]; + + if not (aFormat in [tfEmpty, tfRGB16us3, tfBGR16us3]) then + result := result + [ftDDS]; + +{$IFDEF GLB_SUPPORT_PNG_WRITE} + if aFormat in [ + tfAlpha8ub1, tfLuminance8ub1, tfLuminance8Alpha8ub2, + tfRGB8ub3, tfRGBA8ui1, + tfBGR8ub3, tfBGRA8ui1] then + result := result + [ftPNG]; +{$ENDIF} + +{$IFDEF GLB_SUPPORT_JPEG_WRITE} + if aFormat in [tfAlpha8ub1, tfLuminance8ub1, tfRGB8ub3, tfBGR8ub3] then + result := result + [ftJPEG]; +{$ENDIF} +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function IsPowerOfTwo(aNumber: Integer): Boolean; +begin + while (aNumber and 1) = 0 do + aNumber := aNumber shr 1; + result := aNumber = 1; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function GetTopMostBit(aBitSet: QWord): Integer; +begin + result := 0; + while aBitSet > 0 do begin + inc(result); + aBitSet := aBitSet shr 1; + end; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function DepthWeight(const aPixel: TglBitmapPixelData): Cardinal; +begin + result := Trunc( + DEPTH_WEIGHT_R * aPixel.Data.r + + DEPTH_WEIGHT_G * aPixel.Data.g + + DEPTH_WEIGHT_B * aPixel.Data.b); +end; + +{$IFDEF GLB_SDL_IMAGE} +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// SDL Image Helper ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRWseek(context: PSDL_RWops; offset: Integer; whence: Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Seek(offset, whence); +end; + +function glBitmapRWread(context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Read(Ptr^, size * maxnum); +end; + +function glBitmapRWwrite(context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Write(Ptr^, size * num); +end; + +function glBitmapRWclose(context: PSDL_RWops): Integer; cdecl; +begin + result := 0; +end; + +function glBitmapCreateRWops(Stream: TStream): PSDL_RWops; +begin + result := SDL_AllocRW; + + if result = nil then + raise EglBitmap.Create('glBitmapCreateRWops - SDL_AllocRW failed.'); + + result^.seek := glBitmapRWseek; + result^.read := glBitmapRWread; + result^.write := glBitmapRWwrite; + result^.close := glBitmapRWclose; + result^.unknown.data1 := Stream; +end; +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean); +begin + glBitmapDefaultDeleteTextureOnFree := aDeleteTextureOnFree; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFreeDataAfterGenTexture(const aFreeData: Boolean); +begin + glBitmapDefaultFreeDataAfterGenTextures := aFreeData; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultMipmap(const aValue: TglBitmapMipMap); +begin + glBitmapDefaultMipmap := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFormat(const aFormat: TglBitmapFormat); +begin + glBitmapDefaultFormat := aFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFilter(const aMin, aMag: Integer); +begin + glBitmapDefaultFilterMin := aMin; + glBitmapDefaultFilterMag := aMag; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultWrap(const S: Cardinal = GL_CLAMP_TO_EDGE; const T: Cardinal = GL_CLAMP_TO_EDGE; const R: Cardinal = GL_CLAMP_TO_EDGE); +begin + 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 glBitmapGetDefaultDeleteTextureOnFree: Boolean; +begin + result := glBitmapDefaultDeleteTextureOnFree; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; +begin + result := glBitmapDefaultFreeDataAfterGenTextures; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultMipmap: TglBitmapMipMap; +begin + result := glBitmapDefaultMipmap; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultFormat: TglBitmapFormat; +begin + result := glBitmapDefaultFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultFilter(var aMin, aMag: Cardinal); +begin + aMin := glBitmapDefaultFilterMin; + aMag := glBitmapDefaultFilterMag; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultTextureWrap(var S, T, R: Cardinal); +begin + 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} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.CreateMappingData: Pointer; +begin + result := nil; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TFormatDescriptor.FreeMappingData(var aMappingData: Pointer); +begin + //DUMMY +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.IsEmpty: Boolean; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TFormatDescriptor.PreparePixel(out aPixel: TglBitmapPixelData); +begin + FillChar(aPixel{%H-}, SizeOf(aPixel), 0); + aPixel.Data := Range; + aPixel.Format := fFormat; + aPixel.Range := Range; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TFormatDescriptor.Create; +begin + inherited Create; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdAlpha_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlphaUB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := aPixel.Data.a; + inc(aData); +end; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversalUB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + i: Integer; +begin + 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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +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; + +procedure TfdRGBAub4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := aData^; + inc(aData); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdAlpha_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlphaUS1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); +end; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversalUS1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + i: Integer; +begin + 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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminanceAlpha_US2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceAlphaUS2.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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdARGB_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdARGBus4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGRA_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRAus4.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; + +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdABGR_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdABGRus4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversalUI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + i: Integer; +begin + 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; +{$IFEND} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdS3tcDtx1RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdS3tcDtx1RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +procedure TfdS3tcDtx1RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +procedure TfdS3tcDtx1RGBA.SetValues; +begin + inherited SetValues; + fFormat := tfS3tcDtx1RGBA; + fWithAlpha := tfS3tcDtx1RGBA; + fUncompressed := tfRGB5A1us1; + fBitsPerPixel := 4; + fIsCompressed := true; +{$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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; + +procedure TfdS3tcDtx3RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +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; +{$ENDIF} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdS3tcDtx5RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdS3tcDtx5RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +procedure TfdS3tcDtx5RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +procedure TfdS3tcDtx5RGBA.SetValues; +begin + inherited SetValues; + fFormat := tfS3tcDtx3RGBA; + fWithAlpha := tfS3tcDtx3RGBA; + fUncompressed := tfRGBA8ub4; + fBitsPerPixel := 8; + fIsCompressed := true; +{$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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapFormatDescriptor.GetHasRed: Boolean; +begin + result := (fPrecision.r > 0); +end; + +function TglBitmapFormatDescriptor.GetHasGreen: Boolean; +begin + result := (fPrecision.g > 0); +end; + +function TglBitmapFormatDescriptor.GetHasBlue: Boolean; +begin + result := (fPrecision.b > 0); +end; + +function TglBitmapFormatDescriptor.GetHasAlpha: Boolean; +begin + result := (fPrecision.a > 0); +end; + +function TglBitmapFormatDescriptor.GetHasColor: Boolean; +begin + result := HasRed or HasGreen or HasBlue; +end; + +function TglBitmapFormatDescriptor.GetIsGrayscale: Boolean; +begin + result := (Mask.r = Mask.g) and (Mask.g = Mask.b) and (Mask.r > 0); +end; + +function TglBitmapFormatDescriptor.GetHasOpenGLSupport: Boolean; +begin + result := (OpenGLFormat = Format); +end; + +procedure TglBitmapFormatDescriptor.SetValues; +begin + fFormat := tfEmpty; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfEmpty; + fOpenGLFormat := tfEmpty; + fRGBInverted := tfEmpty; + fUncompressed := tfEmpty; + + fBitsPerPixel := 0; + fIsCompressed := false; + + fglFormat := 0; + fglInternalFormat := 0; + fglDataFormat := 0; + + FillChar(fPrecision, 0, SizeOf(fPrecision)); + FillChar(fShift, 0, SizeOf(fShift)); +end; + +procedure TglBitmapFormatDescriptor.CalcValues; +var + i: Integer; +begin + 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; + +function TglBitmapFormatDescriptor.GetSize(const aSize: TglBitmapSize): Integer; +var + w, h: Integer; +begin + 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; + +function TglBitmapFormatDescriptor.GetSize(const aWidth, aHeight: Integer): Integer; +begin + result := 0; + if (aWidth <= 0) or (aHeight <= 0) then + exit; + result := Ceil(aWidth * aHeight * BytesPerPixel); +end; + +constructor TglBitmapFormatDescriptor.Create; +begin + inherited Create; + SetValues; + CalcValues; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TglBitmapFormatDescriptor.GetByFormat(const aInternalFormat: GLenum): TglBitmapFormatDescriptor; +var + f: TglBitmapFormat; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Init; +begin + if not Assigned(FormatDescriptorCS) then + FormatDescriptorCS := TCriticalSection.Create; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.Get(const aFormat: TglBitmapFormat): TFormatDescriptor; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.GetAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor; +begin + result := Get(Get(aFormat).WithAlpha); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.GetFromMask(const aMask: TglBitmapRec4ul; const aBitCount: Integer): TFormatDescriptor; +var + ft: TglBitmapFormat; +begin + // 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; + + result := TFormatDescriptor.Get(tfEmpty); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.GetFromPrecShift(const aPrec, aShift: TglBitmapRec4ub; const aBitCount: Integer): TFormatDescriptor; +var + ft: TglBitmapFormat; +begin + // 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; + + result := TFormatDescriptor.Get(tfEmpty); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Clear; +var + f: TglBitmapFormat; +begin + FormatDescriptorCS.Enter; + try + for f := low(FormatDescriptors) to high(FormatDescriptors) do + FreeAndNil(FormatDescriptors[f]); + finally + FormatDescriptorCS.Leave; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Finalize; +begin + Clear; + FreeAndNil(FormatDescriptorCS); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TBitfieldFormat///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetCustomValues(const aBPP: Integer; aMask: TglBitmapRec4ul); +var + i: Integer; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetCustomValues(const aBBP: Integer; const aPrec, aShift: TglBitmapRec4ub); +begin + fBitsPerPixel := aBBP; + fPrecision := aPrec; + fShift := aShift; + CalcValues; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TColorTableFormat/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.SetValues; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.CalcValues; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TbmpColorTableFormat.CreateMappingData: Pointer; +begin + result := Pointer(0); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + 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; + +begin + 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; + +destructor TbmpColorTableFormat.Destroy; +begin + SetLength(fColorTable, 0); + inherited Destroy; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - Helper////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertPixel(var aPixel: TglBitmapPixelData; const aSourceFD, aDestFD: TFormatDescriptor); +var + i: Integer; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertShiftRGBAFunc(var aFuncRec: TglBitmapFunctionRec); +var + i: Integer; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapFillWithColorFunc(var aFuncRec: TglBitmapFunctionRec); +var + i: Integer; +begin + with aFuncRec do begin + for i := 0 to 3 do + Dest.Data.arr[i] := PglBitmapPixelData(Args)^.Data.arr[i]; + end; +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 + Dest.Data.a := Round(Source.Data.a / Source.Range.a * Dest.Range.a); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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 SwapRGB(aData: PByte; aWidth: Integer; const aHasAlpha: Boolean); +type + PRGBPix = ^TRGBPix; + TRGBPix = array [0..2] of byte; +var + Temp: Byte; +begin + while aWidth > 0 do begin + Temp := PRGBPix(aData)^[0]; + PRGBPix(aData)^[0] := PRGBPix(aData)^[2]; + PRGBPix(aData)^[2] := Temp; + + if aHasAlpha then + Inc(aData, 4) + else + Inc(aData, 3); + dec(aWidth); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapData/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.GetFormatDescriptor: TglBitmapFormatDescriptor; +begin + result := TFormatDescriptor.Get(fFormat); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.GetWidth: Integer; +begin + if (ffX in fDimension.Fields) then + result := fDimension.X + else + result := -1; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.GetHeight: Integer; +begin + if (ffY in fDimension.Fields) then + result := fDimension.Y + else + result := -1; +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 TglBitmapData.PrepareResType(var aResource: String; var aResType: PChar); +var + TempPos: Integer; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +{$IFDEF GLB_SUPPORT_PNG_READ} +{$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#$0A; +var + reader: TLazReaderPNG; + intf: TLazIntfImage; + StreamPos: Int64; + magic: String[MAGIC_LEN]; +begin + result := true; + StreamPos := aStream.Position; + + SetLength(magic, MAGIC_LEN); + aStream.Read(magic[1], MAGIC_LEN); + aStream.Position := StreamPos; + if (magic <> PNG_MAGIC) then begin + result := false; + exit; + end; + + intf := TLazIntfImage.Create(0, 0); + reader := TLazReaderPNG.Create; + try try + reader.UpdateDescription := true; + reader.ImageRead(aStream, intf); + AssignFromLazIntfImage(intf); + except + result := false; + aStream.Position := StreamPos; + exit; + end; + finally + reader.Free; + intf.Free; + end; +end; + +{$ELSEIF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadPNG(const aStream: TStream): Boolean; +var + Surface: PSDL_Surface; + RWops: PSDL_RWops; +begin + result := false; + RWops := glBitmapCreateRWops(aStream); + 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; + +{$ELSEIF DEFINED(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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadPNG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + signature: array [0..7] of byte; + png: png_structp; + png_info: png_infop; + + TempHeight, TempWidth: Integer; + Format: TglBitmapFormat; + + 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 := aStream.Position; + aStream.Read(signature{%H-}, 8); + aStream.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, aStream, 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 := 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; + + // 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 + SetData(png_data, Format, TempWidth, TempHeight); + + result := true; + except + if Assigned(png_data) then + FreeMem(png_data); + raise; + end; + end; + finally + quit_libPNG; + end; +end; + +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadPNG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + Png: TPNGObject; + Header: String[8]; + Row, Col, PixSize, LineSize: Integer; + NewImage, pSource, pDest, pAlpha: pByte; + PngFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + +const + PngHeader: String[8] = #137#80#78#71#13#10#26#10; + +begin + result := false; + + StreamPos := aStream.Position; + aStream.Read(Header[0], SizeOf(Header)); + aStream.Position := StreamPos; + + {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 + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); + end; + + FormatDesc := TFormatDescriptor.Get(PngFormat); + PixSize := Round(FormatDesc.PixelSize); + LineSize := FormatDesc.GetSize(Png.Header.Width, 1); + + 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; + + 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; +{$ENDIF} + +{$IF DEFINED(GLB_LAZ_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SavePNG(const aStream: TStream); +var + png: TPortableNetworkGraphic; + intf: TLazIntfImage; + raw: TRawImage; +begin + png := TPortableNetworkGraphic.Create; + intf := TLazIntfImage.Create(0, 0); + try + 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 + png.Free; + intf.Free; + end; +end; + +{$ELSEIF DEFINED(GLB_LIB_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SavePNG(const aStream: TStream); +var + png: png_structp; + png_info: png_infop; + png_rows: array of pByte; + LineSize: Integer; + ColorType: Integer; + Row: Integer; + FormatDesc: TFormatDescriptor; +begin + if not (ftPNG in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + 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 EglBitmapUnsupportedFormat.Create(Format); + end; + + FormatDesc := TFormatDescriptor.Get(Format); + LineSize := FormatDesc.GetSize(Width, 1); + + // 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; + + // 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.'); + + // 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; + + // set read callback + png_set_write_fn(png, aStream, glBitmap_libPNG_write_func, nil); + + // 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; + +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SavePNG(const aStream: TStream); +var + Png: TPNGObject; + + pSource, pDest: pByte; + X, Y, PixSize: Integer; + ColorType: Cardinal; + Alpha: Boolean; + + pTemp: pByte; + Temp: Byte; +begin + if not (ftPNG in FormatGetSupportedFiles (Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + 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; + + 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; + + // 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; + end; + end; + + // Save to Stream + Png.CompressionLevel := 6; + Png.SaveToStream(aStream); + finally + FreeAndNil(Png); + end; +end; +{$IFEND} +{$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; + + 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; +begin + //DUMMY +end; + + +procedure glBitmap_libJPEG_output_message(cinfo: j_common_ptr); cdecl; +begin + //DUMMY +end; + + +procedure glBitmap_libJPEG_init_source(cinfo: j_decompress_ptr); cdecl; +begin + //DUMMY +end; + +procedure glBitmap_libJPEG_term_source(cinfo: j_decompress_ptr); cdecl; +begin + //DUMMY +end; + + +procedure glBitmap_libJPEG_init_destination(cinfo: j_compress_ptr); cdecl; +begin + //DUMMY +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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} + +{$IFDEF GLB_SUPPORT_JPEG_READ} +{$IF DEFINED(GLB_LAZ_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadJPEG(const aStream: TStream): Boolean; +const + MAGIC_LEN = 2; + JPEG_MAGIC: String[MAGIC_LEN] = #$FF#$D8; +var + intf: TLazIntfImage; + reader: TFPReaderJPEG; + StreamPos: Int64; + magic: String[MAGIC_LEN]; +begin + 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; + +{$ELSEIF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadJPEG(const aStream: TStream): Boolean; +var + Surface: PSDL_Surface; + RWops: PSDL_RWops; +begin + result := false; + + RWops := glBitmapCreateRWops(aStream); + try + if IMG_isJPG(RWops) > 0 then begin + Surface := IMG_LoadJPG_RW(RWops); + try + AssignFromSurface(Surface); + result := true; + finally + SDL_FreeSurface(Surface); + end; + end; + finally + SDL_FreeRW(RWops); + end; +end; + +{$ELSEIF DEFINED(GLB_LIB_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadJPEG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + Temp: array[0..1]of Byte; + + jpeg: jpeg_decompress_struct; + jpeg_err: jpeg_error_mgr; + + IntFormat: TglBitmapFormat; + pImage: pByte; + TempHeight, TempWidth: Integer; + + pTemp: pByte; + Row: Integer; + + FormatDesc: TFormatDescriptor; +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 := aStream.Position; + aStream.Read({%H-}Temp[0], 2); + aStream.Position := StreamPos; + + // 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.output_message := glBitmap_libJPEG_output_message; + + // decompression struct + jpeg_create_decompress(@jpeg); + + // allocation space for streaming methods + jpeg.src := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_source_mgr)); + + // seeting up custom functions + with glBitmap_libJPEG_source_mgr_ptr(jpeg.src)^ do begin + pub.init_source := glBitmap_libJPEG_init_source; + pub.fill_input_buffer := glBitmap_libJPEG_fill_input_buffer; + pub.skip_input_data := glBitmap_libJPEG_skip_input_data; + pub.resync_to_restart := jpeg_resync_to_restart; // use default method + pub.term_source := glBitmap_libJPEG_term_source; + + pub.bytes_in_buffer := 0; // forces fill_input_buffer on first read + pub.next_input_byte := nil; // until buffer loaded + + SrcStream := aStream; + end; + + // set global decoding state + jpeg.global_state := DSTATE_START; + + // read header of jpeg + jpeg_read_header(@jpeg, false); + + // setting output parameter + case jpeg.jpeg_color_space of + JCS_GRAYSCALE: + begin + jpeg.out_color_space := JCS_GRAYSCALE; + IntFormat := tfLuminance8ub1; + end; + else + jpeg.out_color_space := JCS_RGB; + IntFormat := tfRGB8ub3; + end; + + // reading image + jpeg_start_decompress(@jpeg); + + TempHeight := jpeg.output_height; + TempWidth := jpeg.output_width; + + FormatDesc := TFormatDescriptor.Get(IntFormat); + + // creating new image + 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, FormatDesc.GetSize(TempWidth, 1)); + end; + + // finish decompression + jpeg_finish_decompress(@jpeg); + + // destroy decompression + jpeg_destroy_decompress(@jpeg); + + SetData(pImage, IntFormat, TempWidth, TempHeight); + + result := true; + except + if Assigned(pImage) then + FreeMem(pImage); + raise; + end; + end; + finally + quit_libJPEG; + end; +end; + +{$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; + + // reading first two bytes to test file and set cursor back to begin + StreamPos := aStream.Position; + aStream.Read(Temp[0], 2); + aStream.Position := StreamPos; + + // if Bitmap then read file. + if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin + bmp := TBitmap.Create; + try + jpg := TJPEGImage.Create; + try + jpg.LoadFromStream(aStream); + bmp.Assign(jpg); + result := AssignFromBitmap(bmp); + finally + jpg.Free; + end; + finally + bmp.Free; + end; + end; +end; +{$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; + + BMP_COMP_RGB = 0; + BMP_COMP_RLE8 = 1; + BMP_COMP_RLE4 = 2; + BMP_COMP_BITFIELDS = 3; + +type + TBMPHeader = packed record + bfType: Word; + bfSize: Cardinal; + bfReserved1: Word; + bfReserved2: Word; + bfOffBits: Cardinal; + end; + + TBMPInfo = packed record + biSize: Cardinal; + biWidth: Longint; + biHeight: Longint; + biPlanes: Word; + biBitCount: Word; + biCompression: Cardinal; + biSizeImage: Cardinal; + biXPelsPerMeter: Longint; + biYPelsPerMeter: Longint; + biClrUsed: Cardinal; + biClrImportant: Cardinal; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + + 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; + + fd := TFormatDescriptor.Get(aFormat); + result := TbmpColorTableFormat.Create; + result.ColorTable := ColorTable; + result.SetCustomValues(aFormat, aInfo.biBitCount, fd.Precision, fd.Shift); + end; + + ////////////////////////////////////////////////////////////////////////////////////////////////// + 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; + + ////////////////////////////////////////////////////////////////////////////////////////////////// + procedure SpecialFormatReadLine(aData: PByte; aLineBuf: PByte); + var + i: Integer; + Pixel: TglBitmapPixelData; + begin + 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; + BmpFormat := tfEmpty; + SpecialFormat := nil; + LineBuf := nil; + SourceMD := nil; + DestMD := nil; + + // Header + StartPos := aStream.Position; + aStream.Read(Header{%H-}, SizeOf(Header)); + + if Header.bfType = BMP_MAGIC then begin + 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; + + //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; + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveBMP(const aStream: TStream); +var + 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; + + PaddingBuff: Cardinal; + + function GetLineWidth : Integer; + begin + result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; + end; + +begin + if not (ftBMP in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + Converter := nil; + FormatDesc := TFormatDescriptor.Get(Format); + ImageSize := FormatDesc.GetSize(Dimension); + + 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); + + 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; + + try + 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; + + 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; + + tfBGR8ub3, tfRGB8ub3: + begin + Info.biBitCount := 24; + if (Format = tfRGB8ub3) then + Converter := TfdBGR8ub3.Create; //use BGR8 Format Descriptor to Swap RGB Values + end; + + 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; + 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; + + // 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; + + // 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; + ColorMapStart: Word; + ColorMapLength: Word; + ColorMapEntrySize: Byte; + OrigX: Word; + OrigY: Word; + Width: Word; + Height: Word; + Bpp: Byte; + ImageDesc: Byte; + end; + +const + TGA_UNCOMPRESSED_RGB = 2; + TGA_UNCOMPRESSED_GRAY = 3; + TGA_COMPRESSED_RGB = 10; + TGA_COMPRESSED_GRAY = 11; + + TGA_NONE_COLOR_TABLE = 0; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadTGA(const aStream: TStream): Boolean; +var + Header: TTGAHeader; + 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 + i, j: Integer; + buf, tmp1, tmp2: System.PByte; + begin + 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 + TmpData: System.PByte; + LinePixelsRead: Integer; + procedure CheckLine; + begin + if (LinePixelsRead >= Header.Width) then begin + LinePixelsRead := 0; + 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; + + ///////////////////////////////////////////////////////////////// + var + Cache: PByte; + CacheSize, CachePos: Integer; + procedure CachedRead(out Buffer; Count: Integer); + var + BytesRead: Integer; + begin + if (CachePos + Count > CacheSize) then begin + //if buffer overflow save non read bytes + BytesRead := 0; + if (CacheSize - CachePos > 0) then begin + BytesRead := CacheSize - CachePos; + Move(PByteArray(Cache)^[CachePos], Buffer{%H-}, BytesRead); + inc(CachePos, BytesRead); + end; + + //load cache from file + CacheSize := Min(CACHE_SIZE, aStream.Size - aStream.Position); + aStream.Read(Cache^, CacheSize); + CachePos := 0; + + //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 + //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; + + TotalPixelsToRead := Header.Width * Header.Height; + TotalPixelsRead := 0; + LinePixelsRead := 0; + + GetMem(Cache, CACHE_SIZE); + try + 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 + + repeat + //read CommandByte + CachedRead(Temp, 1); + 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 (TotalPixelsRead >= TotalPixelsToRead); + finally + FreeMem(Cache); + end; + end; + + function IsGrayFormat: Boolean; + begin + result := Header.ImageType in [TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_GRAY]; + end; + +begin + result := false; + + // reading header to test file and set cursor back to begin + StartPosition := aStream.Position; + aStream.Read(Header{%H-}, SizeOf(Header)); + + // no colormapped files + 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: 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; + + if (tgaFormat = tfEmpty) then + raise EglBitmap.Create('LoadTga - unsupported format'); + + FormatDesc := TFormatDescriptor.Get(tgaFormat); + PixelSize := FormatDesc.GetSize(1, 1); + LineSize := FormatDesc.GetSize(Header.Width, 1); + + 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.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 + Counter.Y.low := Header.Height-1;; + Counter.Y.high := 0; + Counter.Y.dir := -1; + end; + + // Read Image + case Header.ImageType of + TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY: + ReadUncompressed; + TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY: + ReadCompressed; + end; + + SetData(ImageData, tgaFormat, Header.Width, Header.Height); + result := true; + except + if Assigned(ImageData) then + FreeMem(ImageData); + raise; + end; + finally + aStream.Position := StartPosition; + end; + end + else aStream.Position := StartPosition; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveTGA(const aStream: TStream); +var + 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 Data + Size := FormatDesc.GetSize(Dimension); + aStream.Write(Data^, Size); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//DDS///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +const + DDS_MAGIC: Cardinal = $20534444; + + // DDS_header.dwFlags + DDSD_CAPS = $00000001; + DDSD_HEIGHT = $00000002; + DDSD_WIDTH = $00000004; + DDSD_PIXELFORMAT = $00001000; + + // DDS_header.sPixelFormat.dwFlags + DDPF_ALPHAPIXELS = $00000001; + DDPF_ALPHA = $00000002; + DDPF_FOURCC = $00000004; + DDPF_RGB = $00000040; + DDPF_LUMINANCE = $00020000; + + // DDS_header.sCaps.dwCaps1 + DDSCAPS_TEXTURE = $00001000; + + // DDS_header.sCaps.dwCaps2 + DDSCAPS2_CUBEMAP = $00000200; + + 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; + dwABitMask: Cardinal; + end; + + TDDSCaps = packed record + dwCaps1: Cardinal; + dwCaps2: Cardinal; + dwDDSX: Cardinal; + dwReserved: Cardinal; + end; + + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.LoadDDS(const aStream: TStream): Boolean; +var + Header: TDDSHeader; + Converter: TbmpBitfieldFormat; + + 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; + + //no format with same range found -> use default + if (result = tfEmpty) then begin + if (dwABitMask > 0) then + result := tfRGBA8ui1 + else + result := tfRGB8ub3; + end; + + Converter := TbmpBitfieldFormat.Create; + Converter.SetCustomValues(dwRGBBitCount, glBitmapRec4ul(dwRBitMask, dwGBitMask, dwBBitMask, dwABitMask)); + end; + end; + end; + +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; + + if ((Header.Caps.dwCaps1 and DDSCAPS2_CUBEMAP) > 0) then + raise EglBitmap.Create('LoadDDS - CubeMaps are not supported'); + + ddsFormat := GetDDSFormat; + try + if (ddsFormat = tfEmpty) then + raise EglBitmap.Create('LoadDDS - unsupported Pixelformat found.'); + + 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 else + + // 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 + + // 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 else + raise EglBitmap.Create('LoadDDS - unsupported Pixelformat found.'); + + SetData(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); + result := true; + except + if Assigned(NewImage) then + FreeMem(NewImage); + raise; + end; + finally + FreeAndNil(Converter); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SaveDDS(const aStream: TStream); +var + Header: TDDSHeader; + FormatDesc: TFormatDescriptor; +begin + if not (ftDDS in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + FormatDesc := TFormatDescriptor.Get(Format); + + // Generell + FillChar(Header{%H-}, SizeOf(Header), 0); + Header.dwSize := SizeOf(Header); + Header.dwFlags := DDSD_WIDTH or DDSD_HEIGHT or DDSD_CAPS or DDSD_PIXELFORMAT; + + Header.dwWidth := Max(1, Width); + Header.dwHeight := Max(1, Height); + + // Caps + Header.Caps.dwCaps1 := DDSCAPS_TEXTURE; + + // Pixelformat + 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; + + if (FormatDesc.HasAlpha) then + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS; + + aStream.Write(DDS_MAGIC, sizeof(DDS_MAGIC)); + aStream.Write(Header, SizeOf(Header)); + aStream.Write(Data^, FormatDesc.GetSize(Dimension)); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.FlipHorz: Boolean; +var + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + SetData(DestData, Format, Width, Height); + result := true; + except + if Assigned(DestData) then + FreeMem(DestData); + raise; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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 + fs.Position := 0; + LoadFromStream(fs); + fFilename := aFilename; + finally + 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 + {$ENDIF} + if not LoadDDS(aStream) then + if not LoadTGA(aStream) then + if not LoadBMP(aStream) then + if not LoadRAW(aStream) then + raise EglBitmap.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.LoadFromFunc(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; + const aFunc: TglBitmapFunction; const aArgs: Pointer); +var + tmpData: PByte; + size: Integer; +begin + size := TFormatDescriptor.Get(aFormat).GetSize(aSize); + GetMem(tmpData, size); + try + FillChar(tmpData^, size, #$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 + PrepareResType(aResource, aResType); + rs := TResourceStream.Create(aInstance, aResource, aResType); + try + LoadFromStream(rs); + finally + rs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.Convert(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: Pointer): Boolean; +begin + result := Convert(Self, aFunc, aCreateTemp, Format, aArgs); +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; + + FuncRec: TglBitmapFunctionRec; +begin + Assert(Assigned(Data)); + Assert(Assigned(aSource)); + Assert(Assigned(aSource.Data)); + + 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); + + 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); + + // inkompatible Formats so CreateTemp + if (SourceFD.BitsPerPixel <> DestFD.BitsPerPixel) then + aCreateTemp := true; + + // Values + TempHeight := Max(1, aSource.Height); + TempWidth := Max(1, aSource.Width); + + FuncRec.Sender := Self; + FuncRec.Args := aArgs; + + TmpData := nil; + if aCreateTemp then begin + GetMem(TmpData, DestFD.GetSize(TempWidth, TempHeight)); + DestData := TmpData; + end else + DestData := Data; + + try + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); + + SourceMD := SourceFD.CreateMappingData; + DestMD := DestFD.CreateMappingData; + + FuncRec.Size := aSource.Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; + + 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; + + // Updating Image or InternalFormat + if aCreateTemp then + SetData(TmpData, aFormat, aSource.Width, aSource.Height) + else if (aFormat <> fFormat) then + Format := aFormat; + + result := true; + finally + SourceFD.FreeMappingData(SourceMD); + DestFD.FreeMappingData(DestMD); + end; + except + if aCreateTemp and Assigned(TmpData) then + FreeMem(TmpData); + raise; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.ConvertTo(const aFormat: TglBitmapFormat): Boolean; +var + SourceFD, DestFD: TFormatDescriptor; + SourcePD, DestPD: TglBitmapPixelData; + ShiftData: TShiftData; + + 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 CanShift: 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 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 (aFormat <> fFormat) and (aFormat <> tfEmpty) then begin + SourceFD := TFormatDescriptor.Get(Format); + DestFD := TFormatDescriptor.Get(aFormat); + + if DataIsIdentical then begin + result := true; + Format := aFormat; + exit; + end; + + 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; + +{$IFDEF GLB_SDL} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, RowSize: Integer; + SourceData, TmpData: PByte; + TempDepth: Integer; + FormatDesc: TFormatDescriptor; + + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface.pixels; + Inc(result, Row * RowSize); + end; + +begin + result := false; + + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); + + 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; + + aSurface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, TempDepth, + FormatDesc.RedMask, FormatDesc.GreenMask, FormatDesc.BlueMask, FormatDesc.AlphaMask); + SourceData := Data; + RowSize := FormatDesc.GetSize(FileWidth, 1); + + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignFromSurface(const aSurface: PSDL_Surface): Boolean; +var + pSource, pData, pTempData: PByte; + Row, RowSize, TempWidth, TempHeight: Integer; + IntFormat: TglBitmapFormat; + fd: TFormatDescriptor; + Mask: TglBitmapMask; + + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface^.pixels; + Inc(result, Row * RowSize); + end; + +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; + + 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; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, Col, AlphaInterleave: Integer; + pSource, pDest: PByte; + + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface.pixels; + Inc(result, Row * Width); + end; + +begin + 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, $FF, 0); + + AlphaInterleave := 0; + case Format of + tfLuminance8Alpha8ub2: + AlphaInterleave := 1; + tfBGRA8ub4, tfRGBA8ub4: + AlphaInterleave := 3; + end; + + pSource := Data; + for Row := 0 to Height -1 do begin + pDest := GetRowPointer(Row); + if Assigned(pDest) then begin + for Col := 0 to Width -1 do begin + Inc(pSource, AlphaInterleave); + pDest^ := pSource^; + Inc(pDest); + Inc(pSource); + end; + end; + end; + result := true; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; +var + bmp: TglBitmap2D; +begin + bmp := TglBitmap2D.Create; + try + bmp.AssignFromSurface(aSurface); + result := AddAlphaFromGlBitmap(bmp, aFunc, aArgs); + finally + bmp.Free; + end; +end; +{$ENDIF} + +{$IFDEF GLB_DELPHI} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function CreateGrayPalette: HPALETTE; +var + Idx: Integer; + Pal: PLogPalette; +begin + GetMem(Pal, SizeOf(TLogPalette) + (SizeOf(TPaletteEntry) * 256)); + + Pal.palVersion := $300; + Pal.palNumEntries := 256; + + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignToBitmap(const aBitmap: TBitmap): Boolean; +var + Row, RowSize: Integer; + pSource, pData: PByte; +begin + 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; + + 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; + + 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; + + 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 + result := false; + + 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; + + case Format of + tfLuminance8Alpha8ub2: + AlphaInterleave := 1; + tfRGBA8ub4, tfBGRA8ub4: + AlphaInterleave := 3; + else + AlphaInterleave := 0; + 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; + end; + end; + result := true; + end; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + data: TglBitmapData; +begin + 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)); + + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean; +var + f: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + ImageData: PByte; + ImageSize: Integer; + CanCopy: Boolean; + Mask: TglBitmapRec4ul; + + 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; + +begin + 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; + 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); + + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + data: TglBitmapData; +begin + data := TglBitmapData.Create; + try + data.AssignFromLazIntfImage(aImage); + result := AddAlphaFromDataObj(data, aFunc, aArgs); + finally + data.Free; + end; +end; +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + rs: TResourceStream; +begin + PrepareResType(aResource, aResType); + rs := TResourceStream.Create(aInstance, aResource, aResType); + try + result := AddAlphaFromStream(rs, aFunc, aArgs); + finally + rs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + rs: TResourceStream; +begin + rs := TResourceStream.CreateFromID(aInstance, aResourceID, aResType); + try + result := AddAlphaFromStream(rs, aFunc, aArgs); + finally + rs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +begin + if TFormatDescriptor.Get(Format).IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); + result := Convert(Self, aFunc, false, TFormatDescriptor.Get(Format).WithAlpha, aArgs); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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 TglBitmapData.AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + data: TglBitmapData; +begin + data := TglBitmapData.Create(aStream); + try + result := AddAlphaFromDataObj(data, aFunc, aArgs); + finally + data.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromDataObj(const aDataObj: TglBitmapData; aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + DestData, DestData2, SourceData: pByte; + TempHeight, TempWidth: Integer; + SourceFD, DestFD: TFormatDescriptor; + SourceMD, DestMD, DestMD2: Pointer; + + FuncRec: TglBitmapFunctionRec; +begin + result := false; + + Assert(Assigned(Data)); + Assert(Assigned(aDataObj)); + Assert(Assigned(aDataObj.Data)); + + if ((aDataObj.Width = Width) and (aDataObj.Height = Height)) then begin + result := ConvertTo(TFormatDescriptor.Get(Format).WithAlpha); + + SourceFD := TFormatDescriptor.Get(aDataObj.Format); + DestFD := TFormatDescriptor.Get(Format); + + if not Assigned(aFunc) then begin + aFunc := glBitmapAlphaFunc; + FuncRec.Args := {%H-}Pointer(SourceFD.HasAlpha); + end else + FuncRec.Args := aArgs; + + // Values + TempWidth := aDataObj.Width; + TempHeight := aDataObj.Height; + if (TempWidth <= 0) or (TempHeight <= 0) then + exit; + + FuncRec.Sender := Self; + FuncRec.Size := Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; + + DestData := Data; + DestData2 := Data; + SourceData := aDataObj.Data; + + // Mapping + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); + + SourceMD := SourceFD.CreateMappingData; + DestMD := DestFD.CreateMappingData; + DestMD2 := DestFD.CreateMappingData; + try + 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; + finally + SourceFD.FreeMappingData(SourceMD); + DestFD.FreeMappingData(DestMD); + DestFD.FreeMappingData(DestMD2); + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte): Boolean; +begin + result := AddAlphaFromColorKeyFloat(aRed / $FF, aGreen / $FF, aBlue / $FF, aDeviation / $FF); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal): Boolean; +var + PixelData: TglBitmapPixelData; +begin + 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 TglBitmapData.AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single): Boolean; +var + 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; + + 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; + result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, @PixelData); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromValue(const aAlpha: Byte): Boolean; +begin + result := AddAlphaFromValueFloat(aAlpha / $FF); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetAlpha(Format).PreparePixel(PixelData); + result := AddAlphaFromValueFloat(aAlpha / PixelData.Range.a); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.AddAlphaFromValueFloat(const aAlpha: Single): Boolean; +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetAlpha(Format).PreparePixel(PixelData); + with PixelData do + Data.a := Min(Range.a, Max(0, Round(Range.a * aAlpha))); + result := AddAlphaFromFunc(glBitmapValueAlphaFunc, @PixelData.Data.a); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.RemoveAlpha: Boolean; +var + FormatDesc: TFormatDescriptor; +begin + result := false; + FormatDesc := TFormatDescriptor.Get(Format); + if Assigned(Data) then begin + if FormatDesc.IsCompressed or not FormatDesc.HasAlpha then + raise EglBitmapUnsupportedFormat.Create(Format); + result := ConvertTo(FormatDesc.WithoutAlpha); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.FillWithColor(const aRed, aGreen, aBlue: Byte; + const aAlpha: Byte); +begin + FillWithColorFloat(aRed/$FF, aGreen/$FF, aBlue/$FF, aAlpha/$FF); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal); +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetAlpha(Format).PreparePixel(PixelData); + FillWithColorFloat( + aRed / PixelData.Range.r, + aGreen / PixelData.Range.g, + aBlue / PixelData.Range.b, + aAlpha / PixelData.Range.a); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha: Single); +var + PixelData: TglBitmapPixelData; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.SetData(const aData: PByte; const aFormat: TglBitmapFormat; const aWidth: Integer; const aHeight: Integer); +begin + if (Data <> aData) then begin + if (Assigned(Data)) then + FreeMem(Data); + fData := aData; + 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; + + if aHeight <> -1 then begin + fDimension.Fields := fDimension.Fields + [ffY]; + fDimension.Y := aHeight; + end; + + fFormat := aFormat; + end else + fFormat := tfEmpty; + + UpdateScanlines; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmapData.Clone: TglBitmapData; +var + Temp: TglBitmapData; + TempPtr: PByte; + Size: Integer; +begin + result := nil; + Temp := (ClassType.Create as TglBitmapData); + try + // copy texture data if assigned + if Assigned(Data) then begin + 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 begin + TempPtr := nil; + Temp.SetData(TempPtr, Format, Width, Height); + end; + + // copy properties + Temp.fFormat := Format; + result := Temp; + except + FreeAndNil(Temp); + raise; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapData.Invert(const aRed, aGreen, aBlue, aAlpha: Boolean); +var + mask: PtrInt; +begin + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +type + TMatrixItem = record + X, Y: Integer; + W: Single; + end; + + PglBitmapToNormalMapRec = ^TglBitmapToNormalMapRec; + TglBitmapToNormalMapRec = Record + Scale: Single; + Heights: array of Single; + MatrixU : array of TMatrixItem; + MatrixV : array of TMatrixItem; + end; + +const + ONE_OVER_255 = 1 / 255; + + ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapPrepareFunc(var FuncRec: TglBitmapFunctionRec); +var + Val: Single; +begin + 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 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; + 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; + +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; + + 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; + + // 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 TglBitmapData.GenerateNormalMap(const aFunc: TglBitmapNormalMapFunc; const aScale: Single; const aUseAlpha: Boolean); +var + Rec: TglBitmapToNormalMapRec; + + 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; + +begin + if TFormatDescriptor.Get(Format).IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); + + if aScale > 100 then + Rec.Scale := 100 + else if aScale < -100 then + Rec.Scale := -100 + else + Rec.Scale := aScale; + + 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; + + 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 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create; +begin + inherited Create; + fFormat := glBitmapDefaultFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aFileName: String); +begin + Create; + LoadFromFile(aFileName); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aStream: TStream); +begin + Create; + LoadFromStream(aStream); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; aData: PByte); +var + ImageSize: Integer; +begin + Create; + if not Assigned(aData) then begin + ImageSize := TFormatDescriptor.Get(aFormat).GetSize(aSize); + GetMem(aData, ImageSize); + try + FillChar(aData^, ImageSize, #$FF); + SetData(aData, aFormat, aSize.X, aSize.Y); + except + if Assigned(aData) then + FreeMem(aData); + raise; + end; + end else begin + SetData(aData, aFormat, aSize.X, aSize.Y); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aSize: TglBitmapSize; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer); +begin + Create; + LoadFromFunc(aSize, aFormat, aFunc, aArgs); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar); +begin + Create; + LoadFromResource(aInstance, aResource, aResType); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmapData.Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); +begin + Create; + LoadFromResourceID(aInstance, aResourceID, aResType); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +destructor TglBitmapData.Destroy; +begin + SetData(nil, tfEmpty); + inherited Destroy; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PROTECTED/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetWidth: Integer; +begin + if (ffX in fDimension.Fields) then + result := fDimension.X + else + result := -1; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetHeight: Integer; +begin + if (ffY in fDimension.Fields) then + result := fDimension.Y + else + result := -1; +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 TglBitmap.SetCustomNameW(const aValue: WideString); +begin + if fCustomNameW = aValue then + exit; + fCustomNameW := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetDeleteTextureOnFree(const aValue: Boolean); +begin + if fDeleteTextureOnFree = aValue then + exit; + fDeleteTextureOnFree := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetID(const aValue: Cardinal); +begin + if fID = aValue then + exit; + fID := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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 TglBitmap.SetAnisotropic(const aValue: Integer); +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_EXT)} +var + MaxAnisotropic: Integer; +{$IFEND} +begin + fAnisotropic := aValue; + if (ID > 0) then begin +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_EXT)} + if GL_EXT_texture_filter_anisotropic then begin + if fAnisotropic > 0 then begin - Bind(false); ++ Bind({$IFNDEF OPENGL_ES}false{$ENDIF}); + glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, @MaxAnisotropic); + if aValue > MaxAnisotropic then + fAnisotropic := MaxAnisotropic; + glTexParameteri(Target, GL_TEXTURE_MAX_ANISOTROPY_EXT, fAnisotropic); + end; + end else begin + fAnisotropic := 0; + end; +{$ELSE} + fAnisotropic := 0; +{$IFEND} + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.CreateID; +begin + if (ID <> 0) then + glDeleteTextures(1, @fID); + glGenTextures(1, @fID); - Bind(false); ++ Bind({$IFNDEF OPENGL_ES}false{$ENDIF}); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetupParameters({$IFNDEF OPENGL_ES}out aBuildWithGlu: Boolean{$ENDIF}); +begin + // Set Up Parameters + SetWrap(fWrapS, fWrapT, fWrapR); + SetFilter(fFilterMin, fFilterMag); + SetAnisotropic(fAnisotropic); + +{$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]); +{$ENDIF} + +{$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, GLint(GL_TRUE)) + else + aBuildWithGlu := true; + end else if (MipMap = mmMipmapGlu) then + aBuildWithGlu := true; +{$ELSE} + if (MipMap = mmMipmap) then - glTexParameteri(Target, GL_GENERATE_MIPMAP, GLint(GL_TRUE)); ++ glGenerateMipmap(Target); +{$ENDIF} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PUBLIC////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.AfterConstruction; +begin + inherited AfterConstruction; + + fID := 0; + fTarget := 0; +{$IFNDEF OPENGL_ES} + fIsResident := false; +{$ENDIF} + + fMipMap := glBitmapDefaultMipmap; + fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; + + glBitmapGetDefaultFilter (fFilterMin, fFilterMag); + glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); +{$IFNDEF OPENGL_ES} + glBitmapGetDefaultSwizzle (fSwizzle[0], fSwizzle[1], fSwizzle[2], fSwizzle[3]); +{$ENDIF} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.BeforeDestruction; +begin + if (fID > 0) and fDeleteTextureOnFree then + glDeleteTextures(1, @fID); + inherited BeforeDestruction; +end; + +{$IFNDEF OPENGL_ES} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); +begin + fBorderColor[0] := aRed; + fBorderColor[1] := aGreen; + fBorderColor[2] := aBlue; + fBorderColor[3] := aAlpha; + if (ID > 0) then begin + Bind(false); + glTexParameterfv(Target, GL_TEXTURE_BORDER_COLOR, @fBorderColor[0]); + end; +end; +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; + + //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; + + //apply filter + if (ID > 0) then begin - Bind(false); ++ Bind({$IFNDEF OPENGL_ES}false{$ENDIF}); + glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, fFilterMag); + + 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 CheckAndSetWrap(const aValue: Cardinal; var aTarget: Cardinal); + begin + 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} + +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} + GL_MIRRORED_REPEAT: begin + {$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; +{$IFEND} + else + raise EglBitmap.Create('SetWrap - Unknow Texturewrap'); + end; + end; + +begin + CheckAndSetWrap(S, fWrapS); + CheckAndSetWrap(T, fWrapT); + CheckAndSetWrap(R, fWrapR); + + if (ID > 0) then begin - Bind(false); ++ Bind({$IFNDEF OPENGL_ES}false{$ENDIF}); + glTexParameteri(Target, GL_TEXTURE_WRAP_S, fWrapS); + glTexParameteri(Target, GL_TEXTURE_WRAP_T, fWrapT); +{$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 CheckAndSetValue(const aValue: GLenum; const aIndex: Integer); + begin + 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 +{$IFNDEF OPENGL_ES} + if not (GL_ARB_texture_swizzle or GL_EXT_texture_swizzle or GL_VERSION_3_3) then + raise EglBitmapNotSupported.Create('texture swizzle is not supported'); +{$ELSE} + if not GL_VERSION_3_0 then + raise EglBitmapNotSupported.Create('texture swizzle is not supported'); +{$ENDIF} + CheckAndSetValue(r, 0); + CheckAndSetValue(g, 1); + CheckAndSetValue(b, 2); + CheckAndSetValue(a, 3); + + if (ID > 0) then begin + Bind(false); +{$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; +{$IFEND} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - procedure TglBitmap.Bind(const aEnableTextureUnit: Boolean); ++procedure TglBitmap.Bind({$IFNDEF OPENGL_ES}const aEnableTextureUnit: Boolean{$ENDIF}); +begin ++{$IFNDEF OPENGL_ES} + if aEnableTextureUnit then + glEnable(Target); ++{$ENDIF} + if (ID > 0) then + glBindTexture(Target, ID); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - procedure TglBitmap.Unbind(const aDisableTextureUnit: Boolean); ++procedure TglBitmap.Unbind({$IFNDEF OPENGL_ES}const aDisableTextureUnit: Boolean{$ENDIF}); +begin ++{$IFNDEF OPENGL_ES} + if aDisableTextureUnit then + glDisable(Target); ++{$ENDIF} + glBindTexture(Target, 0); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean); +var + w, h: Integer; +begin + w := aDataObj.Width; + h := aDataObj.Height; + fDimension.Fields := []; + if (w > 0) then + fDimension.Fields := fDimension.Fields + [ffX]; + if (h > 0) then + fDimension.Fields := fDimension.Fields + [ffY]; + fDimension.X := w; + fDimension.Y := h; +end; + +{$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_INTERNAL_FORMAT, @TempIntFormat); + + FormatDesc := (TglBitmapFormatDescriptor.GetByFormat(TempIntFormat) as TFormatDescriptor); + IntFormat := FormatDesc.Format; + + // Getting data from OpenGL + FormatDesc := TFormatDescriptor.Get(IntFormat); + GetMem(Temp, FormatDesc.GetSize(TempWidth, TempHeight)); + try + if FormatDesc.IsCompressed then begin + if not Assigned(glGetCompressedTexImage) then + raise EglBitmap.Create('compressed formats not supported by video adapter'); + glGetCompressedTexImage(Target, 0, Temp) + end else + glGetTexImage(Target, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); + aDataObj.SetData(Temp, IntFormat, TempWidth, TempHeight); + result := true; + except + if Assigned(Temp) then + FreeMem(Temp); + raise; + end; +end; +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create; +begin + if (ClassType = TglBitmap) then + raise EglBitmap.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); + inherited Create; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aData: TglBitmapData); +begin + Create; + UploadData(aData); +end; + +{$IFNDEF OPENGL_ES} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap1D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.UploadDataIntern(const aDataObj: TglBitmapData; const aBuildWithGlu: Boolean); +var + fd: TglBitmapFormatDescriptor; +begin + // 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean); +var + BuildWithGlu, TexRec: Boolean; + TexSize: Integer; +begin + if not Assigned(aDataObj) then + exit; + + // Check Texture Size + if (aCheckSize) then begin + glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); + + 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.'); + + 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; + + if (fID = 0) then + CreateID; + SetupParameters(BuildWithGlu); + UploadDataIntern(aDataObj, BuildWithGlu); + glAreTexturesResident(1, @fID, @fIsResident); + + inherited UploadData(aDataObj, aCheckSize); +end; +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap2D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - procedure TglBitmap2D.UploadDataIntern(const aDataObj: TglBitmapData; const aTarget: GLenum; const aBuildWithGlu: Boolean); ++procedure TglBitmap2D.UploadDataIntern(const aDataObj: TglBitmapData; const aTarget: GLenum{$IFNDEF OPENGL_ES}; const aBuildWithGlu: Boolean{$ENDIF}); +var + fd: TglBitmapFormatDescriptor; +begin + fd := aDataObj.FormatDescriptor; + if (fd.glFormat = 0) or (fd.glInternalFormat = 0) or (fd.glDataFormat = 0) then + raise EglBitmap.Create('format is not supported by video adapter, please convert before uploading data'); + + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + if fd.IsCompressed then begin + if not Assigned(glCompressedTexImage2D) then + raise EglBitmap.Create('compressed formats not supported by video adapter'); + glCompressedTexImage2D(aTarget, 0, fd.glInternalFormat, aDataObj.Width, aDataObj.Height, 0, fd.GetSize(fDimension), aDataObj.Data) +{$IFNDEF OPENGL_ES} + end else if aBuildWithGlu then begin + gluBuild2DMipmaps(aTarget, fd.ChannelCount, aDataObj.Width, aDataObj.Height, fd.glFormat, fd.glDataFormat, aDataObj.Data) +{$ENDIF} + end else begin + glTexImage2D(aTarget, 0, fd.glInternalFormat, aDataObj.Width, aDataObj.Height, 0, fd.glFormat, fd.glDataFormat, aDataObj.Data); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.AfterConstruction; +begin + inherited; + Target := GL_TEXTURE_2D; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean); +var + {$IFNDEF OPENGL_ES} + BuildWithGlu, TexRec: Boolean; + {$ENDIF} + PotTex: Boolean; + TexSize: Integer; +begin + if not Assigned(aDataObj) then + exit; + + // Check Texture Size + if (aCheckSize) then begin + glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); + + if ((aDataObj.Width > TexSize) or (aDataObj.Height > TexSize)) then + raise EglBitmapSizeToLarge.Create('TglBitmap2D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); + + PotTex := IsPowerOfTwo(aDataObj.Width) and IsPowerOfTwo(aDataObj.Height); +{$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); +{$ENDIF} + + inherited UploadData(aDataObj, aCheckSize); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TglBitmap2D.GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat; const aDataObj: TglBitmapData); +var + Temp: pByte; + Size, w, h: Integer; + FormatDesc: TFormatDescriptor; +begin + FormatDesc := TFormatDescriptor.Get(aFormat); + if FormatDesc.IsCompressed then + raise EglBitmapUnsupportedFormat.Create(aFormat); + + w := aRight - aLeft; + h := aBottom - aTop; + Size := FormatDesc.GetSize(w, h); + GetMem(Temp, Size); + try + glPixelStorei(GL_PACK_ALIGNMENT, 1); + glReadPixels(aLeft, aTop, w, h, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); + aDataObj.SetData(Temp, aFormat, w, h); + aDataObj.FlipVert; + except + if Assigned(Temp) then + FreeMem(Temp); + raise; + end; +end; + +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapCubeMap//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.AfterConstruction; +begin + inherited; + +{$IFNDEF OPENGL_ES} + if not (GL_VERSION_1_3 or GL_ARB_texture_cube_map or GL_EXT_texture_cube_map) then + raise EglBitmap.Create('TglBitmapCubeMap.AfterConstruction - CubeMaps are unsupported.'); +{$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; +{$ENDIF} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.UploadData(const aDataObj: TglBitmapData; const aCheckSize: Boolean); +begin + Assert(false, 'TglBitmapCubeMap.UploadData - Don''t call UploadData directly, use UploadCubeMap instead'); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.UploadCubeMap(const aDataObj: TglBitmapData; const aCubeTarget: Cardinal; const aCheckSize: Boolean); +var + {$IFNDEF OPENGL_ES} + BuildWithGlu: Boolean; + {$ENDIF} + TexSize: Integer; +begin + if (aCheckSize) then begin + glGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, @TexSize); + + if (aDataObj.Width > TexSize) or (aDataObj.Height > TexSize) then + raise EglBitmapSizeToLarge.Create('TglBitmapCubeMap.GenerateCubeMap - The size for the Cubemap is to large. It''s may be not conform with the Hardware.'); + +{$IF NOT 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.'); +{$IFEND} + end; + + if (fID = 0) then + CreateID; + SetupParameters({$IFNDEF OPENGL_ES}BuildWithGlu{$ENDIF}); + UploadDataIntern(aDataObj, aCubeTarget{$IFNDEF OPENGL_ES}, BuildWithGlu{$ENDIF}); + + inherited UploadData(aDataObj, aCheckSize); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - procedure TglBitmapCubeMap.Bind({$IFNDEF OPENGL_ES}const aEnableTexCoordsGen: Boolean;{$ENDIF} const aEnableTextureUnit: Boolean); ++procedure TglBitmapCubeMap.Bind({$IFNDEF OPENGL_ES}const aEnableTexCoordsGen: Boolean; const aEnableTextureUnit: Boolean{$ENDIF}); +begin - inherited Bind (aEnableTextureUnit); ++ inherited Bind({$IFNDEF OPENGL_ES}aEnableTextureUnit{$ENDIF}); +{$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; +{$ENDIF} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - procedure TglBitmapCubeMap.Unbind({$IFNDEF OPENGL_ES}const aDisableTexCoordsGen: Boolean;{$ENDIF} const aDisableTextureUnit: Boolean); ++procedure TglBitmapCubeMap.Unbind({$IFNDEF OPENGL_ES}const aDisableTexCoordsGen: Boolean; const aDisableTextureUnit: Boolean{$ENDIF}); +begin - inherited Unbind(aDisableTextureUnit); ++ inherited Unbind({$IFNDEF OPENGL_ES}aDisableTextureUnit{$ENDIF}); +{$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} + +{$IF NOT DEFINED(OPENGL_ES) OR DEFINED(OPENGL_ES_2_0)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapNormalMap////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +type + TVec = Array[0..2] of Single; + TglBitmapNormalMapGetVectorFunc = procedure (out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); + + PglBitmapNormalMapRec = ^TglBitmapNormalMapRec; + TglBitmapNormalMapRec = record + HalfSize : Integer; + Func: TglBitmapNormalMapGetVectorFunc; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := - (aPosition.X + 0.5 - aHalfSize); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := - aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := aPosition.X + 0.5 - aHalfSize; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := aHalfSize; + aVec[2] := aPosition.Y + 0.5 - aHalfSize; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := - aHalfSize; + aVec[2] := - (aPosition.Y + 0.5 - aHalfSize); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := aHalfSize; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := - (aPosition.X + 0.5 - aHalfSize); + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := - aHalfSize; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapFunc(var FuncRec: TglBitmapFunctionRec); +var + i: Integer; + Vec: TVec; + Len: Single; +begin + with FuncRec do begin + with PglBitmapNormalMapRec(Args)^ do begin + Func(Vec, Position, HalfSize); + + // 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; + + // Scale Vector and AddVectro + Vec[0] := Vec[0] * 0.5 + 0.5; + Vec[1] := Vec[1] * 0.5 + 0.5; + Vec[2] := Vec[2] * 0.5 + 0.5; + end; + + // Set Color + 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; +{$ENDIF} +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapNormalMap.GenerateNormalMap(const aSize: Integer; const aCheckSize: Boolean); +var + Rec: TglBitmapNormalMapRec; + SizeRec: TglBitmapSize; + DataObj: TglBitmapData; +begin + Rec.HalfSize := aSize div 2; + + SizeRec.Fields := [ffX, ffY]; + SizeRec.X := aSize; + SizeRec.Y := aSize; + + DataObj := TglBitmapData.Create; + try + // Positive X + Rec.Func := glBitmapNormalMapPosX; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_POSITIVE_X, aCheckSize); + + // Negative X + Rec.Func := glBitmapNormalMapNegX; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, aCheckSize); + + // Positive Y + Rec.Func := glBitmapNormalMapPosY; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, aCheckSize); + + // Negative Y + Rec.Func := glBitmapNormalMapNegY; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, aCheckSize); + + // Positive Z + Rec.Func := glBitmapNormalMapPosZ; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, aCheckSize); + + // Negative Z + Rec.Func := glBitmapNormalMapNegZ; + DataObj.LoadFromFunc(SizeRec, tfBGR8ub3, glBitmapNormalMapFunc, @Rec); + UploadCubeMap(DataObj, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, aCheckSize); + finally + FreeAndNil(DataObj); + end; +end; +{$IFEND} + +initialization + glBitmapSetDefaultFormat (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); + + TFormatDescriptor.Init; + +finalization + TFormatDescriptor.Finalize; + +end.