modified by Delphi OpenGL Community (http://delphigl.com/)
-
------------------------------------------------------------
The contents of this file are used with permission, subject to
the Mozilla Public License Version 1.1 (the "License"); you may
***********************************************************}
unit glBitmap;
-{.$MESSAGE warn 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'}
// Please uncomment the defines below to configure the glBitmap to your preferences.
// If you have configured the unit you can uncomment the warning above.
+{$MESSAGE warn 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Preferences ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// use dglOpenGL.pas if not enabled
{.$DEFINE GLB_NATIVE_OGL_DYNAMIC}
+
// activate to enable the support for SDL_surfaces
{.$DEFINE GLB_SDL}
// activate to enable the support for TBitmap from Delphi (not lazarus)
{.$DEFINE GLB_DELPHI}
+// activate to enable the support for TLazIntfImage from Lazarus
+{$DEFINE GLB_LAZARUS}
+
+
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// activate to enable the support of SDL_image to load files. (READ ONLY)
// If you enable SDL_image all other libraries will be ignored!
{.$DEFINE GLB_SDL_IMAGE}
-// PNG /////////////////////////////////////////////////////////////////////////////////////////////
+
+
// activate to enable png support with the unit pngimage -> http://pngdelphi.sourceforge.net/
// if you enable pngimage the libPNG will be ignored
{.$DEFINE GLB_PNGIMAGE}
// You will need an aditional header -> http://www.opengl24.de/index.php?cat=header&file=libpng
{.$DEFINE GLB_LIB_PNG}
-// JPEG ////////////////////////////////////////////////////////////////////////////////////////////
+
+
// if you enable delphi jpegs the libJPEG will be ignored
{.$DEFINE GLB_DELPHI_JPEG}
// activate to use the libJPEG -> http://www.ijg.org/
// You will need an aditional header -> http://www.opengl24.de/index.php?cat=header&file=libjpeg
-{$DEFINE GLB_LIB_JPEG}
+{.$DEFINE GLB_LIB_JPEG}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
{$ENDIF}
// Operation System
-{$IF DEFINED(WIN32) or DEFINED(WIN64)}
+{$IF DEFINED(WIN32) or DEFINED(WIN64) or DEFINED(WINDOWS)}
{$DEFINE GLB_WIN}
{$ELSEIF DEFINED(LINUX)}
{$DEFINE GLB_LINUX}
// native OpenGL
{$IF DEFINED(GLB_NATIVE_OGL_STATIC) AND DEFINED(GLB_NATIVE_OGL_DYNAMIC)}
{$MESSAGE warn 'GLB_NATIVE_OGL_STATIC will be ignored because you enabled GLB_NATIVE_OGL_DYNAMIC'}
-{$ENDIF}
+{$IFEND}
// general options
{$EXTENDEDSYNTAX ON}
interface
uses
- {$IFNDEF GLB_NATIVE_OGL} dglOpenGL, {$ENDIF}
+ {$IFNDEF GLB_NATIVE_OGL} dglOpenGL, {$ENDIF}
{$IF DEFINED(GLB_WIN) AND
- DEFINED(GLB_NATIVE_OGL)} windows, {$IFEND}
+ DEFINED(GLB_NATIVE_OGL)} windows, {$IFEND}
- {$IFDEF GLB_SDL} SDL, {$ENDIF}
- {$IFDEF GLB_DELPHI} Dialogs, Graphics, {$ENDIF}
+ {$IFDEF GLB_SDL} SDL, {$ENDIF}
+ {$IFDEF GLB_LAZARUS} IntfGraphics, GraphType, {$ENDIF}
+ {$IFDEF GLB_DELPHI} Dialogs, Graphics, {$ENDIF}
- {$IFDEF GLB_SDL_IMAGE} SDL_image, {$ENDIF}
+ {$IFDEF GLB_SDL_IMAGE} SDL_image, {$ENDIF}
- {$IFDEF GLB_PNGIMAGE} pngimage, {$ENDIF}
- {$IFDEF GLB_LIB_PNG} libPNG, {$ENDIF}
+ {$IFDEF GLB_PNGIMAGE} pngimage, {$ENDIF}
+ {$IFDEF GLB_LIB_PNG} libPNG, {$ENDIF}
- {$IFDEF GLB_DELPHI_JPEG} JPEG, {$ENDIF}
- {$IFDEF GLB_LIB_JPEG} libJPEG, {$ENDIF}
+ {$IFDEF GLB_DELPHI_JPEG} JPEG, {$ENDIF}
+ {$IFDEF GLB_LIB_JPEG} libJPEG, {$ENDIF}
Classes, SysUtils;
-{$IFNDEF GLB_DELPHI}
-type
- HGLRC = Cardinal;
- DWORD = Cardinal;
- PDWORD = ^DWORD;
-
- TRGBQuad = packed record
- rgbBlue: Byte;
- rgbGreen: Byte;
- rgbRed: Byte;
- rgbReserved: Byte;
- end;
-{$ENDIF}
-
{$IFDEF GLB_NATIVE_OGL}
const
GL_TRUE = 1;
GL_TEXTURE_MAX_ANISOTROPY_EXT = $84FE;
GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT = $84FF;
-{$ifdef LINUX}
- libglu = 'libGLU.so.1';
- libopengl = 'libGL.so.1';
-{$else}
+{$IF DEFINED(GLB_WIN)}
libglu = 'glu32.dll';
libopengl = 'opengl32.dll';
-{$endif}
+{$ELSEIF DEFINED(GLB_LINUX)}
+ libglu = 'libGLU.so.1';
+ libopengl = 'libGL.so.1';
+{$IFEND}
type
GLboolean = BYTEBOOL;
TglCompressedTexImage2D = procedure(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF}
TglGetCompressedTexImage = procedure(target: GLenum; level: GLint; img: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF}
+{$IF DEFINED(GLB_WIN)}
+ TwglGetProcAddress = function (ProcName: PAnsiChar): Pointer; stdcall;
+{$ELSEIF DEFINED(GLB_LINUX)}
+ TglXGetProcAddress = function(ProcName: PAnsiChar): Pointer; cdecl;
+ TglXGetProcAddressARB = function(const name: PAnsiChar): pointer; cdecl;
+{$IFEND}
+
{$IF DEFINED(GLB_NATIVE_OGL_DYNAMIC)}
TglEnable = procedure(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF}
TglDisable = procedure(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF}
TgluBuild1DMipmaps = function(target: GLEnum; components, width: GLint; format, atype: GLEnum; const data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF}
TgluBuild2DMipmaps = function(target: GLEnum; components, width, height: GLint; format, atype: GLEnum; const Data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF}
- {$IFDEF GLB_LINUX}
- TglXGetProcAddress = function(ProcName: PAnsiChar): Pointer; cdecl;
- {$ELSE}
- TwglGetProcAddress = function (ProcName: PAnsiChar): Pointer; stdcall;
- {$ENDIF}
-
{$ELSEIF DEFINED(GLB_NATIVE_OGL_STATIC)}
procedure glEnable(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl;
procedure glDisable(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl;
function gluBuild1DMipmaps(target: GLEnum; components, width: GLint; format, atype: GLEnum; const data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libglu;
function gluBuild2DMipmaps(target: GLEnum; components, width, height: GLint; format, atype: GLEnum; const Data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libglu;
-{$ENDIF}
+{$IFEND}
var
GL_VERSION_1_2,
glCompressedTexImage2D: TglCompressedTexImage2D;
glGetCompressedTexImage: TglGetCompressedTexImage;
+{$IF DEFINED(GLB_WIN)}
+ wglGetProcAddress: TwglGetProcAddress;
+{$ELSEIF DEFINED(GLB_LINUX)}
+ glXGetProcAddress: TglXGetProcAddress;
+ glXGetProcAddressARB: TglXGetProcAddress;
+{$IFEND}
+
{$IFDEF GLB_NATIVE_OGL_DYNAMIC}
glEnable: TglEnable;
glDisable: TglDisable;
gluBuild1DMipmaps: TgluBuild1DMipmaps;
gluBuild2DMipmaps: TgluBuild2DMipmaps;
-
- {$IF DEFINED(GLB_WIN)}
- wglGetProcAddress: TwglGetProcAddress;
- {$ELSEIF DEFINED(GLB_LINUX)}
- glXGetProcAddress: TglXGetProcAddress;
- glXGetProcAddressARB: TglXGetProcAddressARB;
- {$ENDIF}
-{$ENDIF}
-
-(*
-{$IFDEF GLB_DELPHI}
-var
- gLastContext: HGLRC;
{$ENDIF}
-*)
-
{$ENDIF}
type
EglBitmapSizeToLargeException = class(EglBitmapException);
EglBitmapNonPowerOfTwoException = class(EglBitmapException);
EglBitmapUnsupportedFormat = class(EglBitmapException)
- constructor Create(const aFormat: TglBitmapFormat);
+ constructor Create(const aFormat: TglBitmapFormat); overload;
+ constructor Create(const aMsg: String; const aFormat: TglBitmapFormat); overload;
end;
////////////////////////////////////////////////////////////////////////////////////////////////////
procedure CreateID;
procedure SetupParameters(out aBuildWithGlu: Boolean);
- procedure SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat;
- const aWidth: Integer = -1; const aHeight: Integer = -1); virtual;
+ procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat;
+ const aWidth: Integer = -1; const aHeight: Integer = -1); virtual; //be careful, aData could be freed by this method
procedure GenTexture(const aTestTextureSize: Boolean = true); virtual; abstract;
function FlipHorz: Boolean; virtual;
procedure AfterConstruction; override;
procedure BeforeDestruction; override;
+ procedure PrepareResType(var aResource: String; var aResType: PChar);
+
//Load
procedure LoadFromFile(const aFilename: String);
procedure LoadFromStream(const aStream: TStream); virtual;
procedure LoadFromFunc(const aSize: TglBitmapPixelPosition; const aFunc: TglBitmapFunction;
const aFormat: TglBitmapFormat; const aArgs: Pointer = nil);
- {$IFDEF GLB_DELPHI}
- procedure LoadFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil);
- procedure LoadFromResourceID(const sInstance: Cardinal; const aResourceID: Integer; const aResType: PChar);
- {$ENDIF}
+ procedure LoadFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar = nil);
+ procedure LoadFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar);
//Save
procedure SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType);
function AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean;
function AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction = nil;
const aArgs: Pointer = nil): Boolean;
- function AddAlphaFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil;
+ {$ENDIF}
+
+ {$IFDEF GLB_LAZARUS}
+ function AssignToLazIntfImage(const aImage: TLazIntfImage): Boolean;
+ function AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean;
+ function AssignAlphaToLazIntfImage(const aImage: TLazIntfImage): Boolean;
+ function AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction = nil;
+ const aArgs: Pointer = nil): Boolean;
+ {$ENDIF}
+
+ function AddAlphaFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar = nil;
const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean;
function AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar;
const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean;
- {$ENDIF}
function AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer = nil): Boolean; virtual;
function AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean;
constructor Create(const aStream: TStream); overload;
constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat); overload;
constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer = nil); overload;
- {$IFDEF GLB_DELPHI}
constructor Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil); overload;
constructor Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); overload;
- {$ENDIF}
private
{$IFDEF GLB_SUPPORT_PNG_READ} function LoadPNG(const aStream: TStream): Boolean; virtual; {$ENDIF}
{$ifdef GLB_SUPPORT_PNG_WRITE} procedure SavePNG(const aStream: TStream); virtual; {$ENDIF}
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ TglBitmap1D = class(TglBitmap)
+ protected
+ procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat;
+ const aWidth: Integer = - 1; const aHeight: Integer = - 1); override;
+ procedure UploadData(const aBuildWithGlu: Boolean);
+ public
+ property Width;
+ procedure AfterConstruction; override;
+ function FlipHorz: Boolean; override;
+ procedure GenTexture(const aTestTextureSize: Boolean = true); override;
+ end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
TglBitmap2D = class(TglBitmap)
protected
- // Bildeinstellungen
fLines: array of PByte;
-
- (* TODO
- procedure GetDXTColorBlock(pData: pByte; relX, relY: Integer; var Pixel: TglBitmapPixelData);
- procedure GetPixel2DDXT1(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData);
- procedure GetPixel2DDXT3(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData);
- procedure GetPixel2DDXT5(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData);
- procedure GetPixel2DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData);
- procedure SetPixel2DUnmap(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData);
- *)
-
function GetScanline(const aIndex: Integer): Pointer;
- procedure SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat;
+ procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat;
const aWidth: Integer = - 1; const aHeight: Integer = - 1); override;
- procedure UploadData(const aTarget: Cardinal; const aBuildWithGlu: Boolean);
+ procedure UploadData(const aTarget: GLenum; const aBuildWithGlu: Boolean);
public
property Width;
property Height;
const aScale: Single = 2; const aUseAlpha: Boolean = false);
end;
-(* TODO
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
TglBitmapCubeMap = class(TglBitmap2D)
protected
fGenMode: Integer;
-
- // Hide GenTexture
- procedure GenTexture(TestTextureSize: Boolean = true); reintroduce;
+ procedure GenTexture(const aTestTextureSize: Boolean = true); reintroduce;
public
procedure AfterConstruction; override;
-
- procedure GenerateCubeMap(CubeTarget: Cardinal; TestTextureSize: Boolean = true);
-
- procedure Unbind(DisableTexCoordsGen: Boolean = true; DisableTextureUnit: Boolean = true); reintroduce; virtual;
- procedure Bind(EnableTexCoordsGen: Boolean = true; EnableTextureUnit: Boolean = true); reintroduce; virtual;
+ procedure GenerateCubeMap(const aCubeTarget: Cardinal; const aTestTextureSize: Boolean = true);
+ procedure Bind(const aEnableTexCoordsGen: Boolean = true; const aEnableTextureUnit: Boolean = true); reintroduce; virtual;
+ procedure Unbind(const aDisableTexCoordsGen: Boolean = true; const aDisableTextureUnit: Boolean = true); reintroduce; virtual;
end;
-
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
TglBitmapNormalMap = class(TglBitmapCubeMap)
public
procedure AfterConstruction; override;
-
- procedure GenerateNormalMap(Size: Integer = 32; TestTextureSize: Boolean = true);
- end;
-
-
- TglBitmap1D = class(TglBitmap)
- protected
- procedure GetPixel1DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData);
-
- procedure SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width: Integer = -1; Height: Integer = -1); override;
- procedure UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean);
- public
- // propertys
- property Width;
-
- procedure AfterConstruction; override;
-
- // Other
- function FlipHorz: Boolean; override;
-
- // Generation
- procedure GenTexture(TestTextureSize: Boolean = true); override;
+ procedure GenerateNormalMap(const aSize: Integer = 32; const aTestTextureSize: Boolean = true);
end;
-*)
const
NULL_SIZE: TglBitmapPixelPosition = (Fields: []; X: 0; Y: 0);
implementation
-
- (* TODO
- function FormatIsCompressed(Format: TglBitmapInternalFormat): boolean;
- function FormatIsUncompressed(Format: TglBitmapInternalFormat): boolean;
- function LoadTexture(Filename: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$ENDIF}): Boolean;
- function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$ENDIF}): Boolean;
- function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean;
- *)
-
uses
Math, syncobjs, typinfo;
type
+{$IFNDEF fpc}
+ QWord = System.UInt64;
+ PQWord = ^QWord;
+
+ PtrInt = Longint;
+ PtrUInt = DWord;
+{$ENDIF}
+
////////////////////////////////////////////////////////////////////////////////////////////////////
TShiftRec = packed record
case Integer of
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 GetSize(const aSize: TglBitmapPixelPosition): Integer; virtual; overload;
- function GetSize(const aWidth, aHeight: Integer): Integer; virtual; overload;
+ function GetSize(const aSize: TglBitmapPixelPosition): Integer; overload; virtual;
+ function GetSize(const aWidth, aHeight: Integer): Integer; overload; virtual;
function CreateMappingData: Pointer; virtual;
procedure FreeMappingData(var aMappingData: Pointer); virtual;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
constructor EglBitmapUnsupportedFormat.Create(const aFormat: TglBitmapFormat);
begin
- inherited Create(GetEnumName(TypeInfo(TglBitmapFormat), Integer(aFormat)));
+ 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 glbGetProcAddress(aProcName: PChar; aLibHandle: Pointer = nil): Pointer;
begin
- result := nil;
-
if not Assigned(aLibHandle) then
aLibHandle := GL_LibHandle;
end;
result := dlsym(aLibHandle, aProcName);
-{$ENDIF}
+{$IFEND}
if not Assigned(result) then
raise EglBitmapException.Create('unable to load procedure form library: ' + aProcName);
end;
result := dlopen(Name, RTLD_LAZY);
{$ELSE}
result := nil;
- {$ENDIF}
+ {$IFEND}
end;
////////////////////////////////////////////////////////////////////////////////
Result := FreeLibrary({%H-}HINST(aLibHandle));
{$ELSEIF DEFINED(GLB_LINUX)}
Result := dlclose(aLibHandle) = 0;
- {$ENDIF}
+ {$IFEND}
end;
begin
wglGetProcAddress := glbGetProcAddress('wglGetProcAddress');
{$ELSEIF DEFINED(GLB_LINUX)}
glXGetProcAddress := glbGetProcAddress('glXGetProcAddress');
- glXGetProcAddressARB := dglGetProcAddress('glXGetProcAddressARB');
- {$ENDIF}
+ glXGetProcAddressARB := glbGetProcAddress('glXGetProcAddressARB');
+ {$IFEND}
glEnable := glbGetProcAddress('glEnable');
glDisable := glbGetProcAddress('glDisable');
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glbReadOpenGLExtensions;
var
- {$IFDEF GLB_DELPHI}
- Context: HGLRC;
- {$ENDIF}
Buffer: AnsiString;
MajorVersion, MinorVersion: Integer;
end;
{$ENDIF}
-{$IFDEF GLB_DELPHI}
- Context := wglGetCurrentContext;
- if (Context <> gLastContext) then begin
- gLastContext := Context;
-{$ENDIF}
-
- // Version
- Buffer := glGetString(GL_VERSION);
- TrimVersionString(Buffer, MajorVersion, MinorVersion);
-
- GL_VERSION_1_2 := false;
- GL_VERSION_1_3 := false;
- GL_VERSION_1_4 := false;
- GL_VERSION_2_0 := false;
- if MajorVersion = 1 then begin
- if MinorVersion >= 2 then
- GL_VERSION_1_2 := true;
+ // Version
+ Buffer := glGetString(GL_VERSION);
+ TrimVersionString(Buffer, MajorVersion, MinorVersion);
- if MinorVersion >= 3 then
- GL_VERSION_1_3 := true;
-
- if MinorVersion >= 4 then
- GL_VERSION_1_4 := true;
- end else if MajorVersion >= 2 then begin
+ GL_VERSION_1_2 := false;
+ GL_VERSION_1_3 := false;
+ GL_VERSION_1_4 := false;
+ GL_VERSION_2_0 := false;
+ if MajorVersion = 1 then begin
+ if MinorVersion >= 2 then
GL_VERSION_1_2 := true;
- GL_VERSION_1_3 := true;
- GL_VERSION_1_4 := true;
- GL_VERSION_2_0 := true;
- end;
-
- // Extensions
- Buffer := glGetString(GL_EXTENSIONS);
- GL_ARB_texture_border_clamp := CheckExtension('GL_ARB_texture_border_clamp');
- GL_ARB_texture_non_power_of_two := CheckExtension('GL_ARB_texture_non_power_of_two');
- GL_ARB_texture_rectangle := CheckExtension('GL_ARB_texture_rectangle');
- GL_ARB_texture_mirrored_repeat := CheckExtension('GL_ARB_texture_mirrored_repeat');
- GL_EXT_texture_edge_clamp := CheckExtension('GL_EXT_texture_edge_clamp');
- GL_EXT_texture_filter_anisotropic := CheckExtension('GL_EXT_texture_filter_anisotropic');
- GL_EXT_texture_rectangle := CheckExtension('GL_EXT_texture_rectangle');
- GL_NV_texture_rectangle := CheckExtension('GL_NV_texture_rectangle');
- GL_IBM_texture_mirrored_repeat := CheckExtension('GL_IBM_texture_mirrored_repeat');
- GL_SGIS_generate_mipmap := CheckExtension('GL_SGIS_generate_mipmap');
-
- if GL_VERSION_1_3 then begin
- glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1D');
- glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2D');
- glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImage');
- end else begin
- glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1DARB');
- glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2DARB');
- glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImageARB');
- end;
-{$IFDEF GLB_DELPHI}
- end;
-{$ENDIF}
-end;
-{$ENDIF}
-(* TODO GLB_DELPHI
-{$IFDEF GLB_DELPHI}
-function CreateGrayPalette: HPALETTE;
-var
- Idx: Integer;
- Pal: PLogPalette;
-begin
- GetMem(Pal, SizeOf(TLogPalette) + (SizeOf(TPaletteEntry) * 256));
-
- Pal.palVersion := $300;
- Pal.palNumEntries := 256;
-
- {$IFOPT R+}
- {$DEFINE GLB_TEMPRANGECHECK}
- {$R-}
- {$ENDIF}
+ if MinorVersion >= 3 then
+ GL_VERSION_1_3 := true;
- for Idx := 0 to 256 - 1 do begin
- Pal.palPalEntry[Idx].peRed := Idx;
- Pal.palPalEntry[Idx].peGreen := Idx;
- Pal.palPalEntry[Idx].peBlue := Idx;
- Pal.palPalEntry[Idx].peFlags := 0;
+ if MinorVersion >= 4 then
+ GL_VERSION_1_4 := true;
+ end else if MajorVersion >= 2 then begin
+ GL_VERSION_1_2 := true;
+ GL_VERSION_1_3 := true;
+ GL_VERSION_1_4 := true;
+ GL_VERSION_2_0 := true;
+ end;
+
+ // Extensions
+ Buffer := glGetString(GL_EXTENSIONS);
+ GL_ARB_texture_border_clamp := CheckExtension('GL_ARB_texture_border_clamp');
+ GL_ARB_texture_non_power_of_two := CheckExtension('GL_ARB_texture_non_power_of_two');
+ GL_ARB_texture_rectangle := CheckExtension('GL_ARB_texture_rectangle');
+ GL_ARB_texture_mirrored_repeat := CheckExtension('GL_ARB_texture_mirrored_repeat');
+ GL_EXT_texture_edge_clamp := CheckExtension('GL_EXT_texture_edge_clamp');
+ GL_EXT_texture_filter_anisotropic := CheckExtension('GL_EXT_texture_filter_anisotropic');
+ GL_EXT_texture_rectangle := CheckExtension('GL_EXT_texture_rectangle');
+ GL_NV_texture_rectangle := CheckExtension('GL_NV_texture_rectangle');
+ GL_IBM_texture_mirrored_repeat := CheckExtension('GL_IBM_texture_mirrored_repeat');
+ GL_SGIS_generate_mipmap := CheckExtension('GL_SGIS_generate_mipmap');
+
+ if GL_VERSION_1_3 then begin
+ glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1D');
+ glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2D');
+ glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImage');
+ end else begin
+ glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1DARB');
+ glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2DARB');
+ glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImageARB');
end;
-
- {$IFDEF GLB_TEMPRANGECHECK}
- {$UNDEF GLB_TEMPRANGECHECK}
- {$R+}
- {$ENDIF}
-
- result := CreatePalette(Pal^);
-
- FreeMem(Pal);
end;
{$ENDIF}
-*)
{$IFDEF GLB_SDL_IMAGE}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
end;
{$ENDIF}
-(* TODO LoadFuncs
-function LoadTexture(Filename: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal{$ENDIF}): Boolean;
-var
- glBitmap: TglBitmap2D;
-begin
- result := false;
- Texture := 0;
-
- {$IFDEF GLB_DELPHI}
- if Instance = 0 then
- Instance := HInstance;
-
- if (LoadFromRes) then
- glBitmap := TglBitmap2D.CreateFromResourceName(Instance, FileName)
- else
- {$ENDIF}
- glBitmap := TglBitmap2D.Create(FileName);
-
- try
- glBitmap.DeleteTextureOnFree := false;
- glBitmap.FreeDataAfterGenTexture := false;
- glBitmap.GenTexture(true);
- if (glBitmap.ID > 0) then begin
- Texture := glBitmap.ID;
- result := true;
- end;
- finally
- glBitmap.Free;
- end;
-end;
-
-function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal{$ENDIF}): Boolean;
-var
- CM: TglBitmapCubeMap;
-begin
- Texture := 0;
-
- {$IFDEF GLB_DELPHI}
- if Instance = 0 then
- Instance := HInstance;
- {$ENDIF}
-
- CM := TglBitmapCubeMap.Create;
- try
- CM.DeleteTextureOnFree := false;
-
- // Maps
- {$IFDEF GLB_DELPHI}
- if (LoadFromRes) then
- CM.LoadFromResource(Instance, PositiveX)
- else
- {$ENDIF}
- CM.LoadFromFile(PositiveX);
- CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_X);
-
- {$IFDEF GLB_DELPHI}
- if (LoadFromRes) then
- CM.LoadFromResource(Instance, NegativeX)
- else
- {$ENDIF}
- CM.LoadFromFile(NegativeX);
- CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_X);
-
- {$IFDEF GLB_DELPHI}
- if (LoadFromRes) then
- CM.LoadFromResource(Instance, PositiveY)
- else
- {$ENDIF}
- CM.LoadFromFile(PositiveY);
- CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Y);
-
- {$IFDEF GLB_DELPHI}
- if (LoadFromRes) then
- CM.LoadFromResource(Instance, NegativeY)
- else
- {$ENDIF}
- CM.LoadFromFile(NegativeY);
- CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y);
-
- {$IFDEF GLB_DELPHI}
- if (LoadFromRes) then
- CM.LoadFromResource(Instance, PositiveZ)
- else
- {$ENDIF}
- CM.LoadFromFile(PositiveZ);
- CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Z);
-
- {$IFDEF GLB_DELPHI}
- if (LoadFromRes) then
- CM.LoadFromResource(Instance, NegativeZ)
- else
- {$ENDIF}
- CM.LoadFromFile(NegativeZ);
- CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z);
-
- Texture := CM.ID;
- result := true;
- finally
- CM.Free;
- end;
-end;
-
-function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean;
-var
- NM: TglBitmapNormalMap;
-begin
- Texture := 0;
-
- NM := TglBitmapNormalMap.Create;
- try
- NM.DeleteTextureOnFree := false;
- NM.GenerateNormalMap(Size);
-
- Texture := NM.ID;
- result := true;
- finally
- NM.Free;
- end;
-end;
-*)
-
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean);
begin
function TFormatDescriptor.MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: QWord): Boolean;
begin
result := false;
-
if (aRedMask = 0) and (aGreenMask = 0) and (aBlueMask = 0) and (aAlphaMask = 0) then
raise EglBitmapException.Create('FormatCheckFormat - All Masks are 0');
-
if (aRedMask <> RedMask) then
exit;
if (aGreenMask <> GreenMask) then
aPixel.Data.g := 0;
aPixel.Data.b := 0;
aPixel.Data.a := aData^;
- inc(aData^);
+ inc(aData);
end;
constructor TfdAlpha_UB1.Create;
aData^ := 0;
d := LuminanceWeight(aPixel) and Range.r;
aData^ := aData^ or (d shl (4 - {%H-}PtrUInt(aMapData)));
- inc(aMapData, 4);
+ inc(PByte(aMapData), 4);
if ({%H-}PtrUInt(aMapData) >= 8) then begin
inc(aData);
aMapData := nil;
f := fPixelSize - s;
bits := Round(8 * f);
case s of
- 0: idx := (aData^ shr (8 - bits - {%H-}PtrUInt(aMapData))) and ((1 shl bits) - 1);
+ 0: idx := (aData^ shr (8 - bits - {%H-}PtrInt(aMapData))) and ((1 shl bits) - 1);
1: idx := aData^;
2: idx := PWord(aData)^;
4: idx := PCardinal(aData)^;
aPixel.Data.b := b;
aPixel.Data.a := a;
end;
- inc(aMapData, bits);
+ inc(PByte(aMapData), bits);
if ({%H-}PtrUInt(aMapData) >= 8) then begin
inc(aData, 1);
- dec(aMapData, 8);
+ dec(PByte(aMapData), 8);
end;
inc(aData, s);
end;
exit;
if TFormatDescriptor.Get(Format).PixelSize <> TFormatDescriptor.Get(aValue).PixelSize then
raise EglBitmapUnsupportedFormat.Create(Format);
- SetDataPointer(Data, aValue, Width, Height);
+ SetDataPointer(fData, aValue, Width, Height); //be careful, Data could be freed by this method
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TglBitmap.SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat;
+procedure TglBitmap.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat;
const aWidth: Integer; const aHeight: Integer);
var
s: Single;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmap.BeforeDestruction;
+var
+ NewData: PByte;
begin
- SetDataPointer(nil, tfEmpty);
+ NewData := nil;
+ SetDataPointer(NewData, tfEmpty); //be careful, Data could be freed by this method
if (fID > 0) and fDeleteTextureOnFree then
glDeleteTextures(1, @fID);
inherited BeforeDestruction;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmap.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 TglBitmap.LoadFromFile(const aFilename: String);
var
fs: TFileStream;
GetMem(tmpData, size);
try
FillChar(tmpData^, size, #$FF);
- SetDataPointer(tmpData, aFormat, aSize.X, aSize.Y);
+ SetDataPointer(tmpData, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method
except
- FreeMem(tmpData);
+ if Assigned(tmpData) then
+ FreeMem(tmpData);
raise;
end;
AddFunc(Self, aFunc, false, Format, aArgs);
end;
-{$IFDEF GLB_DELPHI}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TglBitmap.LoadFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil);
+procedure TglBitmap.LoadFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar);
var
rs: TResourceStream;
- TempPos: Integer;
- ResTypeStr: String;
- TempResType: PChar;
-begin
- if not Assigned(ResType) then begin
- TempPos := Pos('.', Resource);
- ResTypeStr := UpperCase(Copy(Resource, TempPos + 1, Length(Resource) - TempPos));
- Resource := UpperCase(Copy(Resource, 0, TempPos -1));
- TempResType := PChar(ResTypeStr);
- end else
- TempResType := ResType
-
- rs := TResourceStream.Create(Instance, Resource, TempResType);
+begin
+ PrepareResType(aResource, aResType);
+ rs := TResourceStream.Create(aInstance, aResource, aResType);
try
LoadFromStream(rs);
finally
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TglBitmap.LoadFromResourceID(const sInstance: Cardinal; const aResourceID: Integer; const aResType: PChar);
+procedure TglBitmap.LoadFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar);
var
rs: TResourceStream;
begin
- rs := TResourceStream.CreateFromID(Instance, ResourceID, ResType);
+ rs := TResourceStream.CreateFromID(aInstance, aResourceID, aResType);
try
LoadFromStream(rs);
finally
rs.Free;
end;
end;
-{$ENDIF}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmap.SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType);
SourceFD := TFormatDescriptor.Get(aSource.Format);
DestFD := TFormatDescriptor.Get(aFormat);
+ if (SourceFD.IsCompressed) then
+ raise EglBitmapUnsupportedFormat.Create('compressed formats are not supported: ', SourceFD.Format);
+ if (DestFD.IsCompressed) then
+ raise EglBitmapUnsupportedFormat.Create('compressed formats are not supported: ', DestFD.Format);
+
// inkompatible Formats so CreateTemp
if (SourceFD.PixelSize <> DestFD.PixelSize) then
aCreateTemp := true;
TmpData := nil;
if aCreateTemp then begin
- GetMem(TmpData, TFormatDescriptor.Get(aFormat).GetSize(TempWidth, TempHeight));
+ GetMem(TmpData, DestFD.GetSize(TempWidth, TempHeight));
DestData := TmpData;
end else
DestData := Data;
// Updating Image or InternalFormat
if aCreateTemp then
- SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height)
+ SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height) //be careful, Data could be freed by this method
else if (aFormat <> fFormat) then
Format := aFormat;
DestFD.FreeMappingData(DestMD);
end;
except
- if aCreateTemp then
+ if aCreateTemp and Assigned(TmpData) then
FreeMem(TmpData);
raise;
end;
Inc(pTempData, RowSize);
end;
end;
- SetDataPointer(pData, IntFormat, TempWidth, TempHeight);
+ SetDataPointer(pData, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(pData);
+ if Assigned(pData) then
+ FreeMem(pData);
raise;
end;
end;
{$ENDIF}
{$IFDEF GLB_DELPHI}
-//TODO rework & test
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+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 TglBitmap.AssignToBitmap(const aBitmap: TBitmap): Boolean;
var
aBitmap.Height := Height;
case Format of
- tfAlpha8, ifLuminance, ifDepth8:
- begin
- Bitmap.PixelFormat := pf8bit;
- Bitmap.Palette := CreateGrayPalette;
- end;
- ifRGB5A1:
- Bitmap.PixelFormat := pf15bit;
- ifR5G6B5:
- Bitmap.PixelFormat := pf16bit;
- ifRGB8, ifBGR8:
- Bitmap.PixelFormat := pf24bit;
- ifRGBA8, ifBGRA8:
- Bitmap.PixelFormat := pf32bit;
- else
- raise EglBitmapException.Create('AssignToBitmap - Invalid Pixelformat.');
+ tfAlpha8, tfLuminance8: begin
+ aBitmap.PixelFormat := pf8bit;
+ aBitmap.Palette := CreateGrayPalette;
+ end;
+ tfRGB5A1:
+ aBitmap.PixelFormat := pf15bit;
+ tfR5G6B5:
+ aBitmap.PixelFormat := pf16bit;
+ tfRGB8, tfBGR8:
+ aBitmap.PixelFormat := pf24bit;
+ tfRGBA8, tfBGRA8:
+ aBitmap.PixelFormat := pf32bit;
+ else
+ raise EglBitmapException.Create('AssignToBitmap - Invalid Pixelformat.');
end;
pSource := Data;
for Row := 0 to FileHeight -1 do begin
- pData := Bitmap.Scanline[Row];
-
+ pData := aBitmap.Scanline[Row];
Move(pSource^, pData^, fRowSize);
Inc(pSource, fRowSize);
-
- // swap RGB(A) to BGR(A)
- if InternalFormat in [ifRGB8, ifRGBA8] then
- SwapRGB(pData, FileWidth, InternalFormat = ifRGBA8);
+ if (Format in [tfRGB8, tfRGBA8]) then // swap RGB(A) to BGR(A)
+ SwapRGB(pData, FileWidth, Format = tfRGBA8);
end;
-
result := true;
end;
end;
var
pSource, pData, pTempData: PByte;
Row, RowSize, TempWidth, TempHeight: Integer;
- IntFormat: TglBitmapInternalFormat;
+ IntFormat: TglBitmapFormat;
begin
result := false;
- if (Assigned(Bitmap)) then begin
- case Bitmap.PixelFormat of
+ if (Assigned(aBitmap)) then begin
+ case aBitmap.PixelFormat of
pf8bit:
- IntFormat := ifLuminance;
+ IntFormat := tfLuminance8;
pf15bit:
- IntFormat := ifRGB5A1;
+ IntFormat := tfRGB5A1;
pf16bit:
- IntFormat := ifR5G6B5;
+ IntFormat := tfR5G6B5;
pf24bit:
- IntFormat := ifBGR8;
+ IntFormat := tfBGR8;
pf32bit:
- IntFormat := ifBGRA8;
- else
- raise EglBitmapException.Create('AssignFromBitmap - Invalid Pixelformat.');
+ IntFormat := tfBGRA8;
+ else
+ raise EglBitmapException.Create('AssignFromBitmap - Invalid Pixelformat.');
end;
- TempWidth := Bitmap.Width;
- TempHeight := Bitmap.Height;
-
- RowSize := Trunc(TempWidth * FormatGetSize(IntFormat));
-
+ 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 := Bitmap.Scanline[Row];
-
+ pSource := aBitmap.Scanline[Row];
if (Assigned(pSource)) then begin
Move(pSource^, pTempData^, RowSize);
Inc(pTempData, RowSize);
end;
end;
-
- SetDataPointer(pData, IntFormat, TempWidth, TempHeight);
-
+ SetDataPointer(pData, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(pData);
+ if Assigned(pData) then
+ FreeMem(pData);
raise;
end;
end;
result := false;
if Assigned(Data) then begin
- if InternalFormat in [ifAlpha, ifLuminanceAlpha, ifRGBA8, ifBGRA8] then begin
- if Assigned(Bitmap) then begin
- Bitmap.PixelFormat := pf8bit;
- Bitmap.Palette := CreateGrayPalette;
- Bitmap.Width := Width;
- Bitmap.Height := Height;
-
- case InternalFormat of
- ifLuminanceAlpha:
+ if (Format in [tfAlpha8, tfLuminance8Alpha8, tfRGBA8, tfBGRA8]) then begin
+ if Assigned(aBitmap) then begin
+ aBitmap.PixelFormat := pf8bit;
+ aBitmap.Palette := CreateGrayPalette;
+ aBitmap.Width := Width;
+ aBitmap.Height := Height;
+
+ case Format of
+ tfLuminance8Alpha8:
AlphaInterleave := 1;
- ifRGBA8, ifBGRA8:
+ tfRGBA8, tfBGRA8:
AlphaInterleave := 3;
else
AlphaInterleave := 0;
pSource := Data;
for Row := 0 to Height -1 do begin
- pDest := Bitmap.Scanline[Row];
-
+ pDest := aBitmap.Scanline[Row];
if Assigned(pDest) then begin
for Col := 0 to Width -1 do begin
Inc(pSource, AlphaInterleave);
Inc(pSource);
end;
end;
- end;
-
+ end;
result := true;
end;
end;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-function TglBitmap.AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean;
+function TglBitmap.AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean;
var
tex: TglBitmap2D;
begin
tex := TglBitmap2D.Create;
try
- tex.AssignFromBitmap(Bitmap);
- result := AddAlphaFromglBitmap(tex, Func, CustomData);
+ tex.AssignFromBitmap(ABitmap);
+ result := AddAlphaFromglBitmap(tex, aFunc, aArgs);
finally
tex.Free;
end;
end;
+{$ENDIF}
+{$IFDEF GLB_LAZARUS}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-function TglBitmap.AddAlphaFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar;
- const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean;
+function TglBitmap.AssignToLazIntfImage(const aImage: TLazIntfImage): Boolean;
var
- RS: TResourceStream;
- TempPos: Integer;
- ResTypeStr: String;
- TempResType: PChar;
+ rid: TRawImageDescription;
+ FormatDesc: TFormatDescriptor;
begin
- if Assigned(ResType) then
- TempResType := ResType
+ 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 (Format in [
+ tfAlpha4, tfAlpha8, tfAlpha12, tfAlpha16,
+ tfLuminance4, tfLuminance8, tfLuminance12, tfLuminance16,
+ tfLuminance4Alpha4, tfLuminance8Alpha8, tfLuminance12Alpha4, tfLuminance12Alpha12, tfLuminance16Alpha16]) then
+ rid.Format := ricfGray
else
- begin
- TempPos := Pos('.', Resource);
- ResTypeStr := UpperCase(Copy(Resource, TempPos + 1, Length(Resource) - TempPos));
- Resource := UpperCase(Copy(Resource, 0, TempPos -1));
- TempResType := PChar(ResTypeStr);
- end;
+ rid.Format := ricfRGBA;
+
+ rid.Width := Width;
+ rid.Height := Height;
+ rid.Depth := CountSetBits(FormatDesc.Range.r or FormatDesc.Range.g or FormatDesc.Range.b or FormatDesc.Range.a);
+ rid.BitOrder := riboBitsInOrder;
+ rid.ByteOrder := riboLSBFirst;
+ rid.LineOrder := riloTopToBottom;
+ rid.LineEnd := rileTight;
+ rid.BitsPerPixel := Round(8 * FormatDesc.PixelSize);
+ 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;
+
+ Move(Data^, aImage.PixelData^, FormatDesc.GetSize(Dimension));
+
+ result := true;
+end;
- RS := TResourceStream.Create(Instance, Resource, TempResType);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+function TglBitmap.AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean;
+var
+ f: TglBitmapFormat;
+ FormatDesc: TFormatDescriptor;
+ ImageData: PByte;
+ ImageSize: Integer;
+begin
+ result := false;
+ if not Assigned(aImage) then
+ exit;
+ for f := High(f) downto Low(f) do begin
+ FormatDesc := TFormatDescriptor.Get(f);
+ with aImage.DataDescription do
+ if FormatDesc.MaskMatch(
+ (QWord(1 shl RedPrec )-1) shl RedShift,
+ (QWord(1 shl GreenPrec)-1) shl GreenShift,
+ (QWord(1 shl BluePrec )-1) shl BlueShift,
+ (QWord(1 shl AlphaPrec)-1) shl AlphaShift) then
+ break;
+ end;
+
+ if (f = tfEmpty) then
+ exit;
+
+ ImageSize := FormatDesc.GetSize(aImage.Width, aImage.Height);
+ ImageData := GetMem(ImageSize);
try
- result := AddAlphaFromStream(RS, Func, CustomData);
+ Move(aImage.PixelData^, ImageData^, (aImage.Width * aImage.Height * aImage.DataDescription.BitsPerPixel) shr 3);
+ SetDataPointer(ImageData, f, aImage.Width, aImage.Height); //be careful, Data could be freed by this method
+ except
+ if Assigned(ImageData) then
+ FreeMem(ImageData);
+ raise;
+ end;
+
+ result := true;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+function TglBitmap.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
- RS.Free;
+ FormatDesc.FreeMappingData(srcMD);
end;
+ result := true;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-function TglBitmap.AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar;
- const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean;
+function TglBitmap.AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean;
var
- RS: TResourceStream;
+ tex: TglBitmap2D;
begin
- RS := TResourceStream.CreateFromID(Instance, ResourceID, ResType);
+ tex := TglBitmap2D.Create;
try
- result := AddAlphaFromStream(RS, Func, CustomData);
+ tex.AssignFromLazIntfImage(aImage);
+ result := AddAlphaFromglBitmap(tex, aFunc, aArgs);
finally
- RS.Free;
+ tex.Free;
end;
end;
{$ENDIF}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+function TglBitmap.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 TglBitmap.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 TglBitmap.AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean;
begin
if TFormatDescriptor.Get(Format).IsCompressed then
GetMem(TempPtr, Size);
try
Move(Data^, TempPtr^, Size);
- Temp.SetDataPointer(TempPtr, Format, Width, Height);
+ Temp.SetDataPointer(TempPtr, Format, Width, Height); //be careful, Data could be freed by this method
except
- FreeMem(TempPtr);
+ if Assigned(TempPtr) then
+ FreeMem(TempPtr);
raise;
end;
- end else
- Temp.SetDataPointer(nil, Format, Width, Height);
+ end else begin
+ TempPtr := nil;
+ Temp.SetDataPointer(TempPtr, Format, Width, Height); //be careful, Data could be freed by this method
+ end;
// copy properties
Temp.fID := ID;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmap.FreeData;
+var
+ TempPtr: PByte;
begin
- SetDataPointer(nil, tfEmpty);
+ TempPtr := nil;
+ SetDataPointer(TempPtr, tfEmpty); //be careful, Data could be freed by this method
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
constructor TglBitmap.Create;
begin
+ if (ClassType = TglBitmap) then
+ raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.');
{$IFDEF GLB_NATIVE_OGL}
glbReadOpenGLExtensions;
{$ENDIF}
- if (ClassType = TglBitmap) then
- raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.');
inherited Create;
end;
GetMem(Image, ImageSize);
try
FillChar(Image^, ImageSize, #$FF);
- SetDataPointer(Image, aFormat, aSize.X, aSize.Y);
+ SetDataPointer(Image, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method
except
- FreeMem(Image);
+ if Assigned(Image) then
+ FreeMem(Image);
raise;
end;
end;
LoadFromFunc(aSize, aFunc, aFormat, aArgs);
end;
-{$IFDEF GLB_DELPHI}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
constructor TglBitmap.Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar);
begin
Create;
LoadFromResourceID(aInstance, aResourceID, aResType);
end;
-{$ENDIF}
{$IFDEF GLB_SUPPORT_PNG_READ}
{$IF DEFINED(GLB_SDL_IMAGE)}
SetLength(png_rows, 0);
// set new data
- SetDataPointer(png_data, Format, TempWidth, TempHeight);
+ SetDataPointer(png_data, Format, TempWidth, TempHeight); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(png_data);
+ if Assigned(png_data) then
+ FreeMem(png_data);
raise;
end;
end;
var
StreamPos: Int64;
Png: TPNGObject;
- Header: Array[0..7] of Byte;
+ Header: String[8];
Row, Col, PixSize, LineSize: Integer;
NewImage, pSource, pDest, pAlpha: pByte;
- Format: TglBitmapInternalFormat;
+ PngFormat: TglBitmapFormat;
+ FormatDesc: TFormatDescriptor;
const
- PngHeader: Array[0..7] of Byte = (#137, #80, #78, #71, #13, #10, #26, #10);
+ PngHeader: String[8] = #137#80#78#71#13#10#26#10;
begin
result := false;
- StreamPos := Stream.Position;
- Stream.Read(Header[0], SizeOf(Header));
- Stream.Position := StreamPos;
+ 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(Stream);
+ Png.LoadFromStream(aStream);
case Png.Header.ColorType of
COLOR_GRAYSCALE:
- Format := ifLuminance;
+ PngFormat := tfLuminance8;
COLOR_GRAYSCALEALPHA:
- Format := ifLuminanceAlpha;
+ PngFormat := tfLuminance8Alpha8;
COLOR_RGB:
- Format := ifBGR8;
+ PngFormat := tfBGR8;
COLOR_RGBALPHA:
- Format := ifBGRA8;
+ PngFormat := tfBGRA8;
else
raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.');
end;
- PixSize := Trunc(FormatGetSize(Format));
- LineSize := Integer(Png.Header.Width) * PixSize;
+ FormatDesc := TFormatDescriptor.Get(PngFormat);
+ PixSize := Round(FormatDesc.PixelSize);
+ LineSize := FormatDesc.GetSize(Png.Header.Width, 1);
GetMem(NewImage, LineSize * Integer(Png.Header.Height));
try
raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.');
end;
- SetDataPointer(NewImage, Format, Png.Header.Width, Png.Header.Height);
+ SetDataPointer(NewImage, PngFormat, Png.Header.Width, Png.Header.Height); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(NewImage);
+ if Assigned(NewImage) then
+ FreeMem(NewImage);
raise;
end;
finally
pTemp: pByte;
Temp: Byte;
begin
- if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then
- raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT);
+ if not (ftPNG in FormatGetSupportedFiles (Format)) then
+ raise EglBitmapUnsupportedFormat.Create(Format);
- case FInternalFormat of
- ifAlpha, ifLuminance, ifDepth8: begin
+ case Format of
+ tfAlpha8, tfLuminance8: begin
ColorType := COLOR_GRAYSCALE;
- PixSize := 1;
- Alpha := false;
+ PixSize := 1;
+ Alpha := false;
end;
- ifLuminanceAlpha: begin
+ tfLuminance8Alpha8: begin
ColorType := COLOR_GRAYSCALEALPHA;
- PixSize := 1;
- Alpha := true;
+ PixSize := 1;
+ Alpha := true;
end;
- ifBGR8, ifRGB8: begin
+ tfBGR8, tfRGB8: begin
ColorType := COLOR_RGB;
- PixSize := 3;
- Alpha := false;
+ PixSize := 3;
+ Alpha := false;
end;
- ifBGRA8, ifRGBA8: begin
+ tfBGRA8, tfRGBA8: begin
ColorType := COLOR_RGBALPHA;
- PixSize := 3;
- Alpha := true
+ PixSize := 3;
+ Alpha := true
end;
else
- raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT);
+ raise EglBitmapUnsupportedFormat.Create(Format);
end;
Png := TPNGObject.CreateBlank(ColorType, 8, Width, Height);
end;
// convert RGB line to BGR
- if InternalFormat in [ifRGB8, ifRGBA8] then begin
+ if Format in [tfRGB8, tfRGBA8] then begin
pTemp := png.ScanLine[Y];
for X := 0 to Width -1 do begin
Temp := pByteArray(pTemp)^[0];
// Save to Stream
Png.CompressionLevel := 6;
- Png.SaveToStream(Stream);
+ Png.SaveToStream(aStream);
finally
FreeAndNil(Png);
end;
// destroy decompression
jpeg_destroy_decompress(@jpeg);
- SetDataPointer(pImage, IntFormat, TempWidth, TempHeight);
+ SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(pImage);
+ if Assigned(pImage) then
+ FreeMem(pImage);
raise;
end;
end;
result := false;
// reading first two bytes to test file and set cursor back to begin
- StreamPos := Stream.Position;
- Stream.Read(Temp[0], 2);
- Stream.Position := StreamPos;
+ StreamPos := aStream.Position;
+ aStream.Read(Temp[0], 2);
+ aStream.Position := StreamPos;
// if Bitmap then read file.
if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin
try
jpg := TJPEGImage.Create;
try
- jpg.LoadFromStream(Stream);
+ jpg.LoadFromStream(aStream);
bmp.Assign(jpg);
result := AssignFromBitmap(bmp);
finally
{$ELSEIF DEFINED(GLB_DELPHI_JPEG)}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TglBitmap.SaveJPEG(Stream: TStream);
+procedure TglBitmap.SaveJPEG(const aStream: TStream);
var
Bmp: TBitmap;
Jpg: TJPEGImage;
begin
- if not (ftJPEG in FormatGetSupportedFiles (InternalFormat)) then
- raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT);
+ if not (ftJPEG in FormatGetSupportedFiles(Format)) then
+ raise EglBitmapUnsupportedFormat.Create(Format);
Bmp := TBitmap.Create;
try
Jpg := TJPEGImage.Create;
try
AssignToBitmap(Bmp);
- if FInternalFormat in [ifAlpha, ifLuminance, ifDepth8] then begin
- Jpg.Grayscale := true;
+ if (Format in [tfAlpha8, tfLuminance8]) then begin
+ Jpg.Grayscale := true;
Jpg.PixelFormat := jf8Bit;
end;
Jpg.Assign(Bmp);
- Jpg.SaveToStream(Stream);
+ Jpg.SaveToStream(aStream);
finally
FreeAndNil(Jpg);
end;
FreeAndNil(Bmp);
end;
end;
-{$ENDIF}
+{$IFEND}
{$ENDIF}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
inc(TmpData, wbLineSize);
aStream.Read(PaddingBuff{%H-}, Padding);
end;
- SetDataPointer(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight));
+ SetDataPointer(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight)); //be careful, Data could be freed by this method
result := true;
finally
if Assigned(LineBuf) then
FormatDesc.FreeMappingData(DestMD);
end;
except
- FreeMem(ImageData);
+ if Assigned(ImageData) then
+ FreeMem(ImageData);
raise;
end;
end else
begin
buf := nil;
if (Counter.X.dir < 0) then
- buf := GetMem(LineSize);
+ GetMem(buf, LineSize);
try
while (Counter.Y.low <> Counter.Y.high + counter.Y.dir) do begin
- tmp1 := ImageData + (Counter.Y.low * LineSize); //pointer to LineStart
+ 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 + LineSize - PixelSize; //pointer to last pixel in line
+ 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^;
if (LinePixelsRead >= Header.Width) then begin
LinePixelsRead := 0;
inc(Counter.Y.low, Counter.Y.dir); //next line index
- TmpData := ImageData + Counter.Y.low * LineSize; //set line
+ TmpData := ImageData;
+ inc(TmpData, Counter.Y.low * LineSize); //set line
if (Counter.X.dir < 0) then //if x flipped then
- TmpData := TmpData + LineSize - PixelSize; //set last pixel
+ inc(TmpData, LineSize - PixelSize); //set last pixel
end;
end;
GetMem(Cache, CACHE_SIZE);
try
- TmpData := ImageData + Counter.Y.low * LineSize; //set line
+ TmpData := ImageData;
+ inc(TmpData, Counter.Y.low * LineSize); //set line
if (Counter.X.dir < 0) then //if x flipped then
- TmpData := TmpData + LineSize - PixelSize; //set last pixel
+ inc(TmpData, LineSize - PixelSize); //set last pixel
repeat
//read CommandByte
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 := tfLuminance8;
ReadCompressed;
end;
- SetDataPointer(ImageData, tgaFormat, Header.Width, Header.Height);
+ SetDataPointer(ImageData, tgaFormat, Header.Width, Header.Height); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(ImageData);
+ if Assigned(ImageData) then
+ FreeMem(ImageData);
raise;
end;
finally
if Assigned(Converter) then begin
LineSize := FormatDesc.GetSize(Width, 1);
- LineBuf := GetMem(LineSize);
+ GetMem(LineBuf, LineSize);
SourceMD := FormatDesc.CreateMappingData;
DestMD := Converter.CreateMappingData;
try
DestMD := FormatDesc.CreateMappingData;
try
for y := 0 to Header.dwHeight-1 do begin
- TmpData := NewImage + y * LineSize;
+ TmpData := NewImage;
+ inc(TmpData, y * LineSize);
SrcData := RowData;
aStream.Read(SrcData^, RowSize);
for x := 0 to Header.dwWidth-1 do begin
end else
raise EglBitmapException.Create('LoadDDS - unsupported Pixelformat found.');
- SetDataPointer(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight);
+ SetDataPointer(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(NewImage);
+ if Assigned(NewImage) then
+ FreeMem(NewImage);
raise;
end;
finally
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TglBitmap1D/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmap1D.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat;
+ const aWidth: Integer; const aHeight: Integer);
+var
+ pTemp: pByte;
+ Size: Integer;
+begin
+ if (aHeight > 1) then begin
+ Size := TFormatDescriptor.Get(aFormat).GetSize(aWidth, 1);
+ GetMem(pTemp, Size);
+ try
+ Move(aData^, pTemp^, Size);
+ FreeMem(aData);
+ aData := nil;
+ except
+ FreeMem(pTemp);
+ raise;
+ end;
+ end else
+ pTemp := aData;
+ inherited SetDataPointer(pTemp, aFormat, aWidth);
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+function TglBitmap1D.FlipHorz: Boolean;
+var
+ Col: Integer;
+ pTempDest, pDest, pSource: PByte;
+begin
+ result := inherited FlipHorz;
+ if Assigned(Data) and not TFormatDescriptor.Get(Format).IsCompressed then begin
+ pSource := Data;
+ GetMem(pDest, fRowSize);
+ try
+ pTempDest := pDest;
+ Inc(pTempDest, fRowSize);
+ for Col := 0 to Width-1 do begin
+ dec(pTempDest, fPixelSize); //dec before, because ptr is behind last byte of data
+ Move(pSource^, pTempDest^, fPixelSize);
+ Inc(pSource, fPixelSize);
+ end;
+ SetDataPointer(pDest, Format, Width); //be careful, Data could be freed by this method
+ result := true;
+ except
+ if Assigned(pDest) then
+ FreeMem(pDest);
+ raise;
+ end;
+ end;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmap1D.UploadData(const aBuildWithGlu: Boolean);
+var
+ FormatDesc: TFormatDescriptor;
+begin
+ // Upload data
+ FormatDesc := TFormatDescriptor.Get(Format);
+ if FormatDesc.IsCompressed then
+ glCompressedTexImage1D(Target, 0, FormatDesc.glInternalFormat, Width, 0, FormatDesc.GetSize(Width, 1), Data)
+ else if aBuildWithGlu then
+ gluBuild1DMipmaps(Target, FormatDesc.glInternalFormat, Width, FormatDesc.glFormat, FormatDesc.glDataFormat, Data)
+ else
+ glTexImage1D(Target, 0, FormatDesc.glInternalFormat, Width, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Data);
+
+ // Free Data
+ if (FreeDataAfterGenTexture) then
+ FreeData;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmap1D.GenTexture(const aTestTextureSize: Boolean);
+var
+ BuildWithGlu, TexRec: Boolean;
+ TexSize: Integer;
+begin
+ if Assigned(Data) then begin
+ // Check Texture Size
+ if (aTestTextureSize) then begin
+ glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize);
+
+ if (Width > TexSize) then
+ raise EglBitmapSizeToLargeException.Create('TglBitmap1D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.');
+
+ TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and
+ (Target = GL_TEXTURE_RECTANGLE_ARB);
+ if not (IsPowerOfTwo(Width) or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then
+ raise EglBitmapNonPowerOfTwoException.Create('TglBitmap1D.GenTexture - Rendercontex dosn''t support non power of two texture.');
+ end;
+
+ CreateId;
+ SetupParameters(BuildWithGlu);
+ UploadData(BuildWithGlu);
+ glAreTexturesResident(1, @fID, @fIsResident);
+ end;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmap1D.AfterConstruction;
+begin
+ inherited;
+ Target := GL_TEXTURE_1D;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//TglBitmap2D/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function TglBitmap2D.GetScanline(const aIndex: Integer): Pointer;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TglBitmap2D.SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat;
+procedure TglBitmap2D.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat;
const aWidth: Integer; const aHeight: Integer);
var
Idx, LineWidth: Integer;
inherited SetDataPointer(aData, aFormat, aWidth, aHeight);
if not TFormatDescriptor.Get(aFormat).IsCompressed then begin
- (* TODO PixelFuncs
- fGetPixelFunc := GetPixel2DUnmap;
- fSetPixelFunc := SetPixel2DUnmap;
- *)
// Assigning Data
if Assigned(Data) then begin
SetLength(fLines, GetHeight);
LineWidth := Trunc(GetWidth * TFormatDescriptor.Get(Format).PixelSize);
- for Idx := 0 to GetHeight -1 do begin
+ for Idx := 0 to GetHeight-1 do begin
fLines[Idx] := Data;
Inc(fLines[Idx], Idx * LineWidth);
end;
else SetLength(fLines, 0);
end else begin
SetLength(fLines, 0);
- (*
- fSetPixelFunc := nil;
-
- case Format of
- ifDXT1:
- fGetPixelFunc := GetPixel2DDXT1;
- ifDXT3:
- fGetPixelFunc := GetPixel2DDXT3;
- ifDXT5:
- fGetPixelFunc := GetPixel2DDXT5;
- else
- fGetPixelFunc := nil;
- end;
- *)
end;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TglBitmap2D.UploadData(const aTarget: Cardinal; const aBuildWithGlu: Boolean);
+procedure TglBitmap2D.UploadData(const aTarget: GLenum; const aBuildWithGlu: Boolean);
var
FormatDesc: TFormatDescriptor;
begin
FormatDesc := TFormatDescriptor.Get(Format);
if FormatDesc.IsCompressed then begin
- glCompressedTexImage2D(Target, 0, FormatDesc.glInternalFormat, Width, Height, 0, FormatDesc.GetSize(fDimension), Data)
+ glCompressedTexImage2D(aTarget, 0, FormatDesc.glInternalFormat, Width, Height, 0, FormatDesc.GetSize(fDimension), Data)
end else if aBuildWithGlu then begin
gluBuild2DMipmaps(aTarget, FormatDesc.Components, Width, Height,
FormatDesc.glFormat, FormatDesc.glDataFormat, Data)
try
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(aLeft, aTop, w, h, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp);
- SetDataPointer(Temp, Format, w, h);
+ SetDataPointer(Temp, Format, w, h); //be careful, Data could be freed by this method
FlipVert;
except
- FreeMem(Temp);
+ if Assigned(Temp) then
+ FreeMem(Temp);
raise;
end;
end;
glGetCompressedTexImage(Target, 0, Temp)
else
glGetTexImage(Target, 0, FormatDesc.glInternalFormat, FormatDesc.glDataFormat, Temp);
- SetDataPointer(Temp, IntFormat, TempWidth, TempHeight);
+ SetDataPointer(Temp, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method
except
- FreeMem(Temp);
+ if Assigned(Temp) then
+ FreeMem(Temp);
raise;
end;
end;
PotTex := IsPowerOfTwo(Height) and IsPowerOfTwo(Width);
TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and (Target = GL_TEXTURE_RECTANGLE);
-
if not (PotTex or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then
raise EglBitmapNonPowerOfTwoException.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.');
end;
Dec(TempDestData, fPixelSize);
end;
end;
- SetDataPointer(DestData, Format);
+ SetDataPointer(DestData, Format); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(DestData);
+ if Assigned(DestData) then
+ FreeMem(DestData);
raise;
end;
end;
Dec(TempDestData, fRowSize);
Inc(SourceData, fRowSize);
end;
- SetDataPointer(DestData, Format);
+ SetDataPointer(DestData, Format); //be careful, Data could be freed by this method
result := true;
except
- FreeMem(DestData);
+ if Assigned(DestData) then
+ FreeMem(DestData);
raise;
end;
end;
end;
end;
-
-
-
-
-
-
-
-
-(*
-procedure TglBitmap1D.SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width, Height: Integer);
-var
- pTemp: pByte;
- Size: Integer;
-begin
- if Height > 1 then begin
- // extract first line of the data
- Size := FormatGetImageSize(glBitmapPosition(Width), Format);
- GetMem(pTemp, Size);
-
- Move(Data^, pTemp^, Size);
-
- FreeMem(Data);
- end else
- pTemp := Data;
-
- // set data pointer
- inherited SetDataPointer(pTemp, Format, Width);
-
- if FormatIsUncompressed(Format) then begin
- fUnmapFunc := FormatGetUnMapFunc(Format);
- fGetPixelFunc := GetPixel1DUnmap;
- end;
-end;
-
-
-procedure TglBitmap1D.GetPixel1DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData);
-var
- pTemp: pByte;
-begin
- pTemp := Data;
- Inc(pTemp, Pos.X * fPixelSize);
-
- fUnmapFunc(pTemp, Pixel);
-end;
-
-
-function TglBitmap1D.FlipHorz: Boolean;
-var
- Col: Integer;
- pTempDest, pDest, pSource: pByte;
-begin
- result := inherited FlipHorz;
-
- if Assigned(Data) and FormatIsUncompressed(InternalFormat) then begin
- pSource := Data;
-
- GetMem(pDest, fRowSize);
- try
- pTempDest := pDest;
-
- Inc(pTempDest, fRowSize);
- for Col := 0 to Width -1 do begin
- Move(pSource^, pTempDest^, fPixelSize);
-
- Inc(pSource, fPixelSize);
- Dec(pTempDest, fPixelSize);
- end;
-
- SetDataPointer(pDest, InternalFormat);
-
- result := true;
- finally
- FreeMem(pDest);
- end;
- end;
-end;
-
-
-procedure TglBitmap1D.UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean);
-begin
- // Upload data
- if Self.InternalFormat in [ifDXT1, ifDXT3, ifDXT5] then
- glCompressedTexImage1D(Target, 0, InternalFormat, Width, 0, Trunc(Width * FormatGetSize(Self.InternalFormat)), Data)
- else
-
- // Upload data
- if BuildWithGlu then
- gluBuild1DMipmaps(Target, InternalFormat, Width, Format, Typ, Data)
- else
- glTexImage1D(Target, 0, InternalFormat, Width, 0, Format, Typ, Data);
-
- // Freigeben
- if (FreeDataAfterGenTexture) then
- FreeData;
-end;
-
-
-procedure TglBitmap1D.GenTexture(TestTextureSize: Boolean);
-var
- BuildWithGlu, TexRec: Boolean;
- glFormat, glInternalFormat, glType: Cardinal;
- TexSize: Integer;
-begin
- if Assigned(Data) then begin
- // Check Texture Size
- if (TestTextureSize) then begin
- glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize);
-
- if (Width > TexSize) then
- raise EglBitmapSizeToLargeException.Create('TglBitmap1D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.');
-
- TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and
- (Target = GL_TEXTURE_RECTANGLE_ARB);
-
- if not (IsPowerOfTwo (Width) or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then
- raise EglBitmapNonPowerOfTwoException.Create('TglBitmap1D.GenTexture - Rendercontex dosn''t support non power of two texture.');
- end;
-
- CreateId;
-
- SetupParameters(BuildWithGlu);
- SelectFormat(InternalFormat, glFormat, glInternalFormat, glType);
-
- UploadData(Target, glFormat, glInternalFormat, glType, BuildWithGlu);
-
- // Infos sammeln
- glAreTexturesResident(1, @fID, @fIsResident);
- end;
-end;
-
-
-procedure TglBitmap1D.AfterConstruction;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TglBitmapCubeMap////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmapCubeMap.GenTexture(const aTestTextureSize: Boolean);
begin
- inherited;
-
- Target := GL_TEXTURE_1D;
+ Assert(false, 'TglBitmapCubeMap.GenTexture - Don''t call GenTextures directly.');
end;
-
-{ TglBitmapCubeMap }
-
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmapCubeMap.AfterConstruction;
begin
inherited;
if not (GL_VERSION_1_3 or GL_ARB_texture_cube_map or GL_EXT_texture_cube_map) then
raise EglBitmapException.Create('TglBitmapCubeMap.AfterConstruction - CubeMaps are unsupported.');
- SetWrap; // set all to GL_CLAMP_TO_EDGE
- Target := GL_TEXTURE_CUBE_MAP;
+ SetWrap;
+ Target := GL_TEXTURE_CUBE_MAP;
fGenMode := GL_REFLECTION_MAP;
end;
-
-procedure TglBitmapCubeMap.Bind(EnableTexCoordsGen, EnableTextureUnit: Boolean);
-begin
- inherited Bind (EnableTextureUnit);
-
- if EnableTexCoordsGen then begin
- glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, fGenMode);
- glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, fGenMode);
- glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, fGenMode);
- glEnable(GL_TEXTURE_GEN_S);
- glEnable(GL_TEXTURE_GEN_T);
- glEnable(GL_TEXTURE_GEN_R);
- end;
-end;
-
-
-procedure TglBitmapCubeMap.GenerateCubeMap(CubeTarget: Cardinal; TestTextureSize: Boolean);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmapCubeMap.GenerateCubeMap(const aCubeTarget: Cardinal; const aTestTextureSize: Boolean);
var
- glFormat, glInternalFormat, glType: Cardinal;
BuildWithGlu: Boolean;
TexSize: Integer;
begin
- // Check Texture Size
- if (TestTextureSize) then begin
+ if (aTestTextureSize) then begin
glGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, @TexSize);
- if ((Height > TexSize) or (Width > TexSize)) then
+ if (Height > TexSize) or (Width > TexSize) then
raise EglBitmapSizeToLargeException.Create('TglBitmapCubeMap.GenTexture - The size for the Cubemap is to large. It''s may be not conform with the Hardware.');
- if not ((IsPowerOfTwo (Height) and IsPowerOfTwo (Width)) or GL_VERSION_2_0 or GL_ARB_texture_non_power_of_two) then
+ if not ((IsPowerOfTwo(Height) and IsPowerOfTwo(Width)) or GL_VERSION_2_0 or GL_ARB_texture_non_power_of_two) then
raise EglBitmapNonPowerOfTwoException.Create('TglBitmapCubeMap.GenTexture - Cubemaps dosn''t support non power of two texture.');
end;
- // create Texture
- if ID = 0 then begin
+ if (ID = 0) then
CreateID;
- SetupParameters(BuildWithGlu);
- end;
-
- SelectFormat(InternalFormat, glFormat, glInternalFormat, glType);
-
- UploadData (CubeTarget, glFormat, glInternalFormat, glType, BuildWithGlu);
+ SetupParameters(BuildWithGlu);
+ UploadData(aCubeTarget, BuildWithGlu);
end;
-
-procedure TglBitmapCubeMap.GenTexture(TestTextureSize: Boolean);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmapCubeMap.Bind(const aEnableTexCoordsGen: Boolean; const aEnableTextureUnit: Boolean);
begin
- Assert(false, 'TglBitmapCubeMap.GenTexture - Don''t call GenTextures directly.');
+ inherited Bind (aEnableTextureUnit);
+ 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;
end;
-
-procedure TglBitmapCubeMap.Unbind(DisableTexCoordsGen,
- DisableTextureUnit: Boolean);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmapCubeMap.Unbind(const aDisableTexCoordsGen: Boolean; const aDisableTextureUnit: Boolean);
begin
- inherited Unbind (DisableTextureUnit);
-
- if DisableTexCoordsGen then begin
+ inherited Unbind(aDisableTextureUnit);
+ if aDisableTexCoordsGen then begin
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glDisable(GL_TEXTURE_GEN_R);
end;
end;
-
-{ TglBitmapNormalMap }
-
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TglBitmapNormalMap//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
type
TVec = Array[0..2] of Single;
- TglBitmapNormalMapGetVectorFunc = procedure (var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer);
+ TglBitmapNormalMapGetVectorFunc = procedure (out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer);
PglBitmapNormalMapRec = ^TglBitmapNormalMapRec;
TglBitmapNormalMapRec = record
Func: TglBitmapNormalMapGetVectorFunc;
end;
-
-procedure glBitmapNormalMapPosX(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer);
+ //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure glBitmapNormalMapPosX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer);
begin
- Vec[0] := HalfSize;
- Vec[1] := - (Position.Y + 0.5 - HalfSize);
- Vec[2] := - (Position.X + 0.5 - HalfSize);
+ aVec[0] := aHalfSize;
+ aVec[1] := - (aPosition.Y + 0.5 - aHalfSize);
+ aVec[2] := - (aPosition.X + 0.5 - aHalfSize);
end;
-
-procedure glBitmapNormalMapNegX(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure glBitmapNormalMapNegX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer);
begin
- Vec[0] := - HalfSize;
- Vec[1] := - (Position.Y + 0.5 - HalfSize);
- Vec[2] := Position.X + 0.5 - HalfSize;
+ aVec[0] := - aHalfSize;
+ aVec[1] := - (aPosition.Y + 0.5 - aHalfSize);
+ aVec[2] := aPosition.X + 0.5 - aHalfSize;
end;
-
-procedure glBitmapNormalMapPosY(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure glBitmapNormalMapPosY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer);
begin
- Vec[0] := Position.X + 0.5 - HalfSize;
- Vec[1] := HalfSize;
- Vec[2] := Position.Y + 0.5 - HalfSize;
+ aVec[0] := aPosition.X + 0.5 - aHalfSize;
+ aVec[1] := aHalfSize;
+ aVec[2] := aPosition.Y + 0.5 - aHalfSize;
end;
-
-procedure glBitmapNormalMapNegY(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure glBitmapNormalMapNegY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer);
begin
- Vec[0] := Position.X + 0.5 - HalfSize;
- Vec[1] := - HalfSize;
- Vec[2] := - (Position.Y + 0.5 - HalfSize);
+ aVec[0] := aPosition.X + 0.5 - aHalfSize;
+ aVec[1] := - aHalfSize;
+ aVec[2] := - (aPosition.Y + 0.5 - aHalfSize);
end;
-
-procedure glBitmapNormalMapPosZ(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure glBitmapNormalMapPosZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer);
begin
- Vec[0] := Position.X + 0.5 - HalfSize;
- Vec[1] := - (Position.Y + 0.5 - HalfSize);
- Vec[2] := HalfSize;
+ aVec[0] := aPosition.X + 0.5 - aHalfSize;
+ aVec[1] := - (aPosition.Y + 0.5 - aHalfSize);
+ aVec[2] := aHalfSize;
end;
-
-procedure glBitmapNormalMapNegZ(var Vec: TVec; const Position: TglBitmapPixelPosition; const HalfSize: Integer);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure glBitmapNormalMapNegZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer);
begin
- Vec[0] := - (Position.X + 0.5 - HalfSize);
- Vec[1] := - (Position.Y + 0.5 - HalfSize);
- Vec[2] := - HalfSize;
+ aVec[0] := - (aPosition.X + 0.5 - aHalfSize);
+ aVec[1] := - (aPosition.Y + 0.5 - aHalfSize);
+ aVec[2] := - aHalfSize;
end;
-
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapNormalMapFunc(var FuncRec: TglBitmapFunctionRec);
var
- Vec : TVec;
+ i: Integer;
+ Vec: TVec;
Len: Single;
begin
with FuncRec do begin
- with PglBitmapNormalMapRec (CustomData)^ do begin
+ with PglBitmapNormalMapRec(Args)^ do begin
Func(Vec, Position, HalfSize);
// Normalize
end;
// Set Color
- Dest.Red := Round(Vec[0] * 255);
- Dest.Green := Round(Vec[1] * 255);
- Dest.Blue := Round(Vec[2] * 255);
+ for i := 0 to 2 do
+ Dest.Data.arr[i] := Round(Vec[i] * 255);
end;
end;
-
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmapNormalMap.AfterConstruction;
begin
inherited;
-
fGenMode := GL_NORMAL_MAP;
end;
-
-procedure TglBitmapNormalMap.GenerateNormalMap(Size: Integer;
- TestTextureSize: Boolean);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TglBitmapNormalMap.GenerateNormalMap(const aSize: Integer; const aTestTextureSize: Boolean);
var
Rec: TglBitmapNormalMapRec;
SizeRec: TglBitmapPixelPosition;
begin
- Rec.HalfSize := Size div 2;
-
+ Rec.HalfSize := aSize div 2;
FreeDataAfterGenTexture := false;
SizeRec.Fields := [ffX, ffY];
- SizeRec.X := Size;
- SizeRec.Y := Size;
+ SizeRec.X := aSize;
+ SizeRec.Y := aSize;
// Positive X
Rec.Func := glBitmapNormalMapPosX;
- LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec);
- GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_X, TestTextureSize);
+ LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec);
+ GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_X, aTestTextureSize);
// Negative X
Rec.Func := glBitmapNormalMapNegX;
- LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec);
- GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, TestTextureSize);
+ LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec);
+ GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, aTestTextureSize);
// Positive Y
Rec.Func := glBitmapNormalMapPosY;
- LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec);
- GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, TestTextureSize);
+ LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec);
+ GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, aTestTextureSize);
// Negative Y
Rec.Func := glBitmapNormalMapNegY;
- LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec);
- GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, TestTextureSize);
+ LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec);
+ GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, aTestTextureSize);
// Positive Z
Rec.Func := glBitmapNormalMapPosZ;
- LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec);
- GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, TestTextureSize);
+ LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec);
+ GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, aTestTextureSize);
// Negative Z
Rec.Func := glBitmapNormalMapNegZ;
- LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec);
- GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, TestTextureSize);
+ LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec);
+ GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, aTestTextureSize);
end;
-*)
+
initialization
glBitmapSetDefaultFormat(tfEmpty);
projects / glBitmap.git / blobdiff