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v2.0
Source/GLS.TextureFormat.pas
947 строк
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GLScene
Updated v.2.0 for Delphi/C++Builder
09 авг 2020, 23:03
09 авг 2020, 23:03
0538f8f
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// // This unit is part of the GLScene Engine, http://glscene.org // unit GLS.TextureFormat; (* Texture formats and functions *) interface uses Winapi.OpenGL, Winapi.OpenGLext, GLS.OpenGLTokens, GLS.Strings; type // Texture addressing rules TGLSeparateTextureWrap = (twRepeat, twClampToEdge, twClampToBorder, twMirrorRepeat, twMirrorClampToEdge, twMirrorClampToBorder); (* Specifies the texture comparison mode for currently bound depth textures. That is, a texture whose internal format is tfDEPTH_COMPONENT* *) TGLTextureCompareMode = (tcmNone, tcmCompareRtoTexture); // Filtering quality TGLTextureFilteringQuality = (tfIsotropic, tfAnisotropic); TGLTextureTarget = ( ttNoShape, ttTexture1D, ttTexture2D, ttTexture3D, ttTexture1DArray, ttTexture2DArray, ttTextureRect, ttTextureBuffer, ttTextureCube, ttTexture2DMultisample, ttTexture2DMultisampleArray, ttTextureCubeArray ); TGLTextureSwizzle = (tswRed, tswGreen, tswBlue, tswAlpha, tswZero, tswOne); TSwizzleVector = array[0..3] of TGLTextureSwizzle; TGLInternalFormat = ( tfALPHA4, tfALPHA8, tfALPHA12, tfALPHA16, tfDEPTH_COMPONENT16, tfDEPTH_COMPONENT24, tfDEPTH_COMPONENT32, tfLUMINANCE4, tfLUMINANCE8, tfLUMINANCE12, tfLUMINANCE16, tfLUMINANCE4_ALPHA4, tfLUMINANCE6_ALPHA2, tfLUMINANCE8_ALPHA8, tfLUMINANCE12_ALPHA4, tfLUMINANCE12_ALPHA12, tfLUMINANCE16_ALPHA16, tfINTENSITY4, tfINTENSITY8, tfINTENSITY12, tfINTENSITY16, tfR3_G3_B2, tfRGB4, tfRGB5, tfRGB8, tfRGB10, tfRGB12, tfR16G16B16, tfRGBA2, tfRGBA4, tfRGB5_A1, tfRGBA8, tfRGB10_A2, tfRGBA12, tfR16G16B16A16, tfCOMPRESSED_RGB_S3TC_DXT1, tfCOMPRESSED_RGBA_S3TC_DXT1, tfCOMPRESSED_RGBA_S3TC_DXT3, tfCOMPRESSED_RGBA_S3TC_DXT5, tfSIGNED_LUMINANCE8, tfSIGNED_LUMINANCE8_ALPHA8, tfSIGNED_RGB8, tfSIGNED_RGBA8, tfSIGNED_RGB8_UNSIGNED_ALPHA8, tfSIGNED_ALPHA8, tfSIGNED_INTENSITY8, tfHILO16, tfSIGNED_HILO16, tfDSDT8, tfDSDT8_MAG8, tfDSDT8_MAG8_INTENSITY8, tfHILO8, tfSIGNED_HILO8, tfFLOAT_R16, tfFLOAT_R32, tfFLOAT_RG16, tfFLOAT_RGB16, tfFLOAT_RGBA16, tfFLOAT_RG32, tfFLOAT_RGB32, tfFLOAT_RGBA32, tfRGBA_FLOAT32, tfRGB_FLOAT32, tfALPHA_FLOAT32, tfINTENSITY_FLOAT32, tfLUMINANCE_FLOAT32, tfLUMINANCE_ALPHA_FLOAT32, tfRGBA_FLOAT16, tfRGB_FLOAT16, tfALPHA_FLOAT16, tfINTENSITY_FLOAT16, tfLUMINANCE_FLOAT16, tfLUMINANCE_ALPHA_FLOAT16, tfDEPTH24_STENCIL8, tfDEPTH_COMPONENT32F, tfDEPTH32F_STENCIL8, tfSRGB8, tfSRGB8_ALPHA8, tfSLUMINANCE8, tfSLUMINANCE8_ALPHA8, tfCOMPRESSED_SRGB_S3TC_DXT1, tfCOMPRESSED_SRGB_ALPHA_S3TC_DXT1, tfCOMPRESSED_SRGB_ALPHA_S3TC_DXT3, tfCOMPRESSED_SRGB_ALPHA_S3TC_DXT5, tfRGB9_E5, tfR11F_G11F_B10F, tfCOMPRESSED_LUMINANCE_LATC1, tfCOMPRESSED_SIGNED_LUMINANCE_LATC1, tfCOMPRESSED_LUMINANCE_ALPHA_LATC2, tfCOMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2, tfCOMPRESSED_LUMINANCE_ALPHA_3DC, tfRGBA32UI, tfRGB32UI, tfALPHA32UI, tfINTENSITY32UI, tfLUMINANCE32UI, tfLUMINANCE_ALPHA32UI, tfRGBA16UI, tfRGB16UI, tfALPHA16UI, tfINTENSITY16UI, tfLUMINANCE16UI, tfLUMINANCE_ALPHA16UI, tfRGBA8UI, tfRGB8UI, tfALPHA8UI, tfINTENSITY8UI, tfLUMINANCE8UI, tfLUMINANCE_ALPHA8UI, tfRGBA32I, tfRGB32I, tfALPHA32I, tfINTENSITY32I, tfLUMINANCE32I, tfLUMINANCE_ALPHA32I, tfRGBA16I, tfRGB16I, tfALPHA16I, tfINTENSITY16I, tfLUMINANCE16I, tfLUMINANCE_ALPHA16I, tfRGBA8I, tfRGB8I, tfALPHA8I, tfINTENSITY8I, tfLUMINANCE8I, tfLUMINANCE_ALPHA8I, tfRG32UI, tfR32UI, tfRG16UI, tfR16UI, tfRG8UI, tfR8UI, tfRG32I, tfR32I, tfRG16I, tfR16I, tfRG8I, tfR8I, tfRG8, tfR8, tfRG16, tfR16, tfRG16F, tfR16F, tfRG32F, tfR32F, tfCOMPRESSED_RED_RGTC1, tfCOMPRESSED_SIGNED_RED_RGTC1, tfCOMPRESSED_RG_RGTC2, tfCOMPRESSED_SIGNED_RG_RGTC2, tfR8_SNORM, tfRG8_SNORM, tfRGB8_SNORM, tfRGBA8_SNORM, tfR16_SNORM, tfRG16_SNORM, tfRGB16_SNORM, tfRGBA16_SNORM ); (* Texture compression option. If OpenGL supports it, this will activate a compressed texture format: tcDefault : uses global default compression option tcNone : do not use compression tcStandard : use standard compression, average quality, average rate tcHighQuality : choose a high-quality, low-speed compression tcHighSpeed : choose a high-speed, low-quality compression *) TGLInternalCompression = (tcDefault, tcNone, tcStandard, tcHighQuality, tcHighSpeed); var vDefaultTextureFormat: TGLInternalFormat = tfRGBA8; vDefaultTextureCompression: TGLInternalCompression = tcNone; const cDefaultSwizzleVector: TSwizzleVector = (tswRed, tswGreen, tswBlue, tswAlpha); // Give a openGL texture format from GLScene texture format function InternalFormatToOpenGLFormat(intFormat: TGLInternalFormat): Cardinal; // Give a GLScene texture format from openGL texture format function OpenGLFormatToInternalFormat(glFormat: Cardinal): TGLInternalFormat; // Give a pixel size in bytes from texture format or data format function GetTextureElementSize(intFormat: TGLInternalFormat): Integer; overload; function GetTextureElementSize(colorFormat: Cardinal; dataType: Cardinal): Integer; overload; // Give compatible openGL image format and data type procedure FindCompatibleDataFormat(intFormat: TGLInternalFormat; out dFormat: TGLuint; out dType: TGLUint); (* Give a compressed openGL texture format from GLScene texture format if format is have not compression than return same openGL format *) function CompressedInternalFormatToOpenGL(intFormat: TGLInternalFormat): Integer; // True if texture target supported function IsTargetSupported(glTarget: Cardinal): Boolean; overload; function IsTargetSupported(target: TGLTextureTarget): Boolean; overload; // True if texture format is supported by hardware or software function IsFormatSupported(intFormat: TGLInternalFormat): Boolean; // True if texture format is float function IsFloatFormat(intFormat: TGLInternalFormat): Boolean; overload; function IsFloatFormat(glFormat: Cardinal): Boolean; overload; // True if depth texture function IsDepthFormat(intFormat: TGLInternalFormat): boolean; overload; function IsDepthFormat(glFormat: Cardinal): Boolean; overload; // True if texture compressed function IsCompressedFormat(intFormat: TGLInternalFormat): Boolean; overload; function IsCompressedFormat(glFormat: Cardinal): Boolean; overload; // Give generic compressed OpenGL texture format function GetGenericCompressedFormat(const intFormat: TGLInternalFormat; const colorFormat: Cardinal; out internalFormat: Cardinal): Boolean; // Give uncompressed texture format and OpenGL color format function GetUncompressedFormat(const intFormat: TGLInternalFormat; out internalFormat: TGLInternalFormat; out colorFormat: Cardinal): Boolean; function DecodeTextureTarget(const TextureTarget: TGLTextureTarget): Cardinal; function EncodeGLTextureTarget(const glTarget: Cardinal): TGLTextureTarget; function IsTargetSupportMipmap(const TextureTarget: TGLTextureTarget): Boolean; overload; function IsTargetSupportMipmap(const glTarget: Cardinal): Boolean; overload; //--------------------------------------------------------------------------- implementation //--------------------------------------------------------------------------- uses GLS.Context; type TFormatDesc = record IntFmt: Cardinal; ClrFmt: Cardinal; DataFmt: Cardinal; RBit: Byte; GBit: Byte; BBit: Byte; ABit: Byte; LBit: Byte; DBit: Byte; Sign: Boolean; Flt: Boolean; Fix: Boolean; Comp: Boolean; end; const // InternalFormat, ColorFormat, DataType cTextureFormatToOpenGL: array[low(TGLInternalFormat)..high(TGLInternalFormat)] of TFormatDesc = ( (IntFmt: GL_ALPHA4; ClrFmt: GL_ALPHA; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 4; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_ALPHA8; ClrFmt: GL_ALPHA; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_ALPHA12; ClrFmt: GL_ALPHA; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 12; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_ALPHA16; ClrFmt: GL_ALPHA; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 16; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_DEPTH_COMPONENT16; ClrFmt: GL_DEPTH_COMPONENT; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 16; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_DEPTH_COMPONENT24; ClrFmt: GL_DEPTH_COMPONENT; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 24; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_DEPTH_COMPONENT32; ClrFmt: GL_DEPTH_COMPONENT; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 32; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE4; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 4; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE8; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE12; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 12; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE16; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 16; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE4_ALPHA4; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 4; LBit: 4; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE6_ALPHA2; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 6; LBit: 2; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE8_ALPHA8; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE12_ALPHA4; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 4; LBit: 12; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE12_ALPHA12; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 12; LBit: 12; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE16_ALPHA16; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 16; LBit: 16; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_INTENSITY4; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 4; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_INTENSITY8; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_INTENSITY12; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 12; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_INTENSITY16; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 16; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_R3_G3_B2; ClrFmt: GL_RGB; DataFmt: GL_UNSIGNED_BYTE_3_3_2; RBit: 3; GBit: 3; BBit: 2; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB4; ClrFmt: GL_RGB; DataFmt: GL_UNSIGNED_BYTE; RBit: 4; GBit: 4; BBit: 4; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB5; ClrFmt: GL_RGB; DataFmt: GL_UNSIGNED_SHORT_5_6_5; RBit: 5; GBit: 6; BBit: 5; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB8; ClrFmt: GL_RGB; DataFmt: GL_UNSIGNED_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB10; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_INT_10_10_10_2; RBit: 10; GBit: 10; BBit: 10; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB12; ClrFmt: GL_RGB; DataFmt: GL_UNSIGNED_BYTE; RBit: 12; GBit: 12; BBit: 12; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB16; ClrFmt: GL_RGB; DataFmt: GL_UNSIGNED_SHORT; RBit: 16; GBit: 16; BBit: 16; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGBA2; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_BYTE; RBit: 2; GBit: 2; BBit: 2; ABit: 2; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGBA4; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_SHORT_4_4_4_4; RBit: 4; GBit: 4; BBit: 4; ABit: 4; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB5_A1; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_SHORT_5_5_5_1; RBit: 5; GBit: 5; BBit: 5; ABit: 1; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGBA8; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB10_A2; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_INT_10_10_10_2; RBit: 10; GBit: 10; BBit: 10; ABit: 2; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGBA12; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_BYTE; RBit: 12; GBit: 12; BBit: 12; ABit: 12; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGBA16; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_SHORT; RBit: 16; GBit: 16; BBit: 16; ABit: 16; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_COMPRESSED_RGB_S3TC_DXT1_EXT; ClrFmt: GL_COMPRESSED_RGB_S3TC_DXT1_EXT; DataFmt: GL_COMPRESSED_RGB_S3TC_DXT1_EXT; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; ClrFmt: GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; DataFmt: GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; RBit: 8; GBit: 8; BBit: 8; ABit: 1; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; ClrFmt: GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; DataFmt: GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; ClrFmt: GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; DataFmt: GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; RBit: 8; GBit: 8; BBit: 0; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_SIGNED_LUMINANCE8_NV; ClrFmt: GL_LUMINANCE; DataFmt: GL_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SIGNED_LUMINANCE8_ALPHA8_NV; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 8; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SIGNED_RGB8_NV; ClrFmt: GL_RGB; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SIGNED_RGBA8_NV; ClrFmt: GL_RGBA; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SIGNED_RGB8_UNSIGNED_ALPHA8_NV; ClrFmt: GL_RGBA; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SIGNED_ALPHA8_NV; ClrFmt: GL_ALPHA; DataFmt: GL_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SIGNED_INTENSITY8_NV; ClrFmt: GL_INTENSITY; DataFmt: GL_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_HILO16_NV; ClrFmt: GL_RG; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SIGNED_HILO16_NV; ClrFmt: GL_RG; DataFmt: GL_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_DSDT8_NV; ClrFmt: GL_RED; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_DSDT8_MAG8_NV; ClrFmt: GL_RG; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_DSDT8_MAG8_INTENSITY8_NV; ClrFmt: GL_RGB; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_HILO8_NV; ClrFmt: GL_RG; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SIGNED_HILO8_NV; ClrFmt: GL_RG; DataFmt: GL_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: False), (IntFmt: GL_FLOAT_R16_NV; ClrFmt: GL_RED; DataFmt: GL_HALF_FLOAT; RBit: 16; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_FLOAT_R32_NV; ClrFmt: GL_RED; DataFmt: GL_FLOAT; RBit: 32; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_FLOAT_RG16_NV; ClrFmt: GL_RG; DataFmt: GL_HALF_FLOAT; RBit: 16; GBit: 16; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_FLOAT_RGB16_NV; ClrFmt: GL_RGB; DataFmt: GL_HALF_FLOAT; RBit: 16; GBit: 16; BBit: 16; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_FLOAT_RGBA16_NV; ClrFmt: GL_RGBA; DataFmt: GL_HALF_FLOAT; RBit: 16; GBit: 16; BBit: 16; ABit: 16; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_FLOAT_RG32_NV; ClrFmt: GL_RG; DataFmt: GL_FLOAT; RBit: 32; GBit: 32; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_FLOAT_RGB32_NV; ClrFmt: GL_RGB; DataFmt: GL_FLOAT; RBit: 32; GBit: 32; BBit: 32; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_FLOAT_RGBA32_NV; ClrFmt: GL_RGBA; DataFmt: GL_FLOAT; RBit: 32; GBit: 32; BBit: 32; ABit: 32; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RGBA32F_ARB; ClrFmt: GL_RGBA; DataFmt: GL_FLOAT; RBit: 32; GBit: 32; BBit: 32; ABit: 32; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RGB32F_ARB; ClrFmt: GL_RGB; DataFmt: GL_FLOAT; RBit: 32; GBit: 32; BBit: 32; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_ALPHA32F_ARB; ClrFmt: GL_ALPHA; DataFmt: GL_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 32; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_INTENSITY32F_ARB; ClrFmt: GL_LUMINANCE; DataFmt: GL_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 32; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE32F_ARB; ClrFmt: GL_LUMINANCE; DataFmt: GL_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 32; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE_ALPHA32F_ARB; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 32; LBit: 32; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RGBA16F_ARB; ClrFmt: GL_RGBA; DataFmt: GL_HALF_FLOAT; RBit: 16; GBit: 16; BBit: 16; ABit: 16; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RGB16F_ARB; ClrFmt: GL_RGB; DataFmt: GL_HALF_FLOAT; RBit: 16; GBit: 16; BBit: 16; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_ALPHA16F_ARB; ClrFmt: GL_ALPHA; DataFmt: GL_HALF_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 16; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_INTENSITY16F_ARB; ClrFmt: GL_LUMINANCE; DataFmt: GL_HALF_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 16; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE16F_ARB; ClrFmt: GL_LUMINANCE; DataFmt: GL_HALF_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 16; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_LUMINANCE_ALPHA16F_ARB; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_HALF_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 16; LBit: 16; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_DEPTH24_STENCIL8; ClrFmt: GL_DEPTH_STENCIL; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 24; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_DEPTH_COMPONENT32F; ClrFmt: GL_DEPTH_COMPONENT; DataFmt: GL_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 32; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_DEPTH32F_STENCIL8; ClrFmt: GL_DEPTH_STENCIL; DataFmt: GL_FLOAT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 32; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_SRGB8; ClrFmt: GL_RGB; DataFmt: GL_UNSIGNED_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SRGB8_ALPHA8; ClrFmt: GL_RGBA; DataFmt: GL_UNSIGNED_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SLUMINANCE8; ClrFmt: GL_LUMINANCE; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_SLUMINANCE8_ALPHA8; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_COMPRESSED_SRGB_S3TC_DXT1_EXT; ClrFmt: GL_COMPRESSED_SRGB_S3TC_DXT1_EXT; DataFmt: GL_COMPRESSED_SRGB_S3TC_DXT1_EXT; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; ClrFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; DataFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; RBit: 8; GBit: 8; BBit: 8; ABit: 1; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; ClrFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; DataFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; ClrFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; DataFmt: GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_RGB9_E5; ClrFmt: GL_RGBA; DataFmt: GL_FLOAT; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_R11F_G11F_B10F; ClrFmt: GL_RGB; DataFmt: GL_FLOAT; RBit: 11; GBit: 11; BBit: 10; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_COMPRESSED_LUMINANCE_LATC1_EXT; ClrFmt: GL_COMPRESSED_LUMINANCE_LATC1_EXT; DataFmt: GL_COMPRESSED_LUMINANCE_LATC1_EXT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT; ClrFmt: GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT; DataFmt: GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT; ClrFmt: GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT; DataFmt: GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT; ClrFmt: GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT; DataFmt: GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 8; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI; ClrFmt: GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI; DataFmt: GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_RGBA32UI; ClrFmt: GL_RGBA_INTEGER; DataFmt: GL_UNSIGNED_INT; RBit: 32; GBit: 32; BBit: 32; ABit: 32; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RGB32UI; ClrFmt: GL_RGB_INTEGER; DataFmt: GL_UNSIGNED_INT; RBit: 32; GBit: 32; BBit: 32; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_ALPHA32UI_EXT; ClrFmt: GL_ALPHA_INTEGER; DataFmt: GL_UNSIGNED_INT; RBit: 0; GBit: 0; BBit: 0; ABit: 32; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_INTENSITY32UI_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_UNSIGNED_INT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 32; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE32UI_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_UNSIGNED_INT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 32; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE_ALPHA32UI_EXT; ClrFmt: GL_LUMINANCE_ALPHA_INTEGER_EXT; DataFmt: GL_UNSIGNED_INT; RBit: 0; GBit: 0; BBit: 0; ABit: 32; LBit: 32; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RGBA16UI; ClrFmt: GL_RGBA_INTEGER; DataFmt: GL_UNSIGNED_SHORT; RBit: 16; GBit: 16; BBit: 16; ABit: 16; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RGB16UI; ClrFmt: GL_RGB_INTEGER; DataFmt: GL_UNSIGNED_SHORT; RBit: 16; GBit: 16; BBit: 16; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_ALPHA16UI_EXT; ClrFmt: GL_ALPHA_INTEGER; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 16; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_INTENSITY16UI_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 16; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE16UI_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 16; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE_ALPHA16UI_EXT; ClrFmt: GL_LUMINANCE_ALPHA_INTEGER_EXT; DataFmt: GL_UNSIGNED_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 16; LBit: 16; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RGBA8UI; ClrFmt: GL_RGBA_INTEGER; DataFmt: GL_UNSIGNED_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RGB8UI; ClrFmt: GL_RGB_INTEGER; DataFmt: GL_UNSIGNED_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_ALPHA8UI_EXT; ClrFmt: GL_ALPHA_INTEGER; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_INTENSITY8UI_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE8UI_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE_ALPHA8UI_EXT; ClrFmt: GL_LUMINANCE_ALPHA_INTEGER_EXT; DataFmt: GL_UNSIGNED_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 8; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RGBA32I; ClrFmt: GL_RGBA_INTEGER; DataFmt: GL_INT; RBit: 32; GBit: 32; BBit: 32; ABit: 32; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RGB32I; ClrFmt: GL_RGB_INTEGER; DataFmt: GL_INT; RBit: 32; GBit: 32; BBit: 32; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_ALPHA32I_EXT; ClrFmt: GL_ALPHA_INTEGER; DataFmt: GL_INT; RBit: 0; GBit: 0; BBit: 0; ABit: 32; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_INTENSITY32I_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_INT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 32; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE32I_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_INT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 32; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE_ALPHA32I_EXT; ClrFmt: GL_LUMINANCE_ALPHA_INTEGER_EXT; DataFmt: GL_INT; RBit: 0; GBit: 0; BBit: 0; ABit: 32; LBit: 32; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RGBA16I; ClrFmt: GL_RGBA_INTEGER; DataFmt: GL_SHORT; RBit: 16; GBit: 16; BBit: 16; ABit: 16; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RGB16I; ClrFmt: GL_RGB_INTEGER; DataFmt: GL_SHORT; RBit: 16; GBit: 16; BBit: 16; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_ALPHA16I_EXT; ClrFmt: GL_ALPHA_INTEGER; DataFmt: GL_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 16; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_INTENSITY16I_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 16; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE16I_EXT; ClrFmt: GL_LUMINANCE_INTEGER_EXT; DataFmt: GL_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 16; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE_ALPHA16I_EXT; ClrFmt: GL_LUMINANCE_ALPHA_INTEGER_EXT; DataFmt: GL_SHORT; RBit: 0; GBit: 0; BBit: 0; ABit: 16; LBit: 16; DBit: 0; Sign: True; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RGBA8I; ClrFmt: GL_RGBA_INTEGER; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RGB8I; ClrFmt: GL_RGB_INTEGER; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_ALPHA8I_EXT; ClrFmt: GL_ALPHA_INTEGER; DataFmt: GL_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_INTENSITY8I_EXT; ClrFmt: GL_INTENSITY; DataFmt: GL_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE8I_EXT; ClrFmt: GL_LUMINANCE; DataFmt: GL_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 0; LBit: 8; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_LUMINANCE_ALPHA8I_EXT; ClrFmt: GL_LUMINANCE_ALPHA; DataFmt: GL_BYTE; RBit: 0; GBit: 0; BBit: 0; ABit: 8; LBit: 8; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RG32UI; ClrFmt: GL_RG; DataFmt: GL_UNSIGNED_INT; RBit: 8; GBit: 8; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_R32UI; ClrFmt: GL_RED_INTEGER; DataFmt: GL_UNSIGNED_INT; RBit: 8; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RG16UI; ClrFmt: GL_RG; DataFmt: GL_UNSIGNED_SHORT; RBit: 16; GBit: 16; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_R16UI; ClrFmt: GL_RED_INTEGER; DataFmt: GL_UNSIGNED_SHORT; RBit: 16; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RG8UI; ClrFmt: GL_RG; DataFmt: GL_UNSIGNED_BYTE; RBit: 8; GBit: 8; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: True; Comp: False), (IntFmt: GL_R8UI; ClrFmt: GL_RED_INTEGER; DataFmt: GL_UNSIGNED_BYTE; RBit: 8; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RG32I; ClrFmt: GL_RG; DataFmt: GL_INT; RBit: 32; GBit: 32; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_R32I; ClrFmt: GL_RED_INTEGER; DataFmt: GL_INT; RBit: 16; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RG16I; ClrFmt: GL_RG; DataFmt: GL_SHORT; RBit: 16; GBit: 16; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_R16I; ClrFmt: GL_RED_INTEGER; DataFmt: GL_SHORT; RBit: 16; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RG8I; ClrFmt: GL_RG; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_R8I; ClrFmt: GL_RED_INTEGER; DataFmt: GL_BYTE; RBit: 8; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: True; Comp: False), (IntFmt: GL_RG8; ClrFmt: GL_RG; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_R8; ClrFmt: GL_RED; DataFmt: GL_BYTE; RBit: 8; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RG16; ClrFmt: GL_RG; DataFmt: GL_SHORT; RBit: 16; GBit: 16; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_R16; ClrFmt: GL_RED; DataFmt: GL_SHORT; RBit: 16; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RG16F; ClrFmt: GL_RG; DataFmt: GL_HALF_FLOAT; RBit: 16; GBit: 16; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_R16F; ClrFmt: GL_RED; DataFmt: GL_HALF_FLOAT; RBit: 16; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_RG32F; ClrFmt: GL_RG; DataFmt: GL_FLOAT; RBit: 32; GBit: 32; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_R32F; ClrFmt: GL_LUMINANCE; DataFmt: GL_FLOAT; RBit: 32; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: True; Fix: False; Comp: False), (IntFmt: GL_COMPRESSED_RED_RGTC1; ClrFmt: GL_COMPRESSED_RED_RGTC1; DataFmt: GL_COMPRESSED_RED_RGTC1; RBit: 8; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_SIGNED_RED_RGTC1; ClrFmt: GL_COMPRESSED_SIGNED_RED_RGTC1; DataFmt: GL_COMPRESSED_SIGNED_RED_RGTC1; RBit: 8; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_RG_RGTC2; ClrFmt: GL_COMPRESSED_RG_RGTC2; DataFmt: GL_COMPRESSED_RG_RGTC2; RBit: 8; GBit: 8; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: True), (IntFmt: GL_COMPRESSED_SIGNED_RG_RGTC2; ClrFmt: GL_COMPRESSED_SIGNED_RG_RGTC2; DataFmt: GL_COMPRESSED_SIGNED_RG_RGTC2; RBit: 8; GBit: 8; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: True; Flt: False; Fix: False; Comp: True), (IntFmt: GL_R8_SNORM; ClrFmt: GL_R; DataFmt: GL_BYTE; RBit: 8; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RG8_SNORM; ClrFmt: GL_RG; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB8_SNORM; ClrFmt: GL_RGB; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGBA8_SNORM; ClrFmt: GL_RGBA; DataFmt: GL_BYTE; RBit: 8; GBit: 8; BBit: 8; ABit: 8; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_R16_SNORM; ClrFmt: GL_R; DataFmt: GL_SHORT; RBit: 16; GBit: 0; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RG16_SNORM; ClrFmt: GL_RG; DataFmt: GL_SHORT; RBit: 16; GBit: 16; BBit: 0; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGB16_SNORM; ClrFmt: GL_RGB; DataFmt: GL_SHORT; RBit: 16; GBit: 16; BBit: 16; ABit: 0; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False), (IntFmt: GL_RGBA16_SNORM; ClrFmt: GL_RGBA; DataFmt: GL_SHORT; RBit: 16; GBit: 16; BBit: 16; ABit: 16; LBit: 0; DBit: 0; Sign: False; Flt: False; Fix: False; Comp: False) ); function InternalFormatToOpenGLFormat(intFormat: TGLInternalFormat): Cardinal; begin Result := cTextureFormatToOpenGL[intFormat].IntFmt; end; function OpenGLFormatToInternalFormat(glFormat: Cardinal): TGLInternalFormat; var i: TGLInternalFormat; begin Result := tfRGBA8; for i := Low(cTextureFormatToOpenGL) to High(cTextureFormatToOpenGL) do if glFormat = cTextureFormatToOpenGL[i].IntFmt then begin Result := i; Exit; end; Assert(false); end; function GetTextureElementSize(intFormat: TGLInternalFormat): Integer; begin Result := GetTextureElementSize( cTextureFormatToOpenGL[intFormat].ClrFmt, cTextureFormatToOpenGL[intFormat].DataFmt); end; function GetTextureElementSize(colorFormat: Cardinal; dataType: Cardinal): Integer; var components: Byte; begin case colorFormat of GL_RGB, GL_BGR: components := 3; GL_RGBA, GL_BGRA: components := 4; GL_ALPHA: components := 1; GL_LUMINANCE: components := 1; GL_LUMINANCE_ALPHA: components := 2; GL_INTENSITY: components := 1; GL_RED: components := 1; GL_GREEN: components := 1; GL_BLUE: components := 1; GL_RG: components := 2; GL_RGB_INTEGER: components := 3; GL_RGBA_INTEGER: components := 4; GL_ALPHA_INTEGER: components := 1; GL_LUMINANCE_INTEGER_EXT: components := 1; GL_LUMINANCE_ALPHA_INTEGER_EXT: components := 2; GL_RED_INTEGER: components := 1; GL_RG_INTEGER: components := 2; else components := 1; end; case dataType of GL_BITMAP, GL_UNSIGNED_BYTE, GL_BYTE: Result := components; GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV: Result := 1; GL_UNSIGNED_SHORT, GL_SHORT: Result := components * 2; GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV: Result := 2; GL_UNSIGNED_INT, GL_INT: Result := components * 4; GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, GL_UNSIGNED_INT_2_10_10_10_REV: Result := 4; GL_FLOAT: Result := components * 4; GL_HALF_FLOAT: Result := components * 2; GL_COMPRESSED_RGB_S3TC_DXT1_EXT: Result := 8; GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: Result := 8; GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: Result := 16; GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: Result := 16; GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: Result := 8; GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: Result := 8; GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: Result := 16; GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: Result := 16; GL_COMPRESSED_LUMINANCE_LATC1_EXT: Result := 8; GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT: Result := 8; GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT: Result := 16; GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT: Result := 16; GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI: Result := 16; GL_COMPRESSED_RED_RGTC1: Result := 8; GL_COMPRESSED_SIGNED_RED_RGTC1: Result := 8; GL_COMPRESSED_RG_RGTC2: Result := 16; GL_COMPRESSED_SIGNED_RG_RGTC2: Result := 16; else Result := 1; end; end; function CompressedInternalFormatToOpenGL(intFormat: TGLInternalFormat): Integer; begin Result := GL_COMPRESSED_RGBA; case intFormat of tfRGB8: Result := GL_COMPRESSED_RGB; tfRGBA8: Result := GL_COMPRESSED_RGBA; tfRGB5: Result := GL_COMPRESSED_RGB; tfRGBA4: Result := GL_COMPRESSED_RGBA; tfALPHA8: Result := GL_COMPRESSED_ALPHA; tfLUMINANCE8: Result := GL_COMPRESSED_LUMINANCE; tfLUMINANCE8_ALPHA8: Result := GL_COMPRESSED_LUMINANCE_ALPHA; tfINTENSITY8: Result := GL_COMPRESSED_INTENSITY; else Assert(false); end; end; procedure FindCompatibleDataFormat(intFormat: TGLInternalFormat; out dFormat: Cardinal; out dType: Cardinal); begin dFormat := cTextureFormatToOpenGL[intFormat].ClrFmt; dType := cTextureFormatToOpenGL[intFormat].DataFmt; end; function IsTargetSupported(target: TGLTextureTarget): Boolean; begin Result := IsTargetSupported(DecodeTextureTarget(target)); end; function IsTargetSupported(glTarget: Cardinal): Boolean; begin case glTarget of GL_TEXTURE_1D: Result := GL.VERSION_1_1 or GL.EXT_texture_object; GL_TEXTURE_2D: Result := GL.VERSION_1_1 or GL.EXT_texture_object; GL_TEXTURE_3D: Result := GL.EXT_texture3D; GL_TEXTURE_RECTANGLE: Result := GL.ARB_texture_rectangle; GL_TEXTURE_CUBE_MAP, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: Result := GL.ARB_texture_cube_map; GL_TEXTURE_1D_ARRAY: Result := GL.EXT_texture_array; GL_TEXTURE_2D_ARRAY: Result := GL.EXT_texture_array; GL_TEXTURE_CUBE_MAP_ARRAY: Result := GL.ARB_texture_cube_map_array; GL_TEXTURE_BUFFER: Result := GL.ARB_texture_buffer_object; GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_2D_MULTISAMPLE_ARRAY: Result := GL.ARB_texture_multisample; else begin Result := false; Assert(False, strErrorEx + strUnknownType); end; end; end; function IsFormatSupported(intFormat: TGLInternalFormat): Boolean; begin Result := false; if ((intFormat >= tfALPHA4) and (intFormat <= tfALPHA16)) or ((intFormat >= tfLUMINANCE4) and (intFormat <= tfR16G16B16A16)) then begin Result := GL.VERSION_1_1; EXIT; end; if ((intFormat >= tfDEPTH_COMPONENT16) and (intFormat <= tfDEPTH_COMPONENT32)) then begin Result := GL.ARB_depth_texture; EXIT; end; if ((intFormat >= tfCOMPRESSED_RGB_S3TC_DXT1) and (intFormat <= tfCOMPRESSED_RGBA_S3TC_DXT5)) then begin Result := GL.EXT_texture_compression_s3tc; EXIT; end; if ((intFormat >= tfSIGNED_LUMINANCE8) and (intFormat <= tfDSDT8_MAG8_INTENSITY8)) then begin Result := GL.NV_texture_shader; EXIT; end; if ((intFormat = tfHILO8) or (intFormat = tfSIGNED_HILO8)) then begin Result := GL.NV_texture_shader3; EXIT; end; if ((intFormat >= tfFLOAT_R16) and (intFormat <= tfFLOAT_RGBA32)) then begin Result := GL.NV_float_buffer; EXIT; end; if ((intFormat >= tfRGBA_FLOAT32) and (intFormat <= tfLUMINANCE_ALPHA_FLOAT16)) then begin Result := GL.ARB_texture_float or GL.ATI_texture_float; EXIT; end; if intFormat = tfDEPTH24_STENCIL8 then begin Result := GL.EXT_packed_depth_stencil; EXIT; end; if ((intFormat = tfDEPTH_COMPONENT32F) or (intFormat = tfDEPTH32F_STENCIL8)) then begin Result := GL.NV_depth_buffer_float; EXIT; end; if ((intFormat >= tfSRGB8) and (intFormat <= tfCOMPRESSED_SRGB_ALPHA_S3TC_DXT5)) then begin Result := GL.EXT_texture_sRGB; EXIT; end; if intFormat = tfRGB9_E5 then begin Result := GL.EXT_texture_shared_exponent; EXIT; end; if intFormat = tfR11F_G11F_B10F then begin Result := GL.EXT_packed_float; EXIT; end; if ((intFormat >= tfCOMPRESSED_LUMINANCE_LATC1) and (intFormat <= tfCOMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2)) then begin Result := GL.EXT_texture_compression_latc; EXIT; end; if intFormat = tfCOMPRESSED_LUMINANCE_ALPHA_3DC then begin Result := GL.ATI_texture_compression_3dc; EXIT; end; if ((intFormat >= tfRGBA32UI) and (intFormat <= tfLUMINANCE_ALPHA8I)) then begin Result := GL.EXT_texture_integer; EXIT; end; if ((intFormat >= tfRG32UI) and (intFormat <= tfR32F)) then Result := GL.ARB_texture_rg; if ((intFormat >= tfCOMPRESSED_RED_RGTC1) and (intFormat <= tfCOMPRESSED_SIGNED_RG_RGTC2)) then begin Result := GL.ARB_texture_compression_rgtc; EXIT; end; if ((intFormat >= tfR8_SNORM) and (intFormat <= tfRGBA16_SNORM)) then begin Result := GL.VERSION_3_1; EXIT; end end; function IsFloatFormat(intFormat: TGLInternalFormat): boolean; begin Result := cTextureFormatToOpenGL[intFormat].Flt; end; function IsFloatFormat(glFormat: Cardinal): boolean; begin Result := IsFloatFormat(OpenGLFormatToInternalFormat(glFormat)); end; function IsDepthFormat(intFormat: TGLInternalFormat): boolean; begin Result := cTextureFormatToOpenGL[intFormat].DBit > 0; end; function IsDepthFormat(glFormat: Cardinal): boolean; begin Result := cTextureFormatToOpenGL[OpenGLFormatToInternalFormat(glFormat)].DBit > 0; end; function IsCompressedFormat(intFormat: TGLInternalFormat): boolean; begin Result := cTextureFormatToOpenGL[intFormat].Comp; end; function IsCompressedFormat(glFormat: Cardinal): boolean; begin Result := cTextureFormatToOpenGL[OpenGLFormatToInternalFormat(glFormat)].Comp; end; function GetGenericCompressedFormat(const intFormat: TGLInternalFormat; const colorFormat: Cardinal; out internalFormat: Cardinal): Boolean; begin Result := false; if IsCompressedFormat(intFormat) then Exit; if not IsFormatSupported(intFormat) then Exit; internalFormat := 0; if ((intFormat >= tfSRGB8) and (intFormat <= tfCOMPRESSED_SRGB_ALPHA_S3TC_DXT5)) then case colorFormat of GL_RGB: internalFormat := GL_COMPRESSED_SRGB; GL_RGBA: internalFormat := GL_COMPRESSED_SRGB_ALPHA; GL_LUMINANCE: internalFormat := GL_COMPRESSED_SLUMINANCE; GL_LUMINANCE_ALPHA: internalFormat := GL_COMPRESSED_SLUMINANCE_ALPHA; end else case colorFormat of GL_RGB, GL_BGR: internalFormat := GL_COMPRESSED_RGB; GL_RGBA, GL_BGRA: internalFormat := GL_COMPRESSED_RGBA; GL_ALPHA: internalFormat := GL_COMPRESSED_ALPHA; GL_LUMINANCE: internalFormat := GL_COMPRESSED_LUMINANCE; GL_LUMINANCE_ALPHA: internalFormat := GL_COMPRESSED_LUMINANCE_ALPHA; GL_INTENSITY: internalFormat := GL_COMPRESSED_INTENSITY; GL_RED: internalFormat := GL_COMPRESSED_RED; GL_RG: internalFormat := GL_COMPRESSED_RG; end; if internalFormat = 0 then Exit; Result := true; end; function GetUncompressedFormat(const intFormat: TGLInternalFormat; out internalFormat: TGLInternalFormat; out colorFormat: Cardinal): Boolean; begin Result := false; if not IsCompressedFormat(intFormat) then Exit; if not IsFormatSupported(intFormat) then Exit; colorFormat := 0; case intFormat of tfCOMPRESSED_RGB_S3TC_DXT1: begin colorFormat := GL_RGB; internalFormat := tfRGB8; end; tfCOMPRESSED_RGBA_S3TC_DXT1: begin colorFormat := GL_RGBA; internalFormat := tfRGBA8; end; tfCOMPRESSED_RGBA_S3TC_DXT3: begin colorFormat := GL_RGBA; internalFormat := tfRGBA8; end; tfCOMPRESSED_RGBA_S3TC_DXT5: begin colorFormat := GL_RGBA; internalFormat := tfRGBA8; end; tfCOMPRESSED_SRGB_S3TC_DXT1: begin colorFormat := GL_RGBA; internalFormat := tfSRGB8; end; tfCOMPRESSED_SRGB_ALPHA_S3TC_DXT1: begin colorFormat := GL_RGBA; internalFormat := tfSRGB8_ALPHA8; end; tfCOMPRESSED_SRGB_ALPHA_S3TC_DXT3: begin colorFormat := GL_RGBA; internalFormat := tfSRGB8_ALPHA8; end; tfCOMPRESSED_SRGB_ALPHA_S3TC_DXT5: begin colorFormat := GL_RGBA; internalFormat := tfSRGB8_ALPHA8; end; tfCOMPRESSED_LUMINANCE_LATC1: begin colorFormat := GL_LUMINANCE; internalFormat := tfLUMINANCE8; end; tfCOMPRESSED_SIGNED_LUMINANCE_LATC1: begin colorFormat := GL_LUMINANCE; internalFormat := tfSIGNED_LUMINANCE8; end; tfCOMPRESSED_LUMINANCE_ALPHA_LATC2: begin colorFormat := GL_LUMINANCE_ALPHA; internalFormat := tfLUMINANCE8_ALPHA8; end; tfCOMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2: begin colorFormat := GL_LUMINANCE_ALPHA; internalFormat := tfSIGNED_LUMINANCE8_ALPHA8; end; tfCOMPRESSED_LUMINANCE_ALPHA_3DC: begin colorFormat := GL_LUMINANCE_ALPHA; internalFormat := tfLUMINANCE8_ALPHA8; end; tfCOMPRESSED_RED_RGTC1: begin colorFormat := GL_RED; internalFormat := tfR8; end; tfCOMPRESSED_SIGNED_RED_RGTC1: begin colorFormat := GL_RED; internalFormat := tfR8; end; tfCOMPRESSED_RG_RGTC2: begin colorFormat := GL_RG; internalFormat := tfRG8; end; tfCOMPRESSED_SIGNED_RG_RGTC2: begin colorFormat := GL_RG; internalFormat := tfRG8; end; end; Result := colorFormat <> 0; end; function DecodeTextureTarget(const TextureTarget: TGLTextureTarget): Cardinal; const cTargetToEnum: array[TGLTextureTarget] of Cardinal = ( 0, GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_TEXTURE_1D_ARRAY, GL_TEXTURE_2D_ARRAY, GL_TEXTURE_RECTANGLE, GL_TEXTURE_BUFFER, GL_TEXTURE_CUBE_MAP, GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_2D_MULTISAMPLE_ARRAY, GL_TEXTURE_CUBE_MAP_ARRAY ); begin Assert(TextureTarget <> ttNoShape); Result := cTargetToEnum[TextureTarget]; end; function EncodeGLTextureTarget(const glTarget: Cardinal): TGLTextureTarget; begin case glTarget of GL_TEXTURE_1D: Result := ttTexture1d; GL_TEXTURE_2D: Result := ttTexture2d; GL_TEXTURE_3D: Result := ttTexture3d; GL_TEXTURE_RECTANGLE: Result := ttTextureRect; GL_TEXTURE_CUBE_MAP: Result := ttTextureCube; GL_TEXTURE_1D_ARRAY: Result := ttTexture1dArray; GL_TEXTURE_2D_ARRAY: Result := ttTexture2dArray; GL_TEXTURE_CUBE_MAP_ARRAY: Result := ttTextureCubeArray; GL_TEXTURE_2D_MULTISAMPLE: Result := ttTexture2DMultisample; GL_TEXTURE_2D_MULTISAMPLE_ARRAY: Result := ttTexture2DMultisampleArray; else begin Result := ttTexture2d; Assert(False, strErrorEx + strUnknownType); end; end; end; function IsTargetSupportMipmap(const TextureTarget: TGLTextureTarget): Boolean; begin Result := (TextureTarget <> ttTextureRect) and (TextureTarget <> ttTexture2DMultisample) and (TextureTarget <> ttTexture2DMultisampleArray); end; function IsTargetSupportMipmap(const glTarget: Cardinal): Boolean; begin Result := (glTarget <> GL_TEXTURE_RECTANGLE) and (glTarget <> GL_TEXTURE_2D_MULTISAMPLE) and (glTarget <> GL_TEXTURE_2D_MULTISAMPLE_ARRAY); end; end.