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Rip out compressed color formats

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This commit is contained in:
sfan5 2024-01-16 19:42:21 +01:00
parent edc678f995
commit 8f44270e4a
14 changed files with 5 additions and 606 deletions
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15
include/EDriverFeatures.h
View File

@ -121,21 +121,6 @@ namespace video
//! Support for texture coord transformation via texture matrix
EVDF_TEXTURE_MATRIX,
//! Support for DXTn compressed textures.
EVDF_TEXTURE_COMPRESSED_DXT,
//! Support for PVRTC compressed textures.
EVDF_TEXTURE_COMPRESSED_PVRTC,
//! Support for PVRTC2 compressed textures.
EVDF_TEXTURE_COMPRESSED_PVRTC2,
//! Support for ETC1 compressed textures.
EVDF_TEXTURE_COMPRESSED_ETC1,
//! Support for ETC2 compressed textures.
EVDF_TEXTURE_COMPRESSED_ETC2,
//! Support for cube map textures.
EVDF_TEXTURE_CUBEMAP,

103
include/IImage.h
View File

@ -362,28 +362,6 @@ public:
return 24;
case ECF_A8R8G8B8:
return 32;
case ECF_DXT1:
return 16;
case ECF_DXT2:
case ECF_DXT3:
case ECF_DXT4:
case ECF_DXT5:
return 32;
case ECF_PVRTC_RGB2:
return 12;
case ECF_PVRTC_ARGB2:
case ECF_PVRTC2_ARGB2:
return 16;
case ECF_PVRTC_RGB4:
return 24;
case ECF_PVRTC_ARGB4:
case ECF_PVRTC2_ARGB4:
return 32;
case ECF_ETC1:
case ECF_ETC2_RGB:
return 24;
case ECF_ETC2_ARGB:
return 32;
case ECF_D16:
return 16;
case ECF_D32:
@ -418,74 +396,17 @@ public:
//! calculate image data size in bytes for selected format, width and height.
static u32 getDataSizeFromFormat(ECOLOR_FORMAT format, u32 width, u32 height)
{
u32 imageSize = 0;
switch (format)
{
case ECF_DXT1:
imageSize = ((width + 3) / 4) * ((height + 3) / 4) * 8;
break;
case ECF_DXT2:
case ECF_DXT3:
case ECF_DXT4:
case ECF_DXT5:
imageSize = ((width + 3) / 4) * ((height + 3) / 4) * 16;
break;
case ECF_PVRTC_RGB2:
case ECF_PVRTC_ARGB2:
imageSize = (core::max_<u32>(width, 16) * core::max_<u32>(height, 8) * 2 + 7) / 8;
break;
case ECF_PVRTC_RGB4:
case ECF_PVRTC_ARGB4:
imageSize = (core::max_<u32>(width, 8) * core::max_<u32>(height, 8) * 4 + 7) / 8;
break;
case ECF_PVRTC2_ARGB2:
imageSize = core::ceil32(width / 8.0f) * core::ceil32(height / 4.0f) * 8;
break;
case ECF_PVRTC2_ARGB4:
case ECF_ETC1:
case ECF_ETC2_RGB:
imageSize = core::ceil32(width / 4.0f) * core::ceil32(height / 4.0f) * 8;
break;
case ECF_ETC2_ARGB:
imageSize = core::ceil32(width / 4.0f) * core::ceil32(height / 4.0f) * 16;
break;
default: // uncompressed formats
imageSize = getBitsPerPixelFromFormat(format) / 8 * width;
imageSize *= height;
break;
}
// non-compressed formats
u32 imageSize = getBitsPerPixelFromFormat(format) / 8 * width;
imageSize *= height;
return imageSize;
}
// Define to check for all compressed image formats cases in a switch
#define IRR_CASE_IIMAGE_COMPRESSED_FORMAT\
case ECF_DXT1:\
case ECF_DXT2:\
case ECF_DXT3:\
case ECF_DXT4:\
case ECF_DXT5:\
case ECF_PVRTC_RGB2:\
case ECF_PVRTC_ARGB2:\
case ECF_PVRTC2_ARGB2:\
case ECF_PVRTC_RGB4:\
case ECF_PVRTC_ARGB4:\
case ECF_PVRTC2_ARGB4:\
case ECF_ETC1:\
case ECF_ETC2_RGB:\
case ECF_ETC2_ARGB:
//! check if this is compressed color format
static bool isCompressedFormat(const ECOLOR_FORMAT format)
{
switch(format)
{
IRR_CASE_IIMAGE_COMPRESSED_FORMAT
return true;
default:
return false;
}
return false;
}
//! check if the color format is only viable for depth/stencil textures
@ -523,22 +444,6 @@ public:
return false;
}
#if defined(PATCH_SUPERTUX_8_0_1_with_1_9_0)
static bool isRenderTargetOnlyFormat(const ECOLOR_FORMAT format)
{
switch (format)
{
case ECF_A1R5G5B5:
case ECF_R5G6B5:
case ECF_R8G8B8:
case ECF_A8R8G8B8:
return false;
default:
return true;
}
}
#endif
protected:
ECOLOR_FORMAT Format;
core::dimension2d<u32> Size;

5
include/ITexture.h
View File

@ -292,11 +292,6 @@ public:
{
case ECF_A8R8G8B8:
case ECF_A1R5G5B5:
case ECF_DXT1:
case ECF_DXT2:
case ECF_DXT3:
case ECF_DXT4:
case ECF_DXT5:
case ECF_A16B16G16R16F:
case ECF_A32B32G32R32F:
status = true;

58
include/SColor.h
View File

@ -37,50 +37,6 @@ namespace video
//! Warning: This tends to be BGRA in memory (it's ARGB on file, but with usual big-endian memory it's flipped)
ECF_A8R8G8B8,
/** Compressed image formats. **/
//! DXT1 color format.
ECF_DXT1,
//! DXT2 color format.
ECF_DXT2,
//! DXT3 color format.
ECF_DXT3,
//! DXT4 color format.
ECF_DXT4,
//! DXT5 color format.
ECF_DXT5,
//! PVRTC RGB 2bpp.
ECF_PVRTC_RGB2,
//! PVRTC ARGB 2bpp.
ECF_PVRTC_ARGB2,
//! PVRTC RGB 4bpp.
ECF_PVRTC_RGB4,
//! PVRTC ARGB 4bpp.
ECF_PVRTC_ARGB4,
//! PVRTC2 ARGB 2bpp.
ECF_PVRTC2_ARGB2,
//! PVRTC2 ARGB 4bpp.
ECF_PVRTC2_ARGB4,
//! ETC1 RGB.
ECF_ETC1,
//! ETC2 RGB.
ECF_ETC2_RGB,
//! ETC2 ARGB.
ECF_ETC2_ARGB,
/** The following formats may only be used for render target textures. */
/** Floating point formats. */
@ -139,20 +95,6 @@ namespace video
"R5G6B5",
"R8G8B8",
"A8R8G8B8",
"DXT1",
"DXT2",
"DXT3",
"DXT4",
"DXT5",
"PVRTC_RGB2",
"PVRTC_ARGB2",
"PVRTC_RGB4",
"PVRTC_ARGB4",
"PVRTC2_ARGB2",
"PVRTC2_ARGB4",
"ETC1",
"ETC2_RGB",
"ETC2_ARGB",
"R16F",
"G16R16F",
"A16B16G16R16F",

15
source/Irrlicht/CColorConverter.cpp
View File

@ -757,9 +757,6 @@ void CColorConverter::convert_viaFormat(const void* sP, ECOLOR_FORMAT sF, s32 sN
case ECF_R8G8B8:
convert_A1R5G5B5toR8G8B8(sP, sN, dP);
break;
IRR_CASE_IIMAGE_COMPRESSED_FORMAT
os::Printer::log("CColorConverter::convert_viaFormat method doesn't support compressed images.", ELL_WARNING);
break;
default:
break;
@ -780,9 +777,6 @@ void CColorConverter::convert_viaFormat(const void* sP, ECOLOR_FORMAT sF, s32 sN
case ECF_R8G8B8:
convert_R5G6B5toR8G8B8(sP, sN, dP);
break;
IRR_CASE_IIMAGE_COMPRESSED_FORMAT
os::Printer::log("CColorConverter::convert_viaFormat method doesn't support compressed images.", ELL_WARNING);
break;
default:
break;
@ -803,9 +797,6 @@ void CColorConverter::convert_viaFormat(const void* sP, ECOLOR_FORMAT sF, s32 sN
case ECF_R8G8B8:
convert_A8R8G8B8toR8G8B8(sP, sN, dP);
break;
IRR_CASE_IIMAGE_COMPRESSED_FORMAT
os::Printer::log("CColorConverter::convert_viaFormat method doesn't support compressed images.", ELL_WARNING);
break;
default:
break;
@ -826,17 +817,11 @@ void CColorConverter::convert_viaFormat(const void* sP, ECOLOR_FORMAT sF, s32 sN
case ECF_R8G8B8:
convert_R8G8B8toR8G8B8(sP, sN, dP);
break;
IRR_CASE_IIMAGE_COMPRESSED_FORMAT
os::Printer::log("CColorConverter::convert_viaFormat method doesn't support compressed images.", ELL_WARNING);
break;
default:
break;
}
break;
IRR_CASE_IIMAGE_COMPRESSED_FORMAT
os::Printer::log("CColorConverter::convert_viaFormat method doesn't support compressed images.", ELL_WARNING);
break;
default:
break;

8
source/Irrlicht/CImage.cpp
View File

@ -75,10 +75,6 @@ void CImage::setPixel(u32 x, u32 y, const SColor &color, bool blend)
*dest = blend ? PixelBlend32 ( *dest, color.color ) : color.color;
} break;
IRR_CASE_IIMAGE_COMPRESSED_FORMAT
os::Printer::log("IImage::setPixel method doesn't work with compressed images.", ELL_WARNING);
return;
case ECF_UNKNOWN:
os::Printer::log("IImage::setPixel unknown format.", ELL_WARNING);
return;
@ -109,10 +105,6 @@ SColor CImage::getPixel(u32 x, u32 y) const
return SColor(255,p[0],p[1],p[2]);
}
IRR_CASE_IIMAGE_COMPRESSED_FORMAT
os::Printer::log("IImage::getPixel method doesn't work with compressed images.", ELL_WARNING);
break;
case ECF_UNKNOWN:
os::Printer::log("IImage::getPixel unknown format.", ELL_WARNING);
break;

62
source/Irrlicht/CNullDriver.cpp
View File

@ -1001,68 +1001,6 @@ bool CNullDriver::checkPrimitiveCount(u32 prmCount) const
bool CNullDriver::checkImage(IImage *image) const
{
ECOLOR_FORMAT format = image->getColorFormat();
core::dimension2d<u32> size = image->getDimension();
switch (format)
{
case ECF_DXT1:
case ECF_DXT2:
case ECF_DXT3:
case ECF_DXT4:
case ECF_DXT5:
if (!queryFeature(EVDF_TEXTURE_COMPRESSED_DXT))
{
os::Printer::log("DXT texture compression not available.", ELL_ERROR);
return false;
}
else if (size.getOptimalSize(true, false) != size)
{
os::Printer::log("Invalid size of image for DXT texture, size of image must be power of two.", ELL_ERROR);
return false;
}
break;
case ECF_PVRTC_RGB2:
case ECF_PVRTC_ARGB2:
case ECF_PVRTC_RGB4:
case ECF_PVRTC_ARGB4:
if (!queryFeature(EVDF_TEXTURE_COMPRESSED_PVRTC))
{
os::Printer::log("PVRTC texture compression not available.", ELL_ERROR);
return false;
}
else if (size.getOptimalSize(true, false) != size)
{
os::Printer::log("Invalid size of image for PVRTC compressed texture, size of image must be power of two and squared.", ELL_ERROR);
return false;
}
break;
case ECF_PVRTC2_ARGB2:
case ECF_PVRTC2_ARGB4:
if (!queryFeature(EVDF_TEXTURE_COMPRESSED_PVRTC2))
{
os::Printer::log("PVRTC2 texture compression not available.", ELL_ERROR);
return false;
}
break;
case ECF_ETC1:
if (!queryFeature(EVDF_TEXTURE_COMPRESSED_ETC1))
{
os::Printer::log("ETC1 texture compression not available.", ELL_ERROR);
return false;
}
break;
case ECF_ETC2_RGB:
case ECF_ETC2_ARGB:
if (!queryFeature(EVDF_TEXTURE_COMPRESSED_ETC2))
{
os::Printer::log("ETC2 texture compression not available.", ELL_ERROR);
return false;
}
break;
default:
break;
}
return true;
}

86
source/Irrlicht/COGLES2Driver.cpp
View File

@ -2533,92 +2533,6 @@ COGLES2Driver::~COGLES2Driver()
}
pixelType = GL_UNSIGNED_BYTE;
break;
#ifdef GL_EXT_texture_compression_s3tc
case ECF_DXT1:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
break;
#endif
#ifdef GL_EXT_texture_compression_s3tc
case ECF_DXT2:
case ECF_DXT3:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
break;
#endif
#ifdef GL_EXT_texture_compression_s3tc
case ECF_DXT4:
case ECF_DXT5:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_RGB2:
supported = true;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_ARGB2:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_RGB4:
supported = true;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_ARGB4:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc2
case ECF_PVRTC2_ARGB2:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc2
case ECF_PVRTC2_ARGB4:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG;
break;
#endif
#ifdef GL_OES_compressed_ETC1_RGB8_texture
case ECF_ETC1:
supported = true;
pixelFormat = GL_RGB;
pixelType = GL_ETC1_RGB8_OES;
break;
#endif
#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available
case ECF_ETC2_RGB:
supported = true;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB8_ETC2;
break;
#endif
#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available
case ECF_ETC2_ARGB:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA8_ETC2_EAC;
break;
#endif
case ECF_D16:
supported = true;
pixelFormat = GL_DEPTH_COMPONENT;

10
source/Irrlicht/COGLES2ExtensionHandler.h
View File

@ -64,16 +64,6 @@ namespace video
case EVDF_MRT_BLEND_FUNC:
case EVDF_OCCLUSION_QUERY:
return false;
case EVDF_TEXTURE_COMPRESSED_DXT:
return false; // NV Tegra need improvements here
case EVDF_TEXTURE_COMPRESSED_PVRTC:
return FeatureAvailable[IRR_GL_IMG_texture_compression_pvrtc];
case EVDF_TEXTURE_COMPRESSED_PVRTC2:
return FeatureAvailable[IRR_GL_IMG_texture_compression_pvrtc2];
case EVDF_TEXTURE_COMPRESSED_ETC1:
return FeatureAvailable[IRR_GL_OES_compressed_ETC1_RGB8_texture];
case EVDF_TEXTURE_COMPRESSED_ETC2:
return false;
case EVDF_STENCIL_BUFFER:
return StencilBuffer;
default:

98
source/Irrlicht/COGLESDriver.cpp
View File

@ -2888,104 +2888,6 @@ bool COGLES1Driver::getColorFormatParameters(ECOLOR_FORMAT format, GLint& intern
}
pixelType = GL_UNSIGNED_BYTE;
break;
#ifdef GL_EXT_texture_compression_s3tc
case ECF_DXT1:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
break;
#endif
#ifdef GL_EXT_texture_compression_s3tc
case ECF_DXT2:
case ECF_DXT3:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
break;
#endif
#ifdef GL_EXT_texture_compression_s3tc
case ECF_DXT4:
case ECF_DXT5:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_RGB2:
supported = true;
internalFormat = GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_ARGB2:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_RGB4:
supported = true;
internalFormat = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_ARGB4:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc2
case ECF_PVRTC2_ARGB2:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG;
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc2
case ECF_PVRTC2_ARGB4:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG;
break;
#endif
#ifdef GL_OES_compressed_ETC1_RGB8_texture
case ECF_ETC1:
supported = true;
internalFormat = GL_ETC1_RGB8_OES;
pixelFormat = GL_RGB;
pixelType = GL_ETC1_RGB8_OES;
break;
#endif
#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available
case ECF_ETC2_RGB:
supported = true;
internalFormat = GL_COMPRESSED_RGB8_ETC2;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB8_ETC2;
break;
#endif
#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available
case ECF_ETC2_ARGB:
supported = true;
internalFormat = GL_COMPRESSED_RGBA8_ETC2_EAC;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA8_ETC2_EAC;
break;
#endif
case ECF_D16:
supported = true;
internalFormat = GL_DEPTH_COMPONENT16;

8
source/Irrlicht/COGLESExtensionHandler.h
View File

@ -55,14 +55,6 @@ namespace video
return FeatureAvailable[IRR_GL_OES_framebuffer_object];
case EVDF_VERTEX_BUFFER_OBJECT:
return Version>100;
case EVDF_TEXTURE_COMPRESSED_DXT:
return false; // NV Tegra need improvements here
case EVDF_TEXTURE_COMPRESSED_PVRTC:
return FeatureAvailable[IRR_GL_IMG_texture_compression_pvrtc];
case EVDF_TEXTURE_COMPRESSED_ETC1:
return FeatureAvailable[IRR_GL_OES_compressed_ETC1_RGB8_texture];
case EVDF_TEXTURE_CUBEMAP:
return FeatureAvailable[IRR_GL_OES_texture_cube_map];
default:
return true;
};

23
source/Irrlicht/COpenGLDriver.cpp
View File

@ -3962,29 +3962,6 @@ bool COpenGLDriver::getColorFormatParameters(ECOLOR_FORMAT format, GLint& intern
if (Version > 101)
pixelType = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case ECF_DXT1:
if (queryOpenGLFeature(COpenGLExtensionHandler::IRR_EXT_texture_compression_s3tc))
{
supported = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
pixelFormat = GL_BGRA_EXT;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
}
break;
case ECF_DXT2:
case ECF_DXT3:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
pixelFormat = GL_BGRA_EXT;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
break;
case ECF_DXT4:
case ECF_DXT5:
supported = true;
internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
pixelFormat = GL_BGRA_EXT;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
break;
case ECF_D16:
supported = true;
internalFormat = GL_DEPTH_COMPONENT16;

2
source/Irrlicht/COpenGLExtensionHandler.cpp
View File

@ -882,8 +882,6 @@ bool COpenGLExtensionHandler::queryFeature(E_VIDEO_DRIVER_FEATURE feature) const
return (Version>=104) || FeatureAvailable[IRR_EXT_blend_func_separate];
case EVDF_TEXTURE_MATRIX:
return true;
case EVDF_TEXTURE_COMPRESSED_DXT:
return FeatureAvailable[IRR_EXT_texture_compression_s3tc];
case EVDF_TEXTURE_CUBEMAP:
return (Version >= 103) || FeatureAvailable[IRR_ARB_texture_cube_map] || FeatureAvailable[IRR_EXT_texture_cube_map];
case EVDF_TEXTURE_CUBEMAP_SEAMLESS:

116
source/Irrlicht/CWebGL1Driver.cpp
View File

@ -782,122 +782,6 @@ bool CWebGL1Driver::getColorFormatParameters(ECOLOR_FORMAT format, GLint& intern
*converter = CColorConverter::convert_A8R8G8B8toA8B8G8R8;
pixelType = GL_UNSIGNED_BYTE;
break;
#ifdef GL_EXT_texture_compression_dxt1
case ECF_DXT1:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_s3tc) )
{
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
}
break;
#endif
#ifdef GL_EXT_texture_compression_s3tc
case ECF_DXT2:
case ECF_DXT3:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_s3tc) )
{
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
}
break;
#endif
#ifdef GL_EXT_texture_compression_s3tc
case ECF_DXT4:
case ECF_DXT5:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_s3tc) )
{
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
}
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_RGB2:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_pvrtc) )
{
supported = true;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
}
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_ARGB2:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_pvrtc) )
{
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
}
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_RGB4:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_pvrtc) )
{
supported = true;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
}
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc
case ECF_PVRTC_ARGB4:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_pvrtc) )
{
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
}
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc2
case ECF_PVRTC2_ARGB2:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_pvrtc) )
{
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG;
}
break;
#endif
#ifdef GL_IMG_texture_compression_pvrtc2
case ECF_PVRTC2_ARGB4:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_pvrtc) )
{
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG;
}
break;
#endif
#ifdef GL_OES_compressed_ETC1_RGB8_texture
case ECF_ETC1:
if ( WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_compressed_texture_etc1) )
{
supported = true;
pixelFormat = GL_RGB;
pixelType = GL_ETC1_RGB8_OES;
}
break;
#endif
#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available
case ECF_ETC2_RGB:
supported = true;
pixelFormat = GL_RGB;
pixelType = GL_COMPRESSED_RGB8_ETC2;
break;
#endif
#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available
case ECF_ETC2_ARGB:
supported = true;
pixelFormat = GL_RGBA;
pixelType = GL_COMPRESSED_RGBA8_ETC2_EAC;
break;
#endif
case ECF_D16:
if (WebGLExtensions.queryWebGLFeature(CWebGLExtensionHandler::IRR_WEBGL_depth_texture))
{