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Add RGTC + BPTC support (#6320)

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* Add RGTC support
* Add BPTC support
This commit is contained in:
Koncz Levente
2022-12-06 20:18:35 +01:00
committed by GitHub
parent d8c9391498
commit c2fcaf7a6b
17 changed files with 233 additions and 9 deletions
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7
libs/ktxreader/src/Ktx2Reader.cpp
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@@ -69,9 +69,6 @@ struct FinalFormatInfo {
// transcoder_texture_format::cTFPVRTC2_4_RGBA
// transcoder_texture_format::cTFPVRTC1_4_RGB
// transcoder_texture_format::cTFPVRTC1_4_RGBA
// transcoder_texture_format::cTFBC4_R
// transcoder_texture_format::cTFBC5_RG
// transcoder_texture_format::cTFBC7_RGBA (this format would add size bloat to the transcoder)
// transcoder_texture_format::cTFBGR565 (note the blue/red swap)
//
static FinalFormatInfo getFinalFormatInfo(Texture::InternalFormat fmt) {
@@ -89,6 +86,10 @@ static FinalFormatInfo getFinalFormatInfo(Texture::InternalFormat fmt) {
case tif::DXT1_RGB: return {"DXT1_RGB", true, true, LINEAR, ttf::cTFBC1_RGB, tct::DXT1_SRGB};
case tif::DXT5_SRGBA: return {"DXT5_SRGBA", true, true, sRGB, ttf::cTFBC3_RGBA, tct::DXT5_RGBA};
case tif::DXT5_RGBA: return {"DXT5_RGBA", true, true, LINEAR, ttf::cTFBC3_RGBA, tct::DXT5_SRGBA};
case tif::RED_RGTC1: return {"RED_RGTC1", true, true, LINEAR, ttf::cTFBC4_R, tct::RED_RGTC1};
case tif::RED_GREEN_RGTC2: return {"RED_GREEN_RGTC2", true, true, LINEAR, ttf::cTFBC5_RG, tct::RED_GREEN_RGTC2};
case tif::RGBA_BPTC_UNORM: return {"RGBA_BPTC_UNORM", true, true, LINEAR, ttf::cTFBC7_RGBA, tct::RGBA_BPTC_UNORM};
case tif::SRGB_ALPHA_BPTC_UNORM: return {"SRGB_ALPHA_BPTC_UNORM", true, true, sRGB, ttf::cTFBC7_RGBA, tct::SRGB_ALPHA_BPTC_UNORM};
case tif::SRGB8_ALPHA8_ASTC_4x4: return {"SRGB8_ALPHA8_ASTC_4x4", true, true, sRGB, ttf::cTFASTC_4x4_RGBA, tct::RGBA_ASTC_4x4};
case tif::RGBA_ASTC_4x4: return {"RGBA_ASTC_4x4", true, true, LINEAR, ttf::cTFASTC_4x4_RGBA, tct::SRGB8_ALPHA8_ASTC_4x4};
case tif::EAC_R11: return {"EAC_R11", true, true, LINEAR, ttf::cTFETC2_EAC_R11, tct::EAC_R11};