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video_core/surface: Add function to detect sRGB surfaces 

This is required for proper conversion to RGBA8_UNORM or RGBA8_SRGB
surfaces when a backend can target both native and converted ASTC.
merge-requests/60/head
ReinUsesLisp 2019-09-13 00:17:26 +07:00
parent 34b2c60f95
commit 99e23bd0fd
2 changed files with 22 additions and 0 deletions
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20
src/video_core/surface.cpp
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@ -513,6 +513,26 @@ bool IsPixelFormatASTC(PixelFormat format) {
}
}
bool IsPixelFormatSRGB(PixelFormat format) {
switch (format) {
case PixelFormat::RGBA8_SRGB:
case PixelFormat::BGRA8_SRGB:
case PixelFormat::DXT1_SRGB:
case PixelFormat::DXT23_SRGB:
case PixelFormat::DXT45_SRGB:
case PixelFormat::BC7U_SRGB:
case PixelFormat::ASTC_2D_4X4_SRGB:
case PixelFormat::ASTC_2D_8X8_SRGB:
case PixelFormat::ASTC_2D_8X5_SRGB:
case PixelFormat::ASTC_2D_5X4_SRGB:
case PixelFormat::ASTC_2D_5X5_SRGB:
case PixelFormat::ASTC_2D_10X8_SRGB:
return true;
default:
return false;
}
}
std::pair<u32, u32> GetASTCBlockSize(PixelFormat format) {
return {GetDefaultBlockWidth(format), GetDefaultBlockHeight(format)};
}

2
src/video_core/surface.h
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@ -547,6 +547,8 @@ SurfaceType GetFormatType(PixelFormat pixel_format);
bool IsPixelFormatASTC(PixelFormat format);
bool IsPixelFormatSRGB(PixelFormat format);
std::pair<u32, u32> GetASTCBlockSize(PixelFormat format);
/// Returns true if the specified PixelFormat is a BCn format, e.g. DXT or DXN