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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.
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2 changed files with 22 additions and 0 deletions
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@ -513,6 +513,26 @@ bool IsPixelFormatASTC(PixelFormat format) {
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}
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}
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bool IsPixelFormatSRGB(PixelFormat format) {
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switch (format) {
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case PixelFormat::RGBA8_SRGB:
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case PixelFormat::BGRA8_SRGB:
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case PixelFormat::DXT1_SRGB:
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case PixelFormat::DXT23_SRGB:
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case PixelFormat::DXT45_SRGB:
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case PixelFormat::BC7U_SRGB:
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case PixelFormat::ASTC_2D_4X4_SRGB:
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case PixelFormat::ASTC_2D_8X8_SRGB:
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case PixelFormat::ASTC_2D_8X5_SRGB:
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case PixelFormat::ASTC_2D_5X4_SRGB:
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case PixelFormat::ASTC_2D_5X5_SRGB:
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case PixelFormat::ASTC_2D_10X8_SRGB:
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return true;
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default:
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return false;
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}
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}
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std::pair<u32, u32> GetASTCBlockSize(PixelFormat format) {
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return {GetDefaultBlockWidth(format), GetDefaultBlockHeight(format)};
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}
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@ -547,6 +547,8 @@ SurfaceType GetFormatType(PixelFormat pixel_format);
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bool IsPixelFormatASTC(PixelFormat format);
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bool IsPixelFormatSRGB(PixelFormat format);
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std::pair<u32, u32> GetASTCBlockSize(PixelFormat format);
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/// Returns true if the specified PixelFormat is a BCn format, e.g. DXT or DXN
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