cube: Correctly apply sRGB OETF/EOTF#1071
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charles-lunarg merged 1 commit intoKhronosGroup:mainfrom Jan 22, 2025
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Author HildarTheDorf not on autobuild list. Waiting for curator authorization before starting CI build. |
HildarTheDorf
commented
Jan 22, 2025
| @@ -1,41 +1,84 @@ | |||
| // 7.9.2888 | |||
| 0x07230203,0x00010000,0x00080007,0x00000030,0x00000000,0x00020011,0x00000001,0x0006000b, | |||
| // 1115.1.0 | |||
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Wow that's a lot of versions of glslang
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I am unsure when the checked in code was compiled, because Vulkan-Tools used to compile glslang, then it went to just downloading the binary, to the current checked in state.
charles-lunarg
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Jan 22, 2025
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CI Vulkan-Tools build queued with queue ID 352491. |
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CI Vulkan-Tools build # 1605 running. |
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CI Vulkan-Tools build # 1605 passed. |
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vkcube is incorrectly treating srgb texture values as linear, then writing linear values to a COLORSPACE_SRGB_NONLINEAR swapchain image without an _SRGB format or manual correction.
VK_FORMAT_R8G8B8A8_SRGB as a sampled image format is required to be supported, so changing the input texture is fine.
SRGB formats for swapchain are required if the equivalent UNORM is supported (and vice-versa). However it is possible for unextended vulkan 1.4 to only support 1010102 or 565 etc. formats.
This results in a slight overall change to the lighting of the cube. But it is more correct for those using vkcube's code as an example.