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[Fix] (DirectVulkan): map RGB10_A2(UI) to A2B10G10R10 - GL 2_10_10_10_REV puts R in bits 0-9 so the A2R10G10B10 mapping silently swapped R/B on upload; also decode both 1010102 variants in readback

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swung0x48
2026-07-26 19:13:46 -04:00
parent 83cdfd6bdd
commit 7e048fc2bf
2 changed files with 24 additions and 3 deletions
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MobileGL/MG_Util/Converters/MGToVk/TextureEnumConverter.cpp
+4 -2
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@@ -133,9 +133,11 @@ namespace MobileGL {
case TextureInternalFormat::RGBA8Snorm:
return VK_FORMAT_R8G8B8A8_SNORM;
case TextureInternalFormat::RGB10A2:
return VK_FORMAT_A2R10G10B10_UNORM_PACK32;
// GL_UNSIGNED_INT_2_10_10_10_REV puts R in bits 0-9, which is Vulkan's
// A2B10G10R10 layout - A2R10G10B10 silently swaps R and B on upload.
return VK_FORMAT_A2B10G10R10_UNORM_PACK32;
case TextureInternalFormat::RGB10A2UI:
return VK_FORMAT_A2R10G10B10_UINT_PACK32;
return VK_FORMAT_A2B10G10R10_UINT_PACK32;
case TextureInternalFormat::RGBA16:
return VK_FORMAT_R16G16B16A16_UNORM;
case TextureInternalFormat::RGBA16Snorm: