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graphics: honour DCC fixed clear codes on 16-bit and float colour targets (#471)

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* Honour DCC fixed clear codes on 16-bit and float colour targets

* tests: DCC fixed clear codes materialise on an RGBA16F target

* graphics: remove fixed clear format comment

---------

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Brandon Strong
2026-09-02 18:41:28 -07:00
committed by GitHub
parent 2d5023fda2
commit e21c5f37d0
2 changed files with 114 additions and 0 deletions
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src/graphics/host_gpu/renderer/colorRenderTarget.cpp
+15
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@@ -28,12 +28,27 @@ static void ResolveDccClearInfo(RenderColorInfo& info, vk::Format format, bool h
info.metadata_clear_supported =
has_dcc && DecodePackedColorClear(format, packed_clear, info.color_clear_value);
switch (format) {
case vk::Format::eR8Unorm:
case vk::Format::eR8G8Unorm:
case vk::Format::eR8G8B8A8Unorm:
case vk::Format::eR8G8B8A8Srgb:
case vk::Format::eB8G8R8A8Unorm:
case vk::Format::eB8G8R8A8Srgb:
case vk::Format::eA2B10G10R10UnormPack32:
case vk::Format::eA2R10G10B10UnormPack32:
case vk::Format::eR5G6B5UnormPack16:
case vk::Format::eA1R5G5B5UnormPack16:
case vk::Format::eR4G4B4A4UnormPack16:
case vk::Format::eR16Unorm:
case vk::Format::eR16G16Unorm:
case vk::Format::eR16G16B16A16Unorm:
case vk::Format::eR16Sfloat:
case vk::Format::eR16G16Sfloat:
case vk::Format::eR16G16B16A16Sfloat:
case vk::Format::eR32Sfloat:
case vk::Format::eR32G32Sfloat:
case vk::Format::eR32G32B32A32Sfloat:
case vk::Format::eB10G11R11UfloatPack32:
info.metadata_fixed_clear_supported = has_dcc;
break;
default: info.metadata_fixed_clear_supported = false; break;