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Disable descriptor aliasing on Adreno to workaround shader compiler bug

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Alised descriptor sets are incorrectly interpreted by the shader compiler causing it to bugger up LLVM function argument types and crash

Co-authored-by: PixelyIon <pixelyion@protonmail.com>
This commit is contained in:
Billy Laws 2022-03-16 21:14:52 +00:00 committed by PixelyIon
parent fc2c123ae2
commit fae5332f20
3 changed files with 3 additions and 1 deletions
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2
app/src/main/cpp/skyline/gpu/shader_manager.cpp
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@ -35,7 +35,7 @@ namespace skyline::gpu {
profile = Shader::Profile{
.supported_spirv = traits.supportsSpirv14 ? 0x00010400U : 0x00010000U,
.unified_descriptor_binding = true,
.support_descriptor_aliasing = true,
.support_descriptor_aliasing = !traits.quirks.brokenDescriptorAliasing,
.support_int8 = traits.supportsInt8,
.support_int16 = traits.supportsInt16,
.support_int64 = traits.supportsInt64,

1
app/src/main/cpp/skyline/gpu/trait_manager.cpp
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@ -132,6 +132,7 @@ namespace skyline::gpu {
case vk::DriverId::eQualcommProprietary: {
needsIndividualTextureBindingWrites = true;
vkImageMutableFormatCostly = true; // Disables UBWC
brokenDescriptorAliasing = true;
break;
}

1
app/src/main/cpp/skyline/gpu/trait_manager.h
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@ -41,6 +41,7 @@ namespace skyline::gpu {
struct QuirkManager {
bool needsIndividualTextureBindingWrites{}; //!< [Adreno Proprietary] A bug that requires descriptor set writes for VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER to be done individually with descriptorCount = 1 rather than batched
bool vkImageMutableFormatCostly{}; //!< [Adreno Proprietary/Freedreno] An indication that VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT is costly and should not be enabled unless absolutely necessary (Disables UBWC on Adreno GPUs)
bool brokenDescriptorAliasing{}; //!< [Adreno Proprietary] A bug that causes alised descriptor sets to be incorrectly interpreted by the shader compiler leading to it buggering up LLVM function argument types and crashing
QuirkManager() = default;