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graphics: do not arm a fast clear from a read-modify-write dispatch (#428)

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* graphics: do not arm a fast clear from a read-modify-write dispatch

* tests: cover compute metadata clear classification

---------

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Brandon Strong
2026-08-31 18:48:06 -07:00
committed by GitHub
parent 7684c343d6
commit b8a459e83d
3 changed files with 109 additions and 1 deletions
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src/graphics/host_gpu/renderer/renderCompute.cpp
+3 -1
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@@ -54,7 +54,9 @@ bool RenderExecutor::TryConsumeComputeMetaClear(const ShaderComputeInputInfo& in
for (uint32_t i = 0; i < program.info.buffers.size(); i++) {
const auto& resource = program.info.buffers[i];
const auto descriptor = DecodeNativeDescriptor<ShaderBufferResource>(resources.buffers[i]);
if (!resource.written && cache.IsMeta(descriptor.Base48())) {
// A metadata resource that is also read is not proven to be a full overwrite. Execute it
// conservatively instead of replacing the dispatch with a coarse full-surface clear.
if (cache.IsMeta(descriptor.Base48()) && (!resource.written || resource.read)) {
return false;
}
}