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gpu: preserve zero-stride buffer fetch payloads

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nmzik
2026-10-19 12:23:43 +02:00
parent d4465faa79
commit fde0b98e69
2 changed files with 108 additions and 0 deletions
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src/graphics/host_gpu/renderer/pipeline/descriptors.cpp
+6
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@@ -740,6 +740,12 @@ void RenderExecutor::FindBuffers(std::span<PreparedBindings* const> stages) {
const auto descriptor = DecodeNativeDescriptor<ShaderBufferResource>(snapshot.buffers[resource]);
const auto address = descriptor.Base48();
auto size = descriptor.GetSize();
if (size != 0 && descriptor.Stride() == 0 && descriptor.OutOfBounds() == 2 &&
!metadata.scalar) {
// OOB_SELECT=2 only tests NumRecords != 0; a zero-stride fetch
// still needs its full payload when NumRecords is smaller than it.
size = std::max(size, uint64_t {metadata.max_byte_extent});
}
if (address == 0 || size == 0) {
source = {};
continue;