shader: acquire stored buffers and images at S_BARRIER

This commit is contained in:
shadowbeat070
2026-10-26 05:28:56 +01:00
committed by nmzik
parent 26ca609236
commit ceb154d9e4
2 changed files with 35 additions and 3 deletions
@@ -712,9 +712,16 @@ void EmitBarrier(EmitterState& state) {
return;
}
const auto memory_scope = tessellation ? spv::ScopeInvocation : spv::ScopeWorkgroup;
const auto memory = state.lds_storage_class == spv::StorageClassStorageBuffer
? spv::MemorySemanticsUniformMemoryMask
: spv::MemorySemanticsWorkgroupMemoryMask;
auto memory = state.lds_storage_class == spv::StorageClassStorageBuffer
? spv::MemorySemanticsUniformMemoryMask
: spv::MemorySemanticsWorkgroupMemoryMask;
// Shaders read other waves' buffer and image stores with plain loads right after S_BARRIER.
const auto written = [](const auto& resource) { return resource.written; };
if (std::ranges::any_of(state.program.info.buffers, written) ||
std::ranges::any_of(state.program.info.images, written)) {
memory = memory | spv::MemorySemanticsUniformMemoryMask |
spv::MemorySemanticsImageMemoryMask;
}
const auto semantics = tessellation ? spv::MemorySemanticsMaskNone
: spv::MemorySemanticsAcquireReleaseMask | memory;
state.builder.AddFunction(spv::OpControlBarrier, ConstantU32(state, spv::ScopeWorkgroup),