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Scope native barriers to shaders with shared execution

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nmzik
2026-09-21 09:22:10 +04:00
parent 61761b65f2
commit f9e56ef8a0
3 changed files with 16 additions and 39 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterFlow.cpp
+4
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@@ -559,6 +559,10 @@ void EmitVoid(ValueEmitContext&) {}
void EmitBarrier(EmitterState& state) {
const auto tessellation = state.program.stage == ShaderType::TessellationControl;
if (!tessellation && ShaderWorkgroupInput(state.program.stage, state.input_info) == nullptr) {
// Independent graphics invocations have no native workgroup left to synchronize.
return;
}
const auto memory_scope = tessellation ? spv::ScopeInvocation : spv::ScopeWorkgroup;
const auto semantics = tessellation ? spv::MemorySemanticsMaskNone
: spv::MemorySemanticsAcquireReleaseMask |