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Fix wave64 LDS synchronization on subgroup32 hosts

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This commit is contained in:
nmzik
2026-08-23 00:46:37 +02:00
parent 0d92ce49da
commit 3e25eb0998
10 changed files with 348 additions and 15 deletions
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src/graphics/shader/recompiler/ShaderRecompiler.cpp
+9
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@@ -15,6 +15,7 @@
#include "graphics/shader/recompiler/ir/passes/ResourceMaterialization.h"
#include "graphics/shader/recompiler/ir/passes/ResourceTracking.h"
#include "graphics/shader/recompiler/ir/passes/ShaderInfoCollection.h"
#include "graphics/shader/recompiler/ir/passes/SharedMemoryBarrier.h"
#include "graphics/shader/recompiler/ir/passes/SrtWalker.h"
#include "graphics/shader/recompiler/ir/passes/SsaRewrite.h"
@@ -741,6 +742,14 @@ bool TryRecompile(std::span<const uint32_t> code, const CompileOptions& options,
IR::RemoveIdentities(ir.values->blocks);
IR::EliminateDeadCode(ir.values->blocks);
}
if (options.stage == ShaderType::Compute) {
const auto lds_barriers =
IR::InsertSharedMemoryBarriers(*ir.values, ir.wave_size, *compute);
if (lds_barriers.inserted_barriers != 0) {
LOGF("%s wave64 LDS synchronization: barriers=%" PRIu32 "\n", GetDumpLabel(options),
lds_barriers.inserted_barriers);
}
}
std::string srt_error;
if (!IR::BuildSrtPlan(ir, &srt_error)) {
LOGF("%s SRT planning failed: %s\n", GetDumpLabel(options), srt_error.c_str());