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shader: fix readlane/writelane for inactive host lanes

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This commit is contained in:
nmzik
2026-07-31 10:09:03 +02:00
parent 48c31d61ee
commit 167da0abe0
7 changed files with 550 additions and 21 deletions
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src/graphics/shader/recompiler/ShaderRecompiler.cpp
+9 -3
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@@ -2,15 +2,16 @@
#include "common/assert.h"
#include "common/logging/log.h"
#include "graphics/shader/recompiler/cfg/ShaderCFG.h"
#include "graphics/shader/recompiler/decompiler/ShaderDecoder.h"
#include "graphics/shader/recompiler/emitter/SpirvEmitter.h"
#include "graphics/shader/recompiler/ir/BindingLayout.h"
#include "graphics/shader/recompiler/ir/ReadLaneElimination.h"
#include "graphics/shader/recompiler/ir/ResourceMaterialization.h"
#include "graphics/shader/recompiler/ir/ResourceTracking.h"
#include "graphics/shader/recompiler/ir/ScalarProvenance.h"
#include "graphics/shader/recompiler/cfg/ShaderCFG.h"
#include "graphics/shader/recompiler/decompiler/ShaderDecoder.h"
#include "graphics/shader/recompiler/ir/ShaderIR.h"
#include "graphics/shader/recompiler/ir/ShaderInfoCollection.h"
#include "graphics/shader/recompiler/emitter/SpirvEmitter.h"
#include "graphics/shader/recompiler/ir/SrtPatcher.h"
#include "graphics/shader/recompiler/ir/SrtWalker.h"
@@ -838,6 +839,11 @@ bool TryRecompile(std::span<const uint32_t> code, const CompileOptions& options,
if (!IR::AllocateBindings(ir, layout_options, error)) {
return false;
}
const auto read_lane_stats = IR::EliminateReadLane(ir);
if (read_lane_stats.rewritten_reads != 0) {
LOGF("%s read-lane elimination: reads=%" PRIu32 " shadow_writes=%" PRIu32 "\n",
GetDumpLabel(options), read_lane_stats.rewritten_reads, read_lane_stats.shadow_writes);
}
std::string ir_dump;
if (options.dump_ir) {
ir_dump = MakeIrDump(cfg, ir);