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shader: share control flow labels

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This commit is contained in:
nmzik
2026-09-08 12:44:42 +04:00
parent cb4c8f3878
commit cd62693792
6 changed files with 7 additions and 50 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterProgram.cpp
+3 -4
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@@ -239,7 +239,7 @@ void EmitStructuredInstruction(ValueEmitContext& ctx, StructuredFunctionState& s
}
for (size_t index = 0; index < inst.NumArgs(); index++) {
const auto* predecessor = inst.PhiBlock(index);
if (predecessor == nullptr || !ctx.labels.contains(predecessor)) {
if (predecessor == nullptr || !ctx.state.labels.contains(predecessor)) {
ctx.Fail(inst, "has a predecessor outside the structured function");
}
}
@@ -579,7 +579,7 @@ const IR::ExportInfo& ValueEmitContext::Export(const IR::Inst& inst) const {
}
uint32_t ValueEmitContext::Label(const IR::Block* block) const {
return labels.at(block);
return state.labels.at(block);
}
[[noreturn]] void ValueEmitContext::Fail(const char* reason) const {
@@ -610,8 +610,7 @@ void EmitProgram(EmitterState& state, const IR::Program& program) {
}
for (const auto* block: program.blocks) {
const auto label = state.builder.AllocateId();
ctx.labels.emplace(block, label);
high.labels.emplace(block, label);
state.labels.emplace(block, label);
}
if (state.program.dispatcher_fallback) {
auto& dispatch = dispatcher.emplace();