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shader: Read branch conditions from an instruction

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Fixes the identity removal pass.
This commit is contained in:
ReinUsesLisp 2021-05-18 02:04:22 -03:00 • committed by ameerj
parent 4bad415bca
commit 9bb3e008c9
12 changed files with 36 additions and 16 deletions
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10
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -469,7 +469,15 @@ Id EmitIdentity(EmitContext& ctx, const IR::Value& value) {
return id;
}
void EmitDummyReference(EmitContext&) {}
Id EmitConditionRef(EmitContext& ctx, const IR::Value& value) {
const Id id{ctx.Def(value)};
if (!Sirit::ValidId(id)) {
throw NotImplementedException("Forward identity declaration");
}
return id;
}
void EmitReference(EmitContext&) {}
void EmitPhiMove(EmitContext&) {
throw LogicError("Unreachable instruction");

3
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
View file

@ -23,7 +23,8 @@ class EmitContext;
Id EmitPhi(EmitContext& ctx, IR::Inst* inst);
void EmitVoid(EmitContext& ctx);
Id EmitIdentity(EmitContext& ctx, const IR::Value& value);
void EmitDummyReference(EmitContext&);
Id EmitConditionRef(EmitContext& ctx, const IR::Value& value);
void EmitReference(EmitContext&);
void EmitPhiMove(EmitContext&);
void EmitJoin(EmitContext& ctx);
void EmitDemoteToHelperInvocation(EmitContext& ctx);