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shader_ir: Add condition code helper

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This commit is contained in:
ReinUsesLisp 2018-12-20 23:42:02 -03:00
parent a58abbcfc4
commit fbc67a0563
2 changed files with 13 additions and 0 deletions
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10
src/video_core/shader/shader_ir.cpp
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@ -321,6 +321,16 @@ OperationCode ShaderIR::GetPredicateCombiner(PredOperation operation) {
return op->second;
}
Node ShaderIR::GetConditionCode(Tegra::Shader::ConditionCode cc) {
switch (cc) {
case Tegra::Shader::ConditionCode::NEU:
return GetInternalFlag(InternalFlag::Zero, true);
default:
UNIMPLEMENTED_MSG("Unimplemented condition code: {}", static_cast<u32>(cc));
return GetPredicate(static_cast<u64>(Pred::NeverExecute));
}
}
void ShaderIR::SetRegister(BasicBlock& bb, Register dest, Node src) {
bb.push_back(Operation(OperationCode::Assign, GetRegister(dest), src));
}

3
src/video_core/shader/shader_ir.h
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@ -672,6 +672,9 @@ private:
/// Returns a predicate combiner operation
OperationCode GetPredicateCombiner(Tegra::Shader::PredOperation operation);
/// Returns a condition code evaluated from internal flags
Node GetConditionCode(Tegra::Shader::ConditionCode cc);
template <typename... T>
inline Node Operation(OperationCode code, const T*... operands) {
return StoreNode(OperationNode(code, operands...));