Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

shader: Fix control flow

Browse source
This commit is contained in:
ReinUsesLisp 2021-02-24 05:21:30 -03:00 • committed by ameerj
parent 9d6a98d950
commit e87a502da2
8 changed files with 39 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

27
src/shader_recompiler/frontend/ir/ir_emitter.cpp
View file

@ -134,18 +134,27 @@ void IREmitter::SetOFlag(const U1& value) {
Inst(Opcode::SetOFlag, value);
}
U1 IREmitter::Condition(IR::Condition cond) {
if (cond == IR::Condition{true}) {
return Imm1(true);
} else if (cond == IR::Condition{false}) {
return Imm1(false);
static U1 GetFlowTest(IREmitter& ir, FlowTest flow_test) {
switch (flow_test) {
case FlowTest::T:
return ir.Imm1(true);
case FlowTest::F:
return ir.Imm1(false);
case FlowTest::EQ:
// TODO: Test this
return ir.GetZFlag();
case FlowTest::NE:
// TODO: Test this
return ir.LogicalNot(ir.GetZFlag());
default:
throw NotImplementedException("Flow test {}", flow_test);
}
}
U1 IREmitter::Condition(IR::Condition cond) {
const FlowTest flow_test{cond.FlowTest()};
const auto [pred, is_negated]{cond.Pred()};
if (flow_test == FlowTest::T) {
return GetPred(pred, is_negated);
}
throw NotImplementedException("Condition {}", cond);
return LogicalAnd(GetPred(pred, is_negated), GetFlowTest(*this, flow_test));
}
F32 IREmitter::GetAttribute(IR::Attribute attribute) {