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shader_ir: Separate float-point comparisons in ordered and unordered

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This allows us to use native SPIR-V instructions without having to
manually check for NAN.
This commit is contained in:
ReinUsesLisp 2020-05-09 04:55:15 -03:00
parent 58bda1c7b8
commit d8598a8717
7 changed files with 163 additions and 135 deletions
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12
src/video_core/shader/decode/xmad.cpp
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@ -97,19 +97,19 @@ u32 ShaderIR::DecodeXmad(NodeBlock& bb, u32 pc) {
return SignedOperation(OperationCode::IAdd, is_signed_c, original_c, shifted_b);
}
case Tegra::Shader::XmadMode::CSfu: {
const Node comp_a = GetPredicateComparisonInteger(PredCondition::Equal, is_signed_a,
op_a, Immediate(0));
const Node comp_b = GetPredicateComparisonInteger(PredCondition::Equal, is_signed_b,
op_b, Immediate(0));
const Node comp_a =
GetPredicateComparisonInteger(PredCondition::EQ, is_signed_a, op_a, Immediate(0));
const Node comp_b =
GetPredicateComparisonInteger(PredCondition::EQ, is_signed_b, op_b, Immediate(0));
const Node comp = Operation(OperationCode::LogicalOr, comp_a, comp_b);
const Node comp_minus_a = GetPredicateComparisonInteger(
PredCondition::NotEqual, is_signed_a,
PredCondition::NE, is_signed_a,
SignedOperation(OperationCode::IBitwiseAnd, is_signed_a, op_a,
Immediate(0x80000000)),
Immediate(0));
const Node comp_minus_b = GetPredicateComparisonInteger(
PredCondition::NotEqual, is_signed_b,
PredCondition::NE, is_signed_b,
SignedOperation(OperationCode::IBitwiseAnd, is_signed_b, op_b,
Immediate(0x80000000)),
Immediate(0));