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renderer_opengl: Implement half float NaN comparisons

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This commit is contained in:
ReinUsesLisp 2019-04-09 17:33:48 -03:00
parent b6a805df3b
commit a87fe3ea63
3 changed files with 59 additions and 36 deletions
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17
src/video_core/shader/shader_ir.cpp
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@ -285,13 +285,6 @@ Node ShaderIR::GetPredicateComparisonInteger(PredCondition condition, bool is_si
Node ShaderIR::GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition,
const MetaHalfArithmetic& meta, Node op_a, Node op_b) {
UNIMPLEMENTED_IF_MSG(condition == PredCondition::LessThanWithNan ||
condition == PredCondition::NotEqualWithNan ||
condition == PredCondition::LessEqualWithNan ||
condition == PredCondition::GreaterThanWithNan ||
condition == PredCondition::GreaterEqualWithNan,
"Unimplemented NaN comparison for half floats");
const std::unordered_map<PredCondition, OperationCode> PredicateComparisonTable = {
{PredCondition::LessThan, OperationCode::Logical2HLessThan},
{PredCondition::Equal, OperationCode::Logical2HEqual},
@ -299,11 +292,11 @@ Node ShaderIR::GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition
{PredCondition::GreaterThan, OperationCode::Logical2HGreaterThan},
{PredCondition::NotEqual, OperationCode::Logical2HNotEqual},
{PredCondition::GreaterEqual, OperationCode::Logical2HGreaterEqual},
{PredCondition::LessThanWithNan, OperationCode::Logical2HLessThan},
{PredCondition::NotEqualWithNan, OperationCode::Logical2HNotEqual},
{PredCondition::LessEqualWithNan, OperationCode::Logical2HLessEqual},
{PredCondition::GreaterThanWithNan, OperationCode::Logical2HGreaterThan},
{PredCondition::GreaterEqualWithNan, OperationCode::Logical2HGreaterEqual}};
{PredCondition::LessThanWithNan, OperationCode::Logical2HLessThanWithNan},
{PredCondition::NotEqualWithNan, OperationCode::Logical2HNotEqualWithNan},
{PredCondition::LessEqualWithNan, OperationCode::Logical2HLessEqualWithNan},
{PredCondition::GreaterThanWithNan, OperationCode::Logical2HGreaterThanWithNan},
{PredCondition::GreaterEqualWithNan, OperationCode::Logical2HGreaterEqualWithNan}};
const auto comparison{PredicateComparisonTable.find(condition)};
UNIMPLEMENTED_IF_MSG(comparison == PredicateComparisonTable.end(),