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Merge pull request #1100 from ogniK5377/missing-pred

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Added pred-condition GreaterThanWithNan
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bunnei 2018-08-18 10:32:59 -04:00 committed by GitHub
commit 6eba539f4a
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2 changed files with 8 additions and 5 deletions
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1
src/video_core/engines/shader_bytecode.h
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@ -141,6 +141,7 @@ enum class PredCondition : u64 {
NotEqual = 5,
GreaterEqual = 6,
LessThanWithNan = 9,
GreaterThanWithNan = 12,
NotEqualWithNan = 13,
// TODO(Subv): Other condition types
};

12
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -703,10 +703,11 @@ private:
const std::string& op_a, const std::string& op_b) const {
using Tegra::Shader::PredCondition;
static const std::unordered_map<PredCondition, const char*> PredicateComparisonStrings = {
{PredCondition::LessThan, "<"}, {PredCondition::Equal, "=="},
{PredCondition::LessEqual, "<="}, {PredCondition::GreaterThan, ">"},
{PredCondition::NotEqual, "!="}, {PredCondition::GreaterEqual, ">="},
{PredCondition::LessThanWithNan, "<"}, {PredCondition::NotEqualWithNan, "!="},
{PredCondition::LessThan, "<"}, {PredCondition::Equal, "=="},
{PredCondition::LessEqual, "<="}, {PredCondition::GreaterThan, ">"},
{PredCondition::NotEqual, "!="}, {PredCondition::GreaterEqual, ">="},
{PredCondition::LessThanWithNan, "<"}, {PredCondition::NotEqualWithNan, "!="},
{PredCondition::GreaterThanWithNan, ">"},
};
const auto& comparison{PredicateComparisonStrings.find(condition)};
@ -715,7 +716,8 @@ private:
std::string predicate{'(' + op_a + ") " + comparison->second + " (" + op_b + ')'};
if (condition == PredCondition::LessThanWithNan ||
condition == PredCondition::NotEqualWithNan) {
condition == PredCondition::NotEqualWithNan ||
condition == PredCondition::GreaterThanWithNan) {
predicate += " || isnan(" + op_a + ") || isnan(" + op_b + ')';
}