Exverge/suyu
3
0
Fork 0
forked from suyu/suyu
Code Pull requests Activity

Merge pull request #655 from bunnei/pred-lt-nan

Browse source 
gl_shader_decompiler: Implement PredCondition::LessThanWithNan.
This commit is contained in:
bunnei 2018-07-12 18:59:15 -07:00 committed by GitHub
commit 64b5e5d5d9
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
src/video_core/engines/shader_bytecode.h
View file

@ -142,6 +142,7 @@ enum class PredCondition : u64 {
GreaterThan = 4,
NotEqual = 5,
GreaterEqual = 6,
LessThanWithNan = 9,
NotEqualWithNan = 13,
// TODO(Subv): Other condition types
};

5
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -731,7 +731,7 @@ private:
{PredCondition::LessThan, "<"}, {PredCondition::Equal, "=="},
{PredCondition::LessEqual, "<="}, {PredCondition::GreaterThan, ">"},
{PredCondition::NotEqual, "!="}, {PredCondition::GreaterEqual, ">="},
{PredCondition::NotEqualWithNan, "!="},
{PredCondition::LessThanWithNan, "<"}, {PredCondition::NotEqualWithNan, "!="},
};
const auto& comparison{PredicateComparisonStrings.find(condition)};
@ -739,7 +739,8 @@ private:
"Unknown predicate comparison operation");
std::string predicate{'(' + op_a + ") " + comparison->second + " (" + op_b + ')'};
if (condition == PredCondition::NotEqualWithNan) {
if (condition == PredCondition::LessThanWithNan ||
condition == PredCondition::NotEqualWithNan) {
predicate += " || isnan(" + op_a + ") || isnan(" + op_b + ')';
}