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

shader_ir/decode: Implement half float saturation

Browse source
This commit is contained in:
ReinUsesLisp 2019-04-09 18:41:41 -03:00
parent 90cbf89303
commit 64613db605
5 changed files with 31 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -617,13 +617,11 @@ private:
}
std::string VisitOperand(Operation operation, std::size_t operand_index, Type type) {
std::string value = VisitOperand(operation, operand_index);
const std::string value = VisitOperand(operation, operand_index);
switch (type) {
case Type::HalfFloat: {
const auto half_meta = std::get_if<MetaHalfArithmetic>(&operation.GetMeta());
if (!half_meta) {
value = "toHalf2(" + value + ')';
}
ASSERT(half_meta);
switch (half_meta->types.at(operand_index)) {
case Tegra::Shader::HalfType::H0_H1:
@ -1067,6 +1065,14 @@ private:
return BitwiseCastResult(value, Type::HalfFloat);
}
std::string HClamp(Operation operation) {
const std::string value = VisitOperand(operation, 0, Type::HalfFloat);
const std::string min = VisitOperand(operation, 1, Type::Float);
const std::string max = VisitOperand(operation, 2, Type::Float);
const std::string clamped = "clamp(" + value + ", vec2(" + min + "), vec2(" + max + "))";
return ApplyPrecise(operation, BitwiseCastResult(clamped, Type::HalfFloat));
}
std::string HMergeF32(Operation operation) {
return "float(toHalf2(" + Visit(operation[0]) + ")[0])";
}
@ -1501,6 +1507,7 @@ private:
&GLSLDecompiler::Fma<Type::HalfFloat>,
&GLSLDecompiler::Absolute<Type::HalfFloat>,
&GLSLDecompiler::HNegate,
&GLSLDecompiler::HClamp,
&GLSLDecompiler::HMergeF32,
&GLSLDecompiler::HMergeH0,
&GLSLDecompiler::HMergeH1,