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Shader_Ir: Implement F16 Variants of F2F, F2I, I2F.

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This commit takes care of implementing the F16 Variants of the 
conversion instructions and makes sure conversions are done.
This commit is contained in:
Fernando Sahmkow 2019-07-20 17:38:25 -04:00
parent f96208f686
commit 9a0fa90be2
5 changed files with 75 additions and 18 deletions
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18
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -1122,6 +1122,16 @@ private:
Type::Float);
}
std::string FCastHalf0(Operation operation) {
const std::string op_a = VisitOperand(operation, 0, Type::HalfFloat);
return fmt::format("({})[0]", op_a);
}
std::string FCastHalf1(Operation operation) {
const std::string op_a = VisitOperand(operation, 0, Type::HalfFloat);
return fmt::format("({})[1]", op_a);
}
template <Type type>
std::string Min(Operation operation) {
return GenerateBinaryCall(operation, "min", type, type, type);
@ -1278,6 +1288,11 @@ private:
return ApplyPrecise(operation, BitwiseCastResult(clamped, Type::HalfFloat));
}
std::string HCastFloat(Operation operation) {
const std::string op_a = VisitOperand(operation, 0, Type::Float);
return fmt::format("fromHalf2(vec2({}, 0.0f))", op_a);
}
std::string HUnpack(Operation operation) {
const std::string operand{VisitOperand(operation, 0, Type::HalfFloat)};
const auto value = [&]() -> std::string {
@ -1718,6 +1733,8 @@ private:
&GLSLDecompiler::Negate<Type::Float>,
&GLSLDecompiler::Absolute<Type::Float>,
&GLSLDecompiler::FClamp,
&GLSLDecompiler::FCastHalf0,
&GLSLDecompiler::FCastHalf1,
&GLSLDecompiler::Min<Type::Float>,
&GLSLDecompiler::Max<Type::Float>,
&GLSLDecompiler::FCos,
@ -1778,6 +1795,7 @@ private:
&GLSLDecompiler::Absolute<Type::HalfFloat>,
&GLSLDecompiler::HNegate,
&GLSLDecompiler::HClamp,
&GLSLDecompiler::HCastFloat,
&GLSLDecompiler::HUnpack,
&GLSLDecompiler::HMergeF32,
&GLSLDecompiler::HMergeH0,