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shader_decode: Implement TEXS.F16

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This commit is contained in:
ReinUsesLisp 2018-12-26 01:33:56 -03:00
parent afa9967c4a
commit 35724f3435
3 changed files with 57 additions and 15 deletions
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26
src/video_core/shader/glsl_decompiler.cpp
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@ -785,6 +785,31 @@ private:
return {};
}
std::string AssignCompositeHalf(Operation operation) {
const auto& meta = std::get<MetaComponents>(operation.GetMeta());
const std::string composite = code.GenerateTemporal();
code.AddLine("vec4 " + composite + " = " + Visit(operation[0]) + ';');
const auto ReadComponent = [&](u32 component) {
if (component < meta.count) {
return composite + '[' + std::to_string(meta.GetSourceComponent(component)) + ']';
}
return std::string("0");
};
const auto dst1 = std::get<GprNode>(*operation[1]).GetIndex();
const std::string src1 = "vec2(" + ReadComponent(0) + ", " + ReadComponent(1) + ')';
code.AddLine(GetRegister(dst1) + " = utof(packHalf2x16(" + src1 + "))");
if (meta.count > 2) {
const auto dst2 = std::get<GprNode>(*operation[2]).GetIndex();
const std::string src2 = "vec2(" + ReadComponent(2) + ", " + ReadComponent(3) + ')';
code.AddLine(GetRegister(dst2) + " = utof(packHalf2x16(" + src2 + "))");
}
return {};
}
std::string Composite(Operation operation) {
std::string value = "vec4(";
for (std::size_t i = 0; i < 4; ++i) {
@ -1302,6 +1327,7 @@ private:
static constexpr OperationDecompilersArray operation_decompilers = {
&GLSLDecompiler::Assign,
&GLSLDecompiler::AssignComposite,
&GLSLDecompiler::AssignCompositeHalf,
&GLSLDecompiler::Composite,
&GLSLDecompiler::Select,