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shader_decode: Implement TLDS (untested)

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This commit is contained in:
ReinUsesLisp
2018-12-23 01:18:33 -03:00
parent ec98e4d842
commit 55e6786254
3 changed files with 92 additions and 10 deletions
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29
src/video_core/shader/glsl_decompiler.cpp
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@ -635,8 +635,6 @@ private:
result_type));
}
#pragma optimize("", off)
std::string GenerateTexture(Operation operation, const std::string& func,
std::string extra_cast(std::string) = nullptr) {
constexpr std::array<const char*, 4> coord_constructors = {"float", "vec2", "vec3", "vec4"};
@ -1100,6 +1098,32 @@ private:
return "vec4(itof(int(" + tmp + ".y)), utof(uint(" + tmp + ".x)), 0, 0)";
}
std::string F4TexelFetch(Operation operation) {
constexpr std::array<const char*, 4> constructors = {"int", "ivec2", "ivec3", "ivec4"};
const auto& meta = std::get<MetaTexture>(operation.GetMeta());
const auto count = static_cast<u32>(operation.GetOperandsCount());
std::string expr = "texelFetch(";
expr += GetSampler(meta.sampler);
expr += ", ";
expr += constructors[meta.coords_count - 1];
expr += '(';
for (u32 i = 0; i < count; ++i) {
expr += VisitOperand(operation, i, Type::Int);
expr += ", ";
if (i + 1 == meta.coords_count) {
expr += ')';
}
if (i + 1 < count) {
expr += ", ";
}
}
expr += ')';
return expr;
}
std::string Ipa(Operation operation) {
const auto& attribute = operation[0];
// TODO(Rodrigo): Special IPA attribute interactions
@ -1314,6 +1338,7 @@ private:
&F4TextureGather,
&F4TextureQueryDimensions,
&F4TextureQueryLod,
&F4TexelFetch,
&Ipa,