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shader_ir: Fixup TEX and TEXS and partially fix TLD4 decompiling

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This commit is contained in:
ReinUsesLisp
2018-12-22 01:20:57 -03:00
parent 2d9136cec6
commit 03e088a4f4
3 changed files with 71 additions and 59 deletions
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29
src/video_core/shader/glsl_decompiler.cpp
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@ -635,8 +635,10 @@ private:
result_type));
}
#pragma optimize("", off)
std::string GenerateTexture(Operation operation, const std::string& func,
const std::string& extra_cast = "") {
std::string extra_cast(std::string) = nullptr) {
constexpr std::array<const char*, 4> coord_constructors = {"float", "vec2", "vec3", "vec4"};
const auto& meta = std::get<MetaTexture>(operation.GetMeta());
@ -651,15 +653,17 @@ private:
expr += '(';
for (u32 i = 0; i < count; ++i) {
const bool is_extra = i >= meta.coords_count;
const bool do_cast = is_extra && !extra_cast.empty();
if (do_cast) {
expr += extra_cast;
expr += '(';
const bool is_array = i == meta.array_index;
std::string operand = Visit(operation[i]);
if (is_extra && extra_cast != nullptr) {
operand = extra_cast(operand);
}
expr += Visit(operation[i]);
if (do_cast) {
expr += ')';
if (is_array) {
ASSERT(!is_extra);
operand = "float(ftoi(" + operand + "))";
}
expr += operand;
if (i + 1 == meta.coords_count) {
expr += ')';
}
@ -1065,7 +1069,14 @@ private:
}
std::string F4TextureGather(Operation operation) {
return GenerateTexture(operation, "textureGather", "int");
const bool is_shadow = std::get<MetaTexture>(operation.GetMeta()).sampler.IsShadow();
if (is_shadow) {
return GenerateTexture(operation, "textureGather",
[](std::string ref_z) { return ref_z; });
} else {
return GenerateTexture(operation, "textureGather",
[](std::string comp) { return "ftoi(" + comp + ')'; });
}
}
std::string F4TextureQueryDimensions(Operation operation) {