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gl_shader_decompiler: Inline textureGather component
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1c9c4eefeb
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51de4e00a6
@ -689,7 +689,7 @@ private:
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}
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std::string GenerateTexture(Operation operation, const std::string& func,
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std::string extra_cast(std::string) = nullptr) {
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bool is_extra_int = false) {
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constexpr std::array<const char*, 4> coord_constructors = {"float", "vec2", "vec3", "vec4"};
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const auto& meta = std::get<MetaTexture>(operation.GetMeta());
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@ -706,15 +706,24 @@ private:
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const bool is_extra = i >= meta.coords_count;
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const bool is_array = i == meta.array_index;
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std::string operand = Visit(operation[i]);
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if (is_extra && extra_cast != nullptr) {
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operand = extra_cast(operand);
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}
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std::string operand = [&]() {
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if (is_extra && is_extra_int) {
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if (const auto immediate = std::get_if<ImmediateNode>(operation[i])) {
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return std::to_string(static_cast<s32>(immediate->GetValue()));
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} else {
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return "ftoi(" + Visit(operation[i]) + ')';
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}
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} else {
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return Visit(operation[i]);
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}
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}();
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if (is_array) {
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ASSERT(!is_extra);
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operand = "float(ftoi(" + operand + "))";
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}
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expr += operand;
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if (i + 1 == meta.coords_count) {
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expr += ')';
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}
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@ -1118,16 +1127,8 @@ private:
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std::string F4TextureGather(Operation operation) {
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const auto meta = std::get<MetaTexture>(operation.GetMeta());
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std::string expr;
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if (meta.sampler.IsShadow()) {
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expr = GenerateTexture(operation, "textureGather",
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[](std::string ref_z) { return ref_z; });
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} else {
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expr = GenerateTexture(operation, "textureGather",
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[](std::string comp) { return "ftoi(" + comp + ')'; });
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}
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return expr + GetSwizzle(meta.element);
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return GenerateTexture(operation, "textureGather", !meta.sampler.IsShadow()) +
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GetSwizzle(meta.element);
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}
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std::string F4TextureQueryDimensions(Operation operation) {
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