gl_shader_decompiler: replace std::get<> with std::get_if<> for macOS compatibility
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51de4e00a6
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1e40a4b343
1 changed files with 58 additions and 44 deletions
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@ -112,20 +112,20 @@ static std::string GetTopologyName(Tegra::Shader::OutputTopology topology) {
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static bool IsPrecise(Operation operand) {
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const auto& meta = operand.GetMeta();
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if (std::holds_alternative<MetaArithmetic>(meta)) {
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return std::get<MetaArithmetic>(meta).precise;
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if (const auto arithmetic = std::get_if<MetaArithmetic>(&meta)) {
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return arithmetic->precise;
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}
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if (std::holds_alternative<MetaHalfArithmetic>(meta)) {
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return std::get<MetaHalfArithmetic>(meta).precise;
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if (const auto half_arithmetic = std::get_if<MetaHalfArithmetic>(&meta)) {
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return half_arithmetic->precise;
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}
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return false;
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}
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static bool IsPrecise(Node node) {
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if (!std::holds_alternative<OperationNode>(*node)) {
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return false;
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if (const auto operation = std::get_if<OperationNode>(node)) {
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return IsPrecise(*operation);
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}
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return IsPrecise(std::get<OperationNode>(*node));
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return false;
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}
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class GLSLDecompiler final {
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@ -601,12 +601,12 @@ private:
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case Type::Uint:
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return "ftou(" + value + ')';
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case Type::HalfFloat:
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if (!std::holds_alternative<MetaHalfArithmetic>(operation.GetMeta())) {
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const auto half_meta = std::get_if<MetaHalfArithmetic>(&operation.GetMeta());
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if (!half_meta) {
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value = "toHalf2(" + value + ')';
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}
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const auto& half_meta = std::get<MetaHalfArithmetic>(operation.GetMeta());
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switch (half_meta.types.at(operand_index)) {
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switch (half_meta->types.at(operand_index)) {
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case Tegra::Shader::HalfType::H0_H1:
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return "toHalf2(" + value + ')';
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case Tegra::Shader::HalfType::F32:
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@ -692,19 +692,20 @@ private:
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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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const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
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const auto count = static_cast<u32>(operation.GetOperandsCount());
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ASSERT(meta);
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std::string expr = func;
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expr += '(';
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expr += GetSampler(meta.sampler);
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expr += GetSampler(meta->sampler);
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expr += ", ";
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expr += coord_constructors[meta.coords_count - 1];
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expr += coord_constructors[meta->coords_count - 1];
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expr += '(';
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for (u32 i = 0; i < count; ++i) {
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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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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 = [&]() {
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if (is_extra && is_extra_int) {
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@ -724,7 +725,7 @@ private:
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expr += operand;
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if (i + 1 == meta.coords_count) {
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if (i + 1 == meta->coords_count) {
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expr += ')';
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}
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if (i + 1 < count) {
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@ -1108,38 +1109,46 @@ private:
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}
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std::string F4Texture(Operation operation) {
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const auto meta = std::get<MetaTexture>(operation.GetMeta());
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const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
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ASSERT(meta);
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std::string expr = GenerateTexture(operation, "texture");
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if (meta.sampler.IsShadow()) {
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if (meta->sampler.IsShadow()) {
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expr = "vec4(" + expr + ')';
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}
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return expr + GetSwizzle(meta.element);
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return expr + GetSwizzle(meta->element);
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}
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std::string F4TextureLod(Operation operation) {
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const auto meta = std::get<MetaTexture>(operation.GetMeta());
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const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
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ASSERT(meta);
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std::string expr = GenerateTexture(operation, "textureLod");
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if (meta.sampler.IsShadow()) {
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if (meta->sampler.IsShadow()) {
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expr = "vec4(" + expr + ')';
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}
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return expr + GetSwizzle(meta.element);
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return expr + GetSwizzle(meta->element);
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}
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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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return GenerateTexture(operation, "textureGather", !meta.sampler.IsShadow()) +
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GetSwizzle(meta.element);
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const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
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ASSERT(meta);
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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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const auto& meta = std::get<MetaTexture>(operation.GetMeta());
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const std::string sampler = GetSampler(meta.sampler);
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const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
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ASSERT(meta);
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const std::string sampler = GetSampler(meta->sampler);
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const std::string lod = VisitOperand(operation, 0, Type::Int);
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switch (meta.element) {
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switch (meta->element) {
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case 0:
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case 1:
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return "textureSize(" + sampler + ", " + lod + ')' + GetSwizzle(meta.element);
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return "textureSize(" + sampler + ", " + lod + ')' + GetSwizzle(meta->element);
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case 2:
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return "0";
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case 3:
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@ -1150,29 +1159,32 @@ private:
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}
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std::string F4TextureQueryLod(Operation operation) {
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const auto& meta = std::get<MetaTexture>(operation.GetMeta());
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if (meta.element < 2) {
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const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
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ASSERT(meta);
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if (meta->element < 2) {
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return "itof(int((" + GenerateTexture(operation, "textureQueryLod") + " * vec2(256))" +
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GetSwizzle(meta.element) + "))";
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GetSwizzle(meta->element) + "))";
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}
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return "0";
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}
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std::string F4TexelFetch(Operation operation) {
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constexpr std::array<const char*, 4> constructors = {"int", "ivec2", "ivec3", "ivec4"};
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const auto& meta = std::get<MetaTexture>(operation.GetMeta());
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const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
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const auto count = static_cast<u32>(operation.GetOperandsCount());
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ASSERT(meta);
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std::string expr = "texelFetch(";
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expr += GetSampler(meta.sampler);
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expr += GetSampler(meta->sampler);
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expr += ", ";
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expr += constructors[meta.coords_count - 1];
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expr += constructors[meta->coords_count - 1];
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expr += '(';
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for (u32 i = 0; i < count; ++i) {
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expr += VisitOperand(operation, i, Type::Int);
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if (i + 1 == meta.coords_count) {
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if (i + 1 == meta->coords_count) {
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expr += ')';
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}
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if (i + 1 < count) {
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@ -1180,26 +1192,28 @@ private:
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}
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}
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expr += ')';
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return expr + GetSwizzle(meta.element);
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return expr + GetSwizzle(meta->element);
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}
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std::string Branch(Operation operation) {
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const auto target = std::get<ImmediateNode>(*operation[0]);
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code.AddLine(fmt::format("jmp_to = 0x{:x}u;", target.GetValue()));
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const auto target = std::get_if<ImmediateNode>(operation[0]);
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UNIMPLEMENTED_IF(!target);
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code.AddLine(fmt::format("jmp_to = 0x{:x}u;", target->GetValue()));
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code.AddLine("break;");
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return {};
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}
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std::string PushFlowStack(Operation operation) {
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const auto target = std::get<ImmediateNode>(*operation[0]);
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code.AddLine(fmt::format("flow_stack[flow_stack_top] = 0x{:x}u;", target.GetValue()));
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code.AddLine("flow_stack_top++;");
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const auto target = std::get_if<ImmediateNode>(operation[0]);
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UNIMPLEMENTED_IF(!target);
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code.AddLine(fmt::format("flow_stack[flow_stack_top++] = 0x{:x}u;", target->GetValue()));
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return {};
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}
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std::string PopFlowStack(Operation operation) {
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code.AddLine("flow_stack_top--;");
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code.AddLine("jmp_to = flow_stack[flow_stack_top];");
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code.AddLine("jmp_to = flow_stack[--flow_stack_top];");
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code.AddLine("break;");
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return {};
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}
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