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Merge pull request #1010 from bunnei/unk-vert-attrib-shader
gl_shader_decompiler: Improve handling of unknown input/output attributes.
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commit
403dfd68fc
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@ -74,12 +74,11 @@ union Attribute {
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enum class Index : u64 {
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Position = 7,
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Attribute_0 = 8,
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Attribute_31 = 39,
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// This attribute contains a tuple of (~, ~, InstanceId, VertexId) when inside a vertex
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// shader, and a tuple of (TessCoord.x, TessCoord.y, TessCoord.z, ~) when inside a Tess Eval
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// shader.
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TessCoordInstanceIDVertexID = 47,
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// TODO(bunnei): Figure out what this is used for. Super Mario Odyssey uses this.
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Unknown_63 = 63,
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};
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union {
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@ -358,8 +358,13 @@ public:
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void SetOutputAttributeToRegister(Attribute::Index attribute, u64 elem, const Register& reg) {
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std::string dest = GetOutputAttribute(attribute) + GetSwizzle(elem);
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std::string src = GetRegisterAsFloat(reg);
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if (!dest.empty()) {
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// Can happen with unknown/unimplemented output attributes, in which case we ignore the
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// instruction for now.
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shader.AddLine(dest + " = " + src + ';');
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}
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}
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/// Generates code representing a uniform (C buffer) register, interpreted as the input type.
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std::string GetUniform(u64 index, u64 offset, GLSLRegister::Type type) {
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@ -534,20 +539,16 @@ private:
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// shader.
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ASSERT(stage == Maxwell3D::Regs::ShaderStage::Vertex);
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return "vec4(0, 0, uintBitsToFloat(gl_InstanceID), uintBitsToFloat(gl_VertexID))";
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case Attribute::Index::Unknown_63:
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// TODO(bunnei): Figure out what this is used for. Super Mario Odyssey uses this.
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LOG_CRITICAL(HW_GPU, "Unhandled input attribute Unknown_63");
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UNREACHABLE();
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break;
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default:
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const u32 index{static_cast<u32>(attribute) -
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static_cast<u32>(Attribute::Index::Attribute_0)};
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if (attribute >= Attribute::Index::Attribute_0) {
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if (attribute >= Attribute::Index::Attribute_0 &&
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attribute <= Attribute::Index::Attribute_31) {
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declr_input_attribute.insert(attribute);
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return "input_attribute_" + std::to_string(index);
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}
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LOG_CRITICAL(HW_GPU, "Unhandled input attribute: {}", index);
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LOG_CRITICAL(HW_GPU, "Unhandled input attribute: {}", static_cast<u32>(attribute));
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UNREACHABLE();
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}
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@ -569,6 +570,7 @@ private:
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LOG_CRITICAL(HW_GPU, "Unhandled output attribute: {}", index);
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UNREACHABLE();
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return {};
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}
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}
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