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shader_decode: Implement LD_C
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@ -73,6 +73,37 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
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}
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break;
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}
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case OpCode::Id::LD_C: {
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UNIMPLEMENTED_IF(instr.ld_c.unknown != 0);
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Node index = GetRegister(instr.gpr8);
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const Node op_a =
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GetConstBufferIndirect(instr.cbuf36.index, instr.cbuf36.offset + 0, index);
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switch (instr.ld_c.type.Value()) {
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case Tegra::Shader::UniformType::Single:
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SetRegister(bb, instr.gpr0, op_a);
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break;
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case Tegra::Shader::UniformType::Double: {
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const Node op_b =
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GetConstBufferIndirect(instr.cbuf36.index, instr.cbuf36.offset + 4, index);
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const Node composite =
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Operation(OperationCode::Composite, op_a, op_b, GetRegister(RZ), GetRegister(RZ));
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MetaComponents meta{{0, 1, 2, 3}};
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bb.push_back(Operation(OperationCode::AssignComposite, meta, composite,
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GetRegister(instr.gpr0), GetRegister(instr.gpr0.Value() + 1),
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GetRegister(RZ), GetRegister(RZ)));
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break;
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}
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default:
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UNIMPLEMENTED_MSG("Unhandled type: {}", static_cast<unsigned>(instr.ld_c.type.Value()));
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}
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break;
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}
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case OpCode::Id::ST_A: {
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UNIMPLEMENTED_IF_MSG(instr.gpr8.Value() != Register::ZeroIndex,
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"Indirect attribute loads are not supported");
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