gl_shader_decompiler: Implement LD_C instruction.
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2 changed files with 43 additions and 0 deletions
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@ -1090,6 +1090,33 @@ private:
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attribute);
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break;
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}
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case OpCode::Id::LD_C: {
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ASSERT_MSG(instr.ld_c.unknown == 0, "Unimplemented");
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std::string op_a =
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regs.GetUniformIndirect(instr.cbuf36.index, instr.cbuf36.offset + 0, instr.gpr8,
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GLSLRegister::Type::Float);
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std::string op_b =
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regs.GetUniformIndirect(instr.cbuf36.index, instr.cbuf36.offset + 4, instr.gpr8,
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GLSLRegister::Type::Float);
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switch (instr.ld_c.type.Value()) {
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case Tegra::Shader::UniformType::Single:
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regs.SetRegisterToFloat(instr.gpr0, 0, op_a, 1, 1);
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break;
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case Tegra::Shader::UniformType::Double:
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regs.SetRegisterToFloat(instr.gpr0, 0, op_a, 1, 1);
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regs.SetRegisterToFloat(instr.gpr0.Value() + 1, 0, op_b, 1, 1);
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break;
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default:
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NGLOG_CRITICAL(HW_GPU, "Unhandled type: {}",
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static_cast<unsigned>(instr.ld_c.type.Value()));
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UNREACHABLE();
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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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ASSERT_MSG(instr.attribute.fmt20.size == 0, "untested");
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regs.SetOutputAttributeToRegister(attribute, instr.attribute.fmt20.element,
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