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Merge pull request #514 from Subv/lop32i

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GPU: Implemented the LOP32I instruction.
This commit is contained in:
bunnei 2018-06-04 20:48:15 -04:00 • committed by GitHub
commit e8bfff7b4b
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2 changed files with 58 additions and 1 deletions
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43
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -841,6 +841,49 @@ private:
}
break;
}
case OpCode::Type::Logic: {
std::string op_a = regs.GetRegisterAsInteger(instr.gpr8, 0, false);
if (instr.alu.lop.invert_a)
op_a = "~(" + op_a + ')';
switch (opcode->GetId()) {
case OpCode::Id::LOP32I: {
u32 imm = static_cast<u32>(instr.alu.imm20_32.Value());
if (instr.alu.lop.invert_b)
imm = ~imm;
switch (instr.alu.lop.operation) {
case Tegra::Shader::LogicOperation::And: {
regs.SetRegisterToInteger(instr.gpr0, false, 0,
'(' + op_a + " & " + std::to_string(imm) + ')', 1, 1);
break;
}
case Tegra::Shader::LogicOperation::Or: {
regs.SetRegisterToInteger(instr.gpr0, false, 0,
'(' + op_a + " | " + std::to_string(imm) + ')', 1, 1);
break;
}
case Tegra::Shader::LogicOperation::Xor: {
regs.SetRegisterToInteger(instr.gpr0, false, 0,
'(' + op_a + " ^ " + std::to_string(imm) + ')', 1, 1);
break;
}
default:
NGLOG_CRITICAL(HW_GPU, "Unimplemented lop32i operation: {}",
static_cast<u32>(instr.alu.lop.operation.Value()));
UNREACHABLE();
}
break;
}
default: {
NGLOG_CRITICAL(HW_GPU, "Unhandled logic instruction: {}", opcode->GetName());
UNREACHABLE();
}
}
break;
}
case OpCode::Type::Ffma: {
std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
std::string op_b = instr.ffma.negate_b ? "-" : "";