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shader_decode: Implement MUFU

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This commit is contained in:
ReinUsesLisp 2018-12-20 23:56:21 -03:00
parent 4ccaa1402d
commit 964ddeeb90
1 changed files with 29 additions and 0 deletions
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29
src/video_core/shader/decode/arithmetic.cpp
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@ -93,6 +93,35 @@ u32 ShaderIR::DecodeArithmetic(BasicBlock& bb, u32 pc) {
SetRegister(bb, instr.gpr0, value);
break;
}
case OpCode::Id::MUFU: {
op_a = GetOperandAbsNegFloat(op_a, instr.alu.abs_a, instr.alu.negate_a);
Node value = [&]() {
switch (instr.sub_op) {
case SubOp::Cos:
return Operation(OperationCode::FCos, PRECISE, op_a);
case SubOp::Sin:
return Operation(OperationCode::FSin, PRECISE, op_a);
case SubOp::Ex2:
return Operation(OperationCode::FExp2, PRECISE, op_a);
case SubOp::Lg2:
return Operation(OperationCode::FLog2, PRECISE, op_a);
case SubOp::Rcp:
return Operation(OperationCode::FDiv, PRECISE, Immediate(1.0f), op_a);
case SubOp::Rsq:
return Operation(OperationCode::FInverseSqrt, PRECISE, op_a);
case SubOp::Sqrt:
return Operation(OperationCode::FSqrt, PRECISE, op_a);
default:
UNIMPLEMENTED_MSG("Unhandled MUFU sub op={0:x}",
static_cast<unsigned>(instr.sub_op.Value()));
}
}();
value = GetSaturatedFloat(value, instr.alu.saturate_d);
SetRegister(bb, instr.gpr0, value);
break;
}
default:
UNIMPLEMENTED_MSG("Unhandled arithmetic instruction: {}", opcode->get().GetName());
}