gl_shader_decompiler: Implement HSETP2_R

This commit is contained in:
ReinUsesLisp 2018-10-15 02:09:40 -03:00
parent 3d65aa4caf
commit 4fc8ad67bf
2 changed files with 65 additions and 0 deletions

View file

@ -2791,6 +2791,51 @@ private:
}
break;
}
case OpCode::Type::HalfSetPredicate: {
ASSERT_MSG(instr.hsetp2.ftz == 0, "Unimplemented");
const std::string op_a =
GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr8, 0, false), instr.hsetp2.type_a,
instr.hsetp2.abs_a, instr.hsetp2.negate_a);
const std::string op_b = [&]() {
switch (opcode->GetId()) {
case OpCode::Id::HSETP2_R:
return GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr20, 0, false),
instr.hsetp2.type_b, instr.hsetp2.abs_a,
instr.hsetp2.negate_b);
default:
UNREACHABLE();
return std::string("vec2(0)");
}
}();
// We can't use the constant predicate as destination.
ASSERT(instr.hsetp2.pred3 != static_cast<u64>(Pred::UnusedIndex));
const std::string second_pred =
GetPredicateCondition(instr.hsetp2.pred39, instr.hsetp2.neg_pred != 0);
const std::string combiner = GetPredicateCombiner(instr.hsetp2.op);
const std::string component_combiner = instr.hsetp2.h_and ? "&&" : "||";
const std::string predicate =
'(' + GetPredicateComparison(instr.hsetp2.cond, op_a + ".x", op_b + ".x") + ' ' +
component_combiner + ' ' +
GetPredicateComparison(instr.hsetp2.cond, op_a + ".y", op_b + ".y") + ')';
// Set the primary predicate to the result of Predicate OP SecondPredicate
SetPredicate(instr.hsetp2.pred3,
'(' + predicate + ") " + combiner + " (" + second_pred + ')');
if (instr.hsetp2.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
// Set the secondary predicate to the result of !Predicate OP SecondPredicate,
// if enabled
SetPredicate(instr.hsetp2.pred0,
"!(" + predicate + ") " + combiner + " (" + second_pred + ')');
}
break;
}
case OpCode::Type::PredicateSetRegister: {
const std::string op_a =
GetPredicateCondition(instr.pset.pred12, instr.pset.neg_pred12 != 0);