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gl_shader_decompiler: Implement HSETP2_R

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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
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20
src/video_core/engines/shader_bytecode.h
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@ -800,6 +800,23 @@ union Instruction {
BitField<45, 4, PredOperation> op; // op with pred39
} csetp;
union {
BitField<35, 4, PredCondition> cond;
BitField<49, 1, u64> h_and;
BitField<6, 1, u64> ftz;
BitField<45, 2, PredOperation> op;
BitField<3, 3, u64> pred3;
BitField<0, 3, u64> pred0;
BitField<43, 1, u64> negate_a;
BitField<44, 1, u64> abs_a;
BitField<47, 2, HalfType> type_a;
BitField<31, 1, u64> negate_b;
BitField<30, 1, u64> abs_b;
BitField<28, 2, HalfType> type_b;
BitField<42, 1, u64> neg_pred;
BitField<39, 3, u64> pred39;
} hsetp2;
union {
BitField<39, 3, u64> pred39;
BitField<42, 1, u64> neg_pred;
@ -1239,6 +1256,7 @@ public:
HFMA2_RC,
HFMA2_RR,
HFMA2_IMM_R,
HSETP2_R,
POPC_C,
POPC_R,
POPC_IMM,
@ -1325,6 +1343,7 @@ public:
FloatSetPredicate,
IntegerSet,
IntegerSetPredicate,
HalfSetPredicate,
PredicateSetPredicate,
PredicateSetRegister,
Conversion,
@ -1496,6 +1515,7 @@ private:
INST("01100---1-------", Id::HFMA2_RC, Type::Hfma2, "HFMA2_RC"),
INST("0101110100000---", Id::HFMA2_RR, Type::Hfma2, "HFMA2_RR"),
INST("01110---0-------", Id::HFMA2_IMM_R, Type::Hfma2, "HFMA2_R_IMM"),
INST("0101110100100---", Id::HSETP2_R, Type::HalfSetPredicate, "HSETP_R"),
INST("0101000010000---", Id::MUFU, Type::Arithmetic, "MUFU"),
INST("0100110010010---", Id::RRO_C, Type::Arithmetic, "RRO_C"),
INST("0101110010010---", Id::RRO_R, Type::Arithmetic, "RRO_R"),

45
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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);