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gl_shader_decompiler: Implement VSETP

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This commit is contained in:
ReinUsesLisp 2018-10-18 02:39:15 -03:00
parent 5dfb43531c
commit 7d6dca0d0a
2 changed files with 26 additions and 0 deletions
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2
src/video_core/engines/shader_bytecode.h
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@ -1246,6 +1246,7 @@ public:
OUT_R, // Emit vertex/primitive
ISBERD,
VMAD,
VSETP,
FFMA_IMM, // Fused Multiply and Add
FFMA_CR,
FFMA_RC,
@ -1501,6 +1502,7 @@ private:
INST("1111101111100---", Id::OUT_R, Type::Trivial, "OUT_R"),
INST("1110111111010---", Id::ISBERD, Type::Trivial, "ISBERD"),
INST("01011111--------", Id::VMAD, Type::Trivial, "VMAD"),
INST("0101000011110---", Id::VSETP, Type::Trivial, "VSETP"),
INST("0011001-1-------", Id::FFMA_IMM, Type::Ffma, "FFMA_IMM"),
INST("010010011-------", Id::FFMA_CR, Type::Ffma, "FFMA_CR"),
INST("010100011-------", Id::FFMA_RC, Type::Ffma, "FFMA_RC"),

24
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -3362,6 +3362,30 @@ private:
instr.vmad.cc);
break;
}
case OpCode::Id::VSETP: {
const std::string op_a = GetVideoOperandA(instr);
const std::string op_b = GetVideoOperandB(instr);
// We can't use the constant predicate as destination.
ASSERT(instr.vsetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
const std::string second_pred = GetPredicateCondition(instr.vsetp.pred39, false);
const std::string combiner = GetPredicateCombiner(instr.vsetp.op);
const std::string predicate = GetPredicateComparison(instr.vsetp.cond, op_a, op_b);
// Set the primary predicate to the result of Predicate OP SecondPredicate
SetPredicate(instr.vsetp.pred3,
'(' + predicate + ") " + combiner + " (" + second_pred + ')');
if (instr.vsetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
// Set the secondary predicate to the result of !Predicate OP SecondPredicate,
// if enabled
SetPredicate(instr.vsetp.pred0,
"!(" + predicate + ") " + combiner + " (" + second_pred + ')');
}
break;
}
default: {
LOG_CRITICAL(HW_GPU, "Unhandled instruction: {}", opcode->GetName());
UNREACHABLE();