shader_decode: Implement PSETP
This commit is contained in:
parent
802c23b8a8
commit
abdbafbc20
|
@ -11,12 +11,32 @@ namespace VideoCommon::Shader {
|
|||
|
||||
using Tegra::Shader::Instruction;
|
||||
using Tegra::Shader::OpCode;
|
||||
using Tegra::Shader::Pred;
|
||||
|
||||
u32 ShaderIR::DecodePredicateSetPredicate(BasicBlock& bb, u32 pc) {
|
||||
const Instruction instr = {program_code[pc]};
|
||||
const auto opcode = OpCode::Decode(instr);
|
||||
|
||||
UNIMPLEMENTED();
|
||||
const Node op_a = GetPredicate(instr.psetp.pred12, instr.psetp.neg_pred12 != 0);
|
||||
const Node op_b = GetPredicate(instr.psetp.pred29, instr.psetp.neg_pred29 != 0);
|
||||
|
||||
// We can't use the constant predicate as destination.
|
||||
ASSERT(instr.psetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
|
||||
|
||||
const Node second_pred = GetPredicate(instr.psetp.pred39, instr.psetp.neg_pred39 != 0);
|
||||
|
||||
const OperationCode combiner = GetPredicateCombiner(instr.psetp.op);
|
||||
const Node predicate = Operation(combiner, op_a, op_b);
|
||||
|
||||
// Set the primary predicate to the result of Predicate OP SecondPredicate
|
||||
SetPredicate(bb, instr.psetp.pred3, Operation(combiner, predicate, second_pred));
|
||||
|
||||
if (instr.psetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
|
||||
// Set the secondary predicate to the result of !Predicate OP SecondPredicate, if enabled
|
||||
SetPredicate(
|
||||
bb, instr.psetp.pred0,
|
||||
Operation(combiner, Operation(OperationCode::LogicalNegate, predicate), second_pred));
|
||||
}
|
||||
|
||||
return pc;
|
||||
}
|
||||
|
|
Reference in New Issue