mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-21 17:53:22 +02:00
shader_decode: Implement HSETP2
This commit is contained in:
parent
68c99d2597
commit
21f9e9da09
@ -11,12 +11,48 @@ namespace VideoCommon::Shader {
|
||||
|
||||
using Tegra::Shader::Instruction;
|
||||
using Tegra::Shader::OpCode;
|
||||
using Tegra::Shader::Pred;
|
||||
|
||||
u32 ShaderIR::DecodeHalfSetPredicate(BasicBlock& bb, u32 pc) {
|
||||
const Instruction instr = {program_code[pc]};
|
||||
const auto opcode = OpCode::Decode(instr);
|
||||
|
||||
UNIMPLEMENTED();
|
||||
UNIMPLEMENTED_IF(instr.hsetp2.ftz != 0);
|
||||
|
||||
Node op_a = GetRegister(instr.gpr8);
|
||||
op_a = GetOperandAbsNegHalf(op_a, instr.hsetp2.abs_a, instr.hsetp2.negate_a);
|
||||
|
||||
const Node op_b = [&]() {
|
||||
switch (opcode->get().GetId()) {
|
||||
case OpCode::Id::HSETP2_R:
|
||||
return GetOperandAbsNegHalf(GetRegister(instr.gpr20), instr.hsetp2.abs_a,
|
||||
instr.hsetp2.negate_b);
|
||||
default:
|
||||
UNREACHABLE();
|
||||
return Immediate(0);
|
||||
}
|
||||
}();
|
||||
|
||||
// We can't use the constant predicate as destination.
|
||||
ASSERT(instr.hsetp2.pred3 != static_cast<u64>(Pred::UnusedIndex));
|
||||
|
||||
const Node second_pred = GetPredicate(instr.hsetp2.pred39, instr.hsetp2.neg_pred != 0);
|
||||
|
||||
const OperationCode combiner = GetPredicateCombiner(instr.hsetp2.op);
|
||||
|
||||
MetaHalfArithmetic meta = {
|
||||
false, {instr.hsetp2.type_a, instr.hsetp2.type_b}, instr.hsetp2.h_and != 0};
|
||||
const Node first_pred = GetPredicateComparisonHalf(instr.hsetp2.cond, meta, op_a, op_b);
|
||||
|
||||
// Set the primary predicate to the result of Predicate OP SecondPredicate
|
||||
const Node value = Operation(combiner, first_pred, second_pred);
|
||||
SetPredicate(bb, instr.hsetp2.pred3, value);
|
||||
|
||||
if (instr.hsetp2.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
|
||||
// Set the secondary predicate to the result of !Predicate OP SecondPredicate, if enabled
|
||||
const Node negated_pred = Operation(OperationCode::LogicalNegate, first_pred);
|
||||
SetPredicate(bb, instr.hsetp2.pred0, Operation(combiner, negated_pred, second_pred));
|
||||
}
|
||||
|
||||
return pc;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user