diff options
| author | bunnei <bunneidev@gmail.com> | 2021-07-25 11:39:04 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-25 11:39:04 -0700 |
| commit | 98b26b6e126d4775fdf3f773fe8a8ac808a8ff8f (patch) | |
| tree | 816faa96c2c4d291825063433331a8ea4b3d08f1 /src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp | |
| parent | c2aaf5137003868b2375b96ee84e2cb42d5f355e (diff) | |
| parent | 7f13104c1778cfdfd54350e92603164070781124 (diff) | |
Merge pull request #6585 from ameerj/hades
Shader Decompiler Rewrite
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp')
| -rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp new file mode 100644 index 0000000000..7ce370f09c --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp @@ -0,0 +1,54 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { +enum class VoteOp : u64 { + ALL, + ANY, + EQ, +}; + +[[nodiscard]] IR::U1 VoteOperation(IR::IREmitter& ir, const IR::U1& pred, VoteOp vote_op) { + switch (vote_op) { + case VoteOp::ALL: + return ir.VoteAll(pred); + case VoteOp::ANY: + return ir.VoteAny(pred); + case VoteOp::EQ: + return ir.VoteEqual(pred); + default: + throw NotImplementedException("Invalid VOTE op {}", vote_op); + } +} + +void Vote(TranslatorVisitor& v, u64 insn) { + union { + u64 insn; + BitField<0, 8, IR::Reg> dest_reg; + BitField<39, 3, IR::Pred> pred_a; + BitField<42, 1, u64> neg_pred_a; + BitField<45, 3, IR::Pred> pred_b; + BitField<48, 2, VoteOp> vote_op; + } const vote{insn}; + + const IR::U1 vote_pred{v.ir.GetPred(vote.pred_a, vote.neg_pred_a != 0)}; + v.ir.SetPred(vote.pred_b, VoteOperation(v.ir, vote_pred, vote.vote_op)); + v.X(vote.dest_reg, v.ir.SubgroupBallot(vote_pred)); +} +} // Anonymous namespace + +void TranslatorVisitor::VOTE(u64 insn) { + Vote(*this, insn); +} + +void TranslatorVisitor::VOTE_vtg(u64) { + LOG_WARNING(Shader, "(STUBBED) called"); +} + +} // namespace Shader::Maxwell |