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author | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-03-24 01:27:17 +0100 |
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committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:24 +0200 |
commit | 3d07cef009cf9e287744c7771c67166ef5761ce8 (patch) | |
tree | 78f4fea18d9facb72850b4c2fe115e96b7af8f26 /src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp | |
parent | vk_pipeline_cache: Fix ReleaseContents order (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp | 52 |
1 files changed, 52 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 000000000..a88894a7e --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp @@ -0,0 +1,52 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <optional> + +#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); +} + +} // namespace Shader::Maxwell |