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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-05-10 23:21:28 +0200 |
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committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:31 +0200 |
commit | c4fd6b55bc9acd06b2fc89f84fd175d78e14110a (patch) | |
tree | c246a1c64f4826faedcf5c93be778116e48caf85 /src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp | |
parent | glasm: Add MUFU instructions to GLASM (diff) | |
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Diffstat (limited to 'src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp')
-rw-r--r-- | src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp index e69de29bb..37eb577cd 100644 --- a/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp +++ b/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp @@ -0,0 +1,118 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "shader_recompiler/backend/glasm/emit_context.h" +#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h" +#include "shader_recompiler/frontend/ir/value.h" + +namespace Shader::Backend::GLASM { + +void EmitLaneId(EmitContext& ctx, IR::Inst& inst) { + ctx.Add("MOV.S {}.x,{}.threadid;", inst, ctx.stage_name); +} + +void EmitVoteAll(EmitContext& ctx, IR::Inst& inst, ScalarS32 pred) { + ctx.Add("TGALL.S {}.x,{};", inst, pred); +} + +void EmitVoteAny(EmitContext& ctx, IR::Inst& inst, ScalarS32 pred) { + ctx.Add("TGANY.S {}.x,{};", inst, pred); +} + +void EmitVoteEqual(EmitContext& ctx, IR::Inst& inst, ScalarS32 pred) { + ctx.Add("TGEQ.S {}.x,{};", inst, pred); +} + +void EmitSubgroupBallot(EmitContext& ctx, IR::Inst& inst, ScalarS32 pred) { + ctx.Add("TGBALLOT {}.x,{};", inst, pred); +} + +void EmitSubgroupEqMask(EmitContext& ctx, IR::Inst& inst) { + ctx.Add("MOV.U {},{}.threadeqmask;", inst, ctx.stage_name); +} + +void EmitSubgroupLtMask(EmitContext& ctx, IR::Inst& inst) { + ctx.Add("MOV.U {},{}.threadltmask;", inst, ctx.stage_name); +} + +void EmitSubgroupLeMask(EmitContext& ctx, IR::Inst& inst) { + ctx.Add("MOV.U {},{}.threadlemask;", inst, ctx.stage_name); +} + +void EmitSubgroupGtMask(EmitContext& ctx, IR::Inst& inst) { + ctx.Add("MOV.U {},{}.threadgtmask;", inst, ctx.stage_name); +} + +void EmitSubgroupGeMask(EmitContext& ctx, IR::Inst& inst) { + ctx.Add("MOV.U {},{}.threadgemask;", inst, ctx.stage_name); +} + +static void Shuffle(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 index, + const IR::Value& clamp, const IR::Value& segmentation_mask, + std::string_view op) { + std::string mask; + if (clamp.IsImmediate() && segmentation_mask.IsImmediate()) { + mask = fmt::to_string(clamp.U32() | (segmentation_mask.U32() << 8)); + } else { + mask = "RC"; + ctx.Add("BFI.U RC.x,{{5,8,0,0}},{},{};", + ScalarU32{ctx.reg_alloc.Consume(segmentation_mask)}, + ScalarU32{ctx.reg_alloc.Consume(clamp)}); + } + const Register value_ret{ctx.reg_alloc.Define(inst)}; + IR::Inst* const in_bounds{inst.GetAssociatedPseudoOperation(IR::Opcode::GetInBoundsFromOp)}; + if (in_bounds) { + const Register bounds_ret{ctx.reg_alloc.Define(*in_bounds)}; + ctx.Add("SHF{}.U {},{},{},{};" + "MOV.U {}.x,{}.y;", + op, bounds_ret, value, index, mask, value_ret, bounds_ret); + in_bounds->Invalidate(); + } else { + ctx.Add("SHF{}.U {},{},{},{};" + "MOV.U {}.x,{}.y;", + op, value_ret, value, index, mask, value_ret, value_ret); + } +} + +void EmitShuffleIndex(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 index, + const IR::Value& clamp, const IR::Value& segmentation_mask) { + Shuffle(ctx, inst, value, index, clamp, segmentation_mask, "IDX"); +} + +void EmitShuffleUp(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 index, + const IR::Value& clamp, const IR::Value& segmentation_mask) { + Shuffle(ctx, inst, value, index, clamp, segmentation_mask, "UP"); +} + +void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 index, + const IR::Value& clamp, const IR::Value& segmentation_mask) { + Shuffle(ctx, inst, value, index, clamp, segmentation_mask, "DOWN"); +} + +void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 index, + const IR::Value& clamp, const IR::Value& segmentation_mask) { + Shuffle(ctx, inst, value, index, clamp, segmentation_mask, "XOR"); +} + +void EmitFSwizzleAdd(EmitContext&, ScalarF32, ScalarF32, ScalarU32) { + throw NotImplementedException("GLASM instruction"); +} + +void EmitDPdxFine(EmitContext&, ScalarF32) { + throw NotImplementedException("GLASM instruction"); +} + +void EmitDPdyFine(EmitContext&, ScalarF32) { + throw NotImplementedException("GLASM instruction"); +} + +void EmitDPdxCoarse(EmitContext&, ScalarF32) { + throw NotImplementedException("GLASM instruction"); +} + +void EmitDPdyCoarse(EmitContext&, ScalarF32) { + throw NotImplementedException("GLASM instruction"); +} + +} // namespace Shader::Backend::GLASM |