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| 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/backend/glasm/emit_glasm_warp.cpp | |
| parent | c2aaf5137003868b2375b96ee84e2cb42d5f355e (diff) | |
| parent | 7f13104c1778cfdfd54350e92603164070781124 (diff) | |
Merge pull request #6585 from ameerj/hades
Shader Decompiler Rewrite
Diffstat (limited to 'src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp | 150 |
1 files changed, 150 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 new file mode 100644 index 0000000000..544d475b43 --- /dev/null +++ b/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp @@ -0,0 +1,150 @@ +// 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" +#include "shader_recompiler/profile.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) { + IR::Inst* const in_bounds{inst.GetAssociatedPseudoOperation(IR::Opcode::GetInBoundsFromOp)}; + if (in_bounds) { + in_bounds->Invalidate(); + } + 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)}; + 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); + } 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& ctx, IR::Inst& inst, ScalarF32 op_a, ScalarF32 op_b, + ScalarU32 swizzle) { + const auto ret{ctx.reg_alloc.Define(inst)}; + ctx.Add("AND.U RC.z,{}.threadid,3;" + "SHL.U RC.z,RC.z,1;" + "SHR.U RC.z,{},RC.z;" + "AND.U RC.z,RC.z,3;" + "MUL.F RC.x,{},FSWZA[RC.z];" + "MUL.F RC.y,{},FSWZB[RC.z];" + "ADD.F {}.x,RC.x,RC.y;", + ctx.stage_name, swizzle, op_a, op_b, ret); +} + +void EmitDPdxFine(EmitContext& ctx, IR::Inst& inst, ScalarF32 p) { + if (ctx.profile.support_derivative_control) { + ctx.Add("DDX.FINE {}.x,{};", inst, p); + } else { + LOG_WARNING(Shader_GLASM, "Fine derivatives not supported by device"); + ctx.Add("DDX {}.x,{};", inst, p); + } +} + +void EmitDPdyFine(EmitContext& ctx, IR::Inst& inst, ScalarF32 p) { + if (ctx.profile.support_derivative_control) { + ctx.Add("DDY.FINE {}.x,{};", inst, p); + } else { + LOG_WARNING(Shader_GLASM, "Fine derivatives not supported by device"); + ctx.Add("DDY {}.x,{};", inst, p); + } +} + +void EmitDPdxCoarse(EmitContext& ctx, IR::Inst& inst, ScalarF32 p) { + if (ctx.profile.support_derivative_control) { + ctx.Add("DDX.COARSE {}.x,{};", inst, p); + } else { + LOG_WARNING(Shader_GLASM, "Coarse derivatives not supported by device"); + ctx.Add("DDX {}.x,{};", inst, p); + } +} + +void EmitDPdyCoarse(EmitContext& ctx, IR::Inst& inst, ScalarF32 p) { + if (ctx.profile.support_derivative_control) { + ctx.Add("DDY.COARSE {}.x,{};", inst, p); + } else { + LOG_WARNING(Shader_GLASM, "Coarse derivatives not supported by device"); + ctx.Add("DDY {}.x,{};", inst, p); + } +} + +} // namespace Shader::Backend::GLASM |