diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-04-17 02:59:54 -0300 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:28 -0400 |
| commit | dbbd4b549682dd4302e6258cced184a0ec78e99a (patch) | |
| tree | 81f7d4dbe2d56c3bf1c0553a9983ef153dcbc72c /src/shader_recompiler/backend/spirv/emit_spirv_image.cpp | |
| parent | be431f5ed080955cce358e9750347229b2bc9a04 (diff) | |
spirv: Use ConstOffset instead of Offset when possible
Diffstat (limited to 'src/shader_recompiler/backend/spirv/emit_spirv_image.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv_image.cpp | 63 |
1 files changed, 46 insertions, 17 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp index c8d1d25b17..021933a8c0 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp @@ -12,7 +12,7 @@ namespace { class ImageOperands { public: explicit ImageOperands(EmitContext& ctx, bool has_bias, bool has_lod, bool has_lod_clamp, - Id lod, Id offset) { + Id lod, const IR::Value& offset) { if (has_bias) { const Id bias{has_lod_clamp ? ctx.OpCompositeExtract(ctx.F32[1], lod, 0) : lod}; Add(spv::ImageOperandsMask::Bias, bias); @@ -21,9 +21,7 @@ public: const Id lod_value{has_lod_clamp ? ctx.OpCompositeExtract(ctx.F32[1], lod, 0) : lod}; Add(spv::ImageOperandsMask::Lod, lod_value); } - if (Sirit::ValidId(offset)) { - Add(spv::ImageOperandsMask::Offset, offset); - } + AddOffset(ctx, offset); if (has_lod_clamp) { const Id lod_clamp{has_bias ? ctx.OpCompositeExtract(ctx.F32[1], lod, 1) : lod}; Add(spv::ImageOperandsMask::MinLod, lod_clamp); @@ -96,6 +94,46 @@ public: } } + std::span<const Id> Span() const noexcept { + return std::span{operands.data(), operands.size()}; + } + + spv::ImageOperandsMask Mask() const noexcept { + return mask; + } + +private: + void AddOffset(EmitContext& ctx, const IR::Value& offset) { + if (offset.IsEmpty()) { + return; + } + if (offset.IsImmediate()) { + Add(spv::ImageOperandsMask::ConstOffset, ctx.Constant(ctx.U32[1], offset.U32())); + return; + } + IR::Inst* const inst{offset.InstRecursive()}; + if (inst->AreAllArgsImmediates()) { + switch (inst->GetOpcode()) { + case IR::Opcode::CompositeConstructU32x2: + Add(spv::ImageOperandsMask::ConstOffset, + ctx.Const(inst->Arg(0).U32(), inst->Arg(1).U32())); + return; + case IR::Opcode::CompositeConstructU32x3: + Add(spv::ImageOperandsMask::ConstOffset, + ctx.Const(inst->Arg(0).U32(), inst->Arg(1).U32(), inst->Arg(2).U32())); + return; + case IR::Opcode::CompositeConstructU32x4: + Add(spv::ImageOperandsMask::ConstOffset, + ctx.Const(inst->Arg(0).U32(), inst->Arg(1).U32(), inst->Arg(2).U32(), + inst->Arg(3).U32())); + return; + default: + break; + } + } + Add(spv::ImageOperandsMask::Offset, ctx.Def(offset)); + } + void Add(spv::ImageOperandsMask new_mask, Id value) { mask = static_cast<spv::ImageOperandsMask>(static_cast<unsigned>(mask) | static_cast<unsigned>(new_mask)); @@ -109,15 +147,6 @@ public: operands.push_back(value_2); } - std::span<const Id> Span() const noexcept { - return std::span{operands.data(), operands.size()}; - } - - spv::ImageOperandsMask Mask() const noexcept { - return mask; - } - -private: boost::container::static_vector<Id, 4> operands; spv::ImageOperandsMask mask{}; }; @@ -279,7 +308,7 @@ Id EmitBoundImageWrite(EmitContext&) { } Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, - Id bias_lc, Id offset) { + Id bias_lc, const IR::Value& offset) { const auto info{inst->Flags<IR::TextureInstInfo>()}; const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0, bias_lc, offset); @@ -289,7 +318,7 @@ Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& } Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, - Id lod_lc, Id offset) { + Id lod_lc, const IR::Value& offset) { const auto info{inst->Flags<IR::TextureInstInfo>()}; const ImageOperands operands(ctx, false, true, info.has_lod_clamp != 0, lod_lc, offset); return Emit(&EmitContext::OpImageSparseSampleExplicitLod, @@ -298,7 +327,7 @@ Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& } Id EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, - Id coords, Id dref, Id bias_lc, Id offset) { + Id coords, Id dref, Id bias_lc, const IR::Value& offset) { const auto info{inst->Flags<IR::TextureInstInfo>()}; const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0, bias_lc, offset); @@ -308,7 +337,7 @@ Id EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Va } Id EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, - Id coords, Id dref, Id lod_lc, Id offset) { + Id coords, Id dref, Id lod_lc, const IR::Value& offset) { const auto info{inst->Flags<IR::TextureInstInfo>()}; const ImageOperands operands(ctx, false, true, info.has_lod_clamp != 0, lod_lc, offset); return Emit(&EmitContext::OpImageSparseSampleDrefExplicitLod, |