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author | FernandoS27 <fsahmkow27@gmail.com> | 2021-03-29 02:00:43 +0200 |
---|---|---|
committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:25 +0200 |
commit | d5bfc630886d98ed77959a9771c67293244aff0e (patch) | |
tree | 5816db6c236f9884c8900dd8a2c1e7ba9936b757 /src/shader_recompiler/backend/spirv/emit_spirv_image.cpp | |
parent | shader: Implement TMML partially (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv_image.cpp | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp index 9f8fe2603..1eba9cc00 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp @@ -69,12 +69,44 @@ public: } } + explicit ImageOperands(EmitContext& ctx, bool has_lod_clamp, Id derivates, u32 num_derivates, + Id offset, Id lod_clamp) { + if (Sirit::ValidId(derivates)) { + boost::container::static_vector<Id, 3> deriv_x_accum; + boost::container::static_vector<Id, 3> deriv_y_accum; + for (size_t i = 0; i < num_derivates; i++) { + deriv_x_accum.push_back(ctx.OpCompositeExtract(ctx.F32[1], derivates, i * 2)); + deriv_y_accum.push_back(ctx.OpCompositeExtract(ctx.F32[1], derivates, i * 2 + 1)); + } + Id derivates_X = ctx.OpCompositeConstruct( + ctx.F32[num_derivates], std::span{deriv_x_accum.data(), deriv_x_accum.size()}); + Id derivates_Y = ctx.OpCompositeConstruct( + ctx.F32[num_derivates], std::span{deriv_y_accum.data(), deriv_y_accum.size()}); + Add(spv::ImageOperandsMask::Grad, derivates_X, derivates_Y); + } else { + throw LogicError("Derivates must be present"); + } + if (Sirit::ValidId(offset)) { + Add(spv::ImageOperandsMask::Offset, offset); + } + if (has_lod_clamp) { + Add(spv::ImageOperandsMask::MinLod, lod_clamp); + } + } + void Add(spv::ImageOperandsMask new_mask, Id value) { mask = static_cast<spv::ImageOperandsMask>(static_cast<unsigned>(mask) | static_cast<unsigned>(new_mask)); operands.push_back(value); } + void Add(spv::ImageOperandsMask new_mask, Id value, Id value_2) { + mask = static_cast<spv::ImageOperandsMask>(static_cast<unsigned>(mask) | + static_cast<unsigned>(new_mask)); + operands.push_back(value); + operands.push_back(value_2); + } + std::span<const Id> Span() const noexcept { return std::span{operands.data(), operands.size()}; } @@ -84,7 +116,7 @@ public: } private: - boost::container::static_vector<Id, 3> operands; + boost::container::static_vector<Id, 4> operands; spv::ImageOperandsMask mask{}; }; @@ -165,6 +197,10 @@ Id EmitBindlessImageQueryLod(EmitContext&) { throw LogicError("Unreachable instruction"); } +Id EmitBindlessImageGradient(EmitContext&) { + throw LogicError("Unreachable instruction"); +} + Id EmitBoundImageSampleImplicitLod(EmitContext&) { throw LogicError("Unreachable instruction"); } @@ -201,6 +237,10 @@ Id EmitBoundImageQueryLod(EmitContext&) { throw LogicError("Unreachable instruction"); } +Id EmitBoundImageGradient(EmitContext&) { + throw LogicError("Unreachable instruction"); +} + Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id bias_lc, Id offset) { const auto info{inst->Flags<IR::TextureInstInfo>()}; @@ -302,4 +342,13 @@ Id EmitImageQueryLod(EmitContext& ctx, IR::Inst*, const IR::Value& index, Id coo zero, zero); } +Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, + Id derivates, Id offset, Id lod_clamp) { + const auto info{inst->Flags<IR::TextureInstInfo>()}; + const ImageOperands operands(ctx, info.has_lod_clamp != 0, derivates, info.num_derivates, offset, lod_clamp); + return Emit(&EmitContext::OpImageSparseSampleExplicitLod, + &EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4], Texture(ctx, index), + coords, operands.Mask(), operands.Span()); +} + } // namespace Shader::Backend::SPIRV |