diff options
Diffstat (limited to 'src/shader_recompiler/backend/spirv/emit_spirv_image.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv_image.cpp | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp index 7d901c04b..34240b36f 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp @@ -91,6 +91,34 @@ public: } } + explicit ImageOperands(EmitContext& ctx, bool has_lod_clamp, Id derivates_1, Id derivates_2, + Id offset, Id lod_clamp) { + if (!Sirit::ValidId(derivates_1) || !Sirit::ValidId(derivates_2)) { + throw LogicError("Derivates must be present"); + } + boost::container::static_vector<Id, 3> deriv_1_accum{ + ctx.OpCompositeExtract(ctx.F32[1], derivates_1, 0), + ctx.OpCompositeExtract(ctx.F32[1], derivates_1, 2), + ctx.OpCompositeExtract(ctx.F32[1], derivates_2, 0), + }; + boost::container::static_vector<Id, 3> deriv_2_accum{ + ctx.OpCompositeExtract(ctx.F32[1], derivates_1, 1), + ctx.OpCompositeExtract(ctx.F32[1], derivates_1, 3), + ctx.OpCompositeExtract(ctx.F32[1], derivates_2, 1), + }; + const Id derivates_id1{ctx.OpCompositeConstruct( + ctx.F32[3], std::span{deriv_1_accum.data(), deriv_1_accum.size()})}; + const Id derivates_id2{ctx.OpCompositeConstruct( + ctx.F32[3], std::span{deriv_2_accum.data(), deriv_2_accum.size()})}; + Add(spv::ImageOperandsMask::Grad, derivates_id1, derivates_id2); + if (Sirit::ValidId(offset)) { + Add(spv::ImageOperandsMask::Offset, offset); + } + if (has_lod_clamp) { + Add(spv::ImageOperandsMask::MinLod, lod_clamp); + } + } + std::span<const Id> Span() const noexcept { return std::span{operands.data(), operands.size()}; } @@ -524,8 +552,11 @@ Id EmitImageQueryLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, I 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); + const auto operands = + info.num_derivates == 3 + ? ImageOperands(ctx, info.has_lod_clamp != 0, derivates, offset, {}, lod_clamp) + : ImageOperands(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, info, index), coords, operands.Mask(), operands.Span()); |