Merge pull request #11430 from liamwhite/validation-error-whats-that
shader_recompiler: fix emulation of 3D textureGrad
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commit
89a2d48cf8
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@ -558,7 +558,7 @@ void EmitImageGradient(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
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if (multi_component) {
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if (info.num_derivates >= 3) {
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const auto offset_vec{ctx.var_alloc.Consume(offset)};
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ctx.Add("{}=textureGrad({},{},vec3({}.xz, {}.x),vec3({}.yz, {}.y));", texel, texture,
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ctx.Add("{}=textureGrad({},{},vec3({}.xz, {}.x),vec3({}.yw, {}.y));", texel, texture,
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coords, derivatives_vec, offset_vec, derivatives_vec, offset_vec);
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return;
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}
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@ -91,6 +91,34 @@ public:
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}
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}
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explicit ImageOperands(EmitContext& ctx, bool has_lod_clamp, Id derivates_1, Id derivates_2,
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Id offset, Id lod_clamp) {
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if (!Sirit::ValidId(derivates_1) || !Sirit::ValidId(derivates_2)) {
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throw LogicError("Derivates must be present");
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}
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boost::container::static_vector<Id, 3> deriv_1_accum{
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ctx.OpCompositeExtract(ctx.F32[1], derivates_1, 0),
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ctx.OpCompositeExtract(ctx.F32[1], derivates_1, 2),
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ctx.OpCompositeExtract(ctx.F32[1], derivates_2, 0),
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};
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boost::container::static_vector<Id, 3> deriv_2_accum{
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ctx.OpCompositeExtract(ctx.F32[1], derivates_1, 1),
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ctx.OpCompositeExtract(ctx.F32[1], derivates_1, 3),
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ctx.OpCompositeExtract(ctx.F32[1], derivates_2, 1),
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};
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const Id derivates_id1{ctx.OpCompositeConstruct(
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ctx.F32[3], std::span{deriv_1_accum.data(), deriv_1_accum.size()})};
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const Id derivates_id2{ctx.OpCompositeConstruct(
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ctx.F32[3], std::span{deriv_2_accum.data(), deriv_2_accum.size()})};
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Add(spv::ImageOperandsMask::Grad, derivates_id1, derivates_id2);
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if (Sirit::ValidId(offset)) {
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Add(spv::ImageOperandsMask::Offset, offset);
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}
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if (has_lod_clamp) {
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Add(spv::ImageOperandsMask::MinLod, lod_clamp);
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}
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}
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std::span<const Id> Span() const noexcept {
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return std::span{operands.data(), operands.size()};
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}
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@ -524,8 +552,11 @@ Id EmitImageQueryLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, I
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Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
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Id derivates, Id offset, Id lod_clamp) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, info.has_lod_clamp != 0, derivates, info.num_derivates,
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offset, lod_clamp);
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const auto operands =
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info.num_derivates == 3
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? ImageOperands(ctx, info.has_lod_clamp != 0, derivates, offset, {}, lod_clamp)
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: ImageOperands(ctx, info.has_lod_clamp != 0, derivates, info.num_derivates, offset,
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lod_clamp);
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return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
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&EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4],
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Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
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