spirv: fix multisampled image fetch
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f99f618d45
commit
76a4356e55
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@ -436,6 +436,10 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id c
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if (info.type == TextureType::Buffer) {
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lod = Id{};
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}
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if (Sirit::ValidId(ms)) {
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// This image is multisampled, lod must be implicit
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lod = Id{};
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}
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const ImageOperands operands(offset, lod, ms);
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return Emit(&EmitContext::OpImageSparseFetch, &EmitContext::OpImageFetch, ctx, inst, ctx.F32[4],
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TextureImage(ctx, info, index), coords, operands.MaskOptional(), operands.Span());
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@ -35,6 +35,7 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
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const spv::ImageFormat format{spv::ImageFormat::Unknown};
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const Id type{ctx.F32[1]};
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const bool depth{desc.is_depth};
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const bool ms{desc.is_multisample};
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switch (desc.type) {
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case TextureType::Color1D:
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return ctx.TypeImage(type, spv::Dim::Dim1D, depth, false, false, 1, format);
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@ -42,9 +43,9 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
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return ctx.TypeImage(type, spv::Dim::Dim1D, depth, true, false, 1, format);
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case TextureType::Color2D:
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case TextureType::Color2DRect:
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return ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, false, 1, format);
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return ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, ms, 1, format);
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case TextureType::ColorArray2D:
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return ctx.TypeImage(type, spv::Dim::Dim2D, depth, true, false, 1, format);
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return ctx.TypeImage(type, spv::Dim::Dim2D, depth, true, ms, 1, format);
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case TextureType::Color3D:
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return ctx.TypeImage(type, spv::Dim::Dim3D, depth, false, false, 1, format);
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case TextureType::ColorCube:
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@ -524,6 +524,7 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
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const auto& cbuf{texture_inst.cbuf};
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auto flags{inst->Flags<IR::TextureInstInfo>()};
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bool is_multisample{false};
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switch (inst->GetOpcode()) {
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case IR::Opcode::ImageQueryDimensions:
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flags.type.Assign(ReadTextureType(env, cbuf));
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@ -538,6 +539,12 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
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}
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break;
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case IR::Opcode::ImageFetch:
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if (flags.type == TextureType::Color2D || flags.type == TextureType::Color2DRect ||
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flags.type == TextureType::ColorArray2D) {
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is_multisample = !inst->Arg(4).IsEmpty();
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} else {
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inst->SetArg(4, IR::U32{});
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}
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if (flags.type != TextureType::Color1D) {
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break;
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}
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@ -613,6 +620,7 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
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index = descriptors.Add(TextureDescriptor{
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.type = flags.type,
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.is_depth = flags.is_depth != 0,
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.is_multisample = is_multisample,
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.has_secondary = cbuf.has_secondary,
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.cbuf_index = cbuf.index,
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.cbuf_offset = cbuf.offset,
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@ -109,6 +109,7 @@ using ImageBufferDescriptors = boost::container::small_vector<ImageBufferDescrip
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struct TextureDescriptor {
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TextureType type;
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bool is_depth;
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bool is_multisample;
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bool has_secondary;
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u32 cbuf_index;
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u32 cbuf_offset;
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