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 | 58 |
1 files changed, 17 insertions, 41 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp index 62a82dce9d..ad98973e29 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp @@ -14,37 +14,10 @@ namespace Shader::Backend::SPIRV { namespace { -class DescriptorIndex { -public: - explicit DescriptorIndex(EmitContext& ctx, const IR::Value& index) - : id{index.IsImmediate() ? ctx.Const(index.U32()) : ctx.Def(index)}, - is_non_uniform{ctx.profile.support_sampled_image_array_nonuniform_indexing && - !index.IsImmediate()} { - if (!is_non_uniform) { - return; - } - if (ctx.profile.supported_spirv < 0x00010400) { - ctx.AddExtension("SPV_EXT_descriptor_indexing"); - } - ctx.AddCapability(spv::Capability::ShaderNonUniform); - ctx.AddCapability(spv::Capability::SampledImageArrayNonUniformIndexing); - Decorate(ctx, id); - } - - Id Value() const { - return id; - } - void Decorate(EmitContext& ctx, Id object) const { - if (is_non_uniform) { - ctx.Decorate(object, spv::Decoration::NonUniform); - } - } - -private: - Id id; - bool is_non_uniform; -}; +[[nodiscard]] bool IsNonUniformDescriptor(EmitContext& ctx, const IR::Value& index) noexcept { + return ctx.profile.support_sampled_image_array_nonuniform_indexing && !index.IsImmediate(); +} class ImageOperands { public: @@ -221,11 +194,13 @@ private: Id Texture(EmitContext& ctx, IR::TextureInstInfo info, [[maybe_unused]] const IR::Value& index) { const TextureDefinition& def{ctx.textures.at(info.descriptor_index)}; if (def.count > 1) { - const DescriptorIndex idx{ctx, index}; - const Id pointer{ctx.OpAccessChain(def.pointer_type, def.id, idx.Value())}; - idx.Decorate(ctx, pointer); + auto const idx = index.IsImmediate() ? ctx.Const(index.U32()) : ctx.Def(index); + if (!ctx.non_uniform_ids.contains(idx.value) && IsNonUniformDescriptor(ctx, index)) { + ctx.Decorate(idx, spv::Decoration::NonUniform); + ctx.non_uniform_ids.insert(idx.value); + } + const Id pointer{ctx.OpAccessChain(def.pointer_type, def.id, idx)}; const Id object{ctx.OpLoad(def.sampled_type, pointer)}; - idx.Decorate(ctx, object); return object; } else { return ctx.OpLoad(def.sampled_type, def.id); @@ -244,13 +219,14 @@ Id TextureImage(EmitContext& ctx, IR::TextureInstInfo info, const IR::Value& ind } else { const TextureDefinition& def{ctx.textures.at(info.descriptor_index)}; if (def.count > 1) { - const DescriptorIndex idx{ctx, index}; - const Id ptr{ctx.OpAccessChain(def.pointer_type, def.id, idx.Value())}; - idx.Decorate(ctx, ptr); - const Id object{ctx.OpLoad(def.sampled_type, ptr)}; - idx.Decorate(ctx, object); - const Id image{ctx.OpImage(def.image_type, object)}; - idx.Decorate(ctx, image); + auto const idx = index.IsImmediate() ? ctx.Const(index.U32()) : ctx.Def(index); + if (!ctx.non_uniform_ids.contains(idx.value) && IsNonUniformDescriptor(ctx, index)) { + ctx.Decorate(idx, spv::Decoration::NonUniform); + ctx.non_uniform_ids.insert(idx.value); + } + const Id ptr = ctx.OpAccessChain(def.pointer_type, def.id, idx); + const Id object = ctx.OpLoad(def.sampled_type, ptr); + const Id image = ctx.OpImage(def.image_type, object); return image; } return ctx.OpImage(def.image_type, ctx.OpLoad(def.sampled_type, def.id)); |
