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Diffstat (limited to 'src/shader_recompiler/backend/spirv/emit_spirv_image.cpp')
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_image.cpp58
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));