shader: release descriptor dependencies

src/graphics/shader/recompiler/ShaderRecompiler.cpp

@@ -634,6 +634,45 @@ CompileResult CompileProgram(TranslateResult translated, const CompileOptions& o
 	const auto emit_begin = std::chrono::steady_clock::now();
 	auto& ir = translated.program;
 	IR::ApplyResourceSpecialization(ir, specialization);
+	// The resource plan owns host descriptor evaluation now. Keep only dependencies consumed
+	// by GPU memory operations; bound descriptor dwords must not retain shader instructions.
+	for (auto& inst: ir.value_storage) {
+		inst.Invalidate();
+	}
+	for (auto* block: ir.blocks) {
+		for (auto& inst: *block) {
+			const auto op = inst.GetOpcode();
+			if (op == IR::ValueOpcode::ReferenceU32) {
+				const auto* read = inst.Arg(0).Resolve().TryInstruction();
+				if (read != nullptr &&
+				    (read->GetOpcode() == IR::ValueOpcode::LoadAddressU32 ||
+				     read->GetOpcode() == IR::ValueOpcode::ReadConstBuffer) &&
+				    ir.memory_info[read->Flags<IR::MemoryFlags>().index].planning_only) {
+					inst.Invalidate();
+				}
+				continue;
+			}
+			uint32_t first = 0;
+			if (op == IR::ValueOpcode::GetBufferResource) {
+				if (std::ranges::any_of(inst.Uses(), [&](const IR::Use& use) {
+					return ir.memory_info[use.user->Flags<IR::MemoryFlags>().index].kind ==
+					       IR::ResourceKind::IndirectBuffer;
+				})) {
+					continue;
+				}
+			} else if (op == IR::ValueOpcode::GetImageResource) {
+				const auto resource = inst.Flags<uint32_t>();
+				first = resource < ir.info.images.size() &&
+				                ir.info.images[resource].indirect_root == resource ? 1u : 0u;
+			} else if (op != IR::ValueOpcode::GetSamplerResource) {
+				continue;
+			}
+			for (size_t index = first; index < inst.NumArgs(); index++) {
+				inst.SetArg(index, IR::Value(0u));
+			}
+		}
+	}
+	ir.value_storage.clear();
 	IR::RemoveIdentities(ir.blocks);
 	IR::EliminateDeadCode(ir.blocks);
 

src/graphics/shader/recompiler/backend/spirv/SpirvEmitter.cpp

@@ -62,12 +62,7 @@ void ValidateNativeProgram(const IR::Program& program) {
 		Expect(Kind::BdaPagetable);
 		Expect(Kind::FaultBuffer);
 	}
-	const bool uses_flattened_runtime =
-	    !program.srt_reads.empty() ||
-	     std::ranges::any_of(program.info.images, [](const IR::ImageResource& image) {
-		     return image.indirect_search_iterations != 0u;
-	     });
-	if (uses_flattened_runtime) {
+	if (IR::UsesFlattenedSrt(program)) {
 		Expect(Kind::FlattenedSrt);
 	}
 	if (program.bindings.ShaderDataDwords() != 0 && !program.bindings.UsesPushData()) {

src/graphics/shader/recompiler/ir/passes/BindingLayout.cpp

@@ -85,6 +85,16 @@ bool CollectMemoryResources(const Program& program, std::vector<uint32_t>& buffe
 	return uses_gds;
 }
 
+bool UsesFlattenedSrt(const Program& program) {
+	return std::ranges::any_of(program.blocks, [](const Block* block) {
+		return std::ranges::any_of(*block, [](const Inst& inst) {
+			return inst.GetOpcode() == ValueOpcode::ReadConst;
+		});
+	}) || std::ranges::any_of(program.info.images, [](const ImageResource& image) {
+		return image.indirect_search_iterations != 0u;
+	});
+}
+
 void AllocateBindings(Program& program, uint32_t push_data_start_dword) {
 	if (!program.shader_info_complete || program.binding_layout_complete) {
 		EXIT("shader binding layout failed: %s", !program.shader_info_complete
@@ -145,12 +155,7 @@ void AllocateBindings(Program& program, uint32_t push_data_start_dword) {
 		AddBinding(next, DescriptorBindingKind::BdaPagetable);
 		AddBinding(next, DescriptorBindingKind::FaultBuffer);
 	}
-	const bool uses_flattened_runtime =
-	    !program.srt_reads.empty() ||
-	    std::ranges::any_of(program.info.images, [](const ImageResource& image) {
-		    return image.indirect_search_iterations != 0u;
-	    });
-	if (uses_flattened_runtime) {
+	if (UsesFlattenedSrt(program)) {
 		AddBinding(next, DescriptorBindingKind::FlattenedSrt);
 	}
 

src/graphics/shader/recompiler/ir/passes/BindingLayout.h

@@ -9,6 +9,7 @@ void AllocateBindings(Program& program, uint32_t push_data_start_dword = 0);
 
 // Collect live direct buffer indices and report whether the shader accesses GDS.
 bool CollectMemoryResources(const Program& program, std::vector<uint32_t>& buffers);
+bool UsesFlattenedSrt(const Program& program);
 
 const DescriptorBinding* FindBinding(const BindingLayout& layout, DescriptorBindingKind kind);