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graphics: size compute LDS from shader state

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nmzik
2026-08-16 13:48:10 +02:00
parent 1375d650a7
commit 4e343408dc
8 changed files with 172 additions and 19 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterModule.cpp
+4 -1
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@@ -1,5 +1,7 @@
#include "graphics/shader/recompiler/backend/spirv/spirvEmitterInternal.h"
#include <algorithm>
namespace Libs::Graphics::ShaderRecompiler::Spirv::Emitter {
const IR::DescriptorBinding* DescriptorBinding(const EmitterState& state,
@@ -736,7 +738,8 @@ void EmitHeaderAndTypes(EmitterState& state) {
if (state.stage == ShaderType::Compute || state.needs_function_lds) {
const auto storage_class =
state.needs_function_lds ? StorageClassFunction : StorageClassWorkgroup;
const auto lds_size = ConstantU32(state, state.needs_function_lds ? 8192u : 1024u);
const auto lds_dwords = std::max(LdsDwordCount(state), 1u);
const auto lds_size = ConstantU32(state, lds_dwords);
state.builder.AddType({OpTypeArray, state.lds_array_type, state.uint_type, lds_size});
state.builder.AddType(
{OpTypePointer, state.ptr_workgroup_array, storage_class, state.lds_array_type});