/** Restores systems that need references to classes in the renderer module. */
void RestoreReferencesToRendererModuleClasses(
const TMap<UWorld*, bool>& WorldsToUpdate,
const TMap<FMaterialShaderMap*, TScopedPointer<TArray<uint8> > >& ShaderMapToSerializedShaderData,
const TScopedPointer<TArray<uint8> >& GlobalShaderData,
const TMap<FShaderType*, FString>& ShaderTypeNames,
const TMap<FVertexFactoryType*, FString>& VertexFactoryTypeNames)
{
FlushShaderFileCache();
// Initialize cached shader type data
InitializeShaderTypes();
IRendererModule& RendererModule = GetRendererModule();
FSceneViewStateReference::AllocateAll();
// Recreate all renderer scenes
for (TMap<UWorld*, bool>::TConstIterator It(WorldsToUpdate); It; ++It)
{
UWorld* World = It.Key();
RendererModule.AllocateScene(World, World->RequiresHitProxies(), It.Value(), World->FeatureLevel);
for (int32 LevelIndex = 0; LevelIndex < World->GetNumLevels(); LevelIndex++)
{
ULevel* Level = World->GetLevel(LevelIndex);
Level->InitializeRenderingResources();
}
}
// Restore FShaders from the serialized memory blobs
// Shader maps may still not be complete after this due to code changes picked up in the recompile
RestoreGlobalShaderMap(GRHIShaderPlatform_DEPRECATED, *GlobalShaderData);
UMaterial::RestoreMaterialShadersFromMemory(GRHIShaderPlatform_DEPRECATED, ShaderMapToSerializedShaderData);
FMaterialShaderMap::FixupShaderTypes(GRHIShaderPlatform_DEPRECATED, ShaderTypeNames, VertexFactoryTypeNames);
TArray<FShaderType*> OutdatedShaderTypes;
TArray<const FVertexFactoryType*> OutdatedFactoryTypes;
FShaderType::GetOutdatedTypes(OutdatedShaderTypes, OutdatedFactoryTypes);
// Recompile any missing shaders
UMaterialInterface::IterateOverActiveFeatureLevels([&](ERHIFeatureLevel::Type FeatureLevel)
{
auto ShaderPlatform = GShaderPlatformForFeatureLevel[FeatureLevel];
BeginRecompileGlobalShaders(OutdatedShaderTypes, ShaderPlatform);
UMaterial::UpdateMaterialShaders(OutdatedShaderTypes, OutdatedFactoryTypes, ShaderPlatform);
});
// Block on global shader jobs
FinishRecompileGlobalShaders();
}
