void FShaderResource::Release()
{
// We need to lock the resource map so that no resource gets acquired by
// FindShaderResourceById while we (potentially) remove this resource
FScopeLock ShaderResourceIdMapLock(&ShaderResourceIdMapCritical);
check(NumRefs != 0);
if(--NumRefs == 0)
{
ShaderResourceIdMap.Remove(GetId());
// Send a release message to the rendering thread when the shader loses its last reference.
BeginReleaseResource(this);
Canary = FShader::ShaderMagic_CleaningUp;
BeginCleanup(this);
}
}
FShaderResource::FShaderResource(const FShaderCompilerOutput& Output, FShaderType* InSpecificType)
: SpecificType(InSpecificType)
, NumInstructions(Output.NumInstructions)
, NumTextureSamplers(Output.NumTextureSamplers)
, NumRefs(0)
, Canary(FShader::ShaderMagic_Initialized)
{
Target = Output.Target;
Code = Output.Code;
check(Code.Num() > 0);
OutputHash = Output.OutputHash;
checkSlow(OutputHash != FSHAHash());
{
FScopeLock ShaderResourceIdMapLock(&ShaderResourceIdMapCritical);
ShaderResourceIdMap.Add(GetId(), this);
}
INC_DWORD_STAT_BY_FName(GetMemoryStatType((EShaderFrequency)Target.Frequency).GetName(), Code.Num());
INC_DWORD_STAT_BY(STAT_Shaders_ShaderResourceMemory, GetSizeBytes());
INC_DWORD_STAT_BY(STAT_Shaders_NumShaderResourcesLoaded, 1);
}
void FShaderResource::GetAllShaderResourceId(TArray<FShaderResourceId>& Ids)
{
FScopeLock ShaderResourceIdMapLock(&ShaderResourceIdMapCritical);
ShaderResourceIdMap.GetKeys(Ids);
}
TRefCountPtr<FShaderResource> FShaderResource::FindShaderResourceById(const FShaderResourceId& Id)
{
FScopeLock ShaderResourceIdMapLock(&ShaderResourceIdMapCritical);
TRefCountPtr<FShaderResource> Result = ShaderResourceIdMap.FindRef(Id);
return Result;
}
void FShaderResource::Register()
{
FScopeLock ShaderResourceIdMapLock(&ShaderResourceIdMapCritical);
ShaderResourceIdMap.Add(GetId(), this);
}
