該宏非常重要， 其作用是： 創(chuàng)建一個(gè)渲染命令任務(wù)，并將該任務(wù)壓入渲染隊(duì)列，待渲染線程執(zhí)行. 主要用于多線程渲染！

????#define ENQUEUE_UNIQUE_RENDER_COMMAND_ONEPARAMETER(TypeName,ParamType1,ParamName1,ParamValue1,Code)class EURCMacro_TypeName : public FRenderCommand{public:EURCMacro_TypeName(TCallTraits<ParamType1>::ParamType InParamName1):ParamName1(InParamName1){}void DoTask(ENamedThreads::Type CurrentThread, const FGraphEventRef& MyCompletionGraphEvent){FRHICommandListImmediate& RHICmdList = GetImmediateCommandList_ForRenderCommand();Code;}FORCEINLINE TStatId GetStatId() const{RETURN_QUICK_DECLARE_CYCLE_STAT(TypeName, STATGROUP_RenderThreadCommands);}private:ParamType1 ParamName1;};{LogRenderCommand(TypeName);if(ShouldExecuteOnRenderThread()){CheckNotBlockedOnRenderThread();TGraphTask<EURCMacro_TypeName>::CreateTask().ConstructAndDispatchWhenReady(ParamValue1);}else{EURCMacro_TypeName TempCommand(ParamValue1);FScopeCycleCounter EURCMacro_Scope(TempCommand.GetStatId());TempCommand.DoTask(ENamedThreads::GameThread, FGraphEventRef() );}}

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