• 创建并保存Asset通过C++

ENQUEUE压指令到渲染线程获取贴图数据

 void GetTexturePixels(FTexture2DRHIRef Texture, TArray<FColor>& OutPixels)
 {
     struct FReadSurfaceContext
     {
         FTexture2DRHIRef Texture;
         TArray<FColor>* OutData;
         FIntRect Rect;
         FReadSurfaceDataFlags Flags;
     };

     OutPixels.Reset();
     FReadSurfaceContext ReadSurfaceContext =
     {
         Texture,
         &OutPixels,
         FIntRect(0, 0, Texture->GetSizeXY().X, Texture->GetSizeXY().Y),
         FReadSurfaceDataFlags(RCM_UNorm, CubeFace_MAX)
     };

     ENQUEUE_UNIQUE_RENDER_COMMAND_ONEPARAMETER(
         ReadSurfaceCommand,
         FReadSurfaceContext, Context, ReadSurfaceContext,
         {
             RHICmdList.ReadSurfaceData(
                 Context.Texture,
                 Context.Rect,
                 *Context.OutData,
                 Context.Flags
             );
         });
     FlushRenderingCommands();
 }