protected static void BeginContextRendering(ScriptableRenderContext context, List <Camera> cameras)
 {
     RenderPipelineManager.BeginContextRendering(context, cameras);
 }
 protected static void BeginFrameRendering(ScriptableRenderContext context, Camera[] cameras)
 {
     RenderPipelineManager.BeginContextRendering(context, new List <Camera>(cameras));
 }