最后，我使用FrameBufferObject(FBO)渲染屏幕外并使其绑定纹理两次变灰:

Finally I use a FrameBufferObject (FBO) to render offscreen and get its binding texture to blit twice:

• 渲染到视频表面
• 重新绘制到设备屏幕

您可以通过参考我的另一个问题使用找到有关此解决方案的更多详细信息FBO记录Unity游戏画面

You can find more detail about this solution by reference to my another question use FBO to record Unity gamescreen