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问题描述
我有一个由许多物体组成的场景.大多数对象是静态的，但有些对象是移动的.发生移动时，似乎必须重新绘制整个场景.我可以表达某种场景的合成，而只重绘场景的某些部分吗?
I have a scene composed of many objects. Most of the objects are static, but some objects move. When a move happens it seems like I have to redraw the whole scene. It is possible for me to express some kind of compositing of the scene and redraw only some of the components of the scene?
推荐答案
将静态零件渲染到FBO，根据需要将其渲染到帧缓冲区中，并在顶部渲染动态对象.
Render the static parts to a FBO, blit that as needed to the framebuffer, and render dynamic objects on top.
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