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iphoneopengl-eseaglviewcadisplaylink

Force redraw with CADisplayLink

I'm currently using CADisplayLink to show an OpenGL animation which works great. Sometimes, however a parameter changes and I need to redraw the view immediately and can't wait until the next frame is requested by CADisplayLink. If I don't do that, I get one frame wrong which looks really bad in my case.

So, how can I force a redraw of an EAGLView without interfering with the CADisplayLink stuff?

Solution

  • If your CADisplayLink is calling method drawFrame, for example, then just call drawFrame yourself when you need to. No reason you need to wait for CADisplayLink if you don't want to.