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OpenGL Mirror reflection on iPad

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this is my first question on this board, so please bear with me if it's not in the right place smile.png It's about efficient iOS OpenGL ES programming.

I have a quick question about rendering mirror effects. I know about the standard way (render scene and stencil for reflectors, render again with inverted transform), e.g. also discussed in this older thread


I was just wondering whether this is still state-of-the-art for planar reflectors, and whether people consider this a good fit for the specifics of the iPad GPU?

You can obviously accelerate this by tighter frustum culling, but are there any other tricks you are aware of?

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