Mirror reflection on iPad

Started by subsym, Apr 24 2012 12:33 AM

OpenGL ES reflections opengl es ios

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#1 subsym Members - Reputation: 101

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Posted 24 April 2012 - 12:33 AM

Hi,

this is my first question on this board, so please bear with me if it's not in the right place Posted Image

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

http://www.gamedev.net/topic/377187-mirror-reflection-effect/

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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