How to detect maximum texture resolution on iPhone?

Question

I\'m making an universal openGL based app that should work on ipod/iphone 2G/3G/3GS/4 and iPad.

To deliver the best possible graphics I need to switch between diffe

Answer 1

Yes, use glGetIntegerv like:

int maxTextureSize;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);

Then you can use at most a maxTextureSize x maxTextureSize texture.