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More ways of detecting graphics hardware?

Subject: More ways of detecting graphics hardware?
From: Dan Wood <email@hidden>
Date: Thu, 1 Dec 2005 11:59:02 -0800
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We're using this method to determine if Quartz Extreme is supported, so we know whether to do certain kinds of animation:

CGDisplayUsesOpenGLAcceleration(kCGDirectMainDisplay)

However, this doesn't seem enough. There must be some other test that Quartz Composer is using, that produces this warning, for instancde on a machine with nVidia GeForce4 MX w/ 64 MB VRAM.

Unsupported Configuration -- Patches in bulleted categories benefit from hardware accelleration when the video card supports vertex and fragment shaders. Your card doesn't have this support, so you may want to avoid using patches in these categories.

Any hints on how to detect this, so I'll know whether to throttle back some of our Core Image / Quartz Composer effects?

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