[Public WebGL] How to check for WebGL support
Thu May 19 12:10:12 PDT 2011
thank you, that's the kind of thing I am thinking about.
On Thu, May 19, 2011 at 12:04 PM, Benoit Jacob <[email protected]> wrote:
> In this respect, the only thing I'm really concerned about is the apps that
> want to fall back to Canvas 2D if WebGL is not available (Angry Birds,
> Three.js, etc).
> If doing 2D with a software OpenGL renderer is going to be slower than
> using Canvas2D (because, say, Canvas2D implements more stuff in C++) then
> it's legitimate to want to know and prefer Canvas 2D.
> So I know suspect some browsers are planning to fallback to software
> rendering if a user's card is blacklisted.
> In that case you'll almost never fail and isWebGLAvailable will be useless.
> I'm sure some will be upset that software rendering is slow and they'd like
> to know if they are going
> to get software rendering beforehand but in reality lots of GPUs are slow,
> some are even slower than
> a good software renderer so knowing that you have hardware or software is
> not going to help you know
> if your app will run reasonably.
> The only way to know is to try it.
Tony Parisi [email protected]
CTO at Large 415.902.8002
Follow me on Twitter! http://twitter.com/auradeluxe
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