On Wed, Jun 19, 2013 at 2:20 PM, Brandon Benvie <[email protected]> wrote: > On 6/19/2013 2:05 PM, James Robinson wrote: >> I'm also failing to see the utility of the supportsContext() call. It's >> impossible for a browser to promise that supportsContext('webgl') implies >> that getContext('webgl') will succeed without doing all of the expensive >> work, so any correctly authored page will have to handle a >> getContext('webgl') failure anyway. > > Given this, it would seem supportsContext is completely useless. The whole > purpose of a feature detection check is to detect if a feature actually > works or not. Accuracy is more important than cost.
Hmm, I guess I agree. That sucks, but you're right - it's much more important that you *actually* be able to generate a context when the feature-detect says you can. ~TJ
