But an INVALID_OPERATION error will be latched so it does matter. If the program does not check and just keeps calling gl.texImage2D then the latched INVALID_OPERATION will likely cause a failure elsewhere in the application. So generating an error causes slightly more work for the application.On Sun, Oct 21, 2012 at 11:52 PM, Gregg Tavares (社用) <gman@google.com> wrote: ...... (If the app calls texImage2D all the time, then it doesn't matter whether WebGL generates INVALID_OPERATION or a 1x1 black texture. The app will never need to know whether the upload succeeded or failed, because failures will be transient, and the app will automatically recover from them when the next video starts playing. If texImage2D generates INVALID_OPERATION, the previous contents of the texture will be preserved.)
Regards
-Mark
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