Ok, latest info that the problem was caused by the long-running Chrome browser. A reboot/restart fixed it.
I'm suspecting a memory fragmentation issue, but since Chrome opens a new process per tab it can't be the usual suspect (the emscripten heap), but probably something in the GPU process which caused the WebGL context creation to fail... Has anybody here experienced a problem like this? I'm not sure whether it's worth writing a Chrome ticket with the little info I have. -Floh. Am Sonntag, 24. August 2014 17:42:15 UTC+2 schrieb Floh: > > Ok thanks! I'll see if I can test a few more configs tomorrow at work. > > Cheers, > -Floh. > > Am Sonntag, 24. August 2014 17:29:39 UTC+2 schrieb jj: >> >> There are no known Emscripten-specific GL context creation issues that >> I'm aware of. Tested the Clear and Triangle samples on that site on the >> following two systems, and on those they both pass: >> >> Mac mini >> Late 2012 >> >> *Processor* 2.3 GHz Intel Core i7 >> >> *Memory* 4 GB 1600 MHz DDR3 >> >> *Graphics* Intel HD Graphics 4000 >> >> *Software* OS X 10.9.4 >> >> Chrome 36.0.1985.143 >> >> >> MacBook Pro >> >> Retina, 15-inch, Early 2013 >> >> *Processor* 2.7 GHz Intel Core i7 >> >> *Memory* 16 GB 1600 MHz DDR3 >> >> *Graphics* NVIDIA GeForce GT 650M 1024 MB >> >> *Software* OS X 10.8.5 >> >> Chrome 36.0.1985.143 >> >> >> >> 2014-08-24 17:46 GMT+03:00 Floh <[email protected]>: >> >>> Hi, >>> >>> I got a report from a user with OSX Mavericks and integrated Intel plus >>> dedicated NVIDIA GPUs that the WebGL context creation fails (at least in >>> Chrome, I don't have info about other browser): >>> >>> "Could not create canvas: Web page was not allowed to create a WebGL >>> context.,:(" >>> >>> Other WebGL demos run though, and use the NVIDIA GPU for rendering. Are >>> there any known issues in emscripten WebGL context setup code (I'm using >>> the new HTML5 setup functions) which would cause different behaviour from >>> "traditional" WebGL demos? >>> >>> If anybody has a Mac with such a config (Intel+NVIDIA GPU + Chrome) I >>> would be grateful for feedback whether these demos run: >>> >>> http://floooh.github.io/oryol/ >>> >>> Thanks! >>> -Floh. >>> >>> >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "emscripten-discuss" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
