Sounds interesting. I'm not aware of anyone working on that, but this sounds like a useful feature to me - maybe you want to try to implement it?
On Thu, Jan 30, 2020 at 5:59 PM raytrace <[email protected]> wrote: > Exactly. I would like to run emscripten wasm in a worker with webgl2 and a > offscreen canvas. Currently proxy-to-worker (webgl1 only) doesn't support > offscreen canvas. > > On Friday, 31 January 2020 01:40:46 UTC+8, Alon Zakai wrote: >> >> I believe that's not supported currently. I guess the use case is the >> emscripten program runs in a worker, and you have JS on the main thread >> that sends it the context, which it needs to render to as an >> OffscreeCanvas? That does sound potentially useful. >> >> On Wed, Jan 29, 2020 at 4:13 AM raytrace <[email protected]> wrote: >> >>> from setting.js of emscripten: >>> https://github.com/emscripten-core/emscripten/blob/028f73723214eff982aac2c919ce7b5ed826452f/src/settings.js >>> >>> *// If set to 1, enables support for transferring canvases to pthreads >>> and* >>> *// creating WebGL contexts in them, as well as explicit swap control >>> for GL* >>> *// contexts. This needs browser support for the OffscreenCanvas >>> specification.* >>> *var OFFSCREENCANVAS_SUPPORT = 0;* >>> >>> It sounds *OFFSCREENCANVAS_SUPPORT *only works with pthread *enabled*. >>> is it possible to enable it without pthread on web worker using webgl2 >>> rendering? >>> >>> >>> Thanks, >>> >>> >>> >>> -- >>> 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]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/emscripten-discuss/f5cb1e0e-aa27-48cd-a242-423f41251503%40googlegroups.com >>> <https://groups.google.com/d/msgid/emscripten-discuss/f5cb1e0e-aa27-48cd-a242-423f41251503%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > 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]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/a329887b-f1ad-4313-993f-c4b3278def84%40googlegroups.com > <https://groups.google.com/d/msgid/emscripten-discuss/a329887b-f1ad-4313-993f-c4b3278def84%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/emscripten-discuss/CAEX4NpREggzxELaws3_mVxoZ-%3Dqjm_cLWurHZaUoB7icOcyCHA%40mail.gmail.com.
