Meh, Firefox on Windows doesn't have ANGLE_instanced_arrays yet, there's a ticket here: https://bugzilla.mozilla.org/show_bug.cgi?id=843673
My web demos are currently broken on FF Windows because I don't properly check for the extension, will fix ASAP. Am Donnerstag, 10. Juli 2014 00:14:19 UTC+2 schrieb Floh: > > In the meantime, here are demos using the desktop GL wrapper, and closure > turned off (only tested on OSX with Intel HD4000 so far): > > emscripten: http://floooh.github.io/oryol/Instancing.html > pnacl: http://floooh.github.io/oryol/Instancing_pnacl.html > > The instance data buffer is updated once per frame using GL_STREAM_DRAW > and buffer orphaning. It looks like this update is slower on Firefox OSX > compared to Chrome, but it might be that Chrome only looks faster because > it sends all GL commands to another process and I'm only measuring the > send, not sure about that. > > And here the same without instancing (one uniform update and one draw per > cube, and only 1 cube emitted per frame instead of 10): > > emscripten: http://floooh.github.io/oryol/DrawCallPerf.html > pnacl: http://floooh.github.io/oryol/DrawCallPerf_pnacl.html > > Am Mittwoch, 9. Juli 2014 22:55:47 UTC+2 schrieb Floh: >> >> Hi, >> >> just noticed this and wrote a ticket: >> https://github.com/kripken/emscripten/issues/2510 >> >> Since most (all?) browser have now implemented this extension it would be >> nice to have this also in the GLES2 wrapper (it seems to be implemented in >> the desktop GL wrapper). >> >> Results in PNaCl looks quite promising (WebGL should be similar): I can >> go up to >65k instanced draws instead of ~6k non-instanced draws before >> dropping below 60fps. >> >> Even then it looks like the dynamic vertex buffer update for the instance >> data is the problem (I'm using buffer orphaning, but the transferred data >> becomes quite big, 16 bytes per instance, so at 65k draws this would be >> >1MByte dynamic vertex data transferred per frame), so the numbers would >> very likely be higher if the instance data is static. >> >> Cheers! >> -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.
