On Tue, 28 Feb 2012 09:08:39 -0800 (PST), Benoit Jacob <bja...@mozilla.com> wrote: > Hi List, > > At Mozilla we've been wondering if we could get a good software fallback for > users who can't get hardware-accelerated WebGL. Mesa llvmpipe seems like the > best open source OpenGL renderer, right? At least, it performed superbly in > our quick tests. > > Questions: > > 1. Is it possible for the application to choose between Mesa renderers? > Ideally I would like to be able to evaluate the driver blacklist, and > depending on that, use either the default renderer or Mesa llvmpipe. Is that > possible? > > 2. Related question: are you planning to update OSMesa, base it on > llvmpipe? Last I checked, OSMesa was based on swrast from an old Mesa > version. An updated OSMesa would offer a great solution to question > 1.
I'd rather see us create a software-only EGL platform. It seems like it ought to be easier to maintain than the special OSMesa system that developers other than Brian Paul break, and provides a better-known API for interacting with the window system. That also solves 1) by giving you an option at context setup, I think.
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