On Tue, Jul 16, 2013 at 2:42 PM, Adam Jackson <a...@redhat.com> wrote: > On Tue, 2013-07-16 at 13:00 +0200, drago01 wrote: > >> > It is getting a bit off the topic, but this it isn't really a >> problem >> > with mesa. But rather that we have non-gallium closed src drivers >> > from the GPU vendors in the ARM space, which only support GLES. And >> > most/all of the desktop stuff packaged in fedora (in particular, >> > gnome-shell) is requiring GL. >> >> This is incorrect. It uses cogl which has a gles renderer wich is >> supposed Tod work. If it does not that is just a bug that we should >> fix. > > Eh. Kind of. Yes, cogl has a gles backend, yes it should work, but X > itself also has a dependency on having GL below it. GLX 1.4 exposes > accumulation buffers, which exist in GL but not in GLES; not that > anything uses accum buffers, but their non-existence would technically > be a conformance failure for GLX. GLES doesn't have glBegin, so > xserver's implementation of glBegin, if done atop GLES, would need to > emulate it, and currently does not. And so on. > > More immediately, xserver's half of the GLX implementation requires not > just GL, but an actual DRI driver.
Well we have an EGL backend ... I never tested it but shouldn't EGL+GLES work on X already? -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel
