[Bug 108487] Wayland compositors are unable to use hardware acceleration on i915

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108487

--- Comment #10 from Pekka Paalanen <ppaalanen at gmail.com> ---
(In reply to magiblot from comment #9)
> The workaround dismisses the error message but, unfortunately, doesn't
> enable hardware acceleration

Yes, the whole point of --use-pixman is to use Pixman software rendering which
will be faster than GL with a software renderer. If anything, it will disable
hardware acceleration for the compositor and apps.

It is used to get something on screen, when hardware acceleration doesn't work
for any reason.

Daniel's guess in comment #3 is still the best guess here.

One thing to test to confirm would be to hack Weston's build so that
HAVE_GBM_MODIFIERS will not get defined. If that works, then we know that using
gbm_surface_create_with_modifiers() does not work while gbm_surface_create()
works.

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