[Bug 96783] Intel 945 GM is very slow on rendering with 4.5 kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96783

--- Comment #6 from Michal Nowak <mnowak at startmail.com> ---
(In reply to Chris Wilson from comment #5)
> Adding to xorg.conf
> 
> Section "Device"
>   Identifier "igfx"
>   Option "DRI" "2"
> EndSection
> 
> should fix the gnome-shell issue (due to fedora's settings). Looks like mesa
> + dri3 is inoperable on 945gm.
> 
> Similarly look at disabling "hardware acceleration" in firefox? Not sure
> what firefox is doing with youtube, but if it is suffering from GL swrast
> that will help.

I noticed that 720p videos run quite poorly even on F22 but your config snippet
helps with greatly with Totem. With DRI3 (the F24 default) glamor can't be
enabled and gstreamer renders via slow swrast.

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