Ubuntu 13.10 + Firefox 26 display problems

    Hi,

    I've reproduced display problems on firefox 26 on ubuntu 13.10.

    Webgl + Css3d : mirror display into the cube for images hotspots and video hotspots (and shaking on rotation).
    Css3d mode : tiles are wrongly displayed.

    Thanks,
    Benjamin

    PS : I'm sorry, this should be into HTML5 player forum.

    Hi,

    what you describe is the buggy 'CSS3D Software Rendering' from Firefox.

    When Firefox decides that the graphics hardware or the graphics drives are not good/stable enough for hardware accelerated CSS3D rendering, it draws CSS-3D-transformed elements by itself by software-graphics-rendering. But this drawing is extremely buggy in Firefox as you can see. Only Mozilla itself could fix that.

    A reliable way to detect if Firefox is rendering with hardware or software - to be able to prefer Flash in this case or show an error message when there is no Flash - doesn't seem to exists.

    There is a way to force Firefox to use the hardware graphics for testing:

    1. enter 'about:config' in the Firefox url bar
    2. select 'layers.acceleration.force-enabled' and set it to 'true'
    3. restart Firefox


    More information here:
    https://wiki.mozilla.org/Blocklisting/B…raphics_Drivers

    On Linux the hardware acceleration always seems to be disabled on Linux at the moment:
    https://wiki.mozilla.org/Blocklisting/B…_Drivers#On_X11
    https://bugzilla.mozilla.org/show_bug.cgi?id=594876

    Best regards,
    Klaus

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