[Bug 80033] [sna] Occasional artifacts on window borders (theme dependent)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80033

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
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             Status|ASSIGNED                    |NEEDINFO

--- Comment #18 from Chris Wilson <chris at chris-wilson.co.uk> ---
One step forward, one step back. Replace one source of random uninitialised
data with a deterministic one instead!

Let's try:

commit e52f917a2370026073ed6851161393a69ee94abe
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Jun 18 10:18:26 2014 +0100

    sna: Use nxm tiled blits for small regions of large tiles

    If the region we are blitting is either narrow or short, we may be able
    to construct a tiling pattern out of a large pixmap.

    In the process, spot a regression due to

    commit 542aeca6e67fc64f9133ca3e27ac8eca28af6d25
    Author: Chris Wilson <chris at chris-wilson.co.uk>
    Date:   Tue Jun 17 12:26:30 2014 +0100

        sna: Tweak creation 8x8 tiled patterns

    which copied too much from the source line.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=79888
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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