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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - SNA, regression: chromium UI sometimes doesn't redraw"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79888#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - SNA, regression: chromium UI sometimes doesn't redraw"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79888">bug 79888</a>
from <span class="vcard"><a class="email" href="mailto:mezin.alexander@gmail.com" title="Alexander Mezin <mezin.alexander@gmail.com>"> <span class="fn">Alexander Mezin</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=79888#c10">comment #10</a>)
<span class="quote">> Sigh.
>
> Please try
>
>
> diff --git a/src/sna/sna_dri2.c b/src/sna/sna_dri2.c
> index efc790f..3d3c50d 100644
> --- a/src/sna/sna_dri2.c
> +++ b/src/sna/sna_dri2.c
> @@ -1485,6 +1485,8 @@ can_xchg(struct sna * sna,
> WindowPtr win = (WindowPtr)draw;
> PixmapPtr pixmap;
>
> + return false;
> +
> if (draw->type == DRAWABLE_PIXMAP)
> return false;
>
> to disable xchg. If that is happening KDE is not unredirecting fullscreen
> windows and there is a race between the compositor reading from a texture
> and the GL app rendering it their fbo.</span >
Unredirection is configurable, and usually I had that option enabled, but...
<a href="https://git.reviewboard.kde.org/r/111476/">https://git.reviewboard.kde.org/r/111476/</a>
Disabling xchg fixes everything. But Steam isn't fullscreen.
I'll test that xorg patch soon.</pre>
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