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<th>Priority</th>
<td>medium
</td>
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - x11-backend with pixman renderer does not repaint on Expose"
href="https://bugs.freedesktop.org/show_bug.cgi?id=72351">72351</a>
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<th>Assignee</th>
<td>wayland-bugs@lists.freedesktop.org
</td>
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<th>Summary</th>
<td>x11-backend with pixman renderer does not repaint on Expose
</td>
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<th>Severity</th>
<td>minor
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>OS</th>
<td>All
</td>
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<th>Reporter</th>
<td>ppaalanen@gmail.com
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Component</th>
<td>weston
</td>
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<th>Product</th>
<td>Wayland
</td>
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<pre>I'm running X without a compositing manager. When I run Weston's x11-backend
with the pixman renderer, the weston window does not repaint on Expose events.
For example, visit a different virtual desktop and return, and Weston's window
contains garbage. Forcing Weston to repaint by other means, like moving a
window inside weston, fixes the damage.
This is Daniel's analysis:
- the x11/pixman thing only happens if you aren't also using an x11 compositing
manager
- and it's not handling the Expose events, needs to force a redraw when that
happens; atm it does queue an output repaint, but with an empty region, so
nothing actually gets re-rendered</pre>
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