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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - push-group-color.xlib-fallback.rgb24 output is incomplete"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83933">83933</a>
</td>
</tr>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>push-group-color.xlib-fallback.rgb24 output is incomplete
</td>
</tr>
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<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
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<th>Reporter</th>
<td>sixtysix@inwind.it
</td>
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<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>xlib backend
</td>
</tr>
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<th>Product</th>
<td>cairo
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=106374" name="attach_106374" title="quick hack">attachment 106374</a> <a href="attachment.cgi?id=106374&action=edit" title="quick hack">[details]</a></span>
quick hack
It seems that the xlib surface drawable containing the group rendering
has not yet received the content from the shared memory when its content
is copied (XCopyArea) to the destination. The attached quick hack calls
_cairo_xlib_surface_put_shm and it fixes
pthread-same-text and pthread-similar .xlib-fallback.rgb24
BTW at src/cairo-xlib-core-compositor.c line 452 :
it says that when the destination is a Window the GC should be changed
to include ClipByChildren, but few lines below (line 498) ClipByChildren
is set when source does not owns a Pixmap, and it is set after XCopyArea
has been called.</pre>
</div>
</p>
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