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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 --- - Test for GL_EXT_bgra in addition to GL_EXT_texture_format_BGRA8888"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74685">74685</a>
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</tr>
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<th>Assignee</th>
<td>cairo-bugs@cairographics.org
</td>
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<tr>
<th>Summary</th>
<td>Test for GL_EXT_bgra in addition to GL_EXT_texture_format_BGRA8888
</td>
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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>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Reporter</th>
<td>apuentes@igalia.com
</td>
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<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>gl backend
</td>
</tr>
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<th>Product</th>
<td>cairo
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=93623" name="attach_93623" title="Test for GL_EXT_bgra in addition to GL_EXT_texture_format_BGRA8888">attachment 93623</a> <a href="attachment.cgi?id=93623&action=edit" title="Test for GL_EXT_bgra in addition to GL_EXT_texture_format_BGRA8888">[details]</a></span>
Test for GL_EXT_bgra in addition to GL_EXT_texture_format_BGRA8888
Some drivers don't expose the OpenGL ES extension
GL_EXT_texture_format_BGRA8888, but its OpenGL superset GL_EXT_bgra.
The cairo-gl context initialization will fail for OpenGL ES if that is the
case, as cairo checks only for the existance of the
GL_EXT_texture_format_BGRA8888. The initialization fails even when the
functionality is present on the device.
The same issue was reported/fixed in webkit/chromium:
<a href="https://bugs.webkit.org/show_bug.cgi?id=71502">https://bugs.webkit.org/show_bug.cgi?id=71502</a></pre>
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