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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - GLES 3.x context: GL_INVALID_OPERATION in glGenerateMipmap(invalid internal format GL_RED)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107989">107989</a>
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<th>Summary</th>
<td>GLES 3.x context: GL_INVALID_OPERATION in glGenerateMipmap(invalid internal format GL_RED)
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>18.2
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Mesa core
</td>
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<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>0x416b617269@gmail.com
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<th>QA Contact</th>
<td>mesa-dev@lists.freedesktop.org
</td>
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<p>
<div>
<pre>Trying to call glGenerateMipmap on a texture with the internal format of GL_RED
in an OpenGL ES 3.x context produces a GL_INVALID_OPERATION error. Explicitly
sized formats such as GL_R8 work, and so do other formats with no size
specified, such as GL_RGBA. Core context is not affected. Tested with the
radeonsi and llvmpipe drivers.</pre>
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