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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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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 --- - glBlendFuncSeparatei (IrisPro with Mesa DRI / 3.0 Mesa 10.0.1)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76978">76978</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>glBlendFuncSeparatei (IrisPro with Mesa DRI / 3.0 Mesa 10.0.1)
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>bk@f-m.fm
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>10.0
</td>
</tr>
<tr>
<th>Component</th>
<td>Drivers/DRI/i965
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>Mesa reports availability of ARB_draw_buffers_blend but glBlendFuncSeparatei
fails with GL_INVALID_OPERATION.
HW is BrixPro with i7-4770R with SteamOS (Mesa DRI / 3.0 Mesa 10.0.1).
To reproduce bug:
git clone git://github.com/bkaradzic/bx.git
git clone git://github.com/bkaradzic/bgfx.git
cd bgfx
../bx/tools/linux/bin/premake4 --file=premake/premake4.lua --gcc=linux-gcc
gmake
make -C .build/projects/gmake-linux config=debug64 example-19-oit
cd examples/runtime
../../.build/linux64_gcc/bin/example-18-oitDebug
Switch to MRT option, and you will get (MESA_DEBUG=verbose):
"Mesa: User error: GL_INVALID_OPERATION in unsupported function called
(unsupported extension or deprecated function?)"</pre>
</div>
</p>
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