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  <h1>The Mesa 3D Graphics Library</h1>
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<h1>Mesa 9.1 Release Notes / February 22, 2013</h1>

<p>
Mesa 9.1 is a new development release.
People who are concerned with stability and reliability should stick
with a previous release or wait for Mesa 9.1.1.
</p>
<p>
Mesa 9.1 implements the OpenGL 3.1 API, but the version reported by
glGetString(GL_VERSION) or glGetIntegerv(GL_MAJOR_VERSION) /
glGetIntegerv(GL_MINOR_VERSION) depends on the particular driver being used.
Some drivers don't support all the features required in OpenGL 3.1.  OpenGL
3.1 is <strong>only</strong> available if requested at context creation
because GL_ARB_compatibility is not supported.
</p>


<h2>MD5 checksums</h2>
<pre>
86d40f3056f89949368764bf84aff55e  MesaLib-9.1.tar.gz
d3891e02215422e120271d976ff1947e  MesaLib-9.1.tar.bz2
01645f28f53351c23b0beb6c688911d8  MesaLib-9.1.zip
</pre>


<h2>New features</h2>

<p>
Note: some of the new features are only available with certain drivers.
</p>

<ul>
<li>GL_ANGLE_texture_compression_dxt3</li>
<li>GL_ANGLE_texture_compression_dxt5</li>
<li>GL_ARB_ES3_compatibility</li>
<li>GL_ARB_internalformat_query</li>
<li>GL_ARB_map_buffer_alignment</li>
<li>GL_ARB_shading_language_packing</li>
<li>GL_ARB_texture_buffer_object_rgb32</li>
<li>GL_ARB_texture_cube_map_array</li>
<li>GL_EXT_color_buffer_float</li>
<li>GL_OES_depth_texture_cube_map</li>
<li>OpenGL 3.1 core profile support on Radeon HD2000 up to HD6000 series </li>
<li>Multisample anti-aliasing support on Radeon X1000 series</li>
<li>OpenGL ES 3.0 support on Intel HD Graphics 2000, 2500, 3000, and 4000</li>
</ul>


<h2>Bug fixes</h2>

<p>TBD -- This list is likely incomplete.</p>


<h2>Changes</h2>

<ul>
<li>Removed VAAPI state tracker (unmaintained and broken)</li>
<li>Removed i965's broken hardware implementation of GL_NV_vertex_program</li>
<li>Removed swrast support for GL_NV_vertex_program</li>
<li>Removed swrast support for GL_NV_fragment_program</li>
<li>Removed OpenVMS support (unmaintained and broken)</li>
<li>Removed makedepend build dependency</li>
</ul>

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