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<HTML>
<TITLE>Mesa Release Notes</TITLE>
<head><link rel="stylesheet" type="text/css" href="mesa.css"></head>
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<H1>OpenVG State Tracker</H1>
<p>
The current version of the OpenVG state tracker implements OpenVG 1.0.
</p>
<p>
More informations about OpenVG can be found at <a href="http://www.khronos.org/openvg/">http://www.khronos.org/openvg/</a> .
</p>
<p>
The OpenVG state tracker depends on the Gallium architecture and a working EGL implementation.
</p>
<h2>Building the library</h2>
<ol>
<li>Build Mesa3D with Gallium3D. Any build that builds Gallium3D libraries and EGL will suffice</li>
<li>cd src/gallium/state_trackers/vega; make</li>
<li>The last step will build libOpenVG library. You can add the libdir to LD_LIBRARY_PATH or install libOpenVG</li>
</ol>
<h3>Sample build</h3>
A sample build looks as follows:
<pre>
make linux-x86-64-debug
cd src/gallium/state_trackers/vega
make
cd ../../../..
export LD_LIBRARY_PATH=$PWD/lib64
export EGL_DRIVER="egl_softpipe"
</pre>
<h2>Notes</h2>
<ul>
<li>EGL_DRIVER environmental variable: forces usage of a specific EGL driver. Unless you force egl_softpipe the implementation will look for a DRI hardware accelerate driver and unless you have a Gallium driver that supports it, you'll see crashes</li>
</ul>
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