g lists and asking questions (and searching
the archives) is a good way to get information.
</p>


<h2>4.3 Why isn't GL_EXT_texture_compression_s3tc implemented in Mesa?</h2>
<p>
The <a href="http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt">specification for the extension</a>
indicates that there are intellectual property (IP) and/or patent issues
to be dealt with.
</p>
<p>We've been unsuccessful in getting a response from S3 (or whoever owns
the IP nowadays) to indicate whe