</p>
<p>
-Shaders can be dumped and replaced on runtime for debugging purposes. Mesa
-needs to be configured with '--with-sha1' to enable this functionality. This
+Shaders can be dumped and replaced on runtime for debugging purposes. This
feature is not currently supported by SCons build.
This is controlled via following environment variables:
</ul>
Note, path set must exist before running for dumping or replacing to work.
When both are set, these paths should be different so the dumped shaders do
-not clobber the replacement shaders.
+not clobber the replacement shaders. Also, the filenames of the replacement shaders
+should match the filenames of the corresponding dumped shaders.
</p>
<h2 id="support">GLSL Version</h2>