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document MESA_TEX/TNL_PROG env vars

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Brian Paul 2006-06-01 20:22:30 +00:00
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docs/envvars.html
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@ -20,6 +20,11 @@ Mesa supports the following environment variables:
If the value of MESA_DEBUG is "FP" floating point arithmetic errors will
generate exceptions.
<li>MESA_NO_DITHER - if set, disables dithering, overriding glEnable(GL_DITHER)
<li>MESA_TEX_PROG - if set, implement conventional texture env modes with
fragment programs (intended for developers only)
<li>MESA_TNL_PROG - if set, implement conventional vertex transformation
operations with vertex programs (intended for developers only).
Setting this variable automatically sets the MESA_TEX_PROG variable as well.
</ul>
<p>