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docs: document new MESA_GLX_FORCE_DIRECT env var for the Xlib driver

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Brian Paul 2009-02-03 10:13:22 -07:00
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docs/xlibdriver.html
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@ -169,6 +169,20 @@ the Gamma FAQ</a>
</p>
<H2>Direct Rendering Flag</H2>
<p>
Some applications won't run with indirect rendering contexts (which is
what the Xlib driver supports).
To force the glXIsDirect() query to return True, set the MESA_GLX_FORCE_DIRECT
environment variable.
For example:
</p>
<pre>
$ export MESA_GLX_FORCE_DIRECT=1
</pre>
<H2>Overlay Planes</H2>
<p>
Hardware overlay planes are supported by the Xlib driver. To
@ -268,6 +282,8 @@ This extension was added in Mesa 2.6
MESA_BACK_BUFFER - specifies how to implement the back color buffer (X only)
MESA_PRIVATE_CMAP - force aux/tk libraries to use private colormaps (X only)
MESA_GAMMA - gamma correction coefficients (X only)
MESA_GLX_FORCE_DIRECT - report that the driver is direct rendering, even
though it's not.
</pre>