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authorBrian Paul <[email protected]>2009-02-03 15:39:13 -0700
committerBrian Paul <[email protected]>2009-02-03 15:39:13 -0700
commit88c97a266296ba93d2dc45ac2eb79a1120861477 (patch)
tree467784c4bd41126d862da941facbf7e6309e4380 /docs
parentce9c69ddbc639c2f7c436a47d2b1ea9d2da13004 (diff)
docs: document new MESA_GLX_FORCE_DIRECT env var for the Xlib driver
(cherry picked from master, commit 2f51be75c55f69dc3e09036d6fd12f808f5a5028)
Diffstat (limited to 'docs')
-rw-r--r--docs/xlibdriver.html16
1 files changed, 16 insertions, 0 deletions
diff --git a/docs/xlibdriver.html b/docs/xlibdriver.html
index d95f4d579c6..029e2b1514e 100644
--- a/docs/xlibdriver.html
+++ b/docs/xlibdriver.html
@@ -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>