Mesa (master): docs: document new MESA_GLX_FORCE_DIRECT env var for the Xlib driver
Brian Paul
brianp at kemper.freedesktop.org
Tue Feb 3 22:37:53 UTC 2009
Module: Mesa
Branch: master
Commit: 2f51be75c55f69dc3e09036d6fd12f808f5a5028
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2f51be75c55f69dc3e09036d6fd12f808f5a5028
Author: Brian Paul <brianp at vmware.com>
Date: Tue Feb 3 10:13:22 2009 -0700
docs: document new MESA_GLX_FORCE_DIRECT env var for the Xlib driver
---
docs/xlibdriver.html | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/docs/xlibdriver.html b/docs/xlibdriver.html
index d95f4d5..029e2b1 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>
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