[xorg-doc - Cygwin XOrg documentation] branch master, updated. 4610bf90ada83927b6f5f20f257383dfb42d4d1a

[jturney@sourceware.org]

https://sourceware.org/git/gitweb.cgi?p=cygwin-apps/xorg-doc.git;h=4610bf90ada83927b6f5f20f257383dfb42d4d1a

commit 4610bf90ada83927b6f5f20f257383dfb42d4d1a
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Mon Feb 20 15:11:19 2017 +0000

    Update OpenGL documentation
    
    Windows-DRI is now the default for local clients.

https://sourceware.org/git/gitweb.cgi?p=cygwin-apps/xorg-doc.git;h=8933a3f3bc372675c13d2cfb34251f4dae2e7dd7

commit 8933a3f3bc372675c13d2cfb34251f4dae2e7dd7
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Thu Nov 17 16:17:38 2016 +0000

    Update build prerequisites


Diff:
---
 cg/programming-prerequisites.xml |    3 +-
 ug/using.xml                     |   40 ++++++++++++-------------------------
 2 files changed, 15 insertions(+), 28 deletions(-)

diff --git a/cg/programming-prerequisites.xml b/cg/programming-prerequisites.xml
index 970ef9e..c69037e 100644
--- a/cg/programming-prerequisites.xml
+++ b/cg/programming-prerequisites.xml
@@ -84,7 +84,7 @@ libXau-devel,
 libXaw-devel,
 libXdmcp-devel,
 libXext-devel,
-libXfont-devel,
+libXfont2-devel,
 libXi-devel,
 libXinerama-devel,
 libXmu-devel,
@@ -99,6 +99,7 @@ libxcb-render-devel,
 libxcb-render-util-devel,
 libxcb-shape-devel,
 libxcb-util-devel,
+libxcb-xkb-devel,
 libxkbfile-devel,
 zlib
 </para>
diff --git a/ug/using.xml b/ug/using.xml
index 357534c..f507aa0 100644
--- a/ug/using.xml
+++ b/ug/using.xml
@@ -886,15 +886,7 @@ parameter to specify the local IP address to be used.
 <sect1 id="using-glx">
 <title>OpenGL (GLX)</title>
 
-<note>
 <para>
-Hardware-accelerated OpenGL is still under active development and should be considered
-beta quality, but should be working well enough to be useful.  Please report
-problems with specific OpenGL applications to the cygwin mailing list.
-</para>
-</note>
-
- <para>
 The &project; X Server supports both software OpenGL rendering (using the mesa
 software renderer), and hardware accelerated OpenGL rendering (using the native
 Windows OpenGL (WGL) interface).
@@ -934,7 +926,7 @@ The <option>+iglx</option> option is required to allow them.
             software rendering
             <footnote id="footnote-software-rendering" label="a">
               <para>
-                The software renderer used (e.g. llvmpipe, softpipe) can be
+                The software renderer used (e.g. llvmpipe, softpipe, swr) can be
                 selected using the GALLIUM_DRIVER environment variable.
               </para>
             </footnote>
@@ -981,23 +973,11 @@ The <option>+iglx</option> option is required to allow them.
           </para>
         </entry>
         <entry>
+          <command>export LIBGL_ALWAYS_SOFTWARE=1</command>
         </entry>
         <entry>
           <para>
-            start server with <parameter>-wgl</parameter> option
-          </para>
-          <para>
-            <command>export LIBGL_USE_WGL=1</command>
-            <footnote id="footnote-direct-wgl" label="b">
-              <para>
-                Since direct accelerated rendering is currently experimental,
-                the LIBGL_USE_WGL environment variable is required to enable it,
-                but that will be removed when the feature is mature, at which
-                point it will be the default and <command>export
-                LIBGL_ALWAYS_SOFTWARE=1</command> will be required to force
-                software rendering.
-              </para>
-            </footnote>
+            start server with <parameter>-wgl</parameter> option (default)
           </para>
           <para>
             (local clients only)
@@ -1014,13 +994,12 @@ Currently the default configurations are:
 
 <listitem>
 <para>
-For local clients the default is direct, software rendering.
+For local clients the default is direct, hardware-accelerated rendering.
 </para>
 
 <para>
-To use the experimental direct, hardware-accelerated rendering, you must do
-<command>export LIBGL_USE_WGL=1</command> before starting the client
-application.
+To use software rendering, you must do <command>export
+LIBGL_ALWAYS_SOFTWARE=1</command> before starting the client application.
 </para>
 </listitem>
 
@@ -1057,6 +1036,13 @@ Please ensure you are using the latest display drivers for your graphics
 hardware before reporting any visual issues with WGL.
 </para>
 
+<note>
+<para>
+Please report problems with specific OpenGL applications to the cygwin mailing
+list.
+</para>
+</note>
+
 <para>
 Known issues:
 <itemizedlist>