[gnome-session] tools: Do not consider Gallium's softpipe and llvmpipe as accelerated

[Vincent Untz <vuntz src gnome org>]

commit 2bd1975803f1d7e03a7f98881e8332a2330c4146
Author: Vincent Untz <vuntz gnome org>
Date:   Fri Jan 14 08:44:52 2011 +0100

    tools: Do not consider Gallium's softpipe and llvmpipe as accelerated
    
    Those are software renderers too. It might be that llvmpipe gets good
    enough in the future, but it's not the case at the moment.
    
    Based on patch from Matthias Clasen <mclasen redhat com>.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=639490

 tools/gnome-session-is-accelerated.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/tools/gnome-session-is-accelerated.c b/tools/gnome-session-is-accelerated.c
index 6b8b1a4..0729c14 100644
--- a/tools/gnome-session-is-accelerated.c
+++ b/tools/gnome-session-is-accelerated.c
@@ -144,8 +144,11 @@ _has_hardware_gl (Display *display)
 
         renderer = (const char *) glGetString (GL_RENDERER);
         /* The current Mesa software GL renderer string is
-         * "Software Rasterizer" */
-        if (strcasestr (renderer, "software rasterizer") != NULL)
+	 * "Software Rasterizer".
+	 * Gallium has softpipe and llvmpipe. */
+        if (strcasestr (renderer, "software rasterizer") != NULL ||
+            strcasestr (renderer, "softpipe") != NULL ||
+            strcasestr (renderer, "llvmpipe") != NULL)
                 goto out;
 
         /* we need to get the max texture size while we have a context,