[grits] Update examples

[Andy Spencer <andys src gnome org>]

commit 8c7994f58481044abf01f706accb734340ab6971
Author: Andy Spencer <andy753421 gmail com>
Date:   Sat Dec 15 06:54:18 2012 +0000

    Update examples
    
    - Fix crash in teapot plugin
    - Use direct rendering in gl example

 examples/gl/gl.c         |    2 +-
 examples/gl/mkfile       |    4 ++--
 examples/plugin/teapot.c |    2 --
 3 files changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/examples/gl/gl.c b/examples/gl/gl.c
index 378fd9a..ca7811f 100644
--- a/examples/gl/gl.c
+++ b/examples/gl/gl.c
@@ -98,7 +98,7 @@ gpointer setup(GtkWidget *widget)
 	                        GLX_DEPTH_SIZE,  1,
 	                        None};
 	XVisualInfo *xvinfo  = glXChooseVisual(xdisplay, nscreen, attribs);
-	GLXContext   context = glXCreateContext(xdisplay, xvinfo, 0, False);
+	GLXContext   context = glXCreateContext(xdisplay, xvinfo, 0, True);
 
 	/* Fix up colormap */
 	GdkVisual   *visual  = gdk_x11_screen_lookup_visual(screen, xvinfo->visualid);
diff --git a/examples/gl/mkfile b/examples/gl/mkfile
index 5470441..ecb6803 100644
--- a/examples/gl/mkfile
+++ b/examples/gl/mkfile
@@ -8,12 +8,12 @@ default:V: run
 # GtkGLExt
 #CPPFLAGS=-DSYS_GTKGLEXT
 #CFLAGS=`{pkg-config --cflags gtkglext-1.0} --std=c99
-#LIBS=-`{pkg-config --libs gtkglext-1.0}
+#LIBS=`{pkg-config --libs gtkglext-1.0} -lm
 #default:V: run
 
 # X11
 #CPPFLAGS=-DSYS_X11
-#LIBS=-lGL
+#LIBS=-lGL -lm
 #default:V: run
 
 # Mac OSX
diff --git a/examples/plugin/teapot.c b/examples/plugin/teapot.c
index 1de1230..1aaa234 100644
--- a/examples/plugin/teapot.c
+++ b/examples/plugin/teapot.c
@@ -120,8 +120,6 @@ static void grits_plugin_teapot_dispose(GObject *gobject)
 static void grits_plugin_teapot_class_init(GritsPluginTeapotClass *klass)
 {
 	g_debug("GritsPluginTeapot: class_init");
-	int argc = 1; char *argv[] = {"", NULL};
-	glutInit(&argc, argv);
 	GObjectClass *gobject_class = (GObjectClass*)klass;
 	gobject_class->dispose  = grits_plugin_teapot_dispose;
 }