progs/xdemos: fix up GLX extension checking

A few of my programs were using the client string in addition to the
main extensions string to see if a feature was present.  Correct this to
only check for the currently available and working extensions.

1 files changed, 1 insertions, 8 deletions

diff --git a/progs/xdemos/omlsync.c b/progs/xdemos/omlsync.c
index f2c1d13f811..a2baf4ad720 100644
--- a/progs/xdemos/omlsync.c
+++ b/progs/xdemos/omlsync.c
@@ -73,10 +73,9 @@ int (*glXSwapInterval)(int interval);
 
 static int GLXExtensionSupported(Display *dpy, const char *extension)
 {
-	const char *extensionsString, *client_extensions, *pos;
+	const char *extensionsString, *pos;
 
 	extensionsString = glXQueryExtensionsString(dpy, DefaultScreen(dpy));
-	client_extensions = glXGetClientString(dpy, GLX_EXTENSIONS);
 
 	pos = strstr(extensionsString, extension);
 
@@ -84,12 +83,6 @@ static int GLXExtensionSupported(Display *dpy, const char *extension)
 	    (pos[strlen(extension)] == ' ' || pos[strlen(extension)] == '\0'))
 		return 1;
 
-	pos = strstr(client_extensions, extension);
-
-	if (pos != NULL && (pos == extensionsString || pos[-1] == ' ') &&
-	    (pos[strlen(extension)] == ' ' || pos[strlen(extension)] == '\0'))
-		return 1;
-
 	return 0;
 }