1 files changed, 13 insertions, 1 deletions
diff --git a/progs/xdemos/glxinfo.c b/progs/xdemos/glxinfo.c
index fdd1c0523f..a1aca5ad31 100644
--- a/progs/xdemos/glxinfo.c
+++ b/progs/xdemos/glxinfo.c
@@ -456,7 +456,19 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
       }
       printf("display: %s  screen: %d\n", displayName, scrnum);
       free(displayName);
-      printf("direct rendering: %s\n", glXIsDirect(dpy, ctx) ? "Yes" : "No");
+      printf("direct rendering: ");
+      if (glXIsDirect(dpy, ctx)) {
+         printf("Yes\n");
+      } else {
+         if (!allowDirect) {
+            printf("No (-i specified)\n");
+         } else if (getenv("LIBGL_ALWAYS_INDIRECT")) {
+            printf("No (LIBGL_ALWAYS_INDIRECT set)\n");
+         } else {
+            printf("No (If you want to find out why, try setting "
+                   "LIBGL_DEBUG=verbose)\n");
+         }
+      }
       printf("server glx vendor string: %s\n", serverVendor);
       printf("server glx version string: %s\n", serverVersion);
       printf("server glx extensions:\n");