X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=progs%2Ftrivial%2Ftri-flat-clip.c;h=155b0c4f8d40fb85ebc3a28dfc2f6043ebb43824;hb=49680dae5dd014503974f20c0b943244622ca3d5;hp=fafa64914d4e3893cf46cd9b3235431ed259b152;hpb=b4517527ebe9933cd3f49da29a9443c1abaa8242;p=mesa.git

diff --git a/progs/trivial/tri-flat-clip.c b/progs/trivial/tri-flat-clip.c
index fafa64914d4..155b0c4f8d4 100644
--- a/progs/trivial/tri-flat-clip.c
+++ b/progs/trivial/tri-flat-clip.c
@@ -119,7 +119,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);