demos: Clean up allocated Textures and Display Lists when demo quit

1 files changed, 9 insertions, 0 deletions

diff --git a/progs/demos/tunnel.c b/progs/demos/tunnel.c
index 6a240580e8..6981da3298 100644
--- a/progs/demos/tunnel.c
+++ b/progs/demos/tunnel.c
@@ -203,10 +203,18 @@ special(int k, int x, int y)
 }
 
 static void
+cleanup(void)
+{
+   glDeleteTextures(1, &t1id);
+   glDeleteTextures(1, &t2id);
+}
+
+static void
 key(unsigned char k, int x, int y)
 {
    switch (k) {
    case 27:
+      cleanup();
       exit(0);
       break;
 
@@ -531,5 +539,6 @@ main(int ac, char **av)
 
    glutMainLoop();
 
+   cleanup();
    return 0;
 }