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-rw-r--r--main_glut.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/main_glut.c b/main_glut.c
index 92e3fdb..ed4eee5 100644
--- a/main_glut.c
+++ b/main_glut.c
@@ -13,7 +13,7 @@ init(int argc, char **argv, int w, int h) {
glutInitWindowPosition(0, 0);
glutInitWindowSize(w, h);
- glutInitDisplayMode(GLUT_RGB);
+ glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
glutCreateWindow(argv[0]);
glDepthMask(0);