From 682526348cb756c7601831742189da0651f088c1 Mon Sep 17 00:00:00 2001
From: neingeist <neingeist@bl0rg.net>
Date: Mon, 13 May 2013 14:07:44 +0200
Subject: [PATCH] REALLY update screen only every 10th line

---
 mandelbrot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mandelbrot.c b/mandelbrot.c
index 6c49634..0abe0a5 100644
--- a/mandelbrot.c
+++ b/mandelbrot.c
@@ -52,7 +52,7 @@ void drawmandelbrot(SDL_Surface *surface) {
     pixels[i] = color;
 
     /* Update the screen every 10 lines. */
-    if (y % 10 == 0) {
+    if (y % 10 == 0 && x == 0) {
       SDL_Flip(surface);
     }
   }