fix glReadPixels parameters to handle odd-width windows correctly

2007-06-08 13:10:01 -06:00
parent 5e9cff0b97
commit 39d221ef14
1 changed files with 3 additions and 2 deletions
@@ -74,8 +74,9 @@ Display(void)
                buffer);
   /* top half = colorbuffer 1 */
   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
-   glReadPixels(0, Height/2, Width, Height / 2, GL_RGBA, GL_UNSIGNED_BYTE,
-                buffer + Width * Height / 2 * 4);
+   glReadPixels(0, Height/2, Width, Height - Height / 2,
+                GL_RGBA, GL_UNSIGNED_BYTE,
+                buffer + Width * (Height / 2) * 4);

   /* draw to window */
   glUseProgram_func(0);