Disable anti-aliasing initialization, was causing GL_SELECT issues

NVidia (at least) GL drivers don't provide correct picking through GL_SELECT when the GL context is initialized with sample buffers.

So we can't have FSAA on for now as it breaks border,lasso,.. select.

release/scripts/ui/space_userpref.py

@@ -411,7 +411,8 @@ class USERPREF_PT_system(bpy.types.Panel):
         col.prop(system, "clip_alpha", slider=True)
         col.prop(system, "use_mipmaps")
         col.prop(system, "use_vbos")
-        col.prop(system, "use_antialiasing")
+        #Anti-aliasing is disabled as it breaks broder/lasso select
+        #col.prop(system, "use_antialiasing")
         col.label(text="Window Draw Method:")
         col.row().prop(system, "window_draw_method", expand=True)
         col.label(text="Textures:")

source/blender/windowmanager/intern/wm_window.c

@@ -307,13 +307,14 @@ static void wm_window_add_ghostwindow(wmWindowManager *wm, char *title, wmWindow
 		inital_state += macPrefState;
 	}
 #endif
-	
+	/* Disable AA for now, as GL_SELECT (used for border, lasso, ... select)
+	 doesn't work well when AA is initialized, even if not used. */
 	ghostwin= GHOST_CreateWindow(g_system, title, 
 								 win->posx, posy, win->sizex, win->sizey, 
 								 inital_state, 
 								 GHOST_kDrawingContextTypeOpenGL,
 								 0 /* no stereo */,
-								 4 /* 4x AA */);
+								 0 /* no AA */);
 	
 	if (ghostwin) {