diff --git a/src/dlangui/platforms/sdl/sdlapp.d b/src/dlangui/platforms/sdl/sdlapp.d
index ee9ba686..329c8817 100644
--- a/src/dlangui/platforms/sdl/sdlapp.d
+++ b/src/dlangui/platforms/sdl/sdlapp.d
@@ -150,8 +150,14 @@ class SDLWindow : Window {
 		static if (ENABLE_OPENGL) {
             if (_enableOpengl)
                 windowFlags |= SDL_WINDOW_OPENGL;
-            if (!_glSupport)
-                _glSupport = new GLSupport();
+            if (!_glSupport) {
+                version(OSX) {
+                    bool useLegacyOpengl = true;
+                } else {
+                    bool useLegacyOpengl = false;
+                }
+                _glSupport = new GLSupport(useLegacyOpengl);
+            }
         }
 		_win = SDL_CreateWindow(toUTF8(_caption).toStringz, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 
                                 _dx, _dy, 
diff --git a/src/dlangui/platforms/x11/x11app.d b/src/dlangui/platforms/x11/x11app.d
index 8d4f96ca..bd252e0f 100644
--- a/src/dlangui/platforms/x11/x11app.d
+++ b/src/dlangui/platforms/x11/x11app.d
@@ -214,19 +214,22 @@ class X11Window : DWindow {
 				EnterWindowMask | LeaveWindowMask | PointerMotionMask | ButtonMotionMask | ExposureMask | VisibilityChangeMask |
 					FocusChangeMask | KeymapStateMask | StructureNotifyMask;
 			Visual * visual = DefaultVisual(x11display, x11screen);
+            int depth = DefaultDepth(x11display, x11screen);
 			static if (ENABLE_OPENGL) {
 				if (_enableOpengl) {
 					swamask |= CWColormap;
 					swa.colormap = x11cmap;
 					visual = cast(Visual*)x11visual.visual;
+                    depth = x11visutal.depth;
 				}
 			}
 
 			_win = XCreateWindow(x11display, DefaultRootWindow(x11display), 
 				0, 0, 
 				_dx, _dy, 0, 
-				x11visual.depth, InputOutput, 
-				visual, 
+				depth, 
+                InputOutput, 
+				visual,
 				swamask, 
 				&swa);
 //			_win = XCreateSimpleWindow(x11display, DefaultRootWindow(x11display),