OSX context fix, really

dgl/src/pugl/pugl_osx.m

@@ -438,16 +438,13 @@ void
 puglLeaveContext(PuglView* view, bool flush)
 {
 #ifdef PUGL_HAVE_GL
-	if (view->ctx_type == PUGL_GL) {
-		if (flush) {
-			if (view->impl->glview->doubleBuffered) {
-				[[view->impl->glview openGLContext] flushBuffer];
-			} else {
-				glFlush();
-			}
+	if (view->ctx_type == PUGL_GL && flush) {
+		if (view->impl->glview->doubleBuffered) {
+			[[view->impl->glview openGLContext] flushBuffer];
+		} else {
+			glFlush();
 		}
-
-		[NSOpenGLContext clearCurrentContext];
+		//[NSOpenGLContext clearCurrentContext];
 	}
 #endif
 }