From ce0efd1aebd8638223222aa6fde3c702b3b911d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Thu, 9 Apr 2020 15:11:51 +0200
Subject: [PATCH] Platform: move a window creation asset to a better place in
 GlfwApp.

So this gets checked even when the user is calling mainLoopIteration()
directly.
---
 src/Magnum/Platform/GlfwApplication.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Magnum/Platform/GlfwApplication.cpp b/src/Magnum/Platform/GlfwApplication.cpp
index 2cc855a6c..863ef3bd2 100644
--- a/src/Magnum/Platform/GlfwApplication.cpp
+++ b/src/Magnum/Platform/GlfwApplication.cpp
@@ -720,14 +720,14 @@ void GlfwApplication::setSwapInterval(const Int interval) {
 void GlfwApplication::redraw() { _flags |= Flag::Redraw; }
 
 int GlfwApplication::exec() {
-    CORRADE_ASSERT(_window, "Platform::GlfwApplication::exec(): no window opened", {});
-
     while(mainLoopIteration()) {}
 
     return _exitCode;
 }
 
 bool GlfwApplication::mainLoopIteration() {
+    CORRADE_ASSERT(_window, "Platform::GlfwApplication::mainLoopIteration(): no window opened", {});
+
     if(_flags & Flag::Redraw) {
         _flags &= ~Flag::Redraw;
         drawEvent();