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[libgdx] Black screen when toggling from fullscreen to windowed mode

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Hey all,


I have just started working with libgdx, and have run into my first problem. I have a simple program that switches a desktop application from windowed mode to fullscreen and back again. If I start the program in windowed mode, it initially displays fine. When I toggle to full screen it is also OK.


However, when I toggle back to windowed mode the screen goes completely black. The application remains responsive though, and if I toggle again it will go back to fullscreen and display correctly.


I am using 64-bit Windows 7 with the IntelliJ IDEA IDE.


Any help with working out why it is doing this would be greatly appreciated.


A minimal example that displays the issue is shown below:



public class MyGdxGame extends ApplicationAdapter {

public void create () {	
	fullScreen = false;

public void render () {, 0, 0, 1);;

	if (Gdx.input.isKeyPressed(Input.Keys.TAB)) {
		fullScreen = !fullScreen;
		DisplayMode currentMode =;, currentMode.height, fullScreen);

private boolean fullScreen;

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