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I'm now learning how to use directX (10 - 11), and i use materials from SDK samples, http://www.rastertek.com/ and http://takinginitiative.net/category/graphics-programming/directx-10-tutorials. But i find it suprising that none has explainded the transition between fullscreen and windowed. I also seached with google, in GameDevelopment and StackOverflow, but no result.

What i'm asking is explanation or full exaples for both Window and DirectX "classes".

Thanks for help.

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2 Answers

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You can do this using the normal Windows API function ChangeDisplaySettings http://msdn.microsoft.com/en-us/library/windows/desktop/dd183411(v=vs.85).aspx

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Not with D3D10/11 - use IDXGISwapChain::SetFullscreenState instead. – mh01 Dec 24 '12 at 17:02
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@mh01, I've used this tutorial rastertek.com/tutdx11.html and double checked the source code for this answer, any reason why you shouldn't use the Windows API functions? They seem to work fine when I test it. – Roy T. Dec 24 '12 at 17:45
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Mostly because SetFullScreenState is the method documented by Microsoft: msdn.microsoft.com/en-us/library/windows/desktop/…. It's generally good to follow the documentation I think, and the documentation should take precedence over a tutorial. – mh01 Dec 24 '12 at 23:26
there is nothing against using both. if you start your app and don't have a DirectX context yet, a lot of 3D Applications use ChangeDisplaySettings right after the window has been created to go fullscreen, and as soon as a context is available use SetFullScreenState for further adjustements – cppanda Dec 25 '12 at 1:16
@cppanda so once you have a DirectX context ChangeDisplaySettings no longer works? Should you use mh01's solution once you've already have a DirectX context? (In that case I think his answer is indeed better) – Roy T. Dec 25 '12 at 9:55
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It actually turned out even simpler, I just recreated the DirectX device (or reset it) using new presentation parameters (windowed = false).

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If this is the solution please accept it as answer. – bryan226 Dec 25 '12 at 0:00
Doesn't recreating the DirectX device have negative affects (maybe losing track of what is in GPU memory, I'm not sure but someone might be). – Roy T. Dec 25 '12 at 9:54

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