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PavelB

DirectX and extended screan

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I have created the application that shows on the screen flat simple terrain 100 * 100. It works and camera flies around on the laptop.
However, when I connect my laptop to the external monitor, it doesn't show anything.

Does anyone experianced this kind of strange behaviour?

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Is the external monitor set to "extend" the desktop? Do you get an error? Is this a full screen application or windowed? Are you using the D3DPRESENTFLAG_DEVICECLIP? This will cause you an issue if it’s specified. You could also have issues with a windowed mode app that uses flipping. Edited by DJTN

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