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changing resolutions

Started by hello_there Mar 4, 2004 at 10:09 PM 1 reply 400+ views

Original Post

Mar 4, 2004 at 10:09 PM

In my game i want the player to be able to change the resolutions what are the steps that i would have to do? Using opengl and windows.

Xiachunyi

Mar 5, 2004 at 10:01 PM

Use the "ChangeDisplaySettings" Windows API function to change the screen resolution.


DEVMODE dmScreenSettings;
memset(&dmScreenSettings,0,sizeof(dmScreenSettings));
dmScreenSettings.dmSize=sizeof(dmScreenSettings);
dmScreenSettings.dmPelsWidth	= width;
dmScreenSettings.dmPelsHeight	= height;
dmScreenSettings.dmBitsPerPel=bits;
dmScreenSettings.dmFields=DM_BITSPERPEL|DM_PELSWIDTH|DM_PELSHEIGHT;
if (ChangeDisplaySettings(&dmScreenSettings,CDS_FULLSCREEN)!=DISP_CHANGE_SUCCESSFUL)
{
//Error code here
}

Big Cheez

Mar 10, 2004 at 5:39 AM

When they change the screen resolution, just run this piece of code:


KillGLWindow();//or its equivalent in your program
CreateGLWindow("title",newXRes,newYRes,32,fullscreen)

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