RE: How to determine maximum frame buffer size?

"Robin Charlton" <[email protected]> Tue, 21 Feb 2006 02:12:23 -0800
Newsgroups gmane.games.devel.opengl
Organization Fat City Network Services, San Diego, California
Message-ID <[email protected]>
EnumDisplaySettings does indeed return the available display resolutions and refresh frequencies. But OpenGL is *window* rather than display based and windows can be resized larger than the display. 

So the question remains, what's the maximum window size supported by a render context?

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On 
> Behalf Of Laurent Auneau
> Sent: 20 February 2006 18:42
> To: Multiple recipients of list OPENGL-GAMEDEV-L
> Subject: RE: How to determine maximum frame buffer size?
> 
> EnumDisplaySettings will do the job. You'll get resolution, 
> frequency and color depth supported by your video card and monitor.
> 
> 	Laurent.
> 
> 
> -----Message d'origine-----
> De : [email protected] [mailto:[email protected]] De 
> la part de Robin Charlton Envoyé : lundi 20 février 2006 
> 19:02 À : Multiple recipients of list OPENGL-GAMEDEV-L Objet 
> : How to determine maximum frame buffer size?
> 
> On MS Windows XP, is there a way to detemine the maximum 
> permitted dimensions of a window that can have a rendering context? 
>  
> All I can find is GL_MAX_VIEWPORT_DIMS which returns 4096 x 
> 4096 - a size which causes the driver to hang after a call to 
> glClear. 
> I'm running on a RADEON 9700 PRO x86/MMX/3DNow!/SSE 2.0.5646 
> WinXP Release.
> 
> All help appreciated!
> -
> Robin Charlton
> 
> -----
> FAQ and OpenGL Resources at:
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> --
> Author: Robin Charlton
>   INET: [email protected]
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Author: Robin Charlton
  INET: [email protected]

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