Re: How to determine maximum frame buffer size?

Michael I Gold <[email protected]> Tue, 21 Feb 2006 05:02:31 -0800
Newsgroups gmane.games.devel.opengl
Organization Fat City Network Services, San Diego, California
Message-ID <[email protected]>
I think EnumDisplaySettings is the right answer but the behavior you 
observe may be a driver bug.  You should contact ATI for assistance.

Robin Charlton wrote:

>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: Laurent Auneau
>>  INET: [email protected]
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>FAQ and OpenGL Resources at:
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