Svilen wrote:
> Nicolai Hähnle wrote:
>> Am Donnerstag 07 August 2008 01:48:07 schrieb Svilen:
>>   
>>>> I'm having troubles obtaining GLX visual with accumulation buffers. It
>>>> happens only on Fedora 9. Attached is glxinfo log.
>>>> Problem never appears with fglrx drivers, but as you know it's not
>>>> available for FC9.
>>>>
>>>> I'm really looking forward for your comments.
>>>>
>>>> Here is my platform:
>>>> X1600 Mobility Radeon
>>>> Linux, Fedora 9
>>>> Xorg 7.4 (unofficial)
>>>> Mesa 7.1 (unofficial)
>>>>
>>>> xorg.conf
>>>> ...
>>>>   Section "Device"
>>>>       Identifier "Videocard0"
>>>>       Driver "radeon"
>>>>   EndSection
>>>> ...
>>>>
>>>> Regards
>>>>       
>> I don't think we have acceleration for accumulation buffers. You may still 
>> be 
>> able to obtain a GLX visual with accum buffers by what Michel said, but 
>> don't 
>> expect too great results.
>>
>> To be honest, you're the first person I've ever seen complaining about 
>> missing 
>> accumulation buffers, so I have no idea whether that will change any time 
>> soon.
>>   
> I'm certainly not a great expert in OpenGL, but accumulation buffers can 
> be quite handy. It seems highly unlikely that I'm the only one using 
> them. Besides you can find a simple tricks with the accumulation buffers 
> in every openGL book.
> It is certainly a surprise that I'm the first complaining about it. It 
> certainly took me some time until I found the right place to ask the 
> question. Maybe this is one of the reasons?

I agree that a GLX visual with an accum buffer should be present.

Accum is always implemented in software with Mesa, but it's trivial to 
support.

-Brian


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