Keith Whitwell wrote:
> Ian Romanick wrote:
> 
>> On Wed, Oct 09, 2002 at 07:57:18AM -0600, Brian Paul wrote:
>>
>>
>>> I've whipped up an HTML table which summarizes the features of the 
>>> DRI drivers.
>>> Maybe one of the web masters can incorporate it into the website.
>>>
>>
>> Couple quick corrections.  I don't think R200 supports
>> {ARB,IBM}_texture_mirrored_repeat (but it could), but R100 does.  
>> Currently,
>> both the the paletted texture extensions are disabled in the MGA 
>> driver.  We
>> should probably also add a note that only AGP Radeons (R100 & R200) are
>> supported on x86.  Somebody should probably also add a line for PowerPC.
>>
>> With regards to SGIS_generate_mipmap, is there any reason we can't enable
>> that on all hardware?  Even for the hardware where it is enabled, it uses
>> the sw fallback.
> 
> 
> But why?
> 
> Apps might prefer to have no mipmaps than have them generated by (slow) 
> software.  In this case, advertising the string is misleading.
> 
> Apps which want mipmaps regardless will *have* to have a fallback path 
> themselves, so apps that care will already know how to do this when the 
> extension isn't advertized.
> 
> Overall, this 'false advertising' doesn't aid one class of apps, and 
> confuses another...

I know you're not crazy about exposing extensions which aren't implemented
in hardware, but I think in this case it would be OK.

- It's an OpenGL 1.4 standard feature
- The s/w implementation is fairly speedy.
- It's an extension that's not used a whole lot

-Brian



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