Non-Power-of-two textures are still an extension with OpenGL 1.5 (although
widely supported). It was promoted to the core with OpenGL 2.0... which I
hope we see soon.
Richard
On 11/24/04 3:15 PM, "Shaun Wexler" <email@hidden> wrote:
> On Nov 24, 2004, at 10:57 AM, Os wrote:
>
>> other people have posted already on the below, so I'll just add - you
>> can of course just pad out your arbitrary texture rectangles to powers
>> of 2, and then use UV coords in the appropriate range.
>>
>> e.g. if your texture is 80x80, pad it up to 128x128 and then use uvs
>> in the range (0, 80/128)
>>
>> I've a notion that on some cards using the NV_TEXTURE_RECTANGLE
>> extension is less efficient for texturing use, but I've nothing to
>> back that up off the top of my head.
>
> I believe that an update to OpenGL (1.5?) has eliminated the
> non-power-of-two restriction, and rectangle textures are now supported
> on all cards. Not sure if this has made it into Mac OS X yet or not.
> Please excuse the cross-post, but I believe someone on Mac-OpenGL could
> better answer this?
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