[Public WebGL] NPOT (non-power-of-two) textures

Chris Marrin [email protected]
Thu Jan 14 12:09:56 PST 2010


On Jan 14, 2010, at 11:29 AM, Kenneth Waters wrote:

> OpenGL ES only supports NPOT, not RT. So does that mean we leave  
> these older cards in the cold? The only options I see are:
>
> OpenGL-ES does not support full NPOT textures.  It has similar  
> restrictions to rectangle, except the texture coordinates are  
> normalized.  It may be possible to emulate them with Rectangle, but  
> I haven't dug into all of the semantics.

Given that Rectangle Textures use different samplers in the shaders  
(sampler2DRect vs sampler2D) I don't think you could practically  
emulate this in a shader-based API.
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