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