Power of two Textures

[t.coursey]

Is there a big performance hit in not using power of two texture dimensions?  Many of my textures show up in the console with the orange text alerting me to them not being power of two.

If there is a big performance hit I can go through them but that will take some time, so before I do that does anyone know if this will help any?  Thanks.

[morbid]

Hi Trey,

general recommendation - is to use power of 2 textures. However, modern GPUs can handle NPOT textures without any major troubles.

It also shouldn't critically impact overall performance, but, please, keep in mind that such textures could cause mipmaps artifacts and wouldn't work with really old GPUs.

For instance, this article shows that NPOT textures with Intel GPU are wasting RAM and could cause visual artifacts: https://software.intel.com/en-us/articles/opengl-performance-tips-power-of-two-textures-have-better-performance

Thank you.