DisableNPOTSupportCheck 

Standard behaviur if GL_ARB_texture_non_power_of_two extension is not supported is to rescale image to power of 2 dimensions. 

PasteNonPow2ImagesIntoPow2 

Standard behaviour of image->texture functions like CreateGLTextureFrom(Multi)Image is: If graphic card supports non power of 2 textures and image is nonpow2 then texture is created directly from image.