Quote Originally Posted by User137 View Post
I would avoid CPU->GPU texturedata movement on every frame, if possible, because it's slow. 3D-engines can only draw anything that is stored on GPU. That makes game programmers look the rendering process from a little different perspective. Doesn't mean that old things aren't possible to do anymore, you just do them little differently.
Yes I know it's not the thing to do and I certainly won't do it with any new project, but I did it a little more often that I thought I had, so providing I can do it reliably (no crashing!) speed is not important as it's really only for
menus screens anyway.