0
votes
0answers
45 views

What is GPU bandwidth?

Does it refer to the bandwidth between the RAM, Northbridge and GPU, or internal bandwidth within the GPU? How much data is it possible to send to the GPU in a single frame?
2
votes
2answers
134 views

How do you ensure consistent experience across multiple graphics cards (or even driver versions)?

So I was writing a simple 2D game with OpenGL and SDL and had this problem when there was awful tearing when running in windowed mode (even though I explicitly asked SDL_SetVideoMode to use double ...
30
votes
3answers
5k views

What is the purpose of the stencil buffer ? More precisely, what is a stencil in computer graphics?

I read the stencil word a lot, and I don't have a clue what is its real purpose in computer graphics. Seeing the picture in black and white on wikipedia, I'm still having problem with it. Why do we ...
3
votes
4answers
765 views

How do you make use of all texture units on today's graphics cards?

I saw a review of the GeForce GTX 460 graphics card. It has 56 texture units. I'm not that knowledgeable about graphics effects. But, the ones I know use around 3 or 4 texture units. In this ...