ATI Tessellation demo

ATI tessellation demo showing how the GPU can take a relatively simple triangular mesh and use additional normal/displacement data to generate a more rich, detailed mesh on the fly. Extra tessellation detail is generated dynamically and passes straight through the GPU, requiring no extra video memory for the additional vertex data.

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The DirectX 9.0 Graphics Pipeline

Useful block diagram of everything involved in the DirectX graphics pipeline (click to enlarge).

Online Vector Plotter

Here is a great little tool for plotting multiple 3d vectors

http://www.maths.surrey.ac.uk/explore/emmaspages/Vector1.html

Note: You can rotate your vectors by dragging the mouse!