graphics - Coding Horror

graphics

Fast Approximate Anti-Aliasing (FXAA)

Anti-aliasing has an intimidating name, but what it does for our computer displays is rather fundamental. Think of it this way -- a line has infinite resolution, but our digital displays do not. So when we "snap" a line to the pixel grid on our display, we can

graphics

Anisotropic Filtering

I've talked about Bilinear vs. Bicubic filtering before in the context of 2D images, but bilinear filtering is a key ingredient in 3D graphics, too. When a texture is applied to a polygon, the texture may be scaled up or down to fit, depending on your screen resolution.