Texture Compression for normal maps developed by ATi.

Try to replace S3 Texture Compression by opensource version from 3Dfx.

1st Texture Compression technology used on 3D graphics card.

Enhanced Trilinear filtering solving blurred textures.

Trilinear filtering is an extension of the bilinear texture filtering method, which also performs linear interpolation between mipmaps.

Bilinear filtering is a texture filtering method used to smooth textures when displayed larger or smaller than they actually are.