[dx8-1] Improve texture addressing modes

["Ann and Jason Edmeades" <us@the-edmeades.demon.co.uk>]

Cleaning up some old patches:

Changelog:

Make codesampler texture addressing mode sample work better - Add Mirror
support (if opengl 1.3) and make clamp and border appear more similar to
Windows.

Jason

Attachment: dx8-1.texaddr.20030419.patch
Description: Binary data