GLSL Shaders mod for Minecraft 1.6.4, 1.7.2, 1.7.4, and 1.7.5

The GLSL Shaders mod for Minecraft allows shader packs such as SEUS. Shader packs are mods for Minecraft which allow for custom lighting, shadows, and other sorts of visual animations.

Features:
- Support multiple composite programs (compostire1, composite2, composite3, etc)
- Ability to change shaders in game (by id_miner)
- New variables sent from java code to shaders
- Shaders can select draw buffers to write to
- More depth buffers and shadow depth buffers
- Generate draw buffer mipmap. (by Sonic Ether)