patch applied (packages/OpenGL): Added a few missing OpenGL 2.0 features and prepared GLSL variable access

[Sven Panne]

Wed Nov  8 06:45:00 PST 2006  sven.panne at aedion.de
  * Added a few missing OpenGL 2.0 features and prepared GLSL variable access

    M ./Graphics/Rendering/OpenGL/GL/Framebuffer.hs -4 +65
    M ./Graphics/Rendering/OpenGL/GL/PerFragment.hs -5 +36
    M ./Graphics/Rendering/OpenGL/GL/QueryUtils.hs +2
    M ./Graphics/Rendering/OpenGL/GL/Shaders.hs -18 +83