GLSL

Short name for OpenGL Shading Language.

See [2 ] or [1 ] for more information.

Tcl3D wraps the GLSL library as part of OpenGL version 2.0. It also has some demonstration programs http://www.tcl3d.org/cgi-bin/democont.tcl?../demos/TutorialsAndBooks/CodeSampler/ogl_vertex_displacement.jpg using GLSL.