"Some of the OpenGL 3.0 features include Vertex Array
Objects, full frame-buffer object functionality, 32-bit
floating-point textures and render buffers, conditional rendering
based on occlusion queries, compact half-float vertex and pixel
data, four new compression schemes, and 32-bit floating-point depth
buffer support are among the many new features. The OpenGL Shading
Language (GLSL) with its 1.30 revision has a number of improvements
as well. "