It depends on which version of OpenGL you want to speed up. There are several alternatives depending on your needs. I have listed those that I know about below:
OpenGL 1.0 and 1.1
Windows ( Windows NT 3.5) OpenGL . - , . Microsoft OpenGL 1.0 1.1, , . OpenGL 1.0 1.1 ( ), . , Windows OpenGL OpenGL ES 1.x OpenGL 1.0 1.1.
OpenGL 1.4
, Windows Vista Microsoft , OpenGL Direct3D; OpenGL 1.4. , , Windows Vista ( ?) OpenGL SC. , , , - Windows.
, Windows OpenGL (OpenGL 1.0 1.1) Windows Vista .
OpenGL ES 2.0
, ANGLE, WebGL OpenGL ES 2.0, OpenGL ES 2.0 DirectX 9 11. , OpenGL ES 3.0 . ANGLE, .
OpenGL 3.1
Mesa 3D ( OpenGL 3.1) :
( Mesa) softpipe ( ), . , llvmpipe , , , - , JIT native SIMD.