lxinfo | grep string 
server glx vendor string: SGI
server glx version string: 1.4
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) 945G x86/MMX/SSE2
OpenGL version string: 1.4 Mesa 17.0.7
OpenGL ES profile version string: OpenGL ES 2.0 Mesa 17.0.7
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16