jack@localhost:~> glxinfo | grep -i -e vendor -e render direct rendering: Yes server glx vendor string: SGI client glx vendor string: Mesa Project and SGI GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, Extended renderer info (GLX_MESA_query_renderer): Vendor: Intel Open Source Technology Center (0x8086) OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) Haswell Desktop GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, GL_MESA_texture_signed_rgba, GL_NV_conditional_render, GL_NV_depth_clamp, GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, GL_NV_conditional_render, GL_NV_depth_clamp, GL_NV_light_max_exponent, GL_OES_fbo_render_mipmap, GL_OES_geometry_point_size,