root@ubuntu-imx6:~# glxinfo
name of display: :0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
    GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating,
    GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_OML_swap_method,
    GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_fbconfig,
    GLX_SGIX_pbuffer, GLX_MESA_copy_sub_buffer
client glx vendor string: Vivante Corp
client glx version string: 1.4
client glx extensions:
    GLX_SGI_make_current_read,  GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
    GLX_ARB_get_proc_address
GLX version: 1.4
GLX extensions:
    GLX_SGI_make_current_read, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer
OpenGL vendor string: Vivante Corporation
OpenGL renderer string: GC2000 Graphics Engine
OpenGL version string: 2.1 2.0.1
OpenGL shading language version string: 1.20
OpenGL extensions:
    WGL_ARB_extensions_string, WGL_EXT_extensions_string,
    WGL_EXT_swap_control, GL_EXT_texture_env_add, GL_ARB_multitexture,
    GL_ARB_multisample, GL_ARB_texture_env_add, GL_ARB_texture_compression,
    GL_ARB_texture_env_combine, GL_ARB_depth_texture, GL_ARB_window_pos,
    GL_ARB_vertex_buffer_object, GL_ARB_shader_objects, GL_ARB_vertex_shader,
    GL_ARB_fragment_shader, GL_ARB_texture_non_power_of_two,
    GL_ARB_fragment_program_shadow, GL_EXT_texture_rectangle,
    GL_ARB_texture_rectangle, GL_ARB_pixel_buffer_object, GL_EXT_abgr,
    GL_EXT_blend_color, GL_EXT_polygon_offset, GL_EXT_texture,
    GL_EXT_texture3D, GL_EXT_subtexture, GL_EXT_histogram,
    GL_EXT_convolution, GL_EXT_texture_object, GL_SGIS_texture_lod,
    GL_EXT_rescale_normal, GL_EXT_vertex_array, GL_SGIS_generate_mipmap,
    GL_EXT_draw_range_elements, GL_EXT_bgra, GL_EXT_separate_specular_color,
    GL_EXT_secondary_color, GL_EXT_texture_env_combine,
    GL_EXT_blend_func_separate, GL_EXT_texture_lod_bias,
    GL_EXT_texture_filter_anisotropic, GL_EXT_texture_compression_s3tc,
    GL_NV_texture_rectangle, GL_ATI_vertex_array_object, GL_ATI_element_array,
    GL_EXT_stencil_two_side, GL_ATI_draw_buffers, GL_ATI_texture_env_combine3,
    GL_ATI_separate_stencil, GL_EXT_blend_equation_separate,
    GL_EXT_pixel_buffer_object, GL_EXT_color_table, GL_SGI_color_matrix,
    GL_EXT_texture_cube_map, GL_ARB_imaging, GL_EXT_framebuffer_object,
    GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample,
    GL_EXT_texture_array, GL_EXT_draw_buffers2, GL_EXT_texture_buffer_object,
    GL_EXT_draw_instanced, GL_EXT_timer_query