@Paul
Does this help? GLXINFO output
/home/parallels/AGK/AGKLinux/Projects/JB >glxinfo
name of display: :0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: Parallels Inc
server glx version string: 1.4
server glx extensions:
GLX_EXT_texture_from_pixmap, GLX_SGIX_fbconfig
client glx vendor string: Parallels Inc
client glx version string: 1.4
client glx extensions:
GLX_ARB_get_proc_address, GLX_EXT_texture_from_pixmap, GLX_SGIX_fbconfig
GLX version: 1.4
GLX extensions:
GLX_ARB_get_proc_address, GLX_EXT_texture_from_pixmap, GLX_SGIX_fbconfig
OpenGL vendor string: Parallels and NVIDIA Corporation
OpenGL renderer string: Parallels using NVIDIA GeForce GTX 680MX OpenGL Engine
OpenGL version string: 2.1 NVIDIA-10.2.7 310.41.25f01
OpenGL shading language version string: 1.20
OpenGL extensions:
GL_ARB_color_buffer_float, GL_ARB_depth_texture, GL_ARB_draw_buffers,
GL_ARB_fragment_program, GL_ARB_fragment_program_shadow,
GL_ARB_fragment_shader, GL_ARB_framebuffer_object,
GL_ARB_half_float_pixel, GL_ARB_half_float_vertex, GL_ARB_imaging,
GL_ARB_map_buffer_range, GL_ARB_multisample, GL_ARB_multitexture,
GL_ARB_occlusion_query, GL_ARB_pixel_buffer_object,
GL_ARB_point_parameters, GL_ARB_point_sprite, GL_ARB_shader_objects,
GL_ARB_shader_texture_lod, GL_ARB_shading_language_100, GL_ARB_shadow,
GL_ARB_texture_border_clamp, GL_ARB_texture_compression,
GL_ARB_texture_compression_rgtc, GL_ARB_texture_cube_map,
GL_ARB_texture_env_add, GL_ARB_texture_env_combine,
GL_ARB_texture_env_crossbar, GL_ARB_texture_env_dot3,
GL_ARB_texture_float, GL_ARB_texture_mirrored_repeat,
GL_ARB_texture_non_power_of_two, GL_ARB_texture_rectangle,
GL_ARB_texture_rg, GL_ARB_transpose_matrix, GL_ARB_vertex_blend,
GL_ARB_vertex_buffer_object, GL_ARB_vertex_program, GL_ARB_vertex_shader,
GL_ARB_window_pos, GL_ATI_separate_stencil, GL_ATI_texture_env_combine3,
GL_ATI_texture_float, GL_ATI_texture_mirror_once, GL_EXT_abgr,
GL_EXT_bgra, GL_EXT_bindable_uniform, GL_EXT_blend_color,
GL_EXT_blend_equation_separate, GL_EXT_blend_func_separate,
GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_clip_volume_hint,
GL_EXT_depth_bounds_test, GL_EXT_draw_buffers2,
GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_blit,
GL_EXT_framebuffer_multisample, GL_EXT_framebuffer_object,
GL_EXT_framebuffer_sRGB, GL_EXT_geometry_shader4,
GL_EXT_gpu_program_parameters, GL_EXT_multi_draw_arrays,
GL_EXT_packed_depth_stencil, GL_EXT_packed_float, GL_EXT_provoking_vertex,
GL_EXT_rescale_normal, GL_EXT_secondary_color,
GL_EXT_separate_specular_color, GL_EXT_shadow_funcs,
GL_EXT_stencil_two_side, GL_EXT_stencil_wrap, GL_EXT_texture3D,
GL_EXT_texture_array, GL_EXT_texture_compression_dxt1,
GL_EXT_texture_compression_s3tc, GL_EXT_texture_edge_clamp,
GL_EXT_texture_env_add, GL_EXT_texture_env_combine,
GL_EXT_texture_filter_anisotropic, GL_EXT_texture_integer,
GL_EXT_texture_lod_bias, GL_EXT_texture_mirror_clamp,
GL_EXT_texture_rectangle, GL_EXT_texture_sRGB,
GL_EXT_texture_shared_exponent, GL_EXT_vertex_array_bgra,
GL_NV_blend_square, GL_NV_depth_clamp, GL_NV_fog_distance,
GL_NV_fragment_program2, GL_NV_fragment_program_option,
GL_NV_light_max_exponent, GL_NV_multisample_filter_hint,
GL_NV_point_sprite, GL_NV_texgen_reflection, GL_NV_texture_rectangle,
GL_NV_vertex_program2_option, GL_NV_vertex_program3,
GL_SGIS_generate_mipmap, GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod
2 GLX Visuals
visual x bf lv rg d st colorbuffer sr ax dp st accumbuffer ms cav
id dep cl sp sz l ci b ro r g b a F gb bf th cl r g b a ns b eat
----------------------------------------------------------------------------
0x021 24 tc 1 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x041 32 tc 1 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
8 GLXFBConfigs:
visual x bf lv rg d st colorbuffer sr ax dp st accumbuffer ms cav
id dep cl sp sz l ci b ro r g b a F gb bf th cl r g b a ns b eat
----------------------------------------------------------------------------
0x042 24 tc 1 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x043 24 tc 1 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x044 32 tc 1 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x045 32 dc 1 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x046 24 tc 1 24 0 r . . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x047 24 tc 1 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x048 32 tc 1 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x049 32 dc 1 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
[href]https://www.facebook.com/WonkyPix
http://www.wonkypix.com
http://www.appstore.com/jsecconsultancyltd[/href]