[Mesa-users] Using GLX remotely....how to configure?

Sun Mar 16 08:01:20 PDT 2014

Hi,
Only idea is try VirtualGL...
cheers
Shanon

On 15 March 2014 01:36, L. A. Walsh <freedesktop at tlinx.org> wrote:

> It used to be the case about 2 years back, that
> I could run GLX programs remotely, via X, with reasonable performance
> for a Xdisplay running on Windows via Cygwin, on the same
> 1Gb net as the running program.
>
> The reason I'm being "vague" is that I think it was under openSuse's
> 12.1 that it last worked.
> What seemed to change  -- I'm not sure on the timing was a complete
> reconfig of the configuration files into rc-style, numbered run scripts in
> /etc/X11/xorg.conf.d.
>
> I'm wondering if Mesa switched away from using 'xlib-glx' in that
> time frame and to using the the "dri-modules" around then -- and
> wondering if that might be related.
>
> Can Mesa be run over a remote X connection  -- or how does one set
> up the server side?
>
>
> It seems it tries to load 'swrast' and fails.  From the bug I filed
> in opensuse's db @ https://bugzilla.novell.com/show_bug.cgi?id=867019,
> I get the following -- in trying to start a gnome session:
>
>
> Ishtar:/etc/xrdp> export LIBGL_DEBUG=verbose
> Ishtar:/etc/xrdp> startwm.sh
> /usr/bin/gnome-session
> Starting gnome-session
> libGL: OpenDriver: trying /usr/lib64/dri/updates/tls/swrast_dri.so
> libGL: OpenDriver: trying /usr/lib64/dri/updates/swrast_dri.so
> libGL: Can't open configuration file /home/law/.drirc: No such file or
> directory.
> libGL error: failed to load driver: swrast
> gnome-session-is-accelerated: No GLX_EXT_texture_from_pixmap support.
> gnome-session-check-accelerated: Helper exited with code 256
> libGL: OpenDriver: trying /usr/lib64/dri/updates/tls/swrast_dri.so
> libGL: OpenDriver: trying /usr/lib64/dri/updates/swrast_dri.so
> libGL: Can't open configuration file /home/law/.drirc: No such file or
> directory.
> libGL error: failed to load driver: swrast
> gnome-session-is-accelerated: No GLX_EXT_texture_from_pixmap support.
> gnome-session-check-accelerated: Helper exited with code 256
>
> ** (process:11515): WARNING **: software acceleration check failed: Child
> process exited with code 1
>
> ----
> What is .drirc?  I.e. it looks like it might be for specifying
> different default values -- but it also looks like it is failing after
> not being able to find it.
>
> ------
>
> I used to get basic or minimal functionality w/remote, but now I
> get no remote.
>
>
> The box I'm running the programs has a VGA compat card (it's
> basically a mostly headless server -- with the the vga support,
> on board in the motherboard.
>
> glxinfo displays:
>
>  LIBGL_DEBUG=verbose glxinfo 2>&1
>>
> name of display: athenae.hs.tlinx.org:0
> libGL: OpenDriver: trying /usr/lib64/dri/updates/tls/swrast_dri.so
> libGL: OpenDriver: trying /usr/lib64/dri/updates/swrast_dri.so
> libGL: Can't open configuration file /home/law/.drirc: No such file or
> directory.
> libGL error: failed to load driver: swrast
> display: athenae.hs.tlinx.org:0  screen: 0
> direct rendering: No (If you want to find out why, try setting
> LIBGL_DEBUG=verbose)
> server glx vendor string: SGI
> server glx version string: 1.4
> server glx extensions:
>    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_visual_info,
>  GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, GLX_OML_swap_method,
>  GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
>  GLX_SGI_make_current_read, GLX_SGI_swap_control
> client glx vendor string: Mesa Project and SGI
> client glx version string: 1.4
> client glx extensions:
>    GLX_ARB_create_context, GLX_ARB_create_context_profile,
>  GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float,
>  GLX_ARB_framebuffer_sRGB, GLX_ARB_get_proc_address, GLX_ARB_multisample,
>  GLX_EXT_create_context_es2_profile, GLX_EXT_fbconfig_packed_float,
>  GLX_EXT_framebuffer_sRGB, GLX_EXT_import_context,
>  GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating,
>  GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer,    GLX_MESA_multithread_makecurrent,
> GLX_MESA_swap_control,    GLX_OML_swap_method, GLX_OML_sync_control,
> GLX_SGIS_multisample,    GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
> GLX_SGIX_visual_select_group,    GLX_SGI_make_current_read,
> GLX_SGI_swap_control, GLX_SGI_video_sync
> GLX version: 1.4
> GLX extensions:
>    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
>    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer,
>  GLX_MESA_multithread_makecurrent, GLX_OML_swap_method,
>  GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
>  GLX_SGI_make_current_read, GLX_SGI_swap_control
> OpenGL vendor string: NVIDIA Corporation
> OpenGL renderer string: GeForce GTX 590/PCIe/SSE2
> OpenGL version string: 1.4 (4.4.0)
> OpenGL extensions:
>    GL_ARB_depth_texture, GL_ARB_draw_buffers, GL_ARB_fragment_program,
>  GL_ARB_fragment_program_shadow, GL_ARB_framebuffer_object,
> GL_ARB_imaging,    GL_ARB_multisample, GL_ARB_multitexture,
> GL_ARB_occlusion_query,    GL_ARB_point_parameters, GL_ARB_point_sprite,
> GL_ARB_shadow,    GL_ARB_texture_border_clamp, GL_ARB_texture_compression,
>    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_mirrored_repeat,
>  GL_ARB_texture_non_power_of_two, GL_ARB_texture_rectangle,
>  GL_ARB_texture_rg, GL_ARB_transpose_matrix, GL_ARB_vertex_program,
>  GL_ARB_window_pos, GL_ATI_draw_buffers, GL_ATI_texture_float,
>  GL_ATI_texture_mirror_once, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color,
>    GL_EXT_blend_equation_separate, GL_EXT_blend_func_separate,
>  GL_EXT_blend_minmax, GL_EXT_blend_subtract, 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_multi_draw_arrays, GL_EXT_packed_depth_stencil,
>  GL_EXT_packed_pixels, GL_EXT_point_parameters, 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_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_env_dot3, GL_EXT_texture_filter_anisotropic,
>  GL_EXT_texture_lod, GL_EXT_texture_lod_bias, GL_EXT_texture_mirror_clamp,
>    GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_vertex_array,
>  GL_IBM_rasterpos_clip, GL_IBM_texture_mirrored_repeat,
>  GL_INGR_blend_func_separate, GL_NV_blend_square,
>  GL_NV_copy_depth_to_color, GL_NV_depth_clamp, GL_NV_fog_distance,
>  GL_NV_fragment_program, GL_NV_fragment_program2,
>  GL_NV_fragment_program_option, GL_NV_light_max_exponent,
>  GL_NV_multisample_filter_hint, GL_NV_packed_depth_stencil,
>  GL_NV_point_sprite, GL_NV_texgen_reflection,
>  GL_NV_texture_compression_vtc, GL_NV_texture_env_combine4,
>  GL_NV_texture_rectangle, GL_NV_vertex_program, GL_NV_vertex_program1_1,
>  GL_NV_vertex_program2, GL_NV_vertex_program2_option,
>  GL_NV_vertex_program3, GL_SGIS_generate_mipmap,
>  GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp,
>  GL_SGIS_texture_lod, GL_SGIX_depth_texture, GL_SGIX_shadow,
>  GL_SUN_multi_draw_arrays, GL_SUN_slice_accum
>
>
>
>
> ------------------
>
> I.e. Glx is picking up the type of GLX supported on the remote
> card -- and correctly detecting my Nvidia based graphics card.
>
> So ... the open suse people claim that might be the problem and
> that MesaGL might not work with Nividia's GLX on windows using
> cygwin.  (!?)
>
> So how can I get it to work?  Ideas?
>
> Thanks!
>
>
>
>
>
>
> _______________________________________________
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> mesa-users at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-users
>
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