VMD-L Mailing List

From: John Stone (johns_at_ks.uiuc.edu)
Date: Tue Sep 06 2005 - 11:13:08 CDT

Joe,
  I'm glad things are working after you updated the NVidia driver.

The hardware stereo is just a driver setting in the X11 config file.
This is documented in the NVidia README files, there's a stereo mode
option which is off by default, you just need to turn it on. Once enabled,
you'll need to use "setenv VMDPREFERSTEREO 1" before you run VMD to tell
it that you'd rather have stereo than antialiasing, since all of the
NVidia cards I've tested to date did only one or the other but not both
at the same time.

  John Stone
  vmd_at_ks.uiuc.edu

On Tue, Sep 06, 2005 at 08:57:22AM -0700, Joseph Fernandez wrote:
> John:
>
> The problem was solved! I upgraded the drivers from
> the NVidia site, and all is well.
>
> However, I notice that I am not able to get hardware
> stereo, which is essential for my line of work. Could
> you help me with this?
>
> Joe
>
> --- John Stone <johns_at_ks.uiuc.edu> wrote:
>
> >
> > Joe,
> > Good to know. What happens if you run VMD after
> > setting this environment
> > variable first:
> > setenv VMDSIMPLEGRAPHICS 1
> >
> > You should see different startup messages than
> > usual, please send me the
> > startup text you get in the VMD console window when
> > you start it normally,
> > and when you start it with the environment variable
> > above.
> >
> > John
> >
> > On Tue, Sep 06, 2005 at 08:19:26AM -0700, Joseph
> > Fernandez wrote:
> > > No he has not. I just came across the latest
> > version
> > > (0.99; beta), downloaded it and installed it. It
> > > seemed to have resolved the issue.
> > >
> > > Joe
> > >
> > > --- John Stone <johns_at_ks.uiuc.edu> wrote:
> > >
> > > >
> > > > Hi,
> > > > Interesting, yes, PyMol also uses OpenGL. Did
> > > > Warren tell you
> > > > to upgrade to the newest PyMol as a means of
> > fixing
> > > > the problem, or
> > > > was this just coincidence? I'm curious if
> > Warren
> > > > found some workaround for
> > > > the driver bugs you're experiencing, or if it
> > just
> > > > happens to work.
> > > > Anyway, I'd suggest trying a different NVidia
> > driver
> > > > version and see if
> > > > that cures it, that's typically the solution to
> > this
> > > > type of problem.
> > > >
> > > > John Stone
> > > > vmd_at_ks.uiuc.edu
> > > >
> > > > On Tue, Sep 06, 2005 at 08:02:52AM -0700, Joseph
> > > > Fernandez wrote:
> > > > > Thanks for your prompt reply. I appreciate
> > it.
> > > > >
> > > > > I am using the 32-bit VMD. Below is the
> > version
> > > > that I
> > > > > have downloaded:
> > > > >
> > > > > LINUX OpenGL (Linux (Redhat 9 or later) with
> > Mesa
> > > > or
> > > > > hardware OpenGL)
> > > > >
> > > > > I was having a similar problem with the
> > program
> > > > PyMOL,
> > > > > which I believe uses OpenGL. But when I
> > upgraded
> > > > the
> > > > > program to the latest version (0.99), somehow
> > the
> > > > > problem went away. This is what prompted me
> > to
> > > > think
> > > > > that the problem was with imcompatibility
> > between
> > > > the
> > > > > latest distribution of VMD and perhaps the
> > video
> > > > card
> > > > > or the operating system. However, i do not
> > know
> > > > how
> > > > > to resolve the problem.
> > > > >
> > > > > Here is the output that I get from glxinfo:
> > > > >
> > > > > name of display: :0.0
> > > > > display: :0 screen: 0
> > > > > direct rendering: Yes
> > > > > server glx vendor string: NVIDIA Corporation
> > > > > server glx version string: 1.3
> > > > > server glx extensions:
> > > > > GLX_EXT_visual_info,
> > GLX_EXT_visual_rating,
> > > > > GLX_SGIX_fbconfig,
> > > > > GLX_SGIX_pbuffer, GLX_SGI_video_sync,
> > > > > GLX_SGI_swap_control,
> > > > > GLX_ARB_multisample, GLX_NV_float_buffer
> > > > > client glx vendor string: NVIDIA Corporation
> > > > > client glx version string: 1.3
> > > > > client glx extensions:
> > > > > GLX_ARB_get_proc_address,
> > GLX_ARB_multisample,
> > > > > GLX_EXT_visual_info,
> > > > > GLX_EXT_visual_rating,
> > GLX_EXT_import_context,
> > > > > GLX_SGI_video_sync,
> > > > > GLX_NV_swap_group, GLX_NV_video_out,
> > > > > GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
> > > > > GLX_SGI_swap_control, GLX_NV_float_buffer
> > > > > GLX extensions:
> > > > > GLX_EXT_visual_info,
> > GLX_EXT_visual_rating,
> > > > > GLX_SGIX_fbconfig,
> > > > > GLX_SGIX_pbuffer, GLX_SGI_video_sync,
> > > > > GLX_SGI_swap_control,
> > > > > GLX_ARB_multisample, GLX_NV_float_buffer,
> > > > > GLX_ARB_get_proc_address
> > > > > OpenGL vendor string: NVIDIA Corporation
> > > > > OpenGL renderer string: Quadro FX
> > 4400/PCI/SSE2
> > > > > OpenGL version string: 1.5.3 NVIDIA 71.67
> > > > > OpenGL extensions:
> > > > > GL_ARB_depth_texture,
> > GL_ARB_fragment_program,
> > > > > GL_ARB_fragment_program_shadow,
> > > > > GL_ARB_fragment_shader, 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_shader_objects,
> > > > > GL_ARB_shading_language_100,
> > > > > 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_dot3,
> > > > > GL_ARB_texture_mirrored_repeat,
> > > > > GL_ARB_texture_non_power_of_two,
> > > > > GL_ARB_texture_rectangle,
> > > > GL_ARB_transpose_matrix,
> > > > > GL_ARB_vertex_buffer_object,
> > > > > GL_ARB_vertex_program, GL_ARB_vertex_shader,
> > > > > GL_ARB_window_pos, GL_ATI_draw_buffers,
> > > > > GL_ATI_texture_float,
> > > > > GL_ATI_texture_mirror_once, GL_S3_s3tc,
> > > > > GL_EXT_texture_env_add,
> > > > > 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_compiled_vertex_array,
> > > > > GL_EXT_Cg_shader,
> > GL_EXT_depth_bounds_test,
> > > > > GL_EXT_draw_range_elements,
> > > > > GL_EXT_fog_coord,
> > GL_EXT_multi_draw_arrays,
> > > > > GL_EXT_packed_pixels,
> > > > > GL_EXT_pixel_buffer_object,
> > > > > 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_s3tc,
> > > > > GL_EXT_texture_cube_map,
> > > > > GL_EXT_texture_edge_clamp,
> > > > > 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_vertex_array,
> > > > > GL_HP_occlusion_test,
> > > > > GL_IBM_rasterpos_clip,
> > > > > GL_IBM_texture_mirrored_repeat,
> > > > > GL_KTX_buffer_region, GL_NV_blend_square,
> > > > > GL_NV_copy_depth_to_color,
> > > > > GL_NV_depth_clamp, GL_NV_fence,
> > > > > GL_NV_float_buffer, GL_NV_fog_distance,
> > > > > GL_NV_fragment_program,
> > > > > GL_NV_fragment_program_option,
> > > > > GL_NV_fragment_program2, GL_NV_half_float,
> > > > > GL_NV_light_max_exponent,
> > > > > GL_NV_multisample_filter_hint,
> > > > > GL_NV_occlusion_query,
> > > > > GL_NV_packed_depth_stencil,
> > > > > GL_NV_pixel_data_range, GL_NV_point_sprite,
> >
> === message truncated ===
>
>
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-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
Email: johns_at_ks.uiuc.edu                 Phone: 217-244-3349
  WWW: http://www.ks.uiuc.edu/~johns/      Fax: 217-244-6078