RE: [FreeWRL] libGL error: reverting to (slow) indirect rendering

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----------------------------------------
> From: ale...@cr...
> To: fre...@li...
> Subject: Re: [FreeWRL] libGL error: reverting to (slow) indirect rendering
> Date: Tue, 18 Mar 2008 08:50:08 -0400
> 
> Hi Antares;
> 
> Welcome to the FreeWRL mailing list.
> 
> First, what version/distribution of FreeWRL are you using?

freewrl_1.20.2-1_i386.deb for Debian GNU/Linux lenny/sid 

> 
> 
>>
>> I am using freevrml with " VGA compatible controller: Intel  
>> Corporation 82945G/GZ Integrated Graphics Controller (rev 02)"
> 
> This should be ok, but you need to ensure that the OpenGL libraries  
> match the video card; accelerated graphics
> cards have special drivers that manipulate hardware directly.
> 
> Please note that the "Mesa" drivers are software only;  they will work  
> on any working graphics controller. The
> 3D scene will not be rendered quickly, but at least it will render.
> 
> Try the command "glxinfo" - it should print out a bunch of stuff, but  
> look for errors.

root@tlon:~# glxinfo
name of display: localhost:10.0
libGL error: open DRM failed (Operation not permitted)
libGL error: reverting to (slow) indirect rendering
display: localhost:10  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: 1.2
server glx extensions:
    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, 
    GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group
client glx vendor string: SGI
client glx version string: 1.4
client glx extensions:
    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory, 
    GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control, 
    GLX_MESA_swap_frame_usage, GLX_OML_swap_method, GLX_OML_sync_control, 
    GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
    GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap
GLX version: 1.2
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_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group, 
    GLX_EXT_texture_from_pixmap
OpenGL vendor string: Tungsten Graphics, Inc
OpenGL renderer string: Mesa DRI Intel(R) 945G 20061017 x86/MMX/SSE2
OpenGL version string: 1.3 Mesa 7.0.1
OpenGL extensions:
    GL_ARB_depth_texture, GL_ARB_fragment_program, GL_ARB_imaging, 
    GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_point_parameters, 
    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_rectangle, GL_ARB_transpose_matrix, GL_ARB_vertex_program, 
    GL_ARB_window_pos, 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_clip_volume_hint, 
    GL_EXT_copy_texture, GL_EXT_draw_range_elements, GL_EXT_fog_coord, 
    GL_EXT_multi_draw_arrays, GL_EXT_packed_pixels, GL_EXT_point_parameters, 
    GL_EXT_polygon_offset, GL_EXT_rescale_normal, GL_EXT_secondary_color, 
    GL_EXT_separate_specular_color, GL_EXT_shadow_funcs, GL_EXT_stencil_wrap, 
    GL_EXT_subtexture, GL_EXT_texture, GL_EXT_texture3D, 
    GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add, 
    GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3, 
    GL_EXT_texture_lod_bias, GL_EXT_texture_object, GL_EXT_texture_rectangle, 
    GL_EXT_vertex_array, GL_3DFX_texture_compression_FXT1, 
    GL_APPLE_packed_pixels, GL_IBM_texture_mirrored_repeat, 
    GL_INGR_blend_func_separate, GL_MESA_pack_invert, GL_MESA_ycbcr_texture, 
    GL_NV_blend_square, GL_NV_light_max_exponent, GL_NV_texgen_reflection, 
    GL_NV_texture_rectangle, GL_NV_vertex_program, GL_NV_vertex_program1_1, 
    GL_SGI_color_matrix, GL_SGI_color_table, GL_SGIS_generate_mipmap, 
    GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp, 
    GL_SGIS_texture_lod, GL_SGIX_depth_texture, GL_SUN_multi_draw_arrays

   visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
 id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------
0x23 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x24 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x25 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x26 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x27 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x28 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x29 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x2a 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x2b 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x2c 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x2d 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x2e 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x2f 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x30 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x31 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x32 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x6a 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 Ncon

> Try the command "glxgears"
> if it is installed on your system, and see if it looks like it runs  
> properly. Run these two commands from a
> "terminal" window to see problems.
>

I have a window 3D map with color red, green blue
root@tlon:~# glxgears
libGL error: open DRM failed (Operation not permitted)
libGL error: reverting to (slow) indirect rendering
10558 frames in 5.5 seconds = 1904.853 FPS
6957 frames in 5.2 seconds = 1331.113 FPS
6956 frames in 5.2 seconds = 1344.661 FPS
6892 frames in 5.2 seconds = 1316.081 FPS
6802 frames in 5.0 seconds = 1354.573 FPS
10402 frames in 5.1 seconds = 2059.509 FPS
13524 frames in 5.0 seconds = 2684.669 FPS
11852 frames in 5.1 seconds = 2318.415 FPS
13524 frames in 5.1 seconds = 2638.010 FPS
10402 frames in 5.6 seconds = 1859.190 FPS
7022 frames in 5.2 seconds = 1338.031 FPS

>>
>>
>> this is messgage error
>>
>> libGL error: reverting to (slow) indirect rendering
> 
> Ok - googled this error, and came up with the following which kind of  
> tells about the problem:
> 
>      http://www.damtp.cam.ac.uk/computing/numerical/faq-matlab.html -  
> look at topic 3.
> 
> I think the installation of OpenGL on your computer is not correct.  
> Some of the other links that
> were found might help. BTW, I entered the following into the google  
> search window:
> 
>      "libGL error: reverting to (slow) indirect rendering"
> 
> with the quotes at the beginning and the end.
> 
> 
>>
>> Warning: more than one line!
> 
> This is fixed in the latest code; all it is is the FreeWRL plugin  
> writing a line to the Firefox status line with
> a carriage return on it.
> 
>>
>> Could not find System Fonts for Text nodes
>> Could not find System Fonts for Text nodes
> 
> Ok - there are files missing from your FreeWRL install. The usual  
> place for them is in /usr/share/freewrl/fonts.
> Are they there? On one of my systems:
> 
> ls /usr/share/freewrl/fonts
> COPYRIGHT.TXT  README.TXT        VeraBd.ttf  VeraIt.ttf     
> VeraMoBI.ttf  VeraMono.ttf  VeraSe.ttf
> local.conf     RELEASENOTES.TXT  VeraBI.ttf  VeraMoBd.ttf   
> VeraMoIt.ttf  VeraSeBd.ttf  Vera.ttf
> 
> shows what should be seen.
> 
> Does this help??
> 
> -----------------------------------------------------------
> John A. Stewart
> Team Leader: Networked Virtual Reality
> ale...@cr...
> 
> Network Systems and Technologies -
>          Systemes et technologies des reseaux
> Communications Research Centre Canada  |
>           Centre de recherches sur les communications Canada
> 
> 3701 Carling Ave.  |  3701, avenue Carling
> PO Box 11490, Station H  |  CP 11490, succursale H
>           Ottawa ON K2H 8S2   |  Ottawa (Ontario) K2H 8S2
> 
> http://www.crc.ca
> 
> 
> 
> 
> 
> _______________________________________________
> FreeWRL mailing list
> Fr...@cr...

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