Xephyr, DRI, and compiz

Tue Sep 30 01:13:15 PDT 2008

I tried to get Xgl running with compiz.

skyul at dev:~$ Xgl :1 -ac &
[1] 22647
skyul at dev:~$ Could not init font path element
/usr/share/fonts/X11/TTF/, removing from list!
Could not init font path element /usr/share/fonts/X11/OTF, removing from list!
Could not init font path element /usr/share/fonts/X11/CID/, removing from list!

skyul at dev:~$ DISPLAY=:1 compiz &
[2] 22650
skyul at dev:~$ Checking for Xgl: FreeFontPath: FPE
"/usr/share/fonts/X11/misc/" refcount is 2, should be 1; fixing.
present.
Checking for nVidia: Could not init font path element
/usr/share/fonts/X11/TTF/, removing from list!
Could not init font path element /usr/share/fonts/X11/OTF, removing from list!
Could not init font path element /usr/share/fonts/X11/CID/, removing from list!
not present.
Checking for Xgl: FreeFontPath: FPE "/usr/share/fonts/X11/misc/"
refcount is 2, should be 1; fixing.
Could not init font path element /usr/share/fonts/X11/TTF/, removing from list!
Could not init font path element /usr/share/fonts/X11/OTF, removing from list!
Could not init font path element /usr/share/fonts/X11/CID/, removing from list!
present.
Enabling Xgl with nVidia drivers...
FreeFontPath: FPE "/usr/share/fonts/X11/misc/" refcount is 2, should
be 1; fixing.
Could not init font path element /usr/share/fonts/X11/TTF/, removing from list!
Could not init font path element /usr/share/fonts/X11/OTF, removing from list!
Could not init font path element /usr/share/fonts/X11/CID/, removing from list!
inotify_add_watch: No such file or directory
/usr/bin/compiz.real (video) - Warn: No 8 bit GLX pixmap format,
disabling YV12 image format
Starting gtk-window-decorator
GConf backend: There is an unsupported value at path
/apps/compiz/plugins/scale/allscreens/options/initiate_edge. Settings
from this path won't be read. Try to remove that value so that
operation can continue properly.

skyul at dev:~$ DISPLAY=:1 gnome-terminal &

Compiz seems to work, but glxinfo shows that only the Mesa software
renderer is available.

skyul at dev:~$ glxinfo
name of display: :1.0
display: :1  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_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_hyperpipe,
    GLX_SGIX_swap_barrier, GLX_SGIX_fbconfig
client glx vendor string: NVIDIA Corporation
client glx version string: 1.4
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_ARB_fbconfig_float,
    GLX_EXT_fbconfig_packed_float, GLX_EXT_texture_from_pixmap,
    GLX_EXT_framebuffer_sRGB, GLX_NV_present_video
GLX version: 1.2
GLX extensions:
    GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating,
    GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_SGIX_fbconfig,
    GLX_ARB_get_proc_address
OpenGL vendor string: Mesa project: www.mesa3d.org
OpenGL renderer string: Mesa GLX Indirect
OpenGL version string: 1.2 (2.1 Mesa 7.0.3)
OpenGL extensions:
    GL_ARB_depth_texture, GL_ARB_fragment_program, GL_ARB_imaging,
    GL_ARB_multitexture, GL_ARB_point_parameters, GL_ARB_point_sprite,
    GL_ARB_shadow, GL_ARB_texture_border_clamp, 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_vertex_program, GL_ARB_window_pos,
    GL_ATI_texture_mirror_once, GL_EXT_texture_env_add, GL_EXT_abgr,
    GL_EXT_bgra, GL_EXT_blend_color, GL_EXT_blend_func_separate,
    GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_clip_volume_hint,
    GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_object,
    GL_EXT_multi_draw_arrays, GL_EXT_packed_pixels, GL_EXT_rescale_normal,
    GL_EXT_secondary_color, GL_EXT_separate_specular_color,
    GL_EXT_shadow_funcs, GL_EXT_stencil_wrap, GL_EXT_texture3D,
    GL_EXT_texture_edge_clamp, GL_EXT_texture_env_combine,
    GL_EXT_texture_env_dot3, GL_EXT_texture_lod_bias, GL_EXT_texture_object,
    GL_EXT_vertex_array, GL_IBM_texture_mirrored_repeat, GL_NV_blend_square,
    GL_NV_texgen_reflection, GL_NV_texture_rectangle, GL_SGIS_generate_mipmap,
    GL_SGIS_texture_lod, GL_SGIX_depth_texture, GL_SGIX_shadow

   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
----------------------------------------------------------------------
0x2c 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0 774519349
859517232 None
0x2d 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0 825245046
1970875946 None
0x2e 32 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0 909327152
809330535 Ncon
0x2f 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 Ncon

In Xglx, glxgears consumes 100% CPU. How can I run an OpenGL program
with hardware acceleration in Xglx?

Regards,
Kwang Yul Seo

On Mon, Sep 29, 2008 at 7:07 PM, Thomas Ilnseher <illth at gmx.de> wrote:
>
> Am Freitag, den 26.09.2008, 13:42 -0700 schrieb Yan Seiner:
>> I am trying to get Xephyr running with compiz.  The following was
>> generated with xserver 1.5.0 and xephyr 1.5.0.  I've had the same results
>> with 1.5.1.
>
> Why not using Xglx ? (I know it's a bit rusted now, but it was specially
> designed to run compiz, and does layer itself above an existing X
> server)
>>
> --
> Thomas Ilnseher <illth at gmx.de>
>
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