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Michael D. Crawford wrote:
>
> glxinfo says dri is not available if I remove the library as I did. So I
> rebuilt Mesa and reinstalled it. The full output of glxinfo on my machine
> follows. Note that it says "direct rendering: Yes" but the version strings
> don't match. Does that indicate the problem?
>
> Server: 1.3 Mesa 3.4
> Client: 1.2 Mesa 3.4
> OpenGL: 1.2 Mesa 3.4
>
> display: :0.0 screen:0
> direct rendering: Yes
> server glx vendor string: Brian Paul
> server glx version string: 1.3 Mesa 3.4
> server glx extensions:
> GLX_MESA_pixmap_colormap, GLX_EXT_visual_info, GLX_EXT_visual_rating,
> GLX_MESA_release_buffers, GLX_MESA_copy_sub_buffer, GLX_SGI_video_sync,
> GLX_ARB_get_proc_address
> client glx vendor string: Brian Paul
> client glx version string: 1.2 Mesa 3.4
> client glx extensions:
> GLX_MESA_pixmap_colormap, GLX_EXT_visual_info, GLX_EXT_visual_rating,
> GLX_MESA_release_buffers, GLX_MESA_copy_sub_buffer, GLX_SGI_video_sync,
> GLX_ARB_get_proc_address
> GLX extensions:
> GLX_MESA_pixmap_colormap, GLX_EXT_visual_info, GLX_EXT_visual_rating,
> GLX_MESA_release_buffers, GLX_MESA_copy_sub_buffer, GLX_SGI_video_sync,
> GLX_ARB_get_proc_address
> OpenGL vendor string: Brian Paul
> OpenGL renderer string: Mesa X11
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> OpenGL version string: 1.2 Mesa 3.4
> OpenGL extensions:
> ...

You are still using software Mesa. It's not using the DRI libGL.so,
simple as that.

You should see something like this:

demos> glxinfo
display: :0.0 screen:0
...
OpenGL vendor string: VA Linux Systems, Inc.
OpenGL renderer string: Mesa DRI Radeon 20010105 AGP 2x x86/3DNow!
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
OpenGL version string: 1.2 Mesa 3.4
OpenGL extensions:
GL_ARB_multitexture, GL_ARB_tranpose_matrix, GL_EXT_abgr,
GL_EXT_blend_func_separate, GL_EXT_clip_volume_hint,
GL_EXT_compiled_vertex_array, GL_EXT_histogram,
GL_EXT_packed_pixels,
GL_EXT_polygon_offset, GL_EXT_rescale_normal, GL_EXT_stencil_wrap,
GL_EXT_texture3D, GL_EXT_texture_env_add,
GL_EXT_texture_env_combine,
GL_EXT_texture_env_dot3, GL_EXT_texture_object,
GL_EXT_texture_lod_bias,
GL_EXT_vertex_array, GL_MESA_window_pos, GL_MESA_resize_buffers,
GL_NV_texgen_reflection, GL_PGI_misc_hints, GL_SGIS_pixel_texture,
GL_SGIS_texture_edge_clamp
...

Try running with LIBGL_DEBUG=verbose set. If you don't see the
following messages, you know for sure the DRI is not being used.

demos> LIBGL_DEBUG=verbose glxinfo
libGL: trying /usr/XF86/lib/modules/dri/radeon_dri.so
libGL: trying /usr/XF86/lib/modules/dri/radeon_dri.so
display: :0.0 screen:0
...

Try reading the DRI User's Guide at http://dri.sourceforge.net, or post
to dri-users@lists.sourceforge.net for help. It just sounds like a
config problem, not a bug in the kernel, Mesa or the DRI.

-- Gareth
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