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Old 11-30-04, 10:02 AM   #1
yccheok
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Join Date: Nov 2004
Posts: 3
Default Should I remove xorg-x11-Mesa-libGL

i follow exactly the instruction found in
http://www.fedorafaq.org/fc2/custom_nvidia.html to install NVIDIA-Linux-x86-1.0-6629-pkg1.run in my fedora core 2.

However, i DID NOT follow the instruction to remove the xorg-x11-Mesa-libGL package by

rpm -e --nodeps xorg-x11-Mesa-libGL

Everything seems work fine for me.

However, i am not sure whether this is a correct decision by not removing the xorg-x11-Mesa-libGL. Will it decrease the performance of my 3D application and no over head is cause by this xorg-x11-Mesa-libGL? How can i check whether my 3D driver is working fine?

thank you.

-cheok
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Old 11-30-04, 10:35 AM   #2
Anthaus
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Join Date: Jul 2002
Posts: 197
Default Re: Should I remove xorg-x11-Mesa-libGL

If you use yum or up2date to upgrade your system, chances are that when a new Mesa package is available it will be installed and the nvidia drivers won't work in 3D until you reinstall the nvidia driver again.
It's no big deal, actually. Open a console and type:

glxinfo

It should show you something like this (meaning: the driver is working fine):

name of display: :0.0
display: :0 screen: 0
direct rendering: Yes <----- If it says "No" then you DON'T have 3D acceleration at all.
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: GeForce FX 5900/AGP/SSE/3DNOW!
OpenGL version string: 1.5.2 NVIDIA 66.29
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_rectangle,
GL_ARB_transpose_matrix, GL_ARB_vertex_buffer_object,
GL_ARB_vertex_program, GL_ARB_vertex_shader, GL_ARB_window_pos,
GL_S3_s3tc, 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_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_paletted_texture,
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_shared_texture_palette, 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_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_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,
GL_NV_primitive_restart, GL_NV_register_combiners,
GL_NV_register_combiners2, GL_NV_texgen_reflection,
GL_NV_texture_compression_vtc, GL_NV_texture_env_combine4,
GL_NV_texture_expand_normal, GL_NV_texture_rectangle,
GL_NV_texture_shader, GL_NV_texture_shader2, GL_NV_texture_shader3,
GL_NV_vertex_array_range, GL_NV_vertex_array_range2, GL_NV_vertex_program,
GL_NV_vertex_program1_1, GL_NV_vertex_program2,
GL_NV_vertex_program2_option, GL_SGIS_generate_mipmap,
GL_SGIS_texture_lod, GL_SGIX_depth_texture, GL_SGIX_shadow,
GL_SUN_slice_accum
glu version: 1.3
glu extensions:
GLU_EXT_nurbs_tessellator, GLU_EXT_object_space_tess

This is for a 5900 card.
6800s will have more extensions and 4600s will have less extensions. Obviously, the extensions list for a TNT will be much shorter!
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