hi im using gentoo with xgl and works great but i cant run doom3-demo on xgl i get an error about opengl video however if i run it withouth xgl it runs fine is there a way to fix this?

this is the error i get

DOOM 1.1.1286 linux-x86 Nov 28 2004 20:09:31
Hostname: localhost
Alias: alien
local IP: 127.0.0.1
------ Initializing File System ------
Loaded pk4 /opt/doom3-demo/demo/demo00.pk4 with checksum 0xfe75bbef
Current search path:
/root/.doom3-demo/demo
/opt/doom3-demo/demo
/opt/doom3-demo/demo/demo00.pk4 (12234 files)
game DLL: 0x0 in pak: 0x0
file system initialized.
--------------------------------------

Running in restricted demo mode.

----- Initializing Decls -----
------------------------------
------- Initializing renderSystem --------
using ARB renderSystem
renderSystem initialized.
--------------------------------------
5151 strings read from strings/english.lang
Couldn't open journal files
couldn't exec editor.cfg
execing default.cfg
couldn't exec DoomConfig.cfg
couldn't exec autoexec.cfg
5151 strings read from strings/english.lang
----- Initializing Sound System ------
sound system initialized.
--------------------------------------
----- R_InitOpenGL -----
Setup X display connection
dlopen(libGL.so.1)
Initializing OpenGL display
Xlib: extension "XFree86-VidModeExtension" missing on display ":1.0".
XFree86-VidModeExtension not available
Xlib: extension "XFree86-DGA" missing on display ":1.0".
Failed to detect DGA DirectVideo Mouse
Using 8/8/8 Color bits, 8 Alpha bits, 24 depth, 8 stencil display.
GL_RENDERER: GeForce 6800 Ultra/PCI/SSE2
GL_EXTENSIONS: GL_ARB_depth_texture 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_window_pos GL_ARB_texture_non_power_of_two GL_ARB_vertex_program GL_ARB_fragment_program 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_draw_range_elements GL_EXT_fog_coord 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_add GL_EXT_texture_env_combine GL_EXT_texture_env_dot3 GL_EXT_texture_lod GL_EXT_texture_lod_bias GL_EXT_texture_object GL_EXT_vertex_array GL_ATI_texture_mirror_once GL_HP_occlusion_test GL_IBM_texture_mirrored_repeat GL_NV_blend_square GL_NV_texgen_reflection GL_NV_texture_rectangle GL_NV_texture_env_combine4 GL_SGIS_generate_mipmap GL_SGIS_texture_lod GL_SGIX_depth_texture GL_SGIX_shadow

------- Input Initialization -------
XKB extension: compile time 0x1:0x0, runtime 0x1:0x0: OK
XKB extension present on server ( 0x1:0x0 )
------------------------------------
dlopen(libasound.so.2)
asoundlib version: 1.0.11rc4
Alsa is available
------ Alsa Sound Initialization -----
opened Alsa PCM device default for playback
device buffer size: 5461 frames ( 21844 bytes )
allocated a mix buffer of 16384 bytes
--------------------------------------
...using GL_ARB_multitexture
...using GL_ARB_texture_env_combine
...using GL_ARB_texture_cube_map
...using GL_ARB_texture_env_dot3
...using GL_ARB_texture_env_add
...using GL_ARB_texture_non_power_of_two
X..GL_ARB_texture_compression not found
X..GL_EXT_texture_filter_anisotropic not found
...using GL_EXT_texture_lod
...using GL_1.4_texture_lod_bias
X..GL_EXT_shared_texture_palette not found
...using GL_EXT_texture3D
...using GL_EXT_stencil_wrap
X..GL_NV_register_combiners not found
X..GL_EXT_stencil_two_side not found
X..GL_ATI_separate_stencil not found
X..GL_ATI_fragment_shader not found
X..GL_ATI_text_fragment_shader not found
X..GL_ARB_vertex_buffer_object not found
...using GL_ARB_vertex_program
...using GL_ARB_fragment_program
X..EXT_depth_bounds_test not found
---------- R_NV20_Init ----------
Not available.
----------- R200_Init -----------
Not available.
---------- R_ARB2_Init ----------
Available.
Cg not available.
---------------------------------
---------- R_Exp_Init -----------
Disabled at compile time.
---------------------------------
----- R_ReloadARBPrograms -----
glprogs/test.vfp
glprogs/test.vfp
glprogs/interaction.vfp
glprogs/interaction.vfp
glprogs/bumpyEnvironment.vfp
glprogs/bumpyEnvironment.vfp
glprogs/ambientLight.vfp
glprogs/ambientLight.vfp
glprogs/shadow.vp
glprogs/R200_interaction.vp
glprogs/nv20_bumpAndLight.vp
glprogs/nv20_diffuseColor.vp
glprogs/nv20_specularColor.vp
glprogs/nv20_diffuseAndSpecularColor.vp
glprogs/environment.vfp
glprogs/environment.vfp
-------------------------------
WARNING: vertex array range in virtual memory (SLOW)
signal caught: Segmentation fault
si_code 1
Trying to exit gracefully..
Shutting down sound hardware
----------- Alsa Shutdown ------------
close pcm
dlclose
--------------------------------------
idRenderSystem::Shutdown()