显卡信息，没有glxinfo，是从NVIDIA X Server Settings里的OpenGL/GLX Information里弄出来的信息，帮忙分析下
GLX Information
Direct Rendering:Yes
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_EXT_texture_from_pixmap
GLX_ARB_multisample
GLX_NV_float_buffer
GLX_ARB_get_proc_address
SERVER GLX INFORMATION
VENDOR: NVIDIA Corporation
Version: 1.4
Extensions: GLX_EXT_visual_info
GLX_EXT_visual_rating
GLX_SGIX_fbconfig
GLX_SGIX_pbuffer
GLX_SGI_video_sync
GLX_SGI_swap_control
GLX_EXT_texture_from_pixmap
GLX_ARB_multisample
GLX_NV_float_buffer
Client GLX Information
Vendor: nvidia Corporation
Version:1.4
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
OpenGL Information
Verdor: nvidia Corporation
Renderer: Geforce FX 5200/AGP/SSE2
Version:2.1.2 nvidia 169.07
Extensions: GL_ARB_depth_texture
GL_ARB_fragment_program
GL_ARB_fragment_program_shadow
GL_ARB_fragment_shader
GL_ARB_half_float_pixel
GL_ARB_imaging
GL_ARB_multisample
GL_ARB_multitexture
GL_ARB_occlusion_query
GL_ARB_pixel_buffer_object
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_draw_range_elements
GL_EXT_fog_coord
GL_EXT_framebuffer_blit
GL_EXT_framebuffer_multisample
GL_EXT_framebuffer_object
GL_EXT_gpu_program_parameters
GL_EXT_multi_draw_arrays
GL_EXT_packed_depth_stencil
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_texture_sRGB
GL_EXT_timer_query
GL_EXT_vertex_array
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_framebuffer_multisample_coverage
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
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d-_-j
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