thank you..i am checking
but the game does give the following errors with the command ./glheretic
[SDLGLDrv/init] Loading OpenGL-library: libGL.so ...
[SDLGLDrv/init] loaded OpenGL-library: 0
Xlib: extension "XFree86-DRI" missing on display ":0.0".
[SDLGLDrv/init] red_size: requested 5 bits, got 5
[SDLGLDrv/init] green_size: requested 6 bits, got 6
[SDLGLDrv/init] blue_size: requested 5 bits, got 5
[SDLGLDrv/init] depth_size: requested 16 bits, got 16
[SDLGLDrv/init] OpenGL_doublebuffer: requested 1, got 1
[SDLGLdrv/init] OpenGL driver: 1.4.0 NVIDIA 44.96 (NVIDIA Corporation) GeForce2 MX/AGP
[SDLGLdrv/init] OpenGL Extensions: GL_ARB_imaging GL_ARB_multitexture GL_ARB_texture_cube_map GL_ARB_texture_env_add GL_ARB_texture_env_combine GL_ARB_texture_env_dot3 GL_EXT_abgr GL_EXT_blend_color GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_texture_env_add GL_EXT_texture_env_combine GL_EXT_texture_env_dot3 GL_EXT_texture_lod_bias
[SDLGLdrv/init] OpenGL driver doesn't support paletted textures
Fatal signal: Broken Pipe (SDL Parachute Deployed)