1const int GLUP_CLIP_STANDARD         = 0;
 
    2const int GLUP_CLIP_WHOLE_CELLS      = 1;
 
    3const int GLUP_CLIP_STRADDLING_CELLS = 2;
 
    4const int GLUP_CLIP_SLICE_CELLS      = 3;
 
    6const int GLUP_TEXTURE_1D = 1;
 
    7const int GLUP_TEXTURE_2D = 2;
 
    8const int GLUP_TEXTURE_3D = 3;
 
   10const int GLUP_TEXTURE_REPLACE  = 0;
 
   11const int GLUP_TEXTURE_MODULATE = 1;
 
   12const int GLUP_TEXTURE_ADD      = 2;
 
   14const int GLUP_PICK_PRIMITIVE   = 1;
 
   15const int GLUP_PICK_CONSTANT    = 2;
 
   17const int GLUP_POINTS      =0;
 
   18const int GLUP_LINES       =1;
 
   19const int GLUP_TRIANGLES   =2;
 
   20const int GLUP_QUADS       =3;
 
   21const int GLUP_TETRAHEDRA  =4;
 
   22const int GLUP_HEXAHEDRA   =5;
 
   23const int GLUP_PRISMS      =6;
 
   24const int GLUP_PYRAMIDS    =7;
 
   25const int GLUP_CONNECTORS  =8;
 
   26const int GLUP_SPHERES     =9;
 
   27const int GLUP_THICK_LINES =10;
 
   29const int GLUP_LIGHTING            =0;
 
   30const int GLUP_VERTEX_COLORS       =1;
 
   31const int GLUP_TEXTURING           =2;
 
   32const int GLUP_DRAW_MESH           =3;
 
   33const int GLUP_CLIPPING            =4;
 
   34const int GLUP_INDIRECT_TEXTURING  =5;
 
   35const int GLUP_VERTEX_NORMALS      =6;
 
   36const int GLUP_PICKING             =7;
 
   37const int GLUP_ALPHA_DISCARD       =8;
 
   38const int GLUP_NORMAL_MAPPING      =9;
 
   39const int GLUP_PRIMITIVE_FILTERING =10;