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- /* $Id: clip.h,v 1.1 1996/09/13 01:38:16 brianp Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 2.0
- * Copyright (C) 1995-1996 Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
- /*
- * $Log: clip.h,v $
- * Revision 1.1 1996/09/13 01:38:16 brianp
- * Initial revision
- *
- */
-
-
- #ifndef CLIP_H
- #define CLIP_H
-
-
- #include "types.h"
-
-
-
- #ifdef DEBUG
- # define GL_VIEWCLIP_POINT( V ) gl_viewclip_point( V )
- #else
- # define GL_VIEWCLIP_POINT( V ) \
- ( (V)[0] <= (V)[3] && (V)[0] >= -(V)[3] \
- && (V)[1] <= (V)[3] && (V)[1] >= -(V)[3] \
- && (V)[2] <= (V)[3] && (V)[2] >= -(V)[3] )
- #endif
-
-
-
-
- extern GLuint gl_viewclip_point( const GLfloat v[] );
-
- extern GLuint gl_viewclip_line( GLcontext* ctx, GLuint *i, GLuint *j );
-
- extern GLuint gl_viewclip_polygon( GLcontext* ctx, GLuint n, GLuint vlist[] );
-
-
-
- extern GLuint gl_userclip_point( GLcontext* ctx, const GLfloat v[] );
-
- extern GLuint gl_userclip_line( GLcontext* ctx, GLuint *i, GLuint *j );
-
- extern GLuint gl_userclip_polygon( GLcontext* ctx, GLuint n, GLuint vlist[] );
-
-
- extern void gl_ClipPlane( GLcontext* ctx,
- GLenum plane, const GLfloat *equation );
-
- extern void gl_GetClipPlane( GLcontext* ctx,
- GLenum plane, GLdouble *equation );
-
- #endif
-
-