/* $Id: texture.h,v 1.8 1997/11/13 02:17:32 brianp Exp $ */

/*
 * Mesa 3-D graphics library
 * Version:  2.5
 * Copyright (C) 1995-1997  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: texture.h,v $
 * Revision 1.8  1997/11/13 02:17:32  brianp
 * added a few const keywords
 *
 * Revision 1.7  1997/05/03 00:53:56  brianp
 * all-new texture sampling via gl_texture_object's SampleFunc pointer
 *
 * Revision 1.6  1997/04/14 02:02:39  brianp
 * moved many functions into new texstate.c file
 *
 * Revision 1.5  1997/02/09 18:53:14  brianp
 * added GL_EXT_texture3D support
 *
 * Revision 1.4  1997/01/09 19:48:58  brianp
 * added gl_texturing_enabled()
 *
 * Revision 1.3  1996/11/14 01:03:09  brianp
 * removed const's from gl_texgen() function to avoid VMS compiler warning
 *
 * Revision 1.2  1996/11/08 02:20:09  brianp
 * gl_do_texgen() replaced with gl_texgen()
 *
 * Revision 1.1  1996/09/13 01:38:16  brianp
 * Initial revision
 *
 */


#ifndef TEXTURE_H
#define TEXTURE_H


#include "types.h"


extern void gl_texgen( GLcontext *ctx, GLint n,
                       GLfloat obj[][4], GLfloat eye[][4],
                       GLfloat normal[][3], GLfloat texcoord[][4] );



extern void gl_set_texture_sampler( struct gl_texture_object *t );



extern void gl_texture_pixels( GLcontext *ctx, GLuint n,
                               const GLfloat s[], const GLfloat t[],
                               const GLfloat r[],
                               const GLfloat lambda[],
                               GLubyte red[], GLubyte green[],
                               GLubyte blue[], GLubyte alpha[] );


#endif