/* $Id: texstate.h,v 1.1 1999/08/19 00:55:41 jtg Exp $ */

/*
 * Mesa 3-D graphics library
 * Version:  3.1
 * 
 * Copyright (C) 1999  Brian Paul   All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */





#ifndef TEXSTATE_H
#define TEXSTATE_H


#include "types.h"


/*** Called from API ***/

extern void gl_GetTexEnvfv( GLcontext *ctx,
                            GLenum target, GLenum pname, GLfloat *params );

extern void gl_GetTexEnviv( GLcontext *ctx,
                            GLenum target, GLenum pname, GLint *params );

extern void gl_GetTexGendv( GLcontext *ctx,
                            GLenum coord, GLenum pname, GLdouble *params );

extern void gl_GetTexGenfv( GLcontext *ctx,
                            GLenum coord, GLenum pname, GLfloat *params );

extern void gl_GetTexGeniv( GLcontext *ctx,
                            GLenum coord, GLenum pname, GLint *params );

extern void gl_GetTexLevelParameterfv( GLcontext *ctx,
                                       GLenum target, GLint level,
                                       GLenum pname, GLfloat *params );

extern void gl_GetTexLevelParameteriv( GLcontext *ctx,
                                       GLenum target, GLint level,
                                       GLenum pname, GLint *params );

extern void gl_GetTexParameterfv( GLcontext *ctx, GLenum target,
                                  GLenum pname, GLfloat *params );

extern void gl_GetTexParameteriv( GLcontext *ctx,
                                  GLenum target, GLenum pname, GLint *params );


extern void gl_TexEnvfv( GLcontext *ctx,
                         GLenum target, GLenum pname, const GLfloat *param );


extern void gl_TexParameterfv( GLcontext *ctx, GLenum target, GLenum pname,
                               const GLfloat *params );


extern void gl_TexGenfv( GLcontext *ctx,
                         GLenum coord, GLenum pname, const GLfloat *params );



extern void gl_SelectTextureTransform( GLcontext *ctx, GLenum target );


/*
 * GL_ARB_multitexture
 */
extern void gl_ActiveTexture( GLcontext *ctx, GLenum target );

extern void gl_ClientActiveTexture( GLcontext *ctx, GLenum target );



/*** Internal functions ***/

extern void 
gl_put_texobj_on_dirty_list( GLcontext *ctx, struct gl_texture_object *t );

#ifdef VMS
#define gl_remove_texobj_from_dirty_list gl_remove_texobj_from_dirty_lis
#endif
extern void
gl_remove_texobj_from_dirty_list( struct gl_shared_state *shared,
                                  struct gl_texture_object *tObj );

extern void
gl_update_dirty_texobjs( GLcontext *ctx );


#endif