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/**
 * \file teximage.h
 * Texture images manipulation functions.
 */

/*
 * Mesa 3-D graphics library
 * Version:  5.1
 *
 * Copyright (C) 1999-2003  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 TEXIMAGE_H
#define TEXIMAGE_H


#include "mtypes.h"


/** \name Internal functions */
/*@{*/

extern GLint
_mesa_base_tex_format( GLcontext *ctx, GLint format );


extern struct gl_texture_image *
_mesa_new_texture_image( GLcontext *ctx );


extern void
_mesa_delete_texture_image( struct gl_texture_image *teximage );


extern void
_mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
                           struct gl_texture_image *img,
                           GLsizei width, GLsizei height, GLsizei depth,
                           GLint border, GLenum internalFormat);


extern void
_mesa_set_tex_image(struct gl_texture_object *tObj,
                    GLenum target, GLint level,
                    struct gl_texture_image *texImage);


extern struct gl_texture_object *
_mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit,
                        GLenum target);


extern struct gl_texture_image *
_mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit,
                       GLenum target, GLint level);


extern struct gl_texture_image *
_mesa_get_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit,
                    GLenum target, GLint level);


extern struct gl_texture_image *
_mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level);


extern GLint
_mesa_max_texture_levels(GLcontext *ctx, GLenum target);


extern GLboolean
_mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
                         GLint internalFormat, GLenum format, GLenum type,
                         GLint width, GLint height, GLint depth, GLint border);

/*@}*/


/** \name API entry point functions */
/*@{*/

extern void GLAPIENTRY
_mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
                  GLsizei width, GLint border,
                  GLenum format, GLenum type, const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
                  GLsizei width, GLsizei height, GLint border,
                  GLenum format, GLenum type, const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
                  GLsizei width, GLsizei height, GLsizei depth, GLint border,
                  GLenum format, GLenum type, const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
                     GLsizei width, GLsizei height, GLsizei depth,
                     GLint border, GLenum format, GLenum type,
                     const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_GetTexImage( GLenum target, GLint level,
                   GLenum format, GLenum type, GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
                     GLsizei width,
                     GLenum format, GLenum type,
                     const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexSubImage2D( GLenum target, GLint level,
                     GLint xoffset, GLint yoffset,
                     GLsizei width, GLsizei height,
                     GLenum format, GLenum type,
                     const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexSubImage3D( GLenum target, GLint level,
                     GLint xoffset, GLint yoffset, GLint zoffset,
                     GLsizei width, GLsizei height, GLsizei depth,
                     GLenum format, GLenum type,
                     const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
                      GLint x, GLint y, GLsizei width, GLint border );


extern void GLAPIENTRY
_mesa_CopyTexImage2D( GLenum target, GLint level,
                      GLenum internalformat, GLint x, GLint y,
                      GLsizei width, GLsizei height, GLint border );


extern void GLAPIENTRY
_mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
                         GLint x, GLint y, GLsizei width );


extern void GLAPIENTRY
_mesa_CopyTexSubImage2D( GLenum target, GLint level,
                         GLint xoffset, GLint yoffset,
                         GLint x, GLint y, GLsizei width, GLsizei height );


extern void GLAPIENTRY
_mesa_CopyTexSubImage3D( GLenum target, GLint level,
                         GLint xoffset, GLint yoffset, GLint zoffset,
                         GLint x, GLint y, GLsizei width, GLsizei height );



extern void GLAPIENTRY
_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
                              GLenum internalformat, GLsizei width,
                              GLint border, GLsizei imageSize,
                              const GLvoid *data);

extern void GLAPIENTRY
_mesa_CompressedTexImage2DARB(GLenum target, GLint level,
                              GLenum internalformat, GLsizei width,
                              GLsizei height, GLint border, GLsizei imageSize,
                              const GLvoid *data);

extern void GLAPIENTRY
_mesa_CompressedTexImage3DARB(GLenum target, GLint level,
                              GLenum internalformat, GLsizei width,
                              GLsizei height, GLsizei depth, GLint border,
                              GLsizei imageSize, const GLvoid *data);

#ifdef VMS
#define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
#define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
#define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
#endif
extern void GLAPIENTRY
_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
                                 GLsizei width, GLenum format,
                                 GLsizei imageSize, const GLvoid *data);

extern void GLAPIENTRY
_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
                                 GLint yoffset, GLsizei width, GLsizei height,
                                 GLenum format, GLsizei imageSize,
                                 const GLvoid *data);

extern void GLAPIENTRY
_mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
                                 GLint yoffset, GLint zoffset, GLsizei width,
                                 GLsizei height, GLsizei depth, GLenum format,
                                 GLsizei imageSize, const GLvoid *data);

extern void GLAPIENTRY
_mesa_GetCompressedTexImageARB(GLenum target, GLint lod, GLvoid *img);

/*@}*/

#endif