texcompress.h

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/*
 * Mesa 3-D graphics library
 * Version:  6.5.1
 *
 * Copyright (C) 1999-2006  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 TEXCOMPRESS_H
#define TEXCOMPRESS_H

#include "mtypes.h"

#if _HAVE_FULL_GL

extern GLuint
_mesa_get_compressed_formats(GLcontext *ctx, GLint *formats, GLboolean all);

extern GLuint
_mesa_compressed_texture_size( GLcontext *ctx,
                               GLsizei width, GLsizei height, GLsizei depth,
                               GLuint mesaFormat );

extern GLuint
_mesa_compressed_texture_size_glenum(GLcontext *ctx,
                                     GLsizei width, GLsizei height,
                                     GLsizei depth, GLenum glformat);

extern GLint
_mesa_compressed_row_stride(GLuint mesaFormat, GLsizei width);


extern GLubyte *
_mesa_compressed_image_address(GLint col, GLint row, GLint img,
                               GLuint mesaFormat,
                               GLsizei width, const GLubyte *image);


extern void
_mesa_init_texture_s3tc( GLcontext *ctx );

extern void
_mesa_init_texture_fxt1( GLcontext *ctx );


#else /* _HAVE_FULL_GL */

/* no-op macros */
#define _mesa_get_compressed_formats( c, f ) 0
#define _mesa_compressed_texture_size( c, w, h, d, f ) 0
#define _mesa_compressed_texture_size_glenum( c, w, h, d, f ) 0
#define _mesa_compressed_row_stride( f, w) 0
#define _mesa_compressed_image_address(c, r, i, f, w, i2 ) 0
#define _mesa_compress_teximage( c, w, h, sF, s, sRS, dF, d, drs ) ((void)0)

#endif /* _HAVE_FULL_GL */

#endif /* TEXCOMPRESS_H */