src/mesa/main/texcompress.h

   1 /* $Id: texcompress.h,v 1.2 2002/10/18 17:41:45 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  4.1
   6  *
   7  * Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 #ifndef TEXCOMPRESS_H
  28 #define TEXCOMPRESS_H
  29
  30 #include "mtypes.h"
  31
  32
  33 extern GLuint
  34 _mesa_get_compressed_formats( GLcontext *ctx, GLint *formats );
  35
  36 extern GLuint
  37 _mesa_compressed_texture_size( GLcontext *ctx,
  38                                GLsizei width, GLsizei height, GLsizei depth,
  39                                GLenum format );
  40
  41 extern GLint
  42 _mesa_compressed_row_stride(GLenum format, GLsizei width);
  43
  44
  45 extern GLubyte *
  46 _mesa_compressed_image_address(GLint col, GLint row, GLint img,
  47                                GLenum format,
  48                                GLsizei width, const GLubyte *image);
  49
  50
  51 extern void
  52 _mesa_compress_teximage( GLcontext *ctx, GLsizei width, GLsizei height,
  53                          GLenum srcFormat, const GLchan *source,
  54                          GLint srcRowStride,
  55                          const struct gl_texture_format *dstFormat,
  56                          GLubyte *dest, GLint dstRowStride );
  57
  58 #endif /* TEXCOMPRESS_H */