src/mesa/main/texcompress.h

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