reactos/dll/opengl/mesa/src/mesa/main/texcompress.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.1
   4  *
   5  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #ifndef TEXCOMPRESS_H
  26 #define TEXCOMPRESS_H
  27
  28 #include "formats.h"
  29 #include "glheader.h"
  30 #include "mfeatures.h"
  31
  32 struct gl_context;
  33
  34 #if _HAVE_FULL_GL
  35
  36 extern GLenum
  37 _mesa_gl_compressed_format_base_format(GLenum format);
  38
  39 extern GLuint
  40 _mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats);
  41
  42 extern gl_format
  43 _mesa_glenum_to_compressed_format(GLenum format);
  44
  45 extern GLenum
  46 _mesa_compressed_format_to_glenum(struct gl_context *ctx, GLuint mesaFormat);
  47
  48 extern GLubyte *
  49 _mesa_compressed_image_address(GLint col, GLint row, GLint img,
  50                                gl_format mesaFormat,
  51                                GLsizei width, const GLubyte *image);
  52
  53 extern void
  54 _mesa_decompress_image(gl_format format, GLuint width, GLuint height,
  55                        const GLubyte *src, GLint srcRowStride,
  56                        GLfloat *dest);
  57
  58 #else /* _HAVE_FULL_GL */
  59
  60 /* no-op macros */
  61 #define _mesa_get_compressed_formats( c, f ) 0
  62 #define _mesa_compressed_image_address(c, r, i, f, w, i2 ) 0
  63 #define _mesa_compress_teximage( c, w, h, sF, s, sRS, dF, d, drs ) ((void)0)
  64
  65 #endif /* _HAVE_FULL_GL */
  66
  67 #endif /* TEXCOMPRESS_H */