src/mesa/main/texutil.h

   1 /* $Id: texutil.h,v 1.11 2002/10/29 20:28:54 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.5
   6  *
   7  * Copyright (C) 1999-2001  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  * Authors:
  27  *    Gareth Hughes
  28  */
  29
  30
  31 #ifndef TEXUTIL_H
  32 #define TEXUTIL_H
  33
  34 #include "mtypes.h"
  35 #include "texformat.h"
  36
  37 extern GLboolean
  38 _mesa_convert_texsubimage1d( GLint mesaFormat,
  39                              GLint xoffset,
  40                              GLint width,
  41                              GLenum format, GLenum type,
  42                              const struct gl_pixelstore_attrib *packing,
  43                              const GLvoid *srcImage, GLvoid *dstImage );
  44
  45 extern GLboolean
  46 _mesa_convert_texsubimage2d( GLint mesaFormat,
  47                              GLint xoffset, GLint yoffset,
  48                              GLint width, GLint height,
  49                              GLint imageWidth,
  50                              GLenum format, GLenum type,
  51                              const struct gl_pixelstore_attrib *packing,
  52                              const GLvoid *srcImage, GLvoid *dstImage );
  53
  54 extern GLboolean
  55 _mesa_convert_texsubimage3d( GLint mesaFormat,
  56                              GLint xoffset, GLint yoffset, GLint zoffset,
  57                              GLint width, GLint height, GLint depth,
  58                              GLint imageWidth, GLint imageHeight,
  59                              GLenum format, GLenum type,
  60                              const struct gl_pixelstore_attrib *packing,
  61                              const GLvoid *srcImage, GLvoid *dstImage );
  62
  63 /* Nearest filtering only (for broken hardware that can't support
  64  * all aspect ratios).  FIXME: Make this a subimage update as well...
  65  */
  66 extern void
  67 _mesa_rescale_teximage2d( GLuint bytesPerPixel, GLuint dstRowStride,
  68                           GLint srcWidth, GLint srcHeight,
  69                           GLint dstWidth, GLint dstHeight,
  70                           const GLvoid *srcImage, GLvoid *dstImage );
  71
  72
  73 #endif