src/mesa/main/texutil.h

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