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/* $Id: texutil.h,v 1.1 2003-02-28 11:42:06 pj Exp $ */
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/*
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 * Mesa 3-D graphics library
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 * Version:  3.5
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 *
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 * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 * Authors:
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 *    Gareth Hughes
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 */
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#ifndef TEXUTIL_H
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#define TEXUTIL_H
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#include "mtypes.h"
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#include "texformat.h"
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extern GLboolean
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_mesa_convert_texsubimage1d( GLint mesaFormat,
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                             GLint xoffset,
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                             GLint width,
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                             GLenum format, GLenum type,
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                             const struct gl_pixelstore_attrib *packing,
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                             const GLvoid *srcImage, GLvoid *dstImage );
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extern GLboolean
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_mesa_convert_texsubimage2d( GLint mesaFormat,
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                             GLint xoffset, GLint yoffset,
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                             GLint width, GLint height,
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                             GLint imageWidth,
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                             GLenum format, GLenum type,
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                             const struct gl_pixelstore_attrib *packing,
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                             const GLvoid *srcImage, GLvoid *dstImage );
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extern GLboolean
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_mesa_convert_texsubimage3d( GLint mesaFormat,
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                             GLint xoffset, GLint yoffset, GLint zoffset,
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                             GLint width, GLint height, GLint depth,
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                             GLint imageWidth, GLint imageHeight,
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                             GLenum format, GLenum type,
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                             const struct gl_pixelstore_attrib *packing,
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                             const GLvoid *srcImage, GLvoid *dstImage );
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/* Nearest filtering only (for broken hardware that can't support
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 * all aspect ratios).  FIXME: Make this a subimage update as well...
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 */
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extern void
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_mesa_rescale_teximage2d( GLuint bytesPerPixel, GLuint dstRowStride,
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                          GLint srcWidth, GLint srcHeight,
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                          GLint dstWidth, GLint dstHeight,
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                          const GLvoid *srcImage, GLvoid *dstImage );
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#endif