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/* $Id: texcompress.h,v 1.1 2003-02-28 11:42:04 pj Exp $ */
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/*
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 * Mesa 3-D graphics library
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 * Version:  4.1
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 *
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 * Copyright (C) 1999-2002  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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#ifndef TEXCOMPRESS_H
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#define TEXCOMPRESS_H
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#include "mtypes.h"
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extern GLuint
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_mesa_get_compressed_formats( GLcontext *ctx, GLint *formats );
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extern GLuint
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_mesa_compressed_texture_size( GLcontext *ctx,
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                               GLsizei width, GLsizei height, GLsizei depth,
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                               GLenum format );
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extern GLint
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_mesa_compressed_row_stride(GLenum format, GLsizei width);
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extern GLubyte *
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_mesa_compressed_image_address(GLint col, GLint row, GLint img,
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                               GLenum format,
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                               GLsizei width, const GLubyte *image);
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extern void
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_mesa_compress_teximage( GLcontext *ctx, GLsizei width, GLsizei height,
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                         GLenum srcFormat, const GLchan *source,
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                         GLint srcRowStride,
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                         const struct gl_texture_format *dstFormat,
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                         GLubyte *dest, GLint dstRowStride );
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#endif /* TEXCOMPRESS_H */