FasTC/ASTCEncoder/include/ASTCCompressor.h
2014-02-27 16:19:34 -05:00

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3.5 KiB
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/* FasTC
* Copyright (c) 2014 University of North Carolina at Chapel Hill.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for educational, research, and non-profit purposes, without
* fee, and without a written agreement is hereby granted, provided that the
* above copyright notice, this paragraph, and the following four paragraphs
* appear in all copies.
*
* Permission to incorporate this software into commercial products may be
* obtained by contacting the authors or the Office of Technology Development
* at the University of North Carolina at Chapel Hill <otd@unc.edu>.
*
* This software program and documentation are copyrighted by the University of
* North Carolina at Chapel Hill. The software program and documentation are
* supplied "as is," without any accompanying services from the University of
* North Carolina at Chapel Hill or the authors. The University of North
* Carolina at Chapel Hill and the authors do not warrant that the operation of
* the program will be uninterrupted or error-free. The end-user understands
* that the program was developed for research purposes and is advised not to
* rely exclusively on the program for any reason.
*
* IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
* AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
* OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
* THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
* AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
* DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY
* STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
* AN "AS IS" BASIS, AND THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND
* THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
* ENHANCEMENTS, OR MODIFICATIONS.
*
* Please send all BUG REPORTS to <pavel@cs.unc.edu>.
*
* The authors may be contacted via:
*
* Pavel Krajcevski
* Dept of Computer Science
* 201 S Columbia St
* Frederick P. Brooks, Jr. Computer Science Bldg
* Chapel Hill, NC 27599-3175
* USA
*
* <http://gamma.cs.unc.edu/FasTC/>
*/
#ifndef ASTCENCODER_INCLUDE_ASTCCOMPRESSOR_H_
#define ASTCENCODER_INCLUDE_ASTCCOMPRESSOR_H_
#include "CompressionJob.h"
namespace ASTCC {
// The size of the block for the ASTC data. This needs to be supplied
// for every block stream, since ASTC defines texel weights to be less
// than or equal to the block size in order to save bits when decompressing
enum EASTCBlockSize {
eASTCBlockSize_4x4,
eASTCBlockSize_5x4,
eASTCBlockSize_5x5,
eASTCBlockSize_6x5,
eASTCBlockSize_6x6,
eASTCBlockSize_8x5,
eASTCBlockSize_8x6,
eASTCBlockSize_8x8,
eASTCBlockSize_10x5,
eASTCBlockSize_10x6,
eASTCBlockSize_10x8,
eASTCBlockSize_10x10,
eASTCBlockSize_12x10,
eASTCBlockSize_12x12,
};
// Takes a stream of compressed ASTC data and decompresses it into R8G8B8A8
// format. The block size must be specified in order to properly
// decompress the data.
void Decompress(const FasTC::DecompressionJob &,
EASTCBlockSize blockSize);
} // namespace ASTCC
#endif // ASTCENCODER_INCLUDE_ASTCCOMPRESSOR_H_