101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_S3TC_COMPRESSOR_H
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#define NL_S3TC_COMPRESSOR_H
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#include <nel/misc/types_nl.h>
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#include <nel/misc/bitmap.h>
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#include <nel/misc/stream.h>
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// ***************************************************************************
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#define DXT1 1
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#define DXT1A 11
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#define DXT3 3
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#define DXT5 5
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#ifndef DDSD_CAPS
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// flags to be used for DDS_HEADER
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#define DDSD_CAPS 0x00000001l // default
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#define DDSD_WIDTH 0x00000004l
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#define DDSD_HEIGHT 0x00000002l
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#define DDSD_PIXELFORMAT 0x00001000l
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#define DDSD_MIPMAPCOUNT 0x00020000l
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#define DDPF_FOURCC 0x00000004l
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#define DDSCAPS_TEXTURE 0x00001000l
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#define DDSCAPS_MIPMAP 0x00400000l
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#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
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((uint32)(uint8)(ch0) | ((uint32)(uint8)(ch1) << 8) | \
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((uint32)(uint8)(ch2) << 16) | ((uint32)(uint8)(ch3) << 24 ))
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#endif
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// ***************************************************************************
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/**
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* From a bitmap, build the high quality DDS, and output in a stream
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* \author Lionel Berenguier
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* \author Nevrax France
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* \date 2002
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*/
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class CS3TCCompressor
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{
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public:
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/// Constructor
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CS3TCCompressor();
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void compress(const NLMISC::CBitmap &bmpSrc, bool optMipMap, uint algo, NLMISC::IStream &output);
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typedef struct
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{
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uint32 dwSize;
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uint32 dwFlags;
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uint32 dwFourCC;
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uint32 dwRGBBitCount;
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uint32 dwRBitMask;
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uint32 dwGBitMask;
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uint32 dwBBitMask;
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uint32 dwABitMask;
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} DDS_PIXELFORMAT;
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typedef struct
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{
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uint32 dwSize;
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uint32 dwFlags;
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uint32 dwHeight;
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uint32 dwWidth;
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uint32 dwLinearSize;
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uint32 dwDepth;
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uint32 dwMipMapCount;
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uint32 dwReserved1[11];
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DDS_PIXELFORMAT ddpf;
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uint32 dwCaps;
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uint32 dwCaps2;
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uint32 dwCaps3;
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uint32 dwCaps4;
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uint32 dwReserved2;
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} DDS_HEADER;
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};
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#endif // NL_S3TC_COMPRESSOR_H
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/* End of s3tc_compressor.h */
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