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186 lines
7.9 KiB
C++
186 lines
7.9 KiB
C++
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// 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
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included 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,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#ifndef NV_TT_COMPRESSDXT_H
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#define NV_TT_COMPRESSDXT_H
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#include <nvimage/nvimage.h>
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#include "nvtt.h"
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namespace nv
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{
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class Image;
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struct ColorBlock;
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struct CompressorInterface
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{
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virtual ~CompressorInterface() {}
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virtual void compress(nvtt::InputFormat inputFormat, nvtt::AlphaMode alphaMode, uint w, uint h, void * data, const nvtt::CompressionOptions::Private & compressionOptions, const nvtt::OutputOptions::Private & outputOptions) = 0;
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};
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struct FixedBlockCompressor : public CompressorInterface
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{
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virtual void compress(nvtt::InputFormat inputFormat, nvtt::AlphaMode alphaMode, uint w, uint h, void * data, const nvtt::CompressionOptions::Private & compressionOptions, const nvtt::OutputOptions::Private & outputOptions);
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output) = 0;
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virtual uint blockSize() const = 0;
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};
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// Fast CPU compressors.
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struct FastCompressorDXT1 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 8; }
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};
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struct FastCompressorDXT1a : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 8; }
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};
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struct FastCompressorDXT3 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; }
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};
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struct FastCompressorDXT5 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; }
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};
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struct FastCompressorDXT5n : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; }
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};
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struct FastCompressorBC4 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 8; }
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};
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struct FastCompressorBC5 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; }
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};
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// Normal CPU compressors.
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struct NormalCompressorDXT1 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 8; }
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};
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struct NormalCompressorDXT1a : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 8; }
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};
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struct NormalCompressorDXT3 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; }
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};
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struct NormalCompressorDXT5 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; }
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};
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struct NormalCompressorDXT5n : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; }
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};
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// Production CPU compressors.
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struct ProductionCompressorBC4 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 8; }
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};
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struct ProductionCompressorBC5 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; }
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};
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// External compressors.
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#if defined(HAVE_S3QUANT)
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struct S3CompressorDXT1 : public CompressorInterface
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{
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virtual void compress(nvtt::InputFormat inputFormat, nvtt::AlphaMode alphaMode, uint w, uint h, void * data, const nvtt::CompressionOptions::Private & compressionOptions, const nvtt::OutputOptions::Private & outputOptions);
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};
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#endif
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#if defined(HAVE_ATITC)
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struct AtiCompressorDXT1 : public CompressorInterface
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{
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virtual void compress(nvtt::InputFormat inputFormat, nvtt::AlphaMode alphaMode, uint w, uint h, void * data, const nvtt::CompressionOptions::Private & compressionOptions, const nvtt::OutputOptions::Private & outputOptions);
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};
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struct AtiCompressorDXT5 : public CompressorInterface
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{
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virtual void compress(nvtt::InputFormat inputFormat, nvtt::AlphaMode alphaMode, uint w, uint h, void * data, const nvtt::CompressionOptions::Private & compressionOptions, const nvtt::OutputOptions::Private & outputOptions);
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};
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#endif
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#if defined(HAVE_SQUISH)
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struct SquishCompressorDXT1 : public CompressorInterface
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{
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virtual void compress(nvtt::InputFormat inputFormat, nvtt::AlphaMode alphaMode, uint w, uint h, void * data, const nvtt::CompressionOptions::Private & compressionOptions, const nvtt::OutputOptions::Private & outputOptions);
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};
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#endif
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#if defined(HAVE_D3DX)
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struct D3DXCompressorDXT1 : public CompressorInterface
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{
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virtual void compress(nvtt::InputFormat inputFormat, nvtt::AlphaMode alphaMode, uint w, uint h, void * data, const nvtt::CompressionOptions::Private & compressionOptions, const nvtt::OutputOptions::Private & outputOptions);
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};
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#endif
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#if defined(HAVE_STB)
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struct StbCompressorDXT1 : public FixedBlockCompressor
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{
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virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 8; }
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};
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#endif
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} // nv namespace
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#endif // NV_TT_COMPRESSDXT_H
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