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nvidia-texture-tools/src/nvtt/CompressorDX9.h

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C++

// Copyright (c) 2009-2011 Ignacio Castano <castano@gmail.com>
// Copyright (c) 2007-2009 NVIDIA Corporation -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#ifndef NVTT_COMPRESSORDX9_H
#define NVTT_COMPRESSORDX9_H
#include "BlockCompressor.h"
namespace nv
{
struct ColorBlock;
// Fast CPU compressors.
struct FastCompressorDXT1a : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 8; }
};
struct FastCompressorDXT3 : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 16; }
};
struct FastCompressorDXT5 : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 16; }
};
struct FastCompressorDXT5n : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 16; }
};
// Normal CPU compressors.
struct CompressorDXT1a : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 8; }
};
struct CompressorDXT1_Luma : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 8; }
};
struct CompressorDXT3 : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 16; }
};
struct CompressorDXT5 : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 16; }
};
struct CompressorDXT5n : public ColorBlockCompressor
{
virtual void compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
virtual uint blockSize() const { return 16; }
};
} // nv namespace
#endif // NVTT_COMPRESSORDX9_H