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78 lines
2.1 KiB
C++
78 lines
2.1 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_COMPRESSIONOPTIONS_H
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#define NV_TT_COMPRESSIONOPTIONS_H
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#include <nvcore/StrLib.h>
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#include <nvmath/Vector.h>
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#include "nvtt.h"
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namespace nvtt
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{
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struct CompressionOptions::Private
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{
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Format format;
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Quality quality;
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nv::Vector4 colorWeight;
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// Pixel format description.
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uint bitcount;
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uint rmask;
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uint gmask;
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uint bmask;
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uint amask;
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uint8 rsize;
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uint8 gsize;
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uint8 bsize;
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uint8 asize;
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PixelType pixelType;
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uint pitchAlignment;
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nv::String externalCompressor;
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// Quantization.
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bool enableColorDithering;
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bool enableAlphaDithering;
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bool binaryAlpha;
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int alphaThreshold; // reference value used for binary alpha quantization.
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uint getBitCount() const
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{
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if (format == Format_RGBA) {
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if (bitcount != 0) return bitcount;
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else return rsize + gsize + bsize + asize;
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}
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return 0;
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}
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};
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} // nvtt namespace
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#endif // NV_TT_COMPRESSIONOPTIONS_H
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