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59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include <ImageProcessing_precompiled.h>
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#include <Compressors/CTSquisher.h>
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#include <Compressors/PVRTC.h>
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#include <Compressors/ETC2.h>
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namespace ImageProcessing
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{
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ICompressorPtr ICompressor::FindCompressor(EPixelFormat fmt, bool isCompressing)
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{
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if (CTSquisher::IsCompressedPixelFormatSupported(fmt))
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{
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if (isCompressing || (!isCompressing && CTSquisher::DoesSupportDecompress(fmt)))
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{
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return ICompressorPtr(new CTSquisher());
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}
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}
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// Both ETC2Compressor and PVRTCCompressor can process ETC formats
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// According to Mobile team, Etc2Com is faster than PVRTexLib, so we check with ETC2Compressor before PVRTCCompressor
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// Note: with the test I have done, I found out it cost similar time for both Etc2Com and PVRTexLib to compress
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// a 2048x2048 test texture to EAC_R11 and EAC_RG11. It was around 7 minutes for EAC_R11 and 14 minutes for EAC_RG11
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if (ETC2Compressor::IsCompressedPixelFormatSupported(fmt))
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{
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if (isCompressing || (!isCompressing && ETC2Compressor::DoesSupportDecompress(fmt)))
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{
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return ICompressorPtr(new ETC2Compressor());
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}
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}
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if (PVRTCCompressor::IsCompressedPixelFormatSupported(fmt))
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{
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if (isCompressing || (!isCompressing && PVRTCCompressor::DoesSupportDecompress(fmt)))
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{
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return ICompressorPtr(new PVRTCCompressor());
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}
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}
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return nullptr;
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}
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ICompressor::~ICompressor()
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{
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}
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} // namespace ImageProcessing
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