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105 lines
4.5 KiB
C++
105 lines
4.5 KiB
C++
#pragma once
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#ifndef __CVTT_BCCOMMON_H__
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#define __CVTT_BCCOMMON_H__
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#include "ConvectionKernels_AggregatedError.h"
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#include "ConvectionKernels_ParallelMath.h"
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namespace cvtt
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{
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namespace Internal
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{
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class BCCommon
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{
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public:
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typedef ParallelMath::Float MFloat;
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typedef ParallelMath::UInt16 MUInt16;
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typedef ParallelMath::UInt15 MUInt15;
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typedef ParallelMath::AInt16 MAInt16;
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typedef ParallelMath::SInt16 MSInt16;
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typedef ParallelMath::SInt32 MSInt32;
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static int TweakRoundsForRange(int range);
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template<int TVectorSize>
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static void ComputeErrorLDR(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], int numRealChannels, AggregatedError<TVectorSize> &aggError)
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{
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for (int ch = 0; ch < numRealChannels; ch++)
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aggError.Add(ParallelMath::SqDiffUInt8(reconstructed[ch], original[ch]), ch);
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}
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template<int TVectorSize>
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static void ComputeErrorLDR(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], AggregatedError<TVectorSize> &aggError)
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{
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ComputeErrorLDR<TVectorSize>(flags, reconstructed, original, TVectorSize, aggError);
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}
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template<int TVectorSize>
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static MFloat ComputeErrorLDRSimple(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], int numRealChannels, const float *channelWeightsSq)
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{
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AggregatedError<TVectorSize> aggError;
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ComputeErrorLDR<TVectorSize>(flags, reconstructed, original, numRealChannels, aggError);
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return aggError.Finalize(flags, channelWeightsSq);
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}
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template<int TVectorSize>
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static MFloat ComputeErrorHDRFast(uint32_t flags, const MSInt16 reconstructed[TVectorSize], const MSInt16 original[TVectorSize], const float channelWeightsSq[TVectorSize])
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{
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MFloat error = ParallelMath::MakeFloatZero();
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if (flags & Flags::Uniform)
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{
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for (int ch = 0; ch < TVectorSize; ch++)
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error = error + ParallelMath::SqDiffSInt16(reconstructed[ch], original[ch]);
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}
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else
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{
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for (int ch = 0; ch < TVectorSize; ch++)
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error = error + ParallelMath::SqDiffSInt16(reconstructed[ch], original[ch]) * ParallelMath::MakeFloat(channelWeightsSq[ch]);
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}
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return error;
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}
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template<int TVectorSize>
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static MFloat ComputeErrorHDRSlow(uint32_t flags, const MSInt16 reconstructed[TVectorSize], const MSInt16 original[TVectorSize], const float channelWeightsSq[TVectorSize])
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{
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MFloat error = ParallelMath::MakeFloatZero();
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if (flags & Flags::Uniform)
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{
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for (int ch = 0; ch < TVectorSize; ch++)
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error = error + ParallelMath::SqDiff2CL(reconstructed[ch], original[ch]);
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}
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else
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{
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for (int ch = 0; ch < TVectorSize; ch++)
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error = error + ParallelMath::SqDiff2CL(reconstructed[ch], original[ch]) * ParallelMath::MakeFloat(channelWeightsSq[ch]);
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}
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return error;
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}
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template<int TChannelCount>
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static void PreWeightPixelsLDR(MFloat preWeightedPixels[16][TChannelCount], const MUInt15 pixels[16][TChannelCount], const float channelWeights[TChannelCount])
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{
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for (int px = 0; px < 16; px++)
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{
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for (int ch = 0; ch < TChannelCount; ch++)
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preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]) * channelWeights[ch];
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}
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}
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template<int TChannelCount>
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static void PreWeightPixelsHDR(MFloat preWeightedPixels[16][TChannelCount], const MSInt16 pixels[16][TChannelCount], const float channelWeights[TChannelCount])
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{
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for (int px = 0; px < 16; px++)
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{
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for (int ch = 0; ch < TChannelCount; ch++)
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preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]) * channelWeights[ch];
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}
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}
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};
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}
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}
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#endif
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