121 lines
4.5 KiB
C++
121 lines
4.5 KiB
C++
#pragma once
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#include "ConvectionKernels_Util.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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template<int TVectorSize>
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class UnfinishedEndpoints
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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::SInt16 MSInt16;
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typedef ParallelMath::SInt32 MSInt32;
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UnfinishedEndpoints()
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{
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}
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UnfinishedEndpoints(const MFloat *base, const MFloat *offset)
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{
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for (int ch = 0; ch < TVectorSize; ch++)
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m_base[ch] = base[ch];
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for (int ch = 0; ch < TVectorSize; ch++)
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m_offset[ch] = offset[ch];
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}
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UnfinishedEndpoints(const UnfinishedEndpoints& other)
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{
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for (int ch = 0; ch < TVectorSize; ch++)
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m_base[ch] = other.m_base[ch];
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for (int ch = 0; ch < TVectorSize; ch++)
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m_offset[ch] = other.m_offset[ch];
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}
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void FinishHDRUnsigned(int tweak, int range, MSInt16 *outEP0, MSInt16 *outEP1, ParallelMath::RoundTowardNearestForScope *roundingMode)
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{
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float tweakFactors[2];
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Util::ComputeTweakFactors(tweak, range, tweakFactors);
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for (int ch = 0; ch < TVectorSize; ch++)
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{
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MUInt15 channelEPs[2];
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for (int epi = 0; epi < 2; epi++)
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{
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MFloat f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[epi], 0.0f, 31743.0f);
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channelEPs[epi] = ParallelMath::RoundAndConvertToU15(f, roundingMode);
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}
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outEP0[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(channelEPs[0]);
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outEP1[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(channelEPs[1]);
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}
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}
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void FinishHDRSigned(int tweak, int range, MSInt16* outEP0, MSInt16* outEP1, ParallelMath::RoundTowardNearestForScope* roundingMode)
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{
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float tweakFactors[2];
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Util::ComputeTweakFactors(tweak, range, tweakFactors);
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for (int ch = 0; ch < TVectorSize; ch++)
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{
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MSInt16 channelEPs[2];
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for (int epi = 0; epi < 2; epi++)
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{
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MFloat f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[epi], -31743.0f, 31743.0f);
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channelEPs[epi] = ParallelMath::RoundAndConvertToS16(f, roundingMode);
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}
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outEP0[ch] = channelEPs[0];
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outEP1[ch] = channelEPs[1];
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}
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}
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void FinishLDR(int tweak, int range, MUInt15* outEP0, MUInt15* outEP1)
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{
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ParallelMath::RoundTowardNearestForScope roundingMode;
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float tweakFactors[2];
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Util::ComputeTweakFactors(tweak, range, tweakFactors);
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for (int ch = 0; ch < TVectorSize; ch++)
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{
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MFloat ep0f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[0], 0.0f, 255.0f);
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MFloat ep1f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[1], 0.0f, 255.0f);
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outEP0[ch] = ParallelMath::RoundAndConvertToU15(ep0f, &roundingMode);
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outEP1[ch] = ParallelMath::RoundAndConvertToU15(ep1f, &roundingMode);
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}
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}
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template<int TNewVectorSize>
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UnfinishedEndpoints<TNewVectorSize> ExpandTo(float filler)
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{
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MFloat newBase[TNewVectorSize];
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MFloat newOffset[TNewVectorSize];
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for (int ch = 0; ch < TNewVectorSize && ch < TVectorSize; ch++)
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{
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newBase[ch] = m_base[ch];
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newOffset[ch] = m_offset[ch];
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}
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MFloat fillerV = ParallelMath::MakeFloat(filler);
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for (int ch = TVectorSize; ch < TNewVectorSize; ch++)
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{
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newBase[ch] = fillerV;
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newOffset[ch] = ParallelMath::MakeFloatZero();
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}
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return UnfinishedEndpoints<TNewVectorSize>(newBase, newOffset);
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}
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private:
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MFloat m_base[TVectorSize];
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MFloat m_offset[TVectorSize];
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};
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}
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}
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