#pragma once #include "ConvectionKernels_Util.h" namespace cvtt { namespace Internal { template<int TVectorSize> class UnfinishedEndpoints { public: typedef ParallelMath::Float MFloat; typedef ParallelMath::UInt16 MUInt16; typedef ParallelMath::UInt15 MUInt15; typedef ParallelMath::SInt16 MSInt16; typedef ParallelMath::SInt32 MSInt32; UnfinishedEndpoints() { } UnfinishedEndpoints(const MFloat *base, const MFloat *offset) { for (int ch = 0; ch < TVectorSize; ch++) m_base[ch] = base[ch]; for (int ch = 0; ch < TVectorSize; ch++) m_offset[ch] = offset[ch]; } UnfinishedEndpoints(const UnfinishedEndpoints& other) { for (int ch = 0; ch < TVectorSize; ch++) m_base[ch] = other.m_base[ch]; for (int ch = 0; ch < TVectorSize; ch++) m_offset[ch] = other.m_offset[ch]; } void FinishHDRUnsigned(int tweak, int range, MSInt16 *outEP0, MSInt16 *outEP1, ParallelMath::RoundTowardNearestForScope *roundingMode) { float tweakFactors[2]; Util::ComputeTweakFactors(tweak, range, tweakFactors); for (int ch = 0; ch < TVectorSize; ch++) { MUInt15 channelEPs[2]; for (int epi = 0; epi < 2; epi++) { MFloat f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[epi], 0.0f, 31743.0f); channelEPs[epi] = ParallelMath::RoundAndConvertToU15(f, roundingMode); } outEP0[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(channelEPs[0]); outEP1[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(channelEPs[1]); } } void FinishHDRSigned(int tweak, int range, MSInt16* outEP0, MSInt16* outEP1, ParallelMath::RoundTowardNearestForScope* roundingMode) { float tweakFactors[2]; Util::ComputeTweakFactors(tweak, range, tweakFactors); for (int ch = 0; ch < TVectorSize; ch++) { MSInt16 channelEPs[2]; for (int epi = 0; epi < 2; epi++) { MFloat f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[epi], -31743.0f, 31743.0f); channelEPs[epi] = ParallelMath::RoundAndConvertToS16(f, roundingMode); } outEP0[ch] = channelEPs[0]; outEP1[ch] = channelEPs[1]; } } void FinishLDR(int tweak, int range, MUInt15* outEP0, MUInt15* outEP1) { ParallelMath::RoundTowardNearestForScope roundingMode; float tweakFactors[2]; Util::ComputeTweakFactors(tweak, range, tweakFactors); for (int ch = 0; ch < TVectorSize; ch++) { MFloat ep0f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[0], 0.0f, 255.0f); MFloat ep1f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[1], 0.0f, 255.0f); outEP0[ch] = ParallelMath::RoundAndConvertToU15(ep0f, &roundingMode); outEP1[ch] = ParallelMath::RoundAndConvertToU15(ep1f, &roundingMode); } } template<int TNewVectorSize> UnfinishedEndpoints<TNewVectorSize> ExpandTo(float filler) { MFloat newBase[TNewVectorSize]; MFloat newOffset[TNewVectorSize]; for (int ch = 0; ch < TNewVectorSize && ch < TVectorSize; ch++) { newBase[ch] = m_base[ch]; newOffset[ch] = m_offset[ch]; } MFloat fillerV = ParallelMath::MakeFloat(filler); for (int ch = TVectorSize; ch < TNewVectorSize; ch++) { newBase[ch] = fillerV; newOffset[ch] = ParallelMath::MakeFloatZero(); } return UnfinishedEndpoints<TNewVectorSize>(newBase, newOffset); } private: MFloat m_base[TVectorSize]; MFloat m_offset[TVectorSize]; }; } }