122 lines
4.5 KiB
C++
122 lines
4.5 KiB
C++
#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];
|
|
};
|
|
}
|
|
}
|