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/*
* Simd Library (http://ermig1979.github.io/Simd).
*
* Copyright (c) 2011-2017 Yermalayeu Ihar.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "Simd/SimdMemory.h"
#include "Simd/SimdStore.h"
#include "Simd/SimdCompare.h"
namespace Simd
{
#ifdef SIMD_NEON_ENABLE
namespace Neon
{
template <SimdOperationBinary8uType type> SIMD_INLINE uint8x16_t OperationBinary8u(const uint8x16_t & a, const uint8x16_t & b);
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uAverage>(const uint8x16_t & a, const uint8x16_t & b)
{
return vrhaddq_u8(a, b);
}
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uAnd>(const uint8x16_t & a, const uint8x16_t & b)
{
return vandq_u8(a, b);
}
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uOr>(const uint8x16_t & a, const uint8x16_t & b)
{
return vorrq_u8(a, b);
}
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uMaximum>(const uint8x16_t & a, const uint8x16_t & b)
{
return vmaxq_u8(a, b);
}
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uMinimum>(const uint8x16_t & a, const uint8x16_t & b)
{
return vminq_u8(a, b);
}
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uSaturatedSubtraction>(const uint8x16_t & a, const uint8x16_t & b)
{
return vqsubq_u8(a, b);
}
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uSaturatedAddition>(const uint8x16_t & a, const uint8x16_t & b)
{
return vqaddq_u8(a, b);
}
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uSubtraction>(const uint8x16_t & a, const uint8x16_t & b)
{
return vsubq_u8(a, b);
}
template <> SIMD_INLINE uint8x16_t OperationBinary8u<SimdOperationBinary8uAddition>(const uint8x16_t & a, const uint8x16_t & b)
{
return vaddq_u8(a, b);
}
template <bool align, SimdOperationBinary8uType type> void OperationBinary8u(const uint8_t * a, size_t aStride, const uint8_t * b, size_t bStride,
size_t width, size_t height, size_t channelCount, uint8_t * dst, size_t dstStride)
{
assert(width*channelCount >= A);
if (align)
assert(Aligned(a) && Aligned(aStride) && Aligned(b) && Aligned(bStride) && Aligned(dst) && Aligned(dstStride));
size_t size = channelCount*width;
size_t alignedSize = Simd::AlignLo(size, A);
for (size_t row = 0; row < height; ++row)
{
for (size_t offset = 0; offset < alignedSize; offset += A)
{
const uint8x16_t a_ = Load<align>(a + offset);
const uint8x16_t b_ = Load<align>(b + offset);
Store<align>(dst + offset, OperationBinary8u<type>(a_, b_));
}
if (alignedSize != size)
{
const uint8x16_t a_ = Load<false>(a + size - A);
const uint8x16_t b_ = Load<false>(b + size - A);
Store<false>(dst + size - A, OperationBinary8u<type>(a_, b_));
}
a += aStride;
b += bStride;
dst += dstStride;
}
}
template <bool align> void OperationBinary8u(const uint8_t * a, size_t aStride, const uint8_t * b, size_t bStride,
size_t width, size_t height, size_t channelCount, uint8_t * dst, size_t dstStride, SimdOperationBinary8uType type)
{
switch (type)
{
case SimdOperationBinary8uAverage:
return OperationBinary8u<align, SimdOperationBinary8uAverage>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
case SimdOperationBinary8uAnd:
return OperationBinary8u<align, SimdOperationBinary8uAnd>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
case SimdOperationBinary8uOr:
return OperationBinary8u<align, SimdOperationBinary8uOr>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
case SimdOperationBinary8uMaximum:
return OperationBinary8u<align, SimdOperationBinary8uMaximum>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
case SimdOperationBinary8uMinimum:
return OperationBinary8u<align, SimdOperationBinary8uMinimum>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
case SimdOperationBinary8uSaturatedSubtraction:
return OperationBinary8u<align, SimdOperationBinary8uSaturatedSubtraction>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
case SimdOperationBinary8uSaturatedAddition:
return OperationBinary8u<align, SimdOperationBinary8uSaturatedAddition>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
case SimdOperationBinary8uSubtraction:
return OperationBinary8u<align, SimdOperationBinary8uSubtraction>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
case SimdOperationBinary8uAddition:
return OperationBinary8u<align, SimdOperationBinary8uAddition>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride);
default:
assert(0);
}
}
void OperationBinary8u(const uint8_t * a, size_t aStride, const uint8_t * b, size_t bStride,
size_t width, size_t height, size_t channelCount, uint8_t * dst, size_t dstStride, SimdOperationBinary8uType type)
{
if (Aligned(a) && Aligned(aStride) && Aligned(b) && Aligned(bStride) && Aligned(dst) && Aligned(dstStride))
OperationBinary8u<true>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride, type);
else
OperationBinary8u<false>(a, aStride, b, bStride, width, height, channelCount, dst, dstStride, type);
}
}
#endif// SIMD_NEON_ENABLE
}
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