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/*
* Copyright (c) 2018, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <emmintrin.h>
#include "config/aom_dsp_rtcd.h"
#include "aom_dsp/x86/convolve.h"
// -----------------------------------------------------------------------------
void aom_highbd_filter_block1d4_v4_sse2(const uint16_t *src_ptr,
ptrdiff_t src_pitch, uint16_t *dst_ptr,
ptrdiff_t dst_pitch, uint32_t height,
const int16_t *filter, int bd) {
__m128i filtersReg;
__m128i srcReg2, srcReg3, srcReg4, srcReg5, srcReg6;
__m128i srcReg23_lo, srcReg34_lo;
__m128i srcReg45_lo, srcReg56_lo;
__m128i resReg23_lo, resReg34_lo, resReg45_lo, resReg56_lo;
__m128i resReg23_45_lo, resReg34_56_lo;
__m128i resReg23_45, resReg34_56;
__m128i addFilterReg64, secondFilters, thirdFilters;
unsigned int i;
ptrdiff_t src_stride, dst_stride;
const __m128i max = _mm_set1_epi16((1 << bd) - 1);
addFilterReg64 = _mm_set1_epi32(64);
filtersReg = _mm_loadu_si128((const __m128i *)filter);
// coeffs 0 1 0 1 2 3 2 3
const __m128i tmp0 = _mm_unpacklo_epi32(filtersReg, filtersReg);
// coeffs 4 5 4 5 6 7 6 7
const __m128i tmp1 = _mm_unpackhi_epi32(filtersReg, filtersReg);
secondFilters = _mm_unpackhi_epi64(tmp0, tmp0); // coeffs 2 3 2 3 2 3 2 3
thirdFilters = _mm_unpacklo_epi64(tmp1, tmp1); // coeffs 4 5 4 5 4 5 4 5
// multiply the size of the source and destination stride by two
src_stride = src_pitch << 1;
dst_stride = dst_pitch << 1;
srcReg2 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_pitch * 2));
srcReg3 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_pitch * 3));
srcReg23_lo = _mm_unpacklo_epi16(srcReg2, srcReg3);
srcReg4 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_pitch * 4));
srcReg34_lo = _mm_unpacklo_epi16(srcReg3, srcReg4);
for (i = height; i > 1; i -= 2) {
srcReg5 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_pitch * 5));
srcReg45_lo = _mm_unpacklo_epi16(srcReg4, srcReg5);
srcReg6 = _mm_loadl_epi64((const __m128i *)(src_ptr + src_pitch * 6));
srcReg56_lo = _mm_unpacklo_epi16(srcReg5, srcReg6);
// multiply 2 adjacent elements with the filter and add the result
resReg23_lo = _mm_madd_epi16(srcReg23_lo, secondFilters);
resReg34_lo = _mm_madd_epi16(srcReg34_lo, secondFilters);
resReg45_lo = _mm_madd_epi16(srcReg45_lo, thirdFilters);
resReg56_lo = _mm_madd_epi16(srcReg56_lo, thirdFilters);
resReg23_45_lo = _mm_add_epi32(resReg23_lo, resReg45_lo);
resReg34_56_lo = _mm_add_epi32(resReg34_lo, resReg56_lo);
// shift by 7 bit each 32 bit
resReg23_45_lo = _mm_add_epi32(resReg23_45_lo, addFilterReg64);
resReg34_56_lo = _mm_add_epi32(resReg34_56_lo, addFilterReg64);
resReg23_45_lo = _mm_srai_epi32(resReg23_45_lo, 7);
resReg34_56_lo = _mm_srai_epi32(resReg34_56_lo, 7);
// shrink to 16 bit each 32 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
resReg23_45 = _mm_packs_epi32(resReg23_45_lo, _mm_setzero_si128());
resReg34_56 = _mm_packs_epi32(resReg34_56_lo, _mm_setzero_si128());
resReg23_45 = _mm_max_epi16(resReg23_45, _mm_setzero_si128());
resReg23_45 = _mm_min_epi16(resReg23_45, max);
resReg34_56 = _mm_max_epi16(resReg34_56, _mm_setzero_si128());
resReg34_56 = _mm_min_epi16(resReg34_56, max);
src_ptr += src_stride;
_mm_storel_epi64((__m128i *)dst_ptr, (resReg23_45));
_mm_storel_epi64((__m128i *)(dst_ptr + dst_pitch), (resReg34_56));
dst_ptr += dst_stride;
// save part of the registers for next strides
srcReg23_lo = srcReg45_lo;
srcReg34_lo = srcReg56_lo;
srcReg4 = srcReg6;
}
}
void aom_highbd_filter_block1d4_h4_sse2(const uint16_t *src_ptr,
ptrdiff_t src_pitch, uint16_t *dst_ptr,
ptrdiff_t dst_pitch, uint32_t height,
const int16_t *filter, int bd) {
__m128i filtersReg;
__m128i addFilterReg64;
__m128i secondFilters, thirdFilters;
__m128i srcRegFilt32b1_1;
__m128i srcReg32b1;
unsigned int i;
src_ptr -= 3;
addFilterReg64 = _mm_set1_epi32(64);
filtersReg = _mm_loadu_si128((const __m128i *)filter);
const __m128i max = _mm_set1_epi16((1 << bd) - 1);
// coeffs 0 1 0 1 2 3 2 3
const __m128i tmp_0 = _mm_unpacklo_epi32(filtersReg, filtersReg);
// coeffs 4 5 4 5 6 7 6 7
const __m128i tmp_1 = _mm_unpackhi_epi32(filtersReg, filtersReg);
secondFilters = _mm_unpackhi_epi64(tmp_0, tmp_0); // coeffs 2 3 2 3 2 3 2 3
thirdFilters = _mm_unpacklo_epi64(tmp_1, tmp_1); // coeffs 4 5 4 5 4 5 4 5
for (i = height; i > 0; i -= 1) {
srcReg32b1 = _mm_loadu_si128((const __m128i *)(src_ptr + 2));
__m128i ss_3_1 = _mm_srli_si128(srcReg32b1, 2);
__m128i ss_4_1 = _mm_srli_si128(srcReg32b1, 4);
__m128i ss_5_1 = _mm_srli_si128(srcReg32b1, 6);
__m128i ss_23 = _mm_unpacklo_epi32(srcReg32b1, ss_3_1);
__m128i ss_45 = _mm_unpacklo_epi32(ss_4_1, ss_5_1);
ss_23 = _mm_madd_epi16(ss_23, secondFilters);
ss_45 = _mm_madd_epi16(ss_45, thirdFilters);
srcRegFilt32b1_1 = _mm_add_epi32(ss_23, ss_45);
// shift by 7 bit each 32 bit
srcRegFilt32b1_1 = _mm_add_epi32(srcRegFilt32b1_1, addFilterReg64);
srcRegFilt32b1_1 = _mm_srai_epi32(srcRegFilt32b1_1, 7);
srcRegFilt32b1_1 = _mm_packs_epi32(srcRegFilt32b1_1, _mm_setzero_si128());
srcRegFilt32b1_1 = _mm_max_epi16(srcRegFilt32b1_1, _mm_setzero_si128());
srcRegFilt32b1_1 = _mm_min_epi16(srcRegFilt32b1_1, max);
src_ptr += src_pitch;
_mm_storel_epi64((__m128i *)dst_ptr, srcRegFilt32b1_1);
dst_ptr += dst_pitch;
}
}
void aom_highbd_filter_block1d8_v4_sse2(const uint16_t *src_ptr,
ptrdiff_t src_pitch, uint16_t *dst_ptr,
ptrdiff_t dst_pitch, uint32_t height,
const int16_t *filter, int bd) {
__m128i filtersReg;
__m128i srcReg2, srcReg3, srcReg4, srcReg5, srcReg6;
__m128i srcReg23_lo, srcReg23_hi, srcReg34_lo, srcReg34_hi;
__m128i srcReg45_lo, srcReg45_hi, srcReg56_lo, srcReg56_hi;
__m128i resReg23_lo, resReg34_lo, resReg45_lo, resReg56_lo;
__m128i resReg23_hi, resReg34_hi, resReg45_hi, resReg56_hi;
__m128i resReg23_45_lo, resReg34_56_lo, resReg23_45_hi, resReg34_56_hi;
__m128i resReg23_45, resReg34_56;
__m128i addFilterReg64, secondFilters, thirdFilters;
unsigned int i;
ptrdiff_t src_stride, dst_stride;
const __m128i max = _mm_set1_epi16((1 << bd) - 1);
addFilterReg64 = _mm_set1_epi32(64);
filtersReg = _mm_loadu_si128((const __m128i *)filter);
// coeffs 0 1 0 1 2 3 2 3
const __m128i tmp0 = _mm_unpacklo_epi32(filtersReg, filtersReg);
// coeffs 4 5 4 5 6 7 6 7
const __m128i tmp1 = _mm_unpackhi_epi32(filtersReg, filtersReg);
secondFilters = _mm_unpackhi_epi64(tmp0, tmp0); // coeffs 2 3 2 3 2 3 2 3
thirdFilters = _mm_unpacklo_epi64(tmp1, tmp1); // coeffs 4 5 4 5 4 5 4 5
// multiple the size of the source and destination stride by two
src_stride = src_pitch << 1;
dst_stride = dst_pitch << 1;
srcReg2 = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 2));
srcReg3 = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 3));
srcReg23_lo = _mm_unpacklo_epi16(srcReg2, srcReg3);
srcReg23_hi = _mm_unpackhi_epi16(srcReg2, srcReg3);
srcReg4 = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 4));
srcReg34_lo = _mm_unpacklo_epi16(srcReg3, srcReg4);
srcReg34_hi = _mm_unpackhi_epi16(srcReg3, srcReg4);
for (i = height; i > 1; i -= 2) {
srcReg5 = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 5));
srcReg45_lo = _mm_unpacklo_epi16(srcReg4, srcReg5);
srcReg45_hi = _mm_unpackhi_epi16(srcReg4, srcReg5);
srcReg6 = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 6));
srcReg56_lo = _mm_unpacklo_epi16(srcReg5, srcReg6);
srcReg56_hi = _mm_unpackhi_epi16(srcReg5, srcReg6);
// multiply 2 adjacent elements with the filter and add the result
resReg23_lo = _mm_madd_epi16(srcReg23_lo, secondFilters);
resReg34_lo = _mm_madd_epi16(srcReg34_lo, secondFilters);
resReg45_lo = _mm_madd_epi16(srcReg45_lo, thirdFilters);
resReg56_lo = _mm_madd_epi16(srcReg56_lo, thirdFilters);
resReg23_45_lo = _mm_add_epi32(resReg23_lo, resReg45_lo);
resReg34_56_lo = _mm_add_epi32(resReg34_lo, resReg56_lo);
// multiply 2 adjacent elements with the filter and add the result
resReg23_hi = _mm_madd_epi16(srcReg23_hi, secondFilters);
resReg34_hi = _mm_madd_epi16(srcReg34_hi, secondFilters);
resReg45_hi = _mm_madd_epi16(srcReg45_hi, thirdFilters);
resReg56_hi = _mm_madd_epi16(srcReg56_hi, thirdFilters);
resReg23_45_hi = _mm_add_epi32(resReg23_hi, resReg45_hi);
resReg34_56_hi = _mm_add_epi32(resReg34_hi, resReg56_hi);
// shift by 7 bit each 32 bit
resReg23_45_lo = _mm_add_epi32(resReg23_45_lo, addFilterReg64);
resReg34_56_lo = _mm_add_epi32(resReg34_56_lo, addFilterReg64);
resReg23_45_hi = _mm_add_epi32(resReg23_45_hi, addFilterReg64);
resReg34_56_hi = _mm_add_epi32(resReg34_56_hi, addFilterReg64);
resReg23_45_lo = _mm_srai_epi32(resReg23_45_lo, 7);
resReg34_56_lo = _mm_srai_epi32(resReg34_56_lo, 7);
resReg23_45_hi = _mm_srai_epi32(resReg23_45_hi, 7);
resReg34_56_hi = _mm_srai_epi32(resReg34_56_hi, 7);
// shrink to 16 bit each 32 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
resReg23_45 = _mm_packs_epi32(resReg23_45_lo, resReg23_45_hi);
resReg34_56 = _mm_packs_epi32(resReg34_56_lo, resReg34_56_hi);
resReg23_45 = _mm_max_epi16(resReg23_45, _mm_setzero_si128());
resReg23_45 = _mm_min_epi16(resReg23_45, max);
resReg34_56 = _mm_max_epi16(resReg34_56, _mm_setzero_si128());
resReg34_56 = _mm_min_epi16(resReg34_56, max);
src_ptr += src_stride;
_mm_store_si128((__m128i *)dst_ptr, (resReg23_45));
_mm_store_si128((__m128i *)(dst_ptr + dst_pitch), (resReg34_56));
dst_ptr += dst_stride;
// save part of the registers for next strides
srcReg23_lo = srcReg45_lo;
srcReg23_hi = srcReg45_hi;
srcReg34_lo = srcReg56_lo;
srcReg34_hi = srcReg56_hi;
srcReg4 = srcReg6;
}
}
void aom_highbd_filter_block1d8_h4_sse2(const uint16_t *src_ptr,
ptrdiff_t src_pitch, uint16_t *dst_ptr,
ptrdiff_t dst_pitch, uint32_t height,
const int16_t *filter, int bd) {
__m128i filtersReg;
__m128i addFilterReg64;
__m128i secondFilters, thirdFilters;
__m128i srcRegFilt32b1_1, srcRegFilt32b1_2;
__m128i srcReg32b1, srcReg32b2;
unsigned int i;
src_ptr -= 3;
addFilterReg64 = _mm_set1_epi32(64);
filtersReg = _mm_loadu_si128((const __m128i *)filter);
const __m128i max = _mm_set1_epi16((1 << bd) - 1);
// coeffs 0 1 0 1 2 3 2 3
const __m128i tmp_0 = _mm_unpacklo_epi32(filtersReg, filtersReg);
// coeffs 4 5 4 5 6 7 6 7
const __m128i tmp_1 = _mm_unpackhi_epi32(filtersReg, filtersReg);
secondFilters = _mm_unpackhi_epi64(tmp_0, tmp_0); // coeffs 2 3 2 3 2 3 2 3
thirdFilters = _mm_unpacklo_epi64(tmp_1, tmp_1); // coeffs 4 5 4 5 4 5 4 5
for (i = height; i > 0; i -= 1) {
srcReg32b1 = _mm_loadu_si128((const __m128i *)(src_ptr + 2));
srcReg32b2 = _mm_loadu_si128((const __m128i *)(src_ptr + 6));
__m128i ss_4_1 = _mm_srli_si128(srcReg32b1, 4);
__m128i ss_4_2 = _mm_srli_si128(srcReg32b2, 4);
__m128i ss_4 = _mm_unpacklo_epi64(ss_4_1, ss_4_2);
__m128i d1 = _mm_madd_epi16(srcReg32b1, secondFilters);
__m128i d2 = _mm_madd_epi16(ss_4, thirdFilters);
srcRegFilt32b1_1 = _mm_add_epi32(d1, d2);
__m128i ss_3_1 = _mm_srli_si128(srcReg32b1, 2);
__m128i ss_5_1 = _mm_srli_si128(srcReg32b1, 6);
__m128i ss_3_2 = _mm_srli_si128(srcReg32b2, 2);
__m128i ss_5_2 = _mm_srli_si128(srcReg32b2, 6);
__m128i ss_3 = _mm_unpacklo_epi64(ss_3_1, ss_3_2);
__m128i ss_5 = _mm_unpacklo_epi64(ss_5_1, ss_5_2);
d1 = _mm_madd_epi16(ss_3, secondFilters);
d2 = _mm_madd_epi16(ss_5, thirdFilters);
srcRegFilt32b1_2 = _mm_add_epi32(d1, d2);
__m128i res_lo_1 = _mm_unpacklo_epi32(srcRegFilt32b1_1, srcRegFilt32b1_2);
__m128i res_hi_1 = _mm_unpackhi_epi32(srcRegFilt32b1_1, srcRegFilt32b1_2);
// shift by 7 bit each 32 bit
res_lo_1 = _mm_add_epi32(res_lo_1, addFilterReg64);
res_hi_1 = _mm_add_epi32(res_hi_1, addFilterReg64);
res_lo_1 = _mm_srai_epi32(res_lo_1, 7);
res_hi_1 = _mm_srai_epi32(res_hi_1, 7);
srcRegFilt32b1_1 = _mm_packs_epi32(res_lo_1, res_hi_1);
srcRegFilt32b1_1 = _mm_max_epi16(srcRegFilt32b1_1, _mm_setzero_si128());
srcRegFilt32b1_1 = _mm_min_epi16(srcRegFilt32b1_1, max);
src_ptr += src_pitch;
_mm_store_si128((__m128i *)dst_ptr, srcRegFilt32b1_1);
dst_ptr += dst_pitch;
}
}
void aom_highbd_filter_block1d16_v4_sse2(const uint16_t *src_ptr,
ptrdiff_t src_pitch, uint16_t *dst_ptr,
ptrdiff_t dst_pitch, uint32_t height,
const int16_t *filter, int bd) {
aom_highbd_filter_block1d8_v4_sse2(src_ptr, src_pitch, dst_ptr, dst_pitch,
height, filter, bd);
aom_highbd_filter_block1d8_v4_sse2((src_ptr + 8), src_pitch, (dst_ptr + 8),
dst_pitch, height, filter, bd);
}
void aom_highbd_filter_block1d16_h4_sse2(const uint16_t *src_ptr,
ptrdiff_t src_pitch, uint16_t *dst_ptr,
ptrdiff_t dst_pitch, uint32_t height,
const int16_t *filter, int bd) {
aom_highbd_filter_block1d8_h4_sse2(src_ptr, src_pitch, dst_ptr, dst_pitch,
height, filter, bd);
aom_highbd_filter_block1d8_h4_sse2((src_ptr + 8), src_pitch, (dst_ptr + 8),
dst_pitch, height, filter, bd);
}