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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/masked_variance_intrin_ssse3.c | 1065 |
1 files changed, 1065 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/masked_variance_intrin_ssse3.c b/third_party/aom/aom_dsp/x86/masked_variance_intrin_ssse3.c new file mode 100644 index 0000000000..ebf4631ba7 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/masked_variance_intrin_ssse3.c @@ -0,0 +1,1065 @@ +/* + * Copyright (c) 2017, 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 <stdlib.h> +#include <string.h> +#include <tmmintrin.h> + +#include "config/aom_config.h" +#include "config/aom_dsp_rtcd.h" + +#include "aom/aom_integer.h" +#include "aom_dsp/aom_filter.h" +#include "aom_dsp/blend.h" +#include "aom_dsp/x86/masked_variance_intrin_ssse3.h" +#include "aom_dsp/x86/synonyms.h" +#include "aom_ports/mem.h" + +// For width a multiple of 16 +static void bilinear_filter(const uint8_t *src, int src_stride, int xoffset, + int yoffset, uint8_t *dst, int w, int h); + +static void bilinear_filter8xh(const uint8_t *src, int src_stride, int xoffset, + int yoffset, uint8_t *dst, int h); + +static void bilinear_filter4xh(const uint8_t *src, int src_stride, int xoffset, + int yoffset, uint8_t *dst, int h); + +// For width a multiple of 16 +static void masked_variance(const uint8_t *src_ptr, int src_stride, + const uint8_t *a_ptr, int a_stride, + const uint8_t *b_ptr, int b_stride, + const uint8_t *m_ptr, int m_stride, int width, + int height, unsigned int *sse, int *sum_); + +static void masked_variance8xh(const uint8_t *src_ptr, int src_stride, + const uint8_t *a_ptr, const uint8_t *b_ptr, + const uint8_t *m_ptr, int m_stride, int height, + unsigned int *sse, int *sum_); + +static void masked_variance4xh(const uint8_t *src_ptr, int src_stride, + const uint8_t *a_ptr, const uint8_t *b_ptr, + const uint8_t *m_ptr, int m_stride, int height, + unsigned int *sse, int *sum_); + +#define MASK_SUBPIX_VAR_SSSE3(W, H) \ + unsigned int aom_masked_sub_pixel_variance##W##x##H##_ssse3( \ + const uint8_t *src, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref, int ref_stride, const uint8_t *second_pred, \ + const uint8_t *msk, int msk_stride, int invert_mask, \ + unsigned int *sse) { \ + int sum; \ + uint8_t temp[(H + 1) * W]; \ + \ + bilinear_filter(src, src_stride, xoffset, yoffset, temp, W, H); \ + \ + if (!invert_mask) \ + masked_variance(ref, ref_stride, temp, W, second_pred, W, msk, \ + msk_stride, W, H, sse, &sum); \ + else \ + masked_variance(ref, ref_stride, second_pred, W, temp, W, msk, \ + msk_stride, W, H, sse, &sum); \ + return *sse - (uint32_t)(((int64_t)sum * sum) / (W * H)); \ + } + +#define MASK_SUBPIX_VAR8XH_SSSE3(H) \ + unsigned int aom_masked_sub_pixel_variance8x##H##_ssse3( \ + const uint8_t *src, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref, int ref_stride, const uint8_t *second_pred, \ + const uint8_t *msk, int msk_stride, int invert_mask, \ + unsigned int *sse) { \ + int sum; \ + uint8_t temp[(H + 1) * 8]; \ + \ + bilinear_filter8xh(src, src_stride, xoffset, yoffset, temp, H); \ + \ + if (!invert_mask) \ + masked_variance8xh(ref, ref_stride, temp, second_pred, msk, msk_stride, \ + H, sse, &sum); \ + else \ + masked_variance8xh(ref, ref_stride, second_pred, temp, msk, msk_stride, \ + H, sse, &sum); \ + return *sse - (uint32_t)(((int64_t)sum * sum) / (8 * H)); \ + } + +#define MASK_SUBPIX_VAR4XH_SSSE3(H) \ + unsigned int aom_masked_sub_pixel_variance4x##H##_ssse3( \ + const uint8_t *src, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref, int ref_stride, const uint8_t *second_pred, \ + const uint8_t *msk, int msk_stride, int invert_mask, \ + unsigned int *sse) { \ + int sum; \ + uint8_t temp[(H + 1) * 4]; \ + \ + bilinear_filter4xh(src, src_stride, xoffset, yoffset, temp, H); \ + \ + if (!invert_mask) \ + masked_variance4xh(ref, ref_stride, temp, second_pred, msk, msk_stride, \ + H, sse, &sum); \ + else \ + masked_variance4xh(ref, ref_stride, second_pred, temp, msk, msk_stride, \ + H, sse, &sum); \ + return *sse - (uint32_t)(((int64_t)sum * sum) / (4 * H)); \ + } + +MASK_SUBPIX_VAR_SSSE3(128, 128) +MASK_SUBPIX_VAR_SSSE3(128, 64) +MASK_SUBPIX_VAR_SSSE3(64, 128) +MASK_SUBPIX_VAR_SSSE3(64, 64) +MASK_SUBPIX_VAR_SSSE3(64, 32) +MASK_SUBPIX_VAR_SSSE3(32, 64) +MASK_SUBPIX_VAR_SSSE3(32, 32) +MASK_SUBPIX_VAR_SSSE3(32, 16) +MASK_SUBPIX_VAR_SSSE3(16, 32) +MASK_SUBPIX_VAR_SSSE3(16, 16) +MASK_SUBPIX_VAR_SSSE3(16, 8) +MASK_SUBPIX_VAR8XH_SSSE3(16) +MASK_SUBPIX_VAR8XH_SSSE3(8) +MASK_SUBPIX_VAR8XH_SSSE3(4) +MASK_SUBPIX_VAR4XH_SSSE3(8) +MASK_SUBPIX_VAR4XH_SSSE3(4) +MASK_SUBPIX_VAR4XH_SSSE3(16) +MASK_SUBPIX_VAR_SSSE3(16, 4) +MASK_SUBPIX_VAR8XH_SSSE3(32) +MASK_SUBPIX_VAR_SSSE3(32, 8) +MASK_SUBPIX_VAR_SSSE3(64, 16) +MASK_SUBPIX_VAR_SSSE3(16, 64) + +static INLINE __m128i filter_block(const __m128i a, const __m128i b, + const __m128i filter) { + __m128i v0 = _mm_unpacklo_epi8(a, b); + v0 = _mm_maddubs_epi16(v0, filter); + v0 = xx_roundn_epu16(v0, FILTER_BITS); + + __m128i v1 = _mm_unpackhi_epi8(a, b); + v1 = _mm_maddubs_epi16(v1, filter); + v1 = xx_roundn_epu16(v1, FILTER_BITS); + + return _mm_packus_epi16(v0, v1); +} + +static void bilinear_filter(const uint8_t *src, int src_stride, int xoffset, + int yoffset, uint8_t *dst, int w, int h) { + int i, j; + // Horizontal filter + if (xoffset == 0) { + uint8_t *b = dst; + for (i = 0; i < h + 1; ++i) { + for (j = 0; j < w; j += 16) { + __m128i x = _mm_loadu_si128((__m128i *)&src[j]); + _mm_storeu_si128((__m128i *)&b[j], x); + } + src += src_stride; + b += w; + } + } else if (xoffset == 4) { + uint8_t *b = dst; + for (i = 0; i < h + 1; ++i) { + for (j = 0; j < w; j += 16) { + __m128i x = _mm_loadu_si128((__m128i *)&src[j]); + __m128i y = _mm_loadu_si128((__m128i *)&src[j + 16]); + __m128i z = _mm_alignr_epi8(y, x, 1); + _mm_storeu_si128((__m128i *)&b[j], _mm_avg_epu8(x, z)); + } + src += src_stride; + b += w; + } + } else { + uint8_t *b = dst; + const uint8_t *hfilter = bilinear_filters_2t[xoffset]; + const __m128i hfilter_vec = _mm_set1_epi16(hfilter[0] | (hfilter[1] << 8)); + for (i = 0; i < h + 1; ++i) { + for (j = 0; j < w; j += 16) { + const __m128i x = _mm_loadu_si128((__m128i *)&src[j]); + const __m128i y = _mm_loadu_si128((__m128i *)&src[j + 16]); + const __m128i z = _mm_alignr_epi8(y, x, 1); + const __m128i res = filter_block(x, z, hfilter_vec); + _mm_storeu_si128((__m128i *)&b[j], res); + } + + src += src_stride; + b += w; + } + } + + // Vertical filter + if (yoffset == 0) { + // The data is already in 'dst', so no need to filter + } else if (yoffset == 4) { + for (i = 0; i < h; ++i) { + for (j = 0; j < w; j += 16) { + __m128i x = _mm_loadu_si128((__m128i *)&dst[j]); + __m128i y = _mm_loadu_si128((__m128i *)&dst[j + w]); + _mm_storeu_si128((__m128i *)&dst[j], _mm_avg_epu8(x, y)); + } + dst += w; + } + } else { + const uint8_t *vfilter = bilinear_filters_2t[yoffset]; + const __m128i vfilter_vec = _mm_set1_epi16(vfilter[0] | (vfilter[1] << 8)); + for (i = 0; i < h; ++i) { + for (j = 0; j < w; j += 16) { + const __m128i x = _mm_loadu_si128((__m128i *)&dst[j]); + const __m128i y = _mm_loadu_si128((__m128i *)&dst[j + w]); + const __m128i res = filter_block(x, y, vfilter_vec); + _mm_storeu_si128((__m128i *)&dst[j], res); + } + + dst += w; + } + } +} + +static INLINE __m128i filter_block_2rows(const __m128i *a0, const __m128i *b0, + const __m128i *a1, const __m128i *b1, + const __m128i *filter) { + __m128i v0 = _mm_unpacklo_epi8(*a0, *b0); + v0 = _mm_maddubs_epi16(v0, *filter); + v0 = xx_roundn_epu16(v0, FILTER_BITS); + + __m128i v1 = _mm_unpacklo_epi8(*a1, *b1); + v1 = _mm_maddubs_epi16(v1, *filter); + v1 = xx_roundn_epu16(v1, FILTER_BITS); + + return _mm_packus_epi16(v0, v1); +} + +static void bilinear_filter8xh(const uint8_t *src, int src_stride, int xoffset, + int yoffset, uint8_t *dst, int h) { + int i; + // Horizontal filter + if (xoffset == 0) { + uint8_t *b = dst; + for (i = 0; i < h + 1; ++i) { + __m128i x = _mm_loadl_epi64((__m128i *)src); + _mm_storel_epi64((__m128i *)b, x); + src += src_stride; + b += 8; + } + } else if (xoffset == 4) { + uint8_t *b = dst; + for (i = 0; i < h + 1; ++i) { + __m128i x = _mm_loadu_si128((__m128i *)src); + __m128i z = _mm_srli_si128(x, 1); + _mm_storel_epi64((__m128i *)b, _mm_avg_epu8(x, z)); + src += src_stride; + b += 8; + } + } else { + uint8_t *b = dst; + const uint8_t *hfilter = bilinear_filters_2t[xoffset]; + const __m128i hfilter_vec = _mm_set1_epi16(hfilter[0] | (hfilter[1] << 8)); + for (i = 0; i < h; i += 2) { + const __m128i x0 = _mm_loadu_si128((__m128i *)src); + const __m128i z0 = _mm_srli_si128(x0, 1); + const __m128i x1 = _mm_loadu_si128((__m128i *)&src[src_stride]); + const __m128i z1 = _mm_srli_si128(x1, 1); + const __m128i res = filter_block_2rows(&x0, &z0, &x1, &z1, &hfilter_vec); + _mm_storeu_si128((__m128i *)b, res); + + src += src_stride * 2; + b += 16; + } + // Handle i = h separately + const __m128i x0 = _mm_loadu_si128((__m128i *)src); + const __m128i z0 = _mm_srli_si128(x0, 1); + + __m128i v0 = _mm_unpacklo_epi8(x0, z0); + v0 = _mm_maddubs_epi16(v0, hfilter_vec); + v0 = xx_roundn_epu16(v0, FILTER_BITS); + + _mm_storel_epi64((__m128i *)b, _mm_packus_epi16(v0, v0)); + } + + // Vertical filter + if (yoffset == 0) { + // The data is already in 'dst', so no need to filter + } else if (yoffset == 4) { + for (i = 0; i < h; ++i) { + __m128i x = _mm_loadl_epi64((__m128i *)dst); + __m128i y = _mm_loadl_epi64((__m128i *)&dst[8]); + _mm_storel_epi64((__m128i *)dst, _mm_avg_epu8(x, y)); + dst += 8; + } + } else { + const uint8_t *vfilter = bilinear_filters_2t[yoffset]; + const __m128i vfilter_vec = _mm_set1_epi16(vfilter[0] | (vfilter[1] << 8)); + for (i = 0; i < h; i += 2) { + const __m128i x = _mm_loadl_epi64((__m128i *)dst); + const __m128i y = _mm_loadl_epi64((__m128i *)&dst[8]); + const __m128i z = _mm_loadl_epi64((__m128i *)&dst[16]); + const __m128i res = filter_block_2rows(&x, &y, &y, &z, &vfilter_vec); + _mm_storeu_si128((__m128i *)dst, res); + + dst += 16; + } + } +} + +static void bilinear_filter4xh(const uint8_t *src, int src_stride, int xoffset, + int yoffset, uint8_t *dst, int h) { + int i; + // Horizontal filter + if (xoffset == 0) { + uint8_t *b = dst; + for (i = 0; i < h + 1; ++i) { + __m128i x = xx_loadl_32((__m128i *)src); + xx_storel_32((__m128i *)b, x); + src += src_stride; + b += 4; + } + } else if (xoffset == 4) { + uint8_t *b = dst; + for (i = 0; i < h + 1; ++i) { + __m128i x = _mm_loadl_epi64((__m128i *)src); + __m128i z = _mm_srli_si128(x, 1); + xx_storel_32((__m128i *)b, _mm_avg_epu8(x, z)); + src += src_stride; + b += 4; + } + } else { + uint8_t *b = dst; + const uint8_t *hfilter = bilinear_filters_2t[xoffset]; + const __m128i hfilter_vec = _mm_set1_epi16(hfilter[0] | (hfilter[1] << 8)); + for (i = 0; i < h; i += 4) { + const __m128i x0 = _mm_loadl_epi64((__m128i *)src); + const __m128i z0 = _mm_srli_si128(x0, 1); + const __m128i x1 = _mm_loadl_epi64((__m128i *)&src[src_stride]); + const __m128i z1 = _mm_srli_si128(x1, 1); + const __m128i x2 = _mm_loadl_epi64((__m128i *)&src[src_stride * 2]); + const __m128i z2 = _mm_srli_si128(x2, 1); + const __m128i x3 = _mm_loadl_epi64((__m128i *)&src[src_stride * 3]); + const __m128i z3 = _mm_srli_si128(x3, 1); + + const __m128i a0 = _mm_unpacklo_epi32(x0, x1); + const __m128i b0 = _mm_unpacklo_epi32(z0, z1); + const __m128i a1 = _mm_unpacklo_epi32(x2, x3); + const __m128i b1 = _mm_unpacklo_epi32(z2, z3); + const __m128i res = filter_block_2rows(&a0, &b0, &a1, &b1, &hfilter_vec); + _mm_storeu_si128((__m128i *)b, res); + + src += src_stride * 4; + b += 16; + } + // Handle i = h separately + const __m128i x = _mm_loadl_epi64((__m128i *)src); + const __m128i z = _mm_srli_si128(x, 1); + + __m128i v0 = _mm_unpacklo_epi8(x, z); + v0 = _mm_maddubs_epi16(v0, hfilter_vec); + v0 = xx_roundn_epu16(v0, FILTER_BITS); + + xx_storel_32((__m128i *)b, _mm_packus_epi16(v0, v0)); + } + + // Vertical filter + if (yoffset == 0) { + // The data is already in 'dst', so no need to filter + } else if (yoffset == 4) { + for (i = 0; i < h; ++i) { + __m128i x = xx_loadl_32((__m128i *)dst); + __m128i y = xx_loadl_32((__m128i *)&dst[4]); + xx_storel_32((__m128i *)dst, _mm_avg_epu8(x, y)); + dst += 4; + } + } else { + const uint8_t *vfilter = bilinear_filters_2t[yoffset]; + const __m128i vfilter_vec = _mm_set1_epi16(vfilter[0] | (vfilter[1] << 8)); + for (i = 0; i < h; i += 4) { + const __m128i a = xx_loadl_32((__m128i *)dst); + const __m128i b = xx_loadl_32((__m128i *)&dst[4]); + const __m128i c = xx_loadl_32((__m128i *)&dst[8]); + const __m128i d = xx_loadl_32((__m128i *)&dst[12]); + const __m128i e = xx_loadl_32((__m128i *)&dst[16]); + + const __m128i a0 = _mm_unpacklo_epi32(a, b); + const __m128i b0 = _mm_unpacklo_epi32(b, c); + const __m128i a1 = _mm_unpacklo_epi32(c, d); + const __m128i b1 = _mm_unpacklo_epi32(d, e); + const __m128i res = filter_block_2rows(&a0, &b0, &a1, &b1, &vfilter_vec); + _mm_storeu_si128((__m128i *)dst, res); + + dst += 16; + } + } +} + +static INLINE void accumulate_block(const __m128i *src, const __m128i *a, + const __m128i *b, const __m128i *m, + __m128i *sum, __m128i *sum_sq) { + const __m128i zero = _mm_setzero_si128(); + const __m128i one = _mm_set1_epi16(1); + const __m128i mask_max = _mm_set1_epi8((1 << AOM_BLEND_A64_ROUND_BITS)); + const __m128i m_inv = _mm_sub_epi8(mask_max, *m); + + // Calculate 16 predicted pixels. + // Note that the maximum value of any entry of 'pred_l' or 'pred_r' + // is 64 * 255, so we have plenty of space to add rounding constants. + const __m128i data_l = _mm_unpacklo_epi8(*a, *b); + const __m128i mask_l = _mm_unpacklo_epi8(*m, m_inv); + __m128i pred_l = _mm_maddubs_epi16(data_l, mask_l); + pred_l = xx_roundn_epu16(pred_l, AOM_BLEND_A64_ROUND_BITS); + + const __m128i data_r = _mm_unpackhi_epi8(*a, *b); + const __m128i mask_r = _mm_unpackhi_epi8(*m, m_inv); + __m128i pred_r = _mm_maddubs_epi16(data_r, mask_r); + pred_r = xx_roundn_epu16(pred_r, AOM_BLEND_A64_ROUND_BITS); + + const __m128i src_l = _mm_unpacklo_epi8(*src, zero); + const __m128i src_r = _mm_unpackhi_epi8(*src, zero); + const __m128i diff_l = _mm_sub_epi16(pred_l, src_l); + const __m128i diff_r = _mm_sub_epi16(pred_r, src_r); + + // Update partial sums and partial sums of squares + *sum = + _mm_add_epi32(*sum, _mm_madd_epi16(_mm_add_epi16(diff_l, diff_r), one)); + *sum_sq = + _mm_add_epi32(*sum_sq, _mm_add_epi32(_mm_madd_epi16(diff_l, diff_l), + _mm_madd_epi16(diff_r, diff_r))); +} + +static void masked_variance(const uint8_t *src_ptr, int src_stride, + const uint8_t *a_ptr, int a_stride, + const uint8_t *b_ptr, int b_stride, + const uint8_t *m_ptr, int m_stride, int width, + int height, unsigned int *sse, int *sum_) { + int x, y; + __m128i sum = _mm_setzero_si128(), sum_sq = _mm_setzero_si128(); + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x += 16) { + const __m128i src = _mm_loadu_si128((const __m128i *)&src_ptr[x]); + const __m128i a = _mm_loadu_si128((const __m128i *)&a_ptr[x]); + const __m128i b = _mm_loadu_si128((const __m128i *)&b_ptr[x]); + const __m128i m = _mm_loadu_si128((const __m128i *)&m_ptr[x]); + accumulate_block(&src, &a, &b, &m, &sum, &sum_sq); + } + + src_ptr += src_stride; + a_ptr += a_stride; + b_ptr += b_stride; + m_ptr += m_stride; + } + // Reduce down to a single sum and sum of squares + sum = _mm_hadd_epi32(sum, sum_sq); + sum = _mm_hadd_epi32(sum, sum); + *sum_ = _mm_cvtsi128_si32(sum); + *sse = _mm_cvtsi128_si32(_mm_srli_si128(sum, 4)); +} + +static void masked_variance8xh(const uint8_t *src_ptr, int src_stride, + const uint8_t *a_ptr, const uint8_t *b_ptr, + const uint8_t *m_ptr, int m_stride, int height, + unsigned int *sse, int *sum_) { + int y; + __m128i sum = _mm_setzero_si128(), sum_sq = _mm_setzero_si128(); + + for (y = 0; y < height; y += 2) { + __m128i src = _mm_unpacklo_epi64( + _mm_loadl_epi64((const __m128i *)src_ptr), + _mm_loadl_epi64((const __m128i *)&src_ptr[src_stride])); + const __m128i a = _mm_loadu_si128((const __m128i *)a_ptr); + const __m128i b = _mm_loadu_si128((const __m128i *)b_ptr); + const __m128i m = + _mm_unpacklo_epi64(_mm_loadl_epi64((const __m128i *)m_ptr), + _mm_loadl_epi64((const __m128i *)&m_ptr[m_stride])); + accumulate_block(&src, &a, &b, &m, &sum, &sum_sq); + + src_ptr += src_stride * 2; + a_ptr += 16; + b_ptr += 16; + m_ptr += m_stride * 2; + } + // Reduce down to a single sum and sum of squares + sum = _mm_hadd_epi32(sum, sum_sq); + sum = _mm_hadd_epi32(sum, sum); + *sum_ = _mm_cvtsi128_si32(sum); + *sse = _mm_cvtsi128_si32(_mm_srli_si128(sum, 4)); +} + +static void masked_variance4xh(const uint8_t *src_ptr, int src_stride, + const uint8_t *a_ptr, const uint8_t *b_ptr, + const uint8_t *m_ptr, int m_stride, int height, + unsigned int *sse, int *sum_) { + int y; + __m128i sum = _mm_setzero_si128(), sum_sq = _mm_setzero_si128(); + + for (y = 0; y < height; y += 4) { + // Load four rows at a time + __m128i src = + _mm_setr_epi32(*(uint32_t *)src_ptr, *(uint32_t *)&src_ptr[src_stride], + *(uint32_t *)&src_ptr[src_stride * 2], + *(uint32_t *)&src_ptr[src_stride * 3]); + const __m128i a = _mm_loadu_si128((const __m128i *)a_ptr); + const __m128i b = _mm_loadu_si128((const __m128i *)b_ptr); + const __m128i m = _mm_setr_epi32( + *(uint32_t *)m_ptr, *(uint32_t *)&m_ptr[m_stride], + *(uint32_t *)&m_ptr[m_stride * 2], *(uint32_t *)&m_ptr[m_stride * 3]); + accumulate_block(&src, &a, &b, &m, &sum, &sum_sq); + + src_ptr += src_stride * 4; + a_ptr += 16; + b_ptr += 16; + m_ptr += m_stride * 4; + } + // Reduce down to a single sum and sum of squares + sum = _mm_hadd_epi32(sum, sum_sq); + sum = _mm_hadd_epi32(sum, sum); + *sum_ = _mm_cvtsi128_si32(sum); + *sse = _mm_cvtsi128_si32(_mm_srli_si128(sum, 4)); +} + +// For width a multiple of 8 +static void highbd_bilinear_filter(const uint16_t *src, int src_stride, + int xoffset, int yoffset, uint16_t *dst, + int w, int h); + +static void highbd_bilinear_filter4xh(const uint16_t *src, int src_stride, + int xoffset, int yoffset, uint16_t *dst, + int h); + +// For width a multiple of 8 +static void highbd_masked_variance(const uint16_t *src_ptr, int src_stride, + const uint16_t *a_ptr, int a_stride, + const uint16_t *b_ptr, int b_stride, + const uint8_t *m_ptr, int m_stride, + int width, int height, uint64_t *sse, + int *sum_); + +static void highbd_masked_variance4xh(const uint16_t *src_ptr, int src_stride, + const uint16_t *a_ptr, + const uint16_t *b_ptr, + const uint8_t *m_ptr, int m_stride, + int height, int *sse, int *sum_); + +#define HIGHBD_MASK_SUBPIX_VAR_SSSE3(W, H) \ + unsigned int aom_highbd_8_masked_sub_pixel_variance##W##x##H##_ssse3( \ + const uint8_t *src8, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref8, int ref_stride, const uint8_t *second_pred8, \ + const uint8_t *msk, int msk_stride, int invert_mask, uint32_t *sse) { \ + uint64_t sse64; \ + int sum; \ + uint16_t temp[(H + 1) * W]; \ + const uint16_t *src = CONVERT_TO_SHORTPTR(src8); \ + const uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \ + const uint16_t *second_pred = CONVERT_TO_SHORTPTR(second_pred8); \ + \ + highbd_bilinear_filter(src, src_stride, xoffset, yoffset, temp, W, H); \ + \ + if (!invert_mask) \ + highbd_masked_variance(ref, ref_stride, temp, W, second_pred, W, msk, \ + msk_stride, W, H, &sse64, &sum); \ + else \ + highbd_masked_variance(ref, ref_stride, second_pred, W, temp, W, msk, \ + msk_stride, W, H, &sse64, &sum); \ + *sse = (uint32_t)sse64; \ + return *sse - (uint32_t)(((int64_t)sum * sum) / (W * H)); \ + } \ + unsigned int aom_highbd_10_masked_sub_pixel_variance##W##x##H##_ssse3( \ + const uint8_t *src8, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref8, int ref_stride, const uint8_t *second_pred8, \ + const uint8_t *msk, int msk_stride, int invert_mask, uint32_t *sse) { \ + uint64_t sse64; \ + int sum; \ + int64_t var; \ + uint16_t temp[(H + 1) * W]; \ + const uint16_t *src = CONVERT_TO_SHORTPTR(src8); \ + const uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \ + const uint16_t *second_pred = CONVERT_TO_SHORTPTR(second_pred8); \ + \ + highbd_bilinear_filter(src, src_stride, xoffset, yoffset, temp, W, H); \ + \ + if (!invert_mask) \ + highbd_masked_variance(ref, ref_stride, temp, W, second_pred, W, msk, \ + msk_stride, W, H, &sse64, &sum); \ + else \ + highbd_masked_variance(ref, ref_stride, second_pred, W, temp, W, msk, \ + msk_stride, W, H, &sse64, &sum); \ + *sse = (uint32_t)ROUND_POWER_OF_TWO(sse64, 4); \ + sum = ROUND_POWER_OF_TWO(sum, 2); \ + var = (int64_t)(*sse) - (((int64_t)sum * sum) / (W * H)); \ + return (var >= 0) ? (uint32_t)var : 0; \ + } \ + unsigned int aom_highbd_12_masked_sub_pixel_variance##W##x##H##_ssse3( \ + const uint8_t *src8, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref8, int ref_stride, const uint8_t *second_pred8, \ + const uint8_t *msk, int msk_stride, int invert_mask, uint32_t *sse) { \ + uint64_t sse64; \ + int sum; \ + int64_t var; \ + uint16_t temp[(H + 1) * W]; \ + const uint16_t *src = CONVERT_TO_SHORTPTR(src8); \ + const uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \ + const uint16_t *second_pred = CONVERT_TO_SHORTPTR(second_pred8); \ + \ + highbd_bilinear_filter(src, src_stride, xoffset, yoffset, temp, W, H); \ + \ + if (!invert_mask) \ + highbd_masked_variance(ref, ref_stride, temp, W, second_pred, W, msk, \ + msk_stride, W, H, &sse64, &sum); \ + else \ + highbd_masked_variance(ref, ref_stride, second_pred, W, temp, W, msk, \ + msk_stride, W, H, &sse64, &sum); \ + *sse = (uint32_t)ROUND_POWER_OF_TWO(sse64, 8); \ + sum = ROUND_POWER_OF_TWO(sum, 4); \ + var = (int64_t)(*sse) - (((int64_t)sum * sum) / (W * H)); \ + return (var >= 0) ? (uint32_t)var : 0; \ + } + +#define HIGHBD_MASK_SUBPIX_VAR4XH_SSSE3(H) \ + unsigned int aom_highbd_8_masked_sub_pixel_variance4x##H##_ssse3( \ + const uint8_t *src8, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref8, int ref_stride, const uint8_t *second_pred8, \ + const uint8_t *msk, int msk_stride, int invert_mask, uint32_t *sse) { \ + int sse_; \ + int sum; \ + uint16_t temp[(H + 1) * 4]; \ + const uint16_t *src = CONVERT_TO_SHORTPTR(src8); \ + const uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \ + const uint16_t *second_pred = CONVERT_TO_SHORTPTR(second_pred8); \ + \ + highbd_bilinear_filter4xh(src, src_stride, xoffset, yoffset, temp, H); \ + \ + if (!invert_mask) \ + highbd_masked_variance4xh(ref, ref_stride, temp, second_pred, msk, \ + msk_stride, H, &sse_, &sum); \ + else \ + highbd_masked_variance4xh(ref, ref_stride, second_pred, temp, msk, \ + msk_stride, H, &sse_, &sum); \ + *sse = (uint32_t)sse_; \ + return *sse - (uint32_t)(((int64_t)sum * sum) / (4 * H)); \ + } \ + unsigned int aom_highbd_10_masked_sub_pixel_variance4x##H##_ssse3( \ + const uint8_t *src8, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref8, int ref_stride, const uint8_t *second_pred8, \ + const uint8_t *msk, int msk_stride, int invert_mask, uint32_t *sse) { \ + int sse_; \ + int sum; \ + int64_t var; \ + uint16_t temp[(H + 1) * 4]; \ + const uint16_t *src = CONVERT_TO_SHORTPTR(src8); \ + const uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \ + const uint16_t *second_pred = CONVERT_TO_SHORTPTR(second_pred8); \ + \ + highbd_bilinear_filter4xh(src, src_stride, xoffset, yoffset, temp, H); \ + \ + if (!invert_mask) \ + highbd_masked_variance4xh(ref, ref_stride, temp, second_pred, msk, \ + msk_stride, H, &sse_, &sum); \ + else \ + highbd_masked_variance4xh(ref, ref_stride, second_pred, temp, msk, \ + msk_stride, H, &sse_, &sum); \ + *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_, 4); \ + sum = ROUND_POWER_OF_TWO(sum, 2); \ + var = (int64_t)(*sse) - (((int64_t)sum * sum) / (4 * H)); \ + return (var >= 0) ? (uint32_t)var : 0; \ + } \ + unsigned int aom_highbd_12_masked_sub_pixel_variance4x##H##_ssse3( \ + const uint8_t *src8, int src_stride, int xoffset, int yoffset, \ + const uint8_t *ref8, int ref_stride, const uint8_t *second_pred8, \ + const uint8_t *msk, int msk_stride, int invert_mask, uint32_t *sse) { \ + int sse_; \ + int sum; \ + int64_t var; \ + uint16_t temp[(H + 1) * 4]; \ + const uint16_t *src = CONVERT_TO_SHORTPTR(src8); \ + const uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \ + const uint16_t *second_pred = CONVERT_TO_SHORTPTR(second_pred8); \ + \ + highbd_bilinear_filter4xh(src, src_stride, xoffset, yoffset, temp, H); \ + \ + if (!invert_mask) \ + highbd_masked_variance4xh(ref, ref_stride, temp, second_pred, msk, \ + msk_stride, H, &sse_, &sum); \ + else \ + highbd_masked_variance4xh(ref, ref_stride, second_pred, temp, msk, \ + msk_stride, H, &sse_, &sum); \ + *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_, 8); \ + sum = ROUND_POWER_OF_TWO(sum, 4); \ + var = (int64_t)(*sse) - (((int64_t)sum * sum) / (4 * H)); \ + return (var >= 0) ? (uint32_t)var : 0; \ + } + +HIGHBD_MASK_SUBPIX_VAR_SSSE3(128, 128) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(128, 64) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(64, 128) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(64, 64) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(64, 32) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(32, 64) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(32, 32) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(32, 16) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(16, 32) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(16, 16) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(16, 8) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(8, 16) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(8, 8) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(8, 4) +HIGHBD_MASK_SUBPIX_VAR4XH_SSSE3(8) +HIGHBD_MASK_SUBPIX_VAR4XH_SSSE3(4) +HIGHBD_MASK_SUBPIX_VAR4XH_SSSE3(16) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(16, 4) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(8, 32) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(32, 8) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(16, 64) +HIGHBD_MASK_SUBPIX_VAR_SSSE3(64, 16) + +static INLINE __m128i highbd_filter_block(const __m128i a, const __m128i b, + const __m128i filter) { + __m128i v0 = _mm_unpacklo_epi16(a, b); + v0 = _mm_madd_epi16(v0, filter); + v0 = xx_roundn_epu32(v0, FILTER_BITS); + + __m128i v1 = _mm_unpackhi_epi16(a, b); + v1 = _mm_madd_epi16(v1, filter); + v1 = xx_roundn_epu32(v1, FILTER_BITS); + + return _mm_packs_epi32(v0, v1); +} + +static void highbd_bilinear_filter(const uint16_t *src, int src_stride, + int xoffset, int yoffset, uint16_t *dst, + int w, int h) { + int i, j; + // Horizontal filter + if (xoffset == 0) { + uint16_t *b = dst; + for (i = 0; i < h + 1; ++i) { + for (j = 0; j < w; j += 8) { + __m128i x = _mm_loadu_si128((__m128i *)&src[j]); + _mm_storeu_si128((__m128i *)&b[j], x); + } + src += src_stride; + b += w; + } + } else if (xoffset == 4) { + uint16_t *b = dst; + for (i = 0; i < h + 1; ++i) { + for (j = 0; j < w; j += 8) { + __m128i x = _mm_loadu_si128((__m128i *)&src[j]); + __m128i y = _mm_loadu_si128((__m128i *)&src[j + 8]); + __m128i z = _mm_alignr_epi8(y, x, 2); + _mm_storeu_si128((__m128i *)&b[j], _mm_avg_epu16(x, z)); + } + src += src_stride; + b += w; + } + } else { + uint16_t *b = dst; + const uint8_t *hfilter = bilinear_filters_2t[xoffset]; + const __m128i hfilter_vec = _mm_set1_epi32(hfilter[0] | (hfilter[1] << 16)); + for (i = 0; i < h + 1; ++i) { + for (j = 0; j < w; j += 8) { + const __m128i x = _mm_loadu_si128((__m128i *)&src[j]); + const __m128i y = _mm_loadu_si128((__m128i *)&src[j + 8]); + const __m128i z = _mm_alignr_epi8(y, x, 2); + const __m128i res = highbd_filter_block(x, z, hfilter_vec); + _mm_storeu_si128((__m128i *)&b[j], res); + } + + src += src_stride; + b += w; + } + } + + // Vertical filter + if (yoffset == 0) { + // The data is already in 'dst', so no need to filter + } else if (yoffset == 4) { + for (i = 0; i < h; ++i) { + for (j = 0; j < w; j += 8) { + __m128i x = _mm_loadu_si128((__m128i *)&dst[j]); + __m128i y = _mm_loadu_si128((__m128i *)&dst[j + w]); + _mm_storeu_si128((__m128i *)&dst[j], _mm_avg_epu16(x, y)); + } + dst += w; + } + } else { + const uint8_t *vfilter = bilinear_filters_2t[yoffset]; + const __m128i vfilter_vec = _mm_set1_epi32(vfilter[0] | (vfilter[1] << 16)); + for (i = 0; i < h; ++i) { + for (j = 0; j < w; j += 8) { + const __m128i x = _mm_loadu_si128((__m128i *)&dst[j]); + const __m128i y = _mm_loadu_si128((__m128i *)&dst[j + w]); + const __m128i res = highbd_filter_block(x, y, vfilter_vec); + _mm_storeu_si128((__m128i *)&dst[j], res); + } + + dst += w; + } + } +} + +static INLINE __m128i highbd_filter_block_2rows(const __m128i *a0, + const __m128i *b0, + const __m128i *a1, + const __m128i *b1, + const __m128i *filter) { + __m128i v0 = _mm_unpacklo_epi16(*a0, *b0); + v0 = _mm_madd_epi16(v0, *filter); + v0 = xx_roundn_epu32(v0, FILTER_BITS); + + __m128i v1 = _mm_unpacklo_epi16(*a1, *b1); + v1 = _mm_madd_epi16(v1, *filter); + v1 = xx_roundn_epu32(v1, FILTER_BITS); + + return _mm_packs_epi32(v0, v1); +} + +static void highbd_bilinear_filter4xh(const uint16_t *src, int src_stride, + int xoffset, int yoffset, uint16_t *dst, + int h) { + int i; + // Horizontal filter + if (xoffset == 0) { + uint16_t *b = dst; + for (i = 0; i < h + 1; ++i) { + __m128i x = _mm_loadl_epi64((__m128i *)src); + _mm_storel_epi64((__m128i *)b, x); + src += src_stride; + b += 4; + } + } else if (xoffset == 4) { + uint16_t *b = dst; + for (i = 0; i < h + 1; ++i) { + __m128i x = _mm_loadu_si128((__m128i *)src); + __m128i z = _mm_srli_si128(x, 2); + _mm_storel_epi64((__m128i *)b, _mm_avg_epu16(x, z)); + src += src_stride; + b += 4; + } + } else { + uint16_t *b = dst; + const uint8_t *hfilter = bilinear_filters_2t[xoffset]; + const __m128i hfilter_vec = _mm_set1_epi32(hfilter[0] | (hfilter[1] << 16)); + for (i = 0; i < h; i += 2) { + const __m128i x0 = _mm_loadu_si128((__m128i *)src); + const __m128i z0 = _mm_srli_si128(x0, 2); + const __m128i x1 = _mm_loadu_si128((__m128i *)&src[src_stride]); + const __m128i z1 = _mm_srli_si128(x1, 2); + const __m128i res = + highbd_filter_block_2rows(&x0, &z0, &x1, &z1, &hfilter_vec); + _mm_storeu_si128((__m128i *)b, res); + + src += src_stride * 2; + b += 8; + } + // Process i = h separately + __m128i x = _mm_loadu_si128((__m128i *)src); + __m128i z = _mm_srli_si128(x, 2); + + __m128i v0 = _mm_unpacklo_epi16(x, z); + v0 = _mm_madd_epi16(v0, hfilter_vec); + v0 = xx_roundn_epu32(v0, FILTER_BITS); + + _mm_storel_epi64((__m128i *)b, _mm_packs_epi32(v0, v0)); + } + + // Vertical filter + if (yoffset == 0) { + // The data is already in 'dst', so no need to filter + } else if (yoffset == 4) { + for (i = 0; i < h; ++i) { + __m128i x = _mm_loadl_epi64((__m128i *)dst); + __m128i y = _mm_loadl_epi64((__m128i *)&dst[4]); + _mm_storel_epi64((__m128i *)dst, _mm_avg_epu16(x, y)); + dst += 4; + } + } else { + const uint8_t *vfilter = bilinear_filters_2t[yoffset]; + const __m128i vfilter_vec = _mm_set1_epi32(vfilter[0] | (vfilter[1] << 16)); + for (i = 0; i < h; i += 2) { + const __m128i x = _mm_loadl_epi64((__m128i *)dst); + const __m128i y = _mm_loadl_epi64((__m128i *)&dst[4]); + const __m128i z = _mm_loadl_epi64((__m128i *)&dst[8]); + const __m128i res = + highbd_filter_block_2rows(&x, &y, &y, &z, &vfilter_vec); + _mm_storeu_si128((__m128i *)dst, res); + + dst += 8; + } + } +} + +static void highbd_masked_variance(const uint16_t *src_ptr, int src_stride, + const uint16_t *a_ptr, int a_stride, + const uint16_t *b_ptr, int b_stride, + const uint8_t *m_ptr, int m_stride, + int width, int height, uint64_t *sse, + int *sum_) { + int x, y; + // Note on bit widths: + // The maximum value of 'sum' is (2^12 - 1) * 128 * 128 =~ 2^26, + // so this can be kept as four 32-bit values. + // But the maximum value of 'sum_sq' is (2^12 - 1)^2 * 128 * 128 =~ 2^38, + // so this must be stored as two 64-bit values. + __m128i sum = _mm_setzero_si128(), sum_sq = _mm_setzero_si128(); + const __m128i mask_max = _mm_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS)); + const __m128i round_const = + _mm_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1); + const __m128i zero = _mm_setzero_si128(); + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x += 8) { + const __m128i src = _mm_loadu_si128((const __m128i *)&src_ptr[x]); + const __m128i a = _mm_loadu_si128((const __m128i *)&a_ptr[x]); + const __m128i b = _mm_loadu_si128((const __m128i *)&b_ptr[x]); + const __m128i m = + _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&m_ptr[x]), zero); + const __m128i m_inv = _mm_sub_epi16(mask_max, m); + + // Calculate 8 predicted pixels. + const __m128i data_l = _mm_unpacklo_epi16(a, b); + const __m128i mask_l = _mm_unpacklo_epi16(m, m_inv); + __m128i pred_l = _mm_madd_epi16(data_l, mask_l); + pred_l = _mm_srai_epi32(_mm_add_epi32(pred_l, round_const), + AOM_BLEND_A64_ROUND_BITS); + + const __m128i data_r = _mm_unpackhi_epi16(a, b); + const __m128i mask_r = _mm_unpackhi_epi16(m, m_inv); + __m128i pred_r = _mm_madd_epi16(data_r, mask_r); + pred_r = _mm_srai_epi32(_mm_add_epi32(pred_r, round_const), + AOM_BLEND_A64_ROUND_BITS); + + const __m128i src_l = _mm_unpacklo_epi16(src, zero); + const __m128i src_r = _mm_unpackhi_epi16(src, zero); + __m128i diff_l = _mm_sub_epi32(pred_l, src_l); + __m128i diff_r = _mm_sub_epi32(pred_r, src_r); + + // Update partial sums and partial sums of squares + sum = _mm_add_epi32(sum, _mm_add_epi32(diff_l, diff_r)); + // A trick: Now each entry of diff_l and diff_r is stored in a 32-bit + // field, but the range of values is only [-(2^12 - 1), 2^12 - 1]. + // So we can re-pack into 16-bit fields and use _mm_madd_epi16 + // to calculate the squares and partially sum them. + const __m128i tmp = _mm_packs_epi32(diff_l, diff_r); + const __m128i prod = _mm_madd_epi16(tmp, tmp); + // Then we want to sign-extend to 64 bits and accumulate + const __m128i sign = _mm_srai_epi32(prod, 31); + const __m128i tmp_0 = _mm_unpacklo_epi32(prod, sign); + const __m128i tmp_1 = _mm_unpackhi_epi32(prod, sign); + sum_sq = _mm_add_epi64(sum_sq, _mm_add_epi64(tmp_0, tmp_1)); + } + + src_ptr += src_stride; + a_ptr += a_stride; + b_ptr += b_stride; + m_ptr += m_stride; + } + // Reduce down to a single sum and sum of squares + sum = _mm_hadd_epi32(sum, zero); + sum = _mm_hadd_epi32(sum, zero); + *sum_ = _mm_cvtsi128_si32(sum); + sum_sq = _mm_add_epi64(sum_sq, _mm_srli_si128(sum_sq, 8)); + _mm_storel_epi64((__m128i *)sse, sum_sq); +} + +static void highbd_masked_variance4xh(const uint16_t *src_ptr, int src_stride, + const uint16_t *a_ptr, + const uint16_t *b_ptr, + const uint8_t *m_ptr, int m_stride, + int height, int *sse, int *sum_) { + int y; + // Note: For this function, h <= 8 (or maybe 16 if we add 4:1 partitions). + // So the maximum value of sum is (2^12 - 1) * 4 * 16 =~ 2^18 + // and the maximum value of sum_sq is (2^12 - 1)^2 * 4 * 16 =~ 2^30. + // So we can safely pack sum_sq into 32-bit fields, which is slightly more + // convenient. + __m128i sum = _mm_setzero_si128(), sum_sq = _mm_setzero_si128(); + const __m128i mask_max = _mm_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS)); + const __m128i round_const = + _mm_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1); + const __m128i zero = _mm_setzero_si128(); + + for (y = 0; y < height; y += 2) { + __m128i src = _mm_unpacklo_epi64( + _mm_loadl_epi64((const __m128i *)src_ptr), + _mm_loadl_epi64((const __m128i *)&src_ptr[src_stride])); + const __m128i a = _mm_loadu_si128((const __m128i *)a_ptr); + const __m128i b = _mm_loadu_si128((const __m128i *)b_ptr); + const __m128i m = _mm_unpacklo_epi8( + _mm_unpacklo_epi32( + _mm_cvtsi32_si128(*(const uint32_t *)m_ptr), + _mm_cvtsi32_si128(*(const uint32_t *)&m_ptr[m_stride])), + zero); + const __m128i m_inv = _mm_sub_epi16(mask_max, m); + + const __m128i data_l = _mm_unpacklo_epi16(a, b); + const __m128i mask_l = _mm_unpacklo_epi16(m, m_inv); + __m128i pred_l = _mm_madd_epi16(data_l, mask_l); + pred_l = _mm_srai_epi32(_mm_add_epi32(pred_l, round_const), + AOM_BLEND_A64_ROUND_BITS); + + const __m128i data_r = _mm_unpackhi_epi16(a, b); + const __m128i mask_r = _mm_unpackhi_epi16(m, m_inv); + __m128i pred_r = _mm_madd_epi16(data_r, mask_r); + pred_r = _mm_srai_epi32(_mm_add_epi32(pred_r, round_const), + AOM_BLEND_A64_ROUND_BITS); + + const __m128i src_l = _mm_unpacklo_epi16(src, zero); + const __m128i src_r = _mm_unpackhi_epi16(src, zero); + __m128i diff_l = _mm_sub_epi32(pred_l, src_l); + __m128i diff_r = _mm_sub_epi32(pred_r, src_r); + + // Update partial sums and partial sums of squares + sum = _mm_add_epi32(sum, _mm_add_epi32(diff_l, diff_r)); + const __m128i tmp = _mm_packs_epi32(diff_l, diff_r); + const __m128i prod = _mm_madd_epi16(tmp, tmp); + sum_sq = _mm_add_epi32(sum_sq, prod); + + src_ptr += src_stride * 2; + a_ptr += 8; + b_ptr += 8; + m_ptr += m_stride * 2; + } + // Reduce down to a single sum and sum of squares + sum = _mm_hadd_epi32(sum, sum_sq); + sum = _mm_hadd_epi32(sum, zero); + *sum_ = _mm_cvtsi128_si32(sum); + *sse = _mm_cvtsi128_si32(_mm_srli_si128(sum, 4)); +} + +void aom_comp_mask_pred_ssse3(uint8_t *comp_pred, const uint8_t *pred, + int width, int height, const uint8_t *ref, + int ref_stride, const uint8_t *mask, + int mask_stride, int invert_mask) { + const uint8_t *src0 = invert_mask ? pred : ref; + const uint8_t *src1 = invert_mask ? ref : pred; + const int stride0 = invert_mask ? width : ref_stride; + const int stride1 = invert_mask ? ref_stride : width; + assert(height % 2 == 0); + int i = 0; + if (width == 8) { + comp_mask_pred_8_ssse3(comp_pred, height, src0, stride0, src1, stride1, + mask, mask_stride); + } else if (width == 16) { + do { + comp_mask_pred_16_ssse3(src0, src1, mask, comp_pred); + comp_mask_pred_16_ssse3(src0 + stride0, src1 + stride1, + mask + mask_stride, comp_pred + width); + comp_pred += (width << 1); + src0 += (stride0 << 1); + src1 += (stride1 << 1); + mask += (mask_stride << 1); + i += 2; + } while (i < height); + } else { // width == 32 + assert(width == 32); + do { + comp_mask_pred_16_ssse3(src0, src1, mask, comp_pred); + comp_mask_pred_16_ssse3(src0 + 16, src1 + 16, mask + 16, comp_pred + 16); + comp_pred += (width); + src0 += (stride0); + src1 += (stride1); + mask += (mask_stride); + i += 1; + } while (i < height); + } +} |