| /* |
| * Copyright (c) 2016, 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 <assert.h> |
| #include <emmintrin.h> // SSE2 |
| #include <tmmintrin.h> |
| |
| #include "config/aom_config.h" |
| #include "config/aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/x86/synonyms.h" |
| #include "aom_dsp/x86/variance_impl_ssse3.h" |
| |
| static inline void compute_dist_wtd_avg(__m128i *p0, __m128i *p1, |
| const __m128i *w, const __m128i *r, |
| void *const result) { |
| __m128i p_lo = _mm_unpacklo_epi8(*p0, *p1); |
| __m128i mult_lo = _mm_maddubs_epi16(p_lo, *w); |
| __m128i round_lo = _mm_add_epi16(mult_lo, *r); |
| __m128i shift_lo = _mm_srai_epi16(round_lo, DIST_PRECISION_BITS); |
| |
| __m128i p_hi = _mm_unpackhi_epi8(*p0, *p1); |
| __m128i mult_hi = _mm_maddubs_epi16(p_hi, *w); |
| __m128i round_hi = _mm_add_epi16(mult_hi, *r); |
| __m128i shift_hi = _mm_srai_epi16(round_hi, DIST_PRECISION_BITS); |
| |
| xx_storeu_128(result, _mm_packus_epi16(shift_lo, shift_hi)); |
| } |
| |
| void aom_dist_wtd_comp_avg_pred_ssse3(uint8_t *comp_pred, const uint8_t *pred, |
| int width, int height, const uint8_t *ref, |
| int ref_stride, |
| const DIST_WTD_COMP_PARAMS *jcp_param) { |
| int i; |
| const int8_t w0 = (int8_t)jcp_param->fwd_offset; |
| const int8_t w1 = (int8_t)jcp_param->bck_offset; |
| const __m128i w = _mm_set_epi8(w1, w0, w1, w0, w1, w0, w1, w0, w1, w0, w1, w0, |
| w1, w0, w1, w0); |
| const int16_t round = (int16_t)((1 << DIST_PRECISION_BITS) >> 1); |
| const __m128i r = _mm_set1_epi16(round); |
| |
| if (width >= 16) { |
| // Read 16 pixels one row at a time |
| assert(!(width & 15)); |
| for (i = 0; i < height; ++i) { |
| int j; |
| for (j = 0; j < width; j += 16) { |
| __m128i p0 = xx_loadu_128(ref); |
| __m128i p1 = xx_loadu_128(pred); |
| |
| compute_dist_wtd_avg(&p0, &p1, &w, &r, comp_pred); |
| |
| comp_pred += 16; |
| pred += 16; |
| ref += 16; |
| } |
| ref += ref_stride - width; |
| } |
| } else if (width >= 8) { |
| // Read 8 pixels two row at a time |
| assert(!(width & 7)); |
| assert(!(width & 1)); |
| for (i = 0; i < height; i += 2) { |
| __m128i p0_0 = xx_loadl_64(ref + 0 * ref_stride); |
| __m128i p0_1 = xx_loadl_64(ref + 1 * ref_stride); |
| __m128i p0 = _mm_unpacklo_epi64(p0_0, p0_1); |
| __m128i p1 = xx_loadu_128(pred); |
| |
| compute_dist_wtd_avg(&p0, &p1, &w, &r, comp_pred); |
| |
| comp_pred += 16; |
| pred += 16; |
| ref += 2 * ref_stride; |
| } |
| } else { |
| // Read 4 pixels four row at a time |
| assert(!(width & 3)); |
| assert(!(height & 3)); |
| for (i = 0; i < height; i += 4) { |
| const int8_t *row0 = (const int8_t *)ref + 0 * ref_stride; |
| const int8_t *row1 = (const int8_t *)ref + 1 * ref_stride; |
| const int8_t *row2 = (const int8_t *)ref + 2 * ref_stride; |
| const int8_t *row3 = (const int8_t *)ref + 3 * ref_stride; |
| |
| __m128i p0 = |
| _mm_setr_epi8(row0[0], row0[1], row0[2], row0[3], row1[0], row1[1], |
| row1[2], row1[3], row2[0], row2[1], row2[2], row2[3], |
| row3[0], row3[1], row3[2], row3[3]); |
| __m128i p1 = xx_loadu_128(pred); |
| |
| compute_dist_wtd_avg(&p0, &p1, &w, &r, comp_pred); |
| |
| comp_pred += 16; |
| pred += 16; |
| ref += 4 * ref_stride; |
| } |
| } |
| } |
| |
| #define DIST_WTD_SUBPIX_AVG_VAR(W, H) \ |
| uint32_t aom_dist_wtd_sub_pixel_avg_variance##W##x##H##_ssse3( \ |
| const uint8_t *a, int a_stride, int xoffset, int yoffset, \ |
| const uint8_t *b, int b_stride, uint32_t *sse, \ |
| const uint8_t *second_pred, const DIST_WTD_COMP_PARAMS *jcp_param) { \ |
| uint16_t fdata3[(H + 1) * W]; \ |
| uint8_t temp2[H * W]; \ |
| DECLARE_ALIGNED(16, uint8_t, temp3[H * W]); \ |
| \ |
| aom_var_filter_block2d_bil_first_pass_ssse3( \ |
| a, fdata3, a_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]); \ |
| aom_var_filter_block2d_bil_second_pass_ssse3( \ |
| fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]); \ |
| \ |
| aom_dist_wtd_comp_avg_pred_ssse3(temp3, second_pred, W, H, temp2, W, \ |
| jcp_param); \ |
| \ |
| return aom_variance##W##x##H(temp3, W, b, b_stride, sse); \ |
| } |
| |
| DIST_WTD_SUBPIX_AVG_VAR(128, 128) |
| DIST_WTD_SUBPIX_AVG_VAR(128, 64) |
| DIST_WTD_SUBPIX_AVG_VAR(64, 128) |
| DIST_WTD_SUBPIX_AVG_VAR(64, 64) |
| DIST_WTD_SUBPIX_AVG_VAR(64, 32) |
| DIST_WTD_SUBPIX_AVG_VAR(32, 64) |
| DIST_WTD_SUBPIX_AVG_VAR(32, 32) |
| DIST_WTD_SUBPIX_AVG_VAR(32, 16) |
| DIST_WTD_SUBPIX_AVG_VAR(16, 32) |
| DIST_WTD_SUBPIX_AVG_VAR(16, 16) |
| DIST_WTD_SUBPIX_AVG_VAR(16, 8) |
| DIST_WTD_SUBPIX_AVG_VAR(8, 16) |
| DIST_WTD_SUBPIX_AVG_VAR(8, 8) |
| DIST_WTD_SUBPIX_AVG_VAR(8, 4) |
| DIST_WTD_SUBPIX_AVG_VAR(4, 8) |
| DIST_WTD_SUBPIX_AVG_VAR(4, 4) |
| |
| #if !CONFIG_REALTIME_ONLY |
| DIST_WTD_SUBPIX_AVG_VAR(4, 16) |
| DIST_WTD_SUBPIX_AVG_VAR(16, 4) |
| DIST_WTD_SUBPIX_AVG_VAR(8, 32) |
| DIST_WTD_SUBPIX_AVG_VAR(32, 8) |
| DIST_WTD_SUBPIX_AVG_VAR(16, 64) |
| DIST_WTD_SUBPIX_AVG_VAR(64, 16) |
| #endif |