| /* |
| * 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 <immintrin.h> |
| #include "./aom_dsp_rtcd.h" |
| |
| typedef void (*get_var_avx2)(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, |
| unsigned int *sse, int *sum); |
| |
| void aom_get32x32var_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, unsigned int *sse, |
| int *sum); |
| |
| static void variance_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, int w, int h, |
| unsigned int *sse, int *sum, get_var_avx2 var_fn, |
| int block_size) { |
| int i, j; |
| |
| *sse = 0; |
| *sum = 0; |
| |
| for (i = 0; i < h; i += 16) { |
| for (j = 0; j < w; j += block_size) { |
| unsigned int sse0; |
| int sum0; |
| var_fn(&src[src_stride * i + j], src_stride, &ref[ref_stride * i + j], |
| ref_stride, &sse0, &sum0); |
| *sse += sse0; |
| *sum += sum0; |
| } |
| } |
| } |
| |
| unsigned int aom_variance16x16_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, |
| unsigned int *sse) { |
| int sum; |
| unsigned int variance; |
| variance_avx2(src, src_stride, ref, ref_stride, 16, 16, sse, &sum, |
| aom_get16x16var_avx2, 16); |
| |
| variance = *sse - (((uint32_t)((int64_t)sum * sum)) >> 8); |
| _mm256_zeroupper(); |
| return variance; |
| } |
| |
| unsigned int aom_mse16x16_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, |
| unsigned int *sse) { |
| int sum; |
| aom_get16x16var_avx2(src, src_stride, ref, ref_stride, sse, &sum); |
| _mm256_zeroupper(); |
| return *sse; |
| } |
| |
| unsigned int aom_variance32x16_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, |
| unsigned int *sse) { |
| int sum; |
| unsigned int variance; |
| variance_avx2(src, src_stride, ref, ref_stride, 32, 16, sse, &sum, |
| aom_get32x32var_avx2, 32); |
| |
| variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 9); |
| _mm256_zeroupper(); |
| return variance; |
| } |
| |
| unsigned int aom_variance32x32_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, |
| unsigned int *sse) { |
| int sum; |
| unsigned int variance; |
| variance_avx2(src, src_stride, ref, ref_stride, 32, 32, sse, &sum, |
| aom_get32x32var_avx2, 32); |
| |
| variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 10); |
| _mm256_zeroupper(); |
| return variance; |
| } |
| |
| unsigned int aom_variance64x64_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, |
| unsigned int *sse) { |
| int sum; |
| unsigned int variance; |
| variance_avx2(src, src_stride, ref, ref_stride, 64, 64, sse, &sum, |
| aom_get32x32var_avx2, 32); |
| |
| variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 12); |
| _mm256_zeroupper(); |
| return variance; |
| } |
| |
| unsigned int aom_variance64x32_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, |
| unsigned int *sse) { |
| int sum; |
| unsigned int variance; |
| variance_avx2(src, src_stride, ref, ref_stride, 64, 32, sse, &sum, |
| aom_get32x32var_avx2, 32); |
| |
| variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 11); |
| _mm256_zeroupper(); |
| return variance; |
| } |
| |
| unsigned int aom_sub_pixel_variance32xh_avx2(const uint8_t *src, int src_stride, |
| int x_offset, int y_offset, |
| const uint8_t *dst, int dst_stride, |
| int height, unsigned int *sse); |
| |
| unsigned int aom_sub_pixel_avg_variance32xh_avx2( |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, |
| const uint8_t *dst, int dst_stride, const uint8_t *sec, int sec_stride, |
| int height, unsigned int *sseptr); |
| |
| unsigned int aom_sub_pixel_variance64x64_avx2(const uint8_t *src, |
| int src_stride, int x_offset, |
| int y_offset, const uint8_t *dst, |
| int dst_stride, |
| unsigned int *sse) { |
| unsigned int sse1; |
| const int se1 = aom_sub_pixel_variance32xh_avx2( |
| src, src_stride, x_offset, y_offset, dst, dst_stride, 64, &sse1); |
| unsigned int sse2; |
| const int se2 = |
| aom_sub_pixel_variance32xh_avx2(src + 32, src_stride, x_offset, y_offset, |
| dst + 32, dst_stride, 64, &sse2); |
| const int se = se1 + se2; |
| unsigned int variance; |
| *sse = sse1 + sse2; |
| |
| variance = *sse - (uint32_t)(((int64_t)se * se) >> 12); |
| _mm256_zeroupper(); |
| return variance; |
| } |
| |
| unsigned int aom_sub_pixel_variance32x32_avx2(const uint8_t *src, |
| int src_stride, int x_offset, |
| int y_offset, const uint8_t *dst, |
| int dst_stride, |
| unsigned int *sse) { |
| const int se = aom_sub_pixel_variance32xh_avx2( |
| src, src_stride, x_offset, y_offset, dst, dst_stride, 32, sse); |
| |
| const unsigned int variance = *sse - (uint32_t)(((int64_t)se * se) >> 10); |
| _mm256_zeroupper(); |
| return variance; |
| } |
| |
| unsigned int aom_sub_pixel_avg_variance64x64_avx2( |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, |
| const uint8_t *dst, int dst_stride, unsigned int *sse, const uint8_t *sec) { |
| unsigned int sse1; |
| const int se1 = aom_sub_pixel_avg_variance32xh_avx2( |
| src, src_stride, x_offset, y_offset, dst, dst_stride, sec, 64, 64, &sse1); |
| unsigned int sse2; |
| const int se2 = aom_sub_pixel_avg_variance32xh_avx2( |
| src + 32, src_stride, x_offset, y_offset, dst + 32, dst_stride, sec + 32, |
| 64, 64, &sse2); |
| const int se = se1 + se2; |
| unsigned int variance; |
| |
| *sse = sse1 + sse2; |
| |
| variance = *sse - (uint32_t)(((int64_t)se * se) >> 12); |
| _mm256_zeroupper(); |
| return variance; |
| } |
| |
| unsigned int aom_sub_pixel_avg_variance32x32_avx2( |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, |
| const uint8_t *dst, int dst_stride, unsigned int *sse, const uint8_t *sec) { |
| // Process 32 elements in parallel. |
| const int se = aom_sub_pixel_avg_variance32xh_avx2( |
| src, src_stride, x_offset, y_offset, dst, dst_stride, sec, 32, 32, sse); |
| |
| const unsigned int variance = *sse - (uint32_t)(((int64_t)se * se) >> 10); |
| _mm256_zeroupper(); |
| return variance; |
| } |