| /* |
| * 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 "config/aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/x86/masked_variance_intrin_ssse3.h" |
| #include "aom_dsp/x86/synonyms.h" |
| |
| static INLINE __m128i mm256_add_hi_lo_epi16(const __m256i val) { |
| return _mm_add_epi16(_mm256_castsi256_si128(val), |
| _mm256_extractf128_si256(val, 1)); |
| } |
| |
| static INLINE __m128i mm256_add_hi_lo_epi32(const __m256i val) { |
| return _mm_add_epi32(_mm256_castsi256_si128(val), |
| _mm256_extractf128_si256(val, 1)); |
| } |
| |
| static INLINE void variance_kernel_avx2(const __m256i src, const __m256i ref, |
| __m256i *const sse, |
| __m256i *const sum) { |
| const __m256i adj_sub = _mm256_set1_epi16((short)0xff01); // (1,-1) |
| |
| // unpack into pairs of source and reference values |
| const __m256i src_ref0 = _mm256_unpacklo_epi8(src, ref); |
| const __m256i src_ref1 = _mm256_unpackhi_epi8(src, ref); |
| |
| // subtract adjacent elements using src*1 + ref*-1 |
| const __m256i diff0 = _mm256_maddubs_epi16(src_ref0, adj_sub); |
| const __m256i diff1 = _mm256_maddubs_epi16(src_ref1, adj_sub); |
| const __m256i madd0 = _mm256_madd_epi16(diff0, diff0); |
| const __m256i madd1 = _mm256_madd_epi16(diff1, diff1); |
| |
| // add to the running totals |
| *sum = _mm256_add_epi16(*sum, _mm256_add_epi16(diff0, diff1)); |
| *sse = _mm256_add_epi32(*sse, _mm256_add_epi32(madd0, madd1)); |
| } |
| |
| static INLINE int variance_final_from_32bit_sum_avx2(__m256i vsse, __m128i vsum, |
| unsigned int *const sse) { |
| // extract the low lane and add it to the high lane |
| const __m128i sse_reg_128 = mm256_add_hi_lo_epi32(vsse); |
| |
| // unpack sse and sum registers and add |
| const __m128i sse_sum_lo = _mm_unpacklo_epi32(sse_reg_128, vsum); |
| const __m128i sse_sum_hi = _mm_unpackhi_epi32(sse_reg_128, vsum); |
| const __m128i sse_sum = _mm_add_epi32(sse_sum_lo, sse_sum_hi); |
| |
| // perform the final summation and extract the results |
| const __m128i res = _mm_add_epi32(sse_sum, _mm_srli_si128(sse_sum, 8)); |
| *((int *)sse) = _mm_cvtsi128_si32(res); |
| return _mm_extract_epi32(res, 1); |
| } |
| |
| // handle pixels (<= 512) |
| static INLINE int variance_final_512_avx2(__m256i vsse, __m256i vsum, |
| unsigned int *const sse) { |
| // extract the low lane and add it to the high lane |
| const __m128i vsum_128 = mm256_add_hi_lo_epi16(vsum); |
| const __m128i vsum_64 = _mm_add_epi16(vsum_128, _mm_srli_si128(vsum_128, 8)); |
| const __m128i sum_int32 = _mm_cvtepi16_epi32(vsum_64); |
| return variance_final_from_32bit_sum_avx2(vsse, sum_int32, sse); |
| } |
| |
| // handle 1024 pixels (32x32, 16x64, 64x16) |
| static INLINE int variance_final_1024_avx2(__m256i vsse, __m256i vsum, |
| unsigned int *const sse) { |
| // extract the low lane and add it to the high lane |
| const __m128i vsum_128 = mm256_add_hi_lo_epi16(vsum); |
| const __m128i vsum_64 = |
| _mm_add_epi32(_mm_cvtepi16_epi32(vsum_128), |
| _mm_cvtepi16_epi32(_mm_srli_si128(vsum_128, 8))); |
| return variance_final_from_32bit_sum_avx2(vsse, vsum_64, sse); |
| } |
| |
| static INLINE __m256i sum_to_32bit_avx2(const __m256i sum) { |
| const __m256i sum_lo = _mm256_cvtepi16_epi32(_mm256_castsi256_si128(sum)); |
| const __m256i sum_hi = |
| _mm256_cvtepi16_epi32(_mm256_extractf128_si256(sum, 1)); |
| return _mm256_add_epi32(sum_lo, sum_hi); |
| } |
| |
| // handle 2048 pixels (32x64, 64x32) |
| static INLINE int variance_final_2048_avx2(__m256i vsse, __m256i vsum, |
| unsigned int *const sse) { |
| vsum = sum_to_32bit_avx2(vsum); |
| const __m128i vsum_128 = mm256_add_hi_lo_epi32(vsum); |
| return variance_final_from_32bit_sum_avx2(vsse, vsum_128, sse); |
| } |
| |
| static INLINE void variance16_kernel_avx2( |
| const uint8_t *const src, const int src_stride, const uint8_t *const ref, |
| const int ref_stride, __m256i *const sse, __m256i *const sum) { |
| const __m128i s0 = _mm_loadu_si128((__m128i const *)(src + 0 * src_stride)); |
| const __m128i s1 = _mm_loadu_si128((__m128i const *)(src + 1 * src_stride)); |
| const __m128i r0 = _mm_loadu_si128((__m128i const *)(ref + 0 * ref_stride)); |
| const __m128i r1 = _mm_loadu_si128((__m128i const *)(ref + 1 * ref_stride)); |
| const __m256i s = _mm256_inserti128_si256(_mm256_castsi128_si256(s0), s1, 1); |
| const __m256i r = _mm256_inserti128_si256(_mm256_castsi128_si256(r0), r1, 1); |
| variance_kernel_avx2(s, r, sse, sum); |
| } |
| |
| static INLINE void variance32_kernel_avx2(const uint8_t *const src, |
| const uint8_t *const ref, |
| __m256i *const sse, |
| __m256i *const sum) { |
| const __m256i s = _mm256_loadu_si256((__m256i const *)(src)); |
| const __m256i r = _mm256_loadu_si256((__m256i const *)(ref)); |
| variance_kernel_avx2(s, r, sse, sum); |
| } |
| |
| static INLINE void variance16_avx2(const uint8_t *src, const int src_stride, |
| const uint8_t *ref, const int ref_stride, |
| const int h, __m256i *const vsse, |
| __m256i *const vsum) { |
| *vsum = _mm256_setzero_si256(); |
| |
| for (int i = 0; i < h; i += 2) { |
| variance16_kernel_avx2(src, src_stride, ref, ref_stride, vsse, vsum); |
| src += 2 * src_stride; |
| ref += 2 * ref_stride; |
| } |
| } |
| |
| static INLINE void variance32_avx2(const uint8_t *src, const int src_stride, |
| const uint8_t *ref, const int ref_stride, |
| const int h, __m256i *const vsse, |
| __m256i *const vsum) { |
| *vsum = _mm256_setzero_si256(); |
| |
| for (int i = 0; i < h; i++) { |
| variance32_kernel_avx2(src, ref, vsse, vsum); |
| src += src_stride; |
| ref += ref_stride; |
| } |
| } |
| |
| static INLINE void variance64_avx2(const uint8_t *src, const int src_stride, |
| const uint8_t *ref, const int ref_stride, |
| const int h, __m256i *const vsse, |
| __m256i *const vsum) { |
| *vsum = _mm256_setzero_si256(); |
| |
| for (int i = 0; i < h; i++) { |
| variance32_kernel_avx2(src + 0, ref + 0, vsse, vsum); |
| variance32_kernel_avx2(src + 32, ref + 32, vsse, vsum); |
| src += src_stride; |
| ref += ref_stride; |
| } |
| } |
| |
| static INLINE void variance128_avx2(const uint8_t *src, const int src_stride, |
| const uint8_t *ref, const int ref_stride, |
| const int h, __m256i *const vsse, |
| __m256i *const vsum) { |
| *vsum = _mm256_setzero_si256(); |
| |
| for (int i = 0; i < h; i++) { |
| variance32_kernel_avx2(src + 0, ref + 0, vsse, vsum); |
| variance32_kernel_avx2(src + 32, ref + 32, vsse, vsum); |
| variance32_kernel_avx2(src + 64, ref + 64, vsse, vsum); |
| variance32_kernel_avx2(src + 96, ref + 96, vsse, vsum); |
| src += src_stride; |
| ref += ref_stride; |
| } |
| } |
| |
| #define AOM_VAR_NO_LOOP_AVX2(bw, bh, bits, max_pixel) \ |
| unsigned int aom_variance##bw##x##bh##_avx2( \ |
| const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \ |
| unsigned int *sse) { \ |
| __m256i vsse = _mm256_setzero_si256(); \ |
| __m256i vsum; \ |
| variance##bw##_avx2(src, src_stride, ref, ref_stride, bh, &vsse, &vsum); \ |
| const int sum = variance_final_##max_pixel##_avx2(vsse, vsum, sse); \ |
| return *sse - (uint32_t)(((int64_t)sum * sum) >> bits); \ |
| } |
| |
| AOM_VAR_NO_LOOP_AVX2(16, 8, 7, 512) |
| AOM_VAR_NO_LOOP_AVX2(16, 16, 8, 512) |
| AOM_VAR_NO_LOOP_AVX2(16, 32, 9, 512) |
| |
| AOM_VAR_NO_LOOP_AVX2(32, 16, 9, 512) |
| AOM_VAR_NO_LOOP_AVX2(32, 32, 10, 1024) |
| AOM_VAR_NO_LOOP_AVX2(32, 64, 11, 2048) |
| |
| AOM_VAR_NO_LOOP_AVX2(64, 32, 11, 2048) |
| |
| #if !CONFIG_REALTIME_ONLY |
| AOM_VAR_NO_LOOP_AVX2(64, 16, 10, 1024) |
| AOM_VAR_NO_LOOP_AVX2(32, 8, 8, 512) |
| AOM_VAR_NO_LOOP_AVX2(16, 64, 10, 1024) |
| AOM_VAR_NO_LOOP_AVX2(16, 4, 6, 512) |
| #endif |
| |
| #define AOM_VAR_LOOP_AVX2(bw, bh, bits, uh) \ |
| unsigned int aom_variance##bw##x##bh##_avx2( \ |
| const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \ |
| unsigned int *sse) { \ |
| __m256i vsse = _mm256_setzero_si256(); \ |
| __m256i vsum = _mm256_setzero_si256(); \ |
| for (int i = 0; i < (bh / uh); i++) { \ |
| __m256i vsum16; \ |
| variance##bw##_avx2(src, src_stride, ref, ref_stride, uh, &vsse, \ |
| &vsum16); \ |
| vsum = _mm256_add_epi32(vsum, sum_to_32bit_avx2(vsum16)); \ |
| src += uh * src_stride; \ |
| ref += uh * ref_stride; \ |
| } \ |
| const __m128i vsum_128 = mm256_add_hi_lo_epi32(vsum); \ |
| const int sum = variance_final_from_32bit_sum_avx2(vsse, vsum_128, sse); \ |
| return *sse - (unsigned int)(((int64_t)sum * sum) >> bits); \ |
| } |
| |
| AOM_VAR_LOOP_AVX2(64, 64, 12, 32) // 64x32 * ( 64/32) |
| AOM_VAR_LOOP_AVX2(64, 128, 13, 32) // 64x32 * (128/32) |
| AOM_VAR_LOOP_AVX2(128, 64, 13, 16) // 128x16 * ( 64/16) |
| AOM_VAR_LOOP_AVX2(128, 128, 14, 16) // 128x16 * (128/16) |
| |
| unsigned int aom_mse16x16_avx2(const uint8_t *src, int src_stride, |
| const uint8_t *ref, int ref_stride, |
| unsigned int *sse) { |
| aom_variance16x16_avx2(src, src_stride, ref, ref_stride, sse); |
| return *sse; |
| } |
| |
| 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); |
| int aom_sub_pixel_variance16xh_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); |
| |
| 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); |
| |
| #define AOM_SUB_PIXEL_VAR_AVX2(w, h, wf, wlog2, hlog2) \ |
| unsigned int aom_sub_pixel_variance##w##x##h##_avx2( \ |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ |
| const uint8_t *dst, int dst_stride, unsigned int *sse_ptr) { \ |
| /*Avoid overflow in helper by capping height.*/ \ |
| const int hf = AOMMIN(h, 64); \ |
| unsigned int sse = 0; \ |
| int se = 0; \ |
| for (int i = 0; i < (w / wf); ++i) { \ |
| const uint8_t *src_ptr = src; \ |
| const uint8_t *dst_ptr = dst; \ |
| for (int j = 0; j < (h / hf); ++j) { \ |
| unsigned int sse2; \ |
| const int se2 = aom_sub_pixel_variance##wf##xh_avx2( \ |
| src_ptr, src_stride, x_offset, y_offset, dst_ptr, dst_stride, hf, \ |
| &sse2); \ |
| dst_ptr += hf * dst_stride; \ |
| src_ptr += hf * src_stride; \ |
| se += se2; \ |
| sse += sse2; \ |
| } \ |
| src += wf; \ |
| dst += wf; \ |
| } \ |
| *sse_ptr = sse; \ |
| return sse - (unsigned int)(((int64_t)se * se) >> (wlog2 + hlog2)); \ |
| } |
| |
| AOM_SUB_PIXEL_VAR_AVX2(128, 128, 32, 7, 7) |
| AOM_SUB_PIXEL_VAR_AVX2(128, 64, 32, 7, 6) |
| AOM_SUB_PIXEL_VAR_AVX2(64, 128, 32, 6, 7) |
| AOM_SUB_PIXEL_VAR_AVX2(64, 64, 32, 6, 6) |
| AOM_SUB_PIXEL_VAR_AVX2(64, 32, 32, 6, 5) |
| AOM_SUB_PIXEL_VAR_AVX2(32, 64, 32, 5, 6) |
| AOM_SUB_PIXEL_VAR_AVX2(32, 32, 32, 5, 5) |
| AOM_SUB_PIXEL_VAR_AVX2(32, 16, 32, 5, 4) |
| AOM_SUB_PIXEL_VAR_AVX2(16, 32, 16, 4, 5) |
| AOM_SUB_PIXEL_VAR_AVX2(16, 16, 16, 4, 4) |
| AOM_SUB_PIXEL_VAR_AVX2(16, 8, 16, 4, 3) |
| #if !CONFIG_REALTIME_ONLY |
| AOM_SUB_PIXEL_VAR_AVX2(16, 64, 16, 4, 6) |
| AOM_SUB_PIXEL_VAR_AVX2(16, 4, 16, 4, 2) |
| #endif |
| |
| #define AOM_SUB_PIXEL_AVG_VAR_AVX2(w, h, wf, wlog2, hlog2) \ |
| unsigned int aom_sub_pixel_avg_variance##w##x##h##_avx2( \ |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ |
| const uint8_t *dst, int dst_stride, unsigned int *sse_ptr, \ |
| const uint8_t *sec) { \ |
| /*Avoid overflow in helper by capping height.*/ \ |
| const int hf = AOMMIN(h, 64); \ |
| unsigned int sse = 0; \ |
| int se = 0; \ |
| for (int i = 0; i < (w / wf); ++i) { \ |
| const uint8_t *src_ptr = src; \ |
| const uint8_t *dst_ptr = dst; \ |
| const uint8_t *sec_ptr = sec; \ |
| for (int j = 0; j < (h / hf); ++j) { \ |
| unsigned int sse2; \ |
| const int se2 = aom_sub_pixel_avg_variance##wf##xh_avx2( \ |
| src_ptr, src_stride, x_offset, y_offset, dst_ptr, dst_stride, \ |
| sec_ptr, w, hf, &sse2); \ |
| dst_ptr += hf * dst_stride; \ |
| src_ptr += hf * src_stride; \ |
| sec_ptr += hf * w; \ |
| se += se2; \ |
| sse += sse2; \ |
| } \ |
| src += wf; \ |
| dst += wf; \ |
| sec += wf; \ |
| } \ |
| *sse_ptr = sse; \ |
| return sse - (unsigned int)(((int64_t)se * se) >> (wlog2 + hlog2)); \ |
| } |
| |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(128, 128, 32, 7, 7) |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(128, 64, 32, 7, 6) |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 128, 32, 6, 7) |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 64, 32, 6, 6) |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 32, 32, 6, 5) |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(32, 64, 32, 5, 6) |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(32, 32, 32, 5, 5) |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(32, 16, 32, 5, 4) |
| |
| static INLINE __m256i mm256_loadu2(const uint8_t *p0, const uint8_t *p1) { |
| const __m256i d = |
| _mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)p1)); |
| return _mm256_insertf128_si256(d, _mm_loadu_si128((const __m128i *)p0), 1); |
| } |
| |
| static INLINE __m256i mm256_loadu2_16(const uint16_t *p0, const uint16_t *p1) { |
| const __m256i d = |
| _mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)p1)); |
| return _mm256_insertf128_si256(d, _mm_loadu_si128((const __m128i *)p0), 1); |
| } |
| |
| static INLINE void comp_mask_pred_line_avx2(const __m256i s0, const __m256i s1, |
| const __m256i a, |
| uint8_t *comp_pred) { |
| const __m256i alpha_max = _mm256_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); |
| const int16_t round_bits = 15 - AOM_BLEND_A64_ROUND_BITS; |
| const __m256i round_offset = _mm256_set1_epi16(1 << (round_bits)); |
| |
| const __m256i ma = _mm256_sub_epi8(alpha_max, a); |
| |
| const __m256i ssAL = _mm256_unpacklo_epi8(s0, s1); |
| const __m256i aaAL = _mm256_unpacklo_epi8(a, ma); |
| const __m256i ssAH = _mm256_unpackhi_epi8(s0, s1); |
| const __m256i aaAH = _mm256_unpackhi_epi8(a, ma); |
| |
| const __m256i blendAL = _mm256_maddubs_epi16(ssAL, aaAL); |
| const __m256i blendAH = _mm256_maddubs_epi16(ssAH, aaAH); |
| const __m256i roundAL = _mm256_mulhrs_epi16(blendAL, round_offset); |
| const __m256i roundAH = _mm256_mulhrs_epi16(blendAH, round_offset); |
| |
| const __m256i roundA = _mm256_packus_epi16(roundAL, roundAH); |
| _mm256_storeu_si256((__m256i *)(comp_pred), roundA); |
| } |
| |
| void aom_comp_mask_pred_avx2(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) { |
| int i = 0; |
| 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; |
| if (width == 8) { |
| comp_mask_pred_8_ssse3(comp_pred, height, src0, stride0, src1, stride1, |
| mask, mask_stride); |
| } else if (width == 16) { |
| do { |
| const __m256i sA0 = mm256_loadu2(src0 + stride0, src0); |
| const __m256i sA1 = mm256_loadu2(src1 + stride1, src1); |
| const __m256i aA = mm256_loadu2(mask + mask_stride, mask); |
| src0 += (stride0 << 1); |
| src1 += (stride1 << 1); |
| mask += (mask_stride << 1); |
| const __m256i sB0 = mm256_loadu2(src0 + stride0, src0); |
| const __m256i sB1 = mm256_loadu2(src1 + stride1, src1); |
| const __m256i aB = mm256_loadu2(mask + mask_stride, mask); |
| src0 += (stride0 << 1); |
| src1 += (stride1 << 1); |
| mask += (mask_stride << 1); |
| // comp_pred's stride == width == 16 |
| comp_mask_pred_line_avx2(sA0, sA1, aA, comp_pred); |
| comp_mask_pred_line_avx2(sB0, sB1, aB, comp_pred + 32); |
| comp_pred += (16 << 2); |
| i += 4; |
| } while (i < height); |
| } else { |
| do { |
| for (int x = 0; x < width; x += 32) { |
| const __m256i sA0 = _mm256_lddqu_si256((const __m256i *)(src0 + x)); |
| const __m256i sA1 = _mm256_lddqu_si256((const __m256i *)(src1 + x)); |
| const __m256i aA = _mm256_lddqu_si256((const __m256i *)(mask + x)); |
| |
| comp_mask_pred_line_avx2(sA0, sA1, aA, comp_pred); |
| comp_pred += 32; |
| } |
| src0 += stride0; |
| src1 += stride1; |
| mask += mask_stride; |
| i++; |
| } while (i < height); |
| } |
| } |
| |
| static INLINE __m256i highbd_comp_mask_pred_line_avx2(const __m256i s0, |
| const __m256i s1, |
| const __m256i a) { |
| const __m256i alpha_max = _mm256_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS)); |
| const __m256i round_const = |
| _mm256_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1); |
| const __m256i a_inv = _mm256_sub_epi16(alpha_max, a); |
| |
| const __m256i s_lo = _mm256_unpacklo_epi16(s0, s1); |
| const __m256i a_lo = _mm256_unpacklo_epi16(a, a_inv); |
| const __m256i pred_lo = _mm256_madd_epi16(s_lo, a_lo); |
| const __m256i pred_l = _mm256_srai_epi32( |
| _mm256_add_epi32(pred_lo, round_const), AOM_BLEND_A64_ROUND_BITS); |
| |
| const __m256i s_hi = _mm256_unpackhi_epi16(s0, s1); |
| const __m256i a_hi = _mm256_unpackhi_epi16(a, a_inv); |
| const __m256i pred_hi = _mm256_madd_epi16(s_hi, a_hi); |
| const __m256i pred_h = _mm256_srai_epi32( |
| _mm256_add_epi32(pred_hi, round_const), AOM_BLEND_A64_ROUND_BITS); |
| |
| const __m256i comp = _mm256_packs_epi32(pred_l, pred_h); |
| |
| return comp; |
| } |
| |
| void aom_highbd_comp_mask_pred_avx2(uint8_t *comp_pred8, const uint8_t *pred8, |
| int width, int height, const uint8_t *ref8, |
| int ref_stride, const uint8_t *mask, |
| int mask_stride, int invert_mask) { |
| int i = 0; |
| uint16_t *pred = CONVERT_TO_SHORTPTR(pred8); |
| uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); |
| uint16_t *comp_pred = CONVERT_TO_SHORTPTR(comp_pred8); |
| const uint16_t *src0 = invert_mask ? pred : ref; |
| const uint16_t *src1 = invert_mask ? ref : pred; |
| const int stride0 = invert_mask ? width : ref_stride; |
| const int stride1 = invert_mask ? ref_stride : width; |
| const __m256i zero = _mm256_setzero_si256(); |
| |
| if (width == 8) { |
| do { |
| const __m256i s0 = mm256_loadu2_16(src0 + stride0, src0); |
| const __m256i s1 = mm256_loadu2_16(src1 + stride1, src1); |
| |
| const __m128i m_l = _mm_loadl_epi64((const __m128i *)mask); |
| const __m128i m_h = _mm_loadl_epi64((const __m128i *)(mask + 8)); |
| |
| __m256i m = _mm256_castsi128_si256(m_l); |
| m = _mm256_insertf128_si256(m, m_h, 1); |
| const __m256i m_16 = _mm256_unpacklo_epi8(m, zero); |
| |
| const __m256i comp = highbd_comp_mask_pred_line_avx2(s0, s1, m_16); |
| |
| _mm_storeu_si128((__m128i *)(comp_pred), _mm256_castsi256_si128(comp)); |
| |
| _mm_storeu_si128((__m128i *)(comp_pred + width), |
| _mm256_extractf128_si256(comp, 1)); |
| |
| src0 += (stride0 << 1); |
| src1 += (stride1 << 1); |
| mask += (mask_stride << 1); |
| comp_pred += (width << 1); |
| i += 2; |
| } while (i < height); |
| } else if (width == 16) { |
| do { |
| const __m256i s0 = _mm256_loadu_si256((const __m256i *)(src0)); |
| const __m256i s1 = _mm256_loadu_si256((const __m256i *)(src1)); |
| const __m256i m_16 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)mask)); |
| |
| const __m256i comp = highbd_comp_mask_pred_line_avx2(s0, s1, m_16); |
| |
| _mm256_storeu_si256((__m256i *)comp_pred, comp); |
| |
| src0 += stride0; |
| src1 += stride1; |
| mask += mask_stride; |
| comp_pred += width; |
| i += 1; |
| } while (i < height); |
| } else { |
| do { |
| for (int x = 0; x < width; x += 32) { |
| const __m256i s0 = _mm256_loadu_si256((const __m256i *)(src0 + x)); |
| const __m256i s2 = _mm256_loadu_si256((const __m256i *)(src0 + x + 16)); |
| const __m256i s1 = _mm256_loadu_si256((const __m256i *)(src1 + x)); |
| const __m256i s3 = _mm256_loadu_si256((const __m256i *)(src1 + x + 16)); |
| |
| const __m256i m01_16 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(mask + x))); |
| const __m256i m23_16 = _mm256_cvtepu8_epi16( |
| _mm_loadu_si128((const __m128i *)(mask + x + 16))); |
| |
| const __m256i comp = highbd_comp_mask_pred_line_avx2(s0, s1, m01_16); |
| const __m256i comp1 = highbd_comp_mask_pred_line_avx2(s2, s3, m23_16); |
| |
| _mm256_storeu_si256((__m256i *)comp_pred, comp); |
| _mm256_storeu_si256((__m256i *)(comp_pred + 16), comp1); |
| |
| comp_pred += 32; |
| } |
| src0 += stride0; |
| src1 += stride1; |
| mask += mask_stride; |
| i += 1; |
| } while (i < height); |
| } |
| } |
| |
| uint64_t aom_mse_4xh_16bit_avx2(uint8_t *dst, int dstride, uint16_t *src, |
| int sstride, int h) { |
| uint64_t sum = 0; |
| __m128i dst0_4x8, dst1_4x8, dst2_4x8, dst3_4x8, dst_16x8; |
| __m128i src0_4x16, src1_4x16, src2_4x16, src3_4x16; |
| __m256i src0_8x16, src1_8x16, dst_16x16, src_16x16; |
| __m256i res0_4x64, res1_4x64, res2_4x64, res3_4x64; |
| __m256i sub_result; |
| const __m256i zeros = _mm256_broadcastsi128_si256(_mm_setzero_si128()); |
| __m256i square_result = _mm256_broadcastsi128_si256(_mm_setzero_si128()); |
| for (int i = 0; i < h; i += 4) { |
| dst0_4x8 = _mm_cvtsi32_si128(*(int const *)(&dst[(i + 0) * dstride])); |
| dst1_4x8 = _mm_cvtsi32_si128(*(int const *)(&dst[(i + 1) * dstride])); |
| dst2_4x8 = _mm_cvtsi32_si128(*(int const *)(&dst[(i + 2) * dstride])); |
| dst3_4x8 = _mm_cvtsi32_si128(*(int const *)(&dst[(i + 3) * dstride])); |
| dst_16x8 = _mm_unpacklo_epi64(_mm_unpacklo_epi32(dst0_4x8, dst1_4x8), |
| _mm_unpacklo_epi32(dst2_4x8, dst3_4x8)); |
| dst_16x16 = _mm256_cvtepu8_epi16(dst_16x8); |
| |
| src0_4x16 = _mm_loadl_epi64((__m128i const *)(&src[(i + 0) * sstride])); |
| src1_4x16 = _mm_loadl_epi64((__m128i const *)(&src[(i + 1) * sstride])); |
| src2_4x16 = _mm_loadl_epi64((__m128i const *)(&src[(i + 2) * sstride])); |
| src3_4x16 = _mm_loadl_epi64((__m128i const *)(&src[(i + 3) * sstride])); |
| src0_8x16 = |
| _mm256_castsi128_si256(_mm_unpacklo_epi64(src0_4x16, src1_4x16)); |
| src1_8x16 = |
| _mm256_castsi128_si256(_mm_unpacklo_epi64(src2_4x16, src3_4x16)); |
| src_16x16 = _mm256_permute2x128_si256(src0_8x16, src1_8x16, 0x20); |
| |
| sub_result = _mm256_abs_epi16(_mm256_sub_epi16(src_16x16, dst_16x16)); |
| |
| src_16x16 = _mm256_unpacklo_epi16(sub_result, zeros); |
| dst_16x16 = _mm256_unpackhi_epi16(sub_result, zeros); |
| |
| src_16x16 = _mm256_madd_epi16(src_16x16, src_16x16); // 32bit store |
| dst_16x16 = _mm256_madd_epi16(dst_16x16, dst_16x16); // 32bit store |
| |
| res0_4x64 = _mm256_unpacklo_epi32(src_16x16, zeros); |
| res1_4x64 = _mm256_unpackhi_epi32(src_16x16, zeros); |
| res2_4x64 = _mm256_unpacklo_epi32(dst_16x16, zeros); |
| res3_4x64 = _mm256_unpackhi_epi32(dst_16x16, zeros); |
| |
| square_result = _mm256_add_epi64( |
| square_result, |
| _mm256_add_epi64( |
| _mm256_add_epi64(_mm256_add_epi64(res0_4x64, res1_4x64), res2_4x64), |
| res3_4x64)); |
| } |
| const __m128i sum_2x64 = |
| _mm_add_epi64(_mm256_castsi256_si128(square_result), |
| _mm256_extracti128_si256(square_result, 1)); |
| const __m128i sum_1x64 = _mm_add_epi64(sum_2x64, _mm_srli_si128(sum_2x64, 8)); |
| xx_storel_64(&sum, sum_1x64); |
| return sum; |
| } |
| |
| uint64_t aom_mse_8xh_16bit_avx2(uint8_t *dst, int dstride, uint16_t *src, |
| int sstride, int h) { |
| uint64_t sum = 0; |
| __m128i dst0_8x8, dst1_8x8, dst3_16x8; |
| __m256i src0_8x16, src1_8x16, src_16x16, dst_16x16; |
| __m256i res0_4x64, res1_4x64, res2_4x64, res3_4x64; |
| __m256i sub_result; |
| const __m256i zeros = _mm256_broadcastsi128_si256(_mm_setzero_si128()); |
| __m256i square_result = _mm256_broadcastsi128_si256(_mm_setzero_si128()); |
| |
| for (int i = 0; i < h; i += 2) { |
| dst0_8x8 = _mm_loadl_epi64((__m128i const *)(&dst[(i + 0) * dstride])); |
| dst1_8x8 = _mm_loadl_epi64((__m128i const *)(&dst[(i + 1) * dstride])); |
| dst3_16x8 = _mm_unpacklo_epi64(dst0_8x8, dst1_8x8); |
| dst_16x16 = _mm256_cvtepu8_epi16(dst3_16x8); |
| |
| src0_8x16 = |
| _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)&src[i * sstride])); |
| src1_8x16 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)&src[(i + 1) * sstride])); |
| src_16x16 = _mm256_permute2x128_si256(src0_8x16, src1_8x16, 0x20); |
| |
| sub_result = _mm256_abs_epi16(_mm256_sub_epi16(src_16x16, dst_16x16)); |
| |
| src_16x16 = _mm256_unpacklo_epi16(sub_result, zeros); |
| dst_16x16 = _mm256_unpackhi_epi16(sub_result, zeros); |
| |
| src_16x16 = _mm256_madd_epi16(src_16x16, src_16x16); |
| dst_16x16 = _mm256_madd_epi16(dst_16x16, dst_16x16); |
| |
| res0_4x64 = _mm256_unpacklo_epi32(src_16x16, zeros); |
| res1_4x64 = _mm256_unpackhi_epi32(src_16x16, zeros); |
| res2_4x64 = _mm256_unpacklo_epi32(dst_16x16, zeros); |
| res3_4x64 = _mm256_unpackhi_epi32(dst_16x16, zeros); |
| |
| square_result = _mm256_add_epi64( |
| square_result, |
| _mm256_add_epi64( |
| _mm256_add_epi64(_mm256_add_epi64(res0_4x64, res1_4x64), res2_4x64), |
| res3_4x64)); |
| } |
| |
| const __m128i sum_2x64 = |
| _mm_add_epi64(_mm256_castsi256_si128(square_result), |
| _mm256_extracti128_si256(square_result, 1)); |
| const __m128i sum_1x64 = _mm_add_epi64(sum_2x64, _mm_srli_si128(sum_2x64, 8)); |
| xx_storel_64(&sum, sum_1x64); |
| return sum; |
| } |
| |
| uint64_t aom_mse_wxh_16bit_avx2(uint8_t *dst, int dstride, uint16_t *src, |
| int sstride, int w, int h) { |
| assert((w == 8 || w == 4) && (h == 8 || h == 4) && |
| "w=8/4 and h=8/4 must satisfy"); |
| switch (w) { |
| case 4: return aom_mse_4xh_16bit_avx2(dst, dstride, src, sstride, h); |
| case 8: return aom_mse_8xh_16bit_avx2(dst, dstride, src, sstride, h); |
| default: assert(0 && "unsupported width"); return -1; |
| } |
| } |
| |
| static INLINE void sum_final_256bit_avx2(__m256i sum_8x16[2], int *const sum) { |
| const __m256i sum_result_0 = _mm256_hadd_epi16(sum_8x16[0], sum_8x16[1]); |
| const __m256i sum_result_1 = |
| _mm256_add_epi16(_mm256_srli_si256(sum_result_0, 4), sum_result_0); |
| const __m256i sum_result_2 = |
| _mm256_add_epi16(_mm256_srli_si256(sum_result_1, 2), sum_result_1); |
| const __m128i sum_128_high = _mm256_extractf128_si256(sum_result_2, 1); |
| const __m128i sum_result_3 = |
| _mm_unpacklo_epi16(_mm256_castsi256_si128(sum_result_2), sum_128_high); |
| const __m128i sum_result_4 = |
| _mm_unpackhi_epi16(_mm256_castsi256_si128(sum_result_2), sum_128_high); |
| const __m128i sum_result_5 = _mm_unpacklo_epi32(sum_result_3, sum_result_4); |
| |
| _mm_storeu_si128((__m128i *)sum, _mm_cvtepi16_epi32(sum_result_5)); |
| } |
| |
| static INLINE void calc_sum_sse_for_8x32_block_avx2(const uint8_t *src, |
| const uint8_t *ref, |
| __m256i sse_8x16[2], |
| __m256i sum_8x16[2]) { |
| const __m256i s0_256 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)src)); |
| const __m256i r0_256 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)ref)); |
| const __m256i s1_256 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(src + 16))); |
| const __m256i r1_256 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(ref + 16))); |
| const __m256i diff0 = _mm256_sub_epi16(s0_256, r0_256); |
| const __m256i diff1 = _mm256_sub_epi16(s1_256, r1_256); |
| |
| sse_8x16[0] = _mm256_add_epi32(sse_8x16[0], _mm256_madd_epi16(diff0, diff0)); |
| sse_8x16[1] = _mm256_add_epi32(sse_8x16[1], _mm256_madd_epi16(diff1, diff1)); |
| sum_8x16[0] = _mm256_add_epi16(sum_8x16[0], diff0); |
| sum_8x16[1] = _mm256_add_epi16(sum_8x16[1], diff1); |
| } |
| |
| static INLINE void get_sse_sum_8x8_quad_avx2(const uint8_t *src, |
| const int src_stride, |
| const uint8_t *ref, |
| const int ref_stride, const int h, |
| unsigned int *const sse, |
| int *const sum) { |
| assert(h <= 128); // May overflow for larger height. |
| __m256i sse_8x16[2], sum_8x16[2]; |
| sum_8x16[0] = _mm256_setzero_si256(); |
| sse_8x16[0] = _mm256_setzero_si256(); |
| sum_8x16[1] = sum_8x16[0]; |
| sse_8x16[1] = sse_8x16[0]; |
| |
| for (int i = 0; i < h; i += 2) { |
| // Process 8x32 block of first row. |
| calc_sum_sse_for_8x32_block_avx2(src, ref, sse_8x16, sum_8x16); |
| |
| // Process 8x32 block of second row. |
| calc_sum_sse_for_8x32_block_avx2(src + src_stride, ref + ref_stride, |
| sse_8x16, sum_8x16); |
| |
| src += src_stride << 1; |
| ref += ref_stride << 1; |
| } |
| |
| // Add sse registers appropriately to get each 8x8 block sse separately. |
| const __m256i sse_result_1 = _mm256_hadd_epi32(sse_8x16[0], sse_8x16[1]); |
| const __m256i sse_result_2 = |
| _mm256_hadd_epi32(sse_result_1, _mm256_setzero_si256()); |
| const __m256i sse_result_3 = _mm256_permute4x64_epi64(sse_result_2, 0xd8); |
| |
| _mm_storeu_si128( |
| (__m128i *)sse, |
| _mm_shuffle_epi32(_mm256_castsi256_si128(sse_result_3), 0xd8)); |
| |
| // Add sum registers appropriately to get each 8x8 block sum separately. |
| sum_final_256bit_avx2(sum_8x16, sum); |
| } |
| |
| void aom_get_sse_sum_8x8_quad_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| unsigned int *sse, int *sum) { |
| get_sse_sum_8x8_quad_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 8, sse, |
| sum); |
| } |
