| /* |
| * Copyright (c) 2017 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include <immintrin.h> |
| |
| #include "./vpx_dsp_rtcd.h" |
| #include "vpx/vpx_integer.h" |
| #include "vpx_dsp/x86/bitdepth_conversion_avx2.h" |
| #include "vpx_ports/mem.h" |
| |
| static void hadamard_col8x2_avx2(__m256i *in, int iter) { |
| __m256i a0 = in[0]; |
| __m256i a1 = in[1]; |
| __m256i a2 = in[2]; |
| __m256i a3 = in[3]; |
| __m256i a4 = in[4]; |
| __m256i a5 = in[5]; |
| __m256i a6 = in[6]; |
| __m256i a7 = in[7]; |
| |
| __m256i b0 = _mm256_add_epi16(a0, a1); |
| __m256i b1 = _mm256_sub_epi16(a0, a1); |
| __m256i b2 = _mm256_add_epi16(a2, a3); |
| __m256i b3 = _mm256_sub_epi16(a2, a3); |
| __m256i b4 = _mm256_add_epi16(a4, a5); |
| __m256i b5 = _mm256_sub_epi16(a4, a5); |
| __m256i b6 = _mm256_add_epi16(a6, a7); |
| __m256i b7 = _mm256_sub_epi16(a6, a7); |
| |
| a0 = _mm256_add_epi16(b0, b2); |
| a1 = _mm256_add_epi16(b1, b3); |
| a2 = _mm256_sub_epi16(b0, b2); |
| a3 = _mm256_sub_epi16(b1, b3); |
| a4 = _mm256_add_epi16(b4, b6); |
| a5 = _mm256_add_epi16(b5, b7); |
| a6 = _mm256_sub_epi16(b4, b6); |
| a7 = _mm256_sub_epi16(b5, b7); |
| |
| if (iter == 0) { |
| b0 = _mm256_add_epi16(a0, a4); |
| b7 = _mm256_add_epi16(a1, a5); |
| b3 = _mm256_add_epi16(a2, a6); |
| b4 = _mm256_add_epi16(a3, a7); |
| b2 = _mm256_sub_epi16(a0, a4); |
| b6 = _mm256_sub_epi16(a1, a5); |
| b1 = _mm256_sub_epi16(a2, a6); |
| b5 = _mm256_sub_epi16(a3, a7); |
| |
| a0 = _mm256_unpacklo_epi16(b0, b1); |
| a1 = _mm256_unpacklo_epi16(b2, b3); |
| a2 = _mm256_unpackhi_epi16(b0, b1); |
| a3 = _mm256_unpackhi_epi16(b2, b3); |
| a4 = _mm256_unpacklo_epi16(b4, b5); |
| a5 = _mm256_unpacklo_epi16(b6, b7); |
| a6 = _mm256_unpackhi_epi16(b4, b5); |
| a7 = _mm256_unpackhi_epi16(b6, b7); |
| |
| b0 = _mm256_unpacklo_epi32(a0, a1); |
| b1 = _mm256_unpacklo_epi32(a4, a5); |
| b2 = _mm256_unpackhi_epi32(a0, a1); |
| b3 = _mm256_unpackhi_epi32(a4, a5); |
| b4 = _mm256_unpacklo_epi32(a2, a3); |
| b5 = _mm256_unpacklo_epi32(a6, a7); |
| b6 = _mm256_unpackhi_epi32(a2, a3); |
| b7 = _mm256_unpackhi_epi32(a6, a7); |
| |
| in[0] = _mm256_unpacklo_epi64(b0, b1); |
| in[1] = _mm256_unpackhi_epi64(b0, b1); |
| in[2] = _mm256_unpacklo_epi64(b2, b3); |
| in[3] = _mm256_unpackhi_epi64(b2, b3); |
| in[4] = _mm256_unpacklo_epi64(b4, b5); |
| in[5] = _mm256_unpackhi_epi64(b4, b5); |
| in[6] = _mm256_unpacklo_epi64(b6, b7); |
| in[7] = _mm256_unpackhi_epi64(b6, b7); |
| } else { |
| in[0] = _mm256_add_epi16(a0, a4); |
| in[7] = _mm256_add_epi16(a1, a5); |
| in[3] = _mm256_add_epi16(a2, a6); |
| in[4] = _mm256_add_epi16(a3, a7); |
| in[2] = _mm256_sub_epi16(a0, a4); |
| in[6] = _mm256_sub_epi16(a1, a5); |
| in[1] = _mm256_sub_epi16(a2, a6); |
| in[5] = _mm256_sub_epi16(a3, a7); |
| } |
| } |
| |
| static void hadamard_8x8x2_avx2(int16_t const *src_diff, ptrdiff_t src_stride, |
| int16_t *coeff) { |
| __m256i src[8]; |
| src[0] = _mm256_loadu_si256((const __m256i *)src_diff); |
| src[1] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[2] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[3] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[4] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[5] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[6] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[7] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| |
| hadamard_col8x2_avx2(src, 0); |
| hadamard_col8x2_avx2(src, 1); |
| |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[0], src[1], 0x20)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[2], src[3], 0x20)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[4], src[5], 0x20)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[6], src[7], 0x20)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[0], src[1], 0x31)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[2], src[3], 0x31)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[4], src[5], 0x31)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[6], src[7], 0x31)); |
| } |
| |
| void vpx_hadamard_16x16_avx2(int16_t const *src_diff, ptrdiff_t src_stride, |
| tran_low_t *coeff) { |
| int idx; |
| #if CONFIG_VP9_HIGHBITDEPTH |
| DECLARE_ALIGNED(32, int16_t, temp_coeff[16 * 16]); |
| int16_t *t_coeff = temp_coeff; |
| #else |
| int16_t *t_coeff = coeff; |
| #endif |
| |
| for (idx = 0; idx < 2; ++idx) { |
| int16_t const *src_ptr = src_diff + idx * 8 * src_stride; |
| hadamard_8x8x2_avx2(src_ptr, src_stride, t_coeff + (idx * 64 * 2)); |
| } |
| |
| for (idx = 0; idx < 64; idx += 16) { |
| const __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); |
| const __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 64)); |
| const __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 128)); |
| const __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 192)); |
| |
| __m256i b0 = _mm256_add_epi16(coeff0, coeff1); |
| __m256i b1 = _mm256_sub_epi16(coeff0, coeff1); |
| __m256i b2 = _mm256_add_epi16(coeff2, coeff3); |
| __m256i b3 = _mm256_sub_epi16(coeff2, coeff3); |
| |
| b0 = _mm256_srai_epi16(b0, 1); |
| b1 = _mm256_srai_epi16(b1, 1); |
| b2 = _mm256_srai_epi16(b2, 1); |
| b3 = _mm256_srai_epi16(b3, 1); |
| |
| store_tran_low(_mm256_add_epi16(b0, b2), coeff); |
| store_tran_low(_mm256_add_epi16(b1, b3), coeff + 64); |
| store_tran_low(_mm256_sub_epi16(b0, b2), coeff + 128); |
| store_tran_low(_mm256_sub_epi16(b1, b3), coeff + 192); |
| |
| coeff += 16; |
| t_coeff += 16; |
| } |
| } |
| |
| int vpx_satd_avx2(const tran_low_t *coeff, int length) { |
| const __m256i one = _mm256_set1_epi16(1); |
| __m256i accum = _mm256_setzero_si256(); |
| int i; |
| |
| for (i = 0; i < length; i += 16) { |
| const __m256i src_line = load_tran_low(coeff); |
| const __m256i abs = _mm256_abs_epi16(src_line); |
| const __m256i sum = _mm256_madd_epi16(abs, one); |
| accum = _mm256_add_epi32(accum, sum); |
| coeff += 16; |
| } |
| |
| { // 32 bit horizontal add |
| const __m256i a = _mm256_srli_si256(accum, 8); |
| const __m256i b = _mm256_add_epi32(accum, a); |
| const __m256i c = _mm256_srli_epi64(b, 32); |
| const __m256i d = _mm256_add_epi32(b, c); |
| const __m128i accum_128 = _mm_add_epi32(_mm256_castsi256_si128(d), |
| _mm256_extractf128_si256(d, 1)); |
| return _mm_cvtsi128_si32(accum_128); |
| } |
| } |