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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/blend_a64_mask_avx2.c | 900 |
1 files changed, 900 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/blend_a64_mask_avx2.c b/third_party/aom/aom_dsp/x86/blend_a64_mask_avx2.c new file mode 100644 index 0000000000..67fb4d32bd --- /dev/null +++ b/third_party/aom/aom_dsp/x86/blend_a64_mask_avx2.c @@ -0,0 +1,900 @@ +/* + * Copyright (c) 2018, 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 <smmintrin.h> // SSE4.1 +#include <immintrin.h> // AVX2 + +#include <assert.h> + +#include "aom/aom_integer.h" +#include "aom_ports/mem.h" +#include "aom_dsp/aom_dsp_common.h" + +#include "aom_dsp/x86/synonyms.h" +#include "aom_dsp/x86/synonyms_avx2.h" +#include "aom_dsp/x86/blend_sse4.h" +#include "aom_dsp/x86/blend_mask_sse4.h" + +#include "config/aom_dsp_rtcd.h" + +static INLINE void blend_a64_d16_mask_w16_avx2( + uint8_t *dst, const CONV_BUF_TYPE *src0, const CONV_BUF_TYPE *src1, + const __m256i *m0, const __m256i *v_round_offset, const __m256i *v_maxval, + int shift) { + const __m256i max_minus_m0 = _mm256_sub_epi16(*v_maxval, *m0); + const __m256i s0_0 = yy_loadu_256(src0); + const __m256i s1_0 = yy_loadu_256(src1); + __m256i res0_lo = _mm256_madd_epi16(_mm256_unpacklo_epi16(s0_0, s1_0), + _mm256_unpacklo_epi16(*m0, max_minus_m0)); + __m256i res0_hi = _mm256_madd_epi16(_mm256_unpackhi_epi16(s0_0, s1_0), + _mm256_unpackhi_epi16(*m0, max_minus_m0)); + res0_lo = + _mm256_srai_epi32(_mm256_sub_epi32(res0_lo, *v_round_offset), shift); + res0_hi = + _mm256_srai_epi32(_mm256_sub_epi32(res0_hi, *v_round_offset), shift); + const __m256i res0 = _mm256_packs_epi32(res0_lo, res0_hi); + __m256i res = _mm256_packus_epi16(res0, res0); + res = _mm256_permute4x64_epi64(res, 0xd8); + _mm_storeu_si128((__m128i *)(dst), _mm256_castsi256_si128(res)); +} + +static INLINE void blend_a64_d16_mask_w32_avx2( + uint8_t *dst, const CONV_BUF_TYPE *src0, const CONV_BUF_TYPE *src1, + const __m256i *m0, const __m256i *m1, const __m256i *v_round_offset, + const __m256i *v_maxval, int shift) { + const __m256i max_minus_m0 = _mm256_sub_epi16(*v_maxval, *m0); + const __m256i max_minus_m1 = _mm256_sub_epi16(*v_maxval, *m1); + const __m256i s0_0 = yy_loadu_256(src0); + const __m256i s0_1 = yy_loadu_256(src0 + 16); + const __m256i s1_0 = yy_loadu_256(src1); + const __m256i s1_1 = yy_loadu_256(src1 + 16); + __m256i res0_lo = _mm256_madd_epi16(_mm256_unpacklo_epi16(s0_0, s1_0), + _mm256_unpacklo_epi16(*m0, max_minus_m0)); + __m256i res0_hi = _mm256_madd_epi16(_mm256_unpackhi_epi16(s0_0, s1_0), + _mm256_unpackhi_epi16(*m0, max_minus_m0)); + __m256i res1_lo = _mm256_madd_epi16(_mm256_unpacklo_epi16(s0_1, s1_1), + _mm256_unpacklo_epi16(*m1, max_minus_m1)); + __m256i res1_hi = _mm256_madd_epi16(_mm256_unpackhi_epi16(s0_1, s1_1), + _mm256_unpackhi_epi16(*m1, max_minus_m1)); + res0_lo = + _mm256_srai_epi32(_mm256_sub_epi32(res0_lo, *v_round_offset), shift); + res0_hi = + _mm256_srai_epi32(_mm256_sub_epi32(res0_hi, *v_round_offset), shift); + res1_lo = + _mm256_srai_epi32(_mm256_sub_epi32(res1_lo, *v_round_offset), shift); + res1_hi = + _mm256_srai_epi32(_mm256_sub_epi32(res1_hi, *v_round_offset), shift); + const __m256i res0 = _mm256_packs_epi32(res0_lo, res0_hi); + const __m256i res1 = _mm256_packs_epi32(res1_lo, res1_hi); + __m256i res = _mm256_packus_epi16(res0, res1); + res = _mm256_permute4x64_epi64(res, 0xd8); + _mm256_storeu_si256((__m256i *)(dst), res); +} + +static INLINE void lowbd_blend_a64_d16_mask_subw0_subh0_w16_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, + const __m256i *round_offset, int shift) { + const __m256i v_maxval = _mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + for (int i = 0; i < h; ++i) { + const __m128i m = xx_loadu_128(mask); + const __m256i m0 = _mm256_cvtepu8_epi16(m); + + blend_a64_d16_mask_w16_avx2(dst, src0, src1, &m0, round_offset, &v_maxval, + shift); + mask += mask_stride; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw0_subh0_w32_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m256i *round_offset, int shift) { + const __m256i v_maxval = _mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 32) { + const __m256i m = yy_loadu_256(mask + j); + const __m256i m0 = _mm256_cvtepu8_epi16(_mm256_castsi256_si128(m)); + const __m256i m1 = _mm256_cvtepu8_epi16(_mm256_extracti128_si256(m, 1)); + + blend_a64_d16_mask_w32_avx2(dst + j, src0 + j, src1 + j, &m0, &m1, + round_offset, &v_maxval, shift); + } + mask += mask_stride; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw1_subh1_w16_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, + const __m256i *round_offset, int shift) { + const __m256i v_maxval = _mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m256i one_b = _mm256_set1_epi8(1); + const __m256i two_w = _mm256_set1_epi16(2); + for (int i = 0; i < h; ++i) { + const __m256i m_i00 = yy_loadu_256(mask); + const __m256i m_i10 = yy_loadu_256(mask + mask_stride); + + const __m256i m0_ac = _mm256_adds_epu8(m_i00, m_i10); + const __m256i m0_acbd = _mm256_maddubs_epi16(m0_ac, one_b); + const __m256i m0 = _mm256_srli_epi16(_mm256_add_epi16(m0_acbd, two_w), 2); + + blend_a64_d16_mask_w16_avx2(dst, src0, src1, &m0, round_offset, &v_maxval, + shift); + mask += mask_stride << 1; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw1_subh1_w32_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m256i *round_offset, int shift) { + const __m256i v_maxval = _mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m256i one_b = _mm256_set1_epi8(1); + const __m256i two_w = _mm256_set1_epi16(2); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 32) { + const __m256i m_i00 = yy_loadu_256(mask + 2 * j); + const __m256i m_i01 = yy_loadu_256(mask + 2 * j + 32); + const __m256i m_i10 = yy_loadu_256(mask + mask_stride + 2 * j); + const __m256i m_i11 = yy_loadu_256(mask + mask_stride + 2 * j + 32); + + const __m256i m0_ac = _mm256_adds_epu8(m_i00, m_i10); + const __m256i m1_ac = _mm256_adds_epu8(m_i01, m_i11); + const __m256i m0_acbd = _mm256_maddubs_epi16(m0_ac, one_b); + const __m256i m1_acbd = _mm256_maddubs_epi16(m1_ac, one_b); + const __m256i m0 = _mm256_srli_epi16(_mm256_add_epi16(m0_acbd, two_w), 2); + const __m256i m1 = _mm256_srli_epi16(_mm256_add_epi16(m1_acbd, two_w), 2); + + blend_a64_d16_mask_w32_avx2(dst + j, src0 + j, src1 + j, &m0, &m1, + round_offset, &v_maxval, shift); + } + mask += mask_stride << 1; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw1_subh0_w16_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m256i *round_offset, int shift) { + const __m256i v_maxval = _mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m256i one_b = _mm256_set1_epi8(1); + const __m256i zeros = _mm256_setzero_si256(); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 16) { + const __m256i m_i00 = yy_loadu_256(mask + 2 * j); + const __m256i m0_ac = _mm256_maddubs_epi16(m_i00, one_b); + const __m256i m0 = _mm256_avg_epu16(m0_ac, zeros); + + blend_a64_d16_mask_w16_avx2(dst + j, src0 + j, src1 + j, &m0, + round_offset, &v_maxval, shift); + } + mask += mask_stride; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw1_subh0_w32_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m256i *round_offset, int shift) { + const __m256i v_maxval = _mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m256i one_b = _mm256_set1_epi8(1); + const __m256i zeros = _mm256_setzero_si256(); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 32) { + const __m256i m_i00 = yy_loadu_256(mask + 2 * j); + const __m256i m_i01 = yy_loadu_256(mask + 2 * j + 32); + const __m256i m0_ac = _mm256_maddubs_epi16(m_i00, one_b); + const __m256i m1_ac = _mm256_maddubs_epi16(m_i01, one_b); + const __m256i m0 = _mm256_avg_epu16(m0_ac, zeros); + const __m256i m1 = _mm256_avg_epu16(m1_ac, zeros); + + blend_a64_d16_mask_w32_avx2(dst + j, src0 + j, src1 + j, &m0, &m1, + round_offset, &v_maxval, shift); + } + mask += mask_stride; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw0_subh1_w16_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m256i *round_offset, int shift) { + const __m256i v_maxval = _mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m128i zeros = _mm_setzero_si128(); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 16) { + const __m128i m_i00 = xx_loadu_128(mask + j); + const __m128i m_i10 = xx_loadu_128(mask + mask_stride + j); + + const __m128i m_ac = _mm_avg_epu8(_mm_adds_epu8(m_i00, m_i10), zeros); + const __m256i m0 = _mm256_cvtepu8_epi16(m_ac); + + blend_a64_d16_mask_w16_avx2(dst + j, src0 + j, src1 + j, &m0, + round_offset, &v_maxval, shift); + } + mask += mask_stride << 1; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw0_subh1_w32_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m256i *round_offset, int shift) { + const __m256i v_maxval = _mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m256i zeros = _mm256_setzero_si256(); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 32) { + const __m256i m_i00 = yy_loadu_256(mask + j); + const __m256i m_i10 = yy_loadu_256(mask + mask_stride + j); + + const __m256i m_ac = + _mm256_avg_epu8(_mm256_adds_epu8(m_i00, m_i10), zeros); + const __m256i m0 = _mm256_cvtepu8_epi16(_mm256_castsi256_si128(m_ac)); + const __m256i m1 = + _mm256_cvtepu8_epi16(_mm256_extracti128_si256(m_ac, 1)); + + blend_a64_d16_mask_w32_avx2(dst + j, src0 + j, src1 + j, &m0, &m1, + round_offset, &v_maxval, shift); + } + mask += mask_stride << 1; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +void aom_lowbd_blend_a64_d16_mask_avx2( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h, int subw, int subh, + ConvolveParams *conv_params) { + const int bd = 8; + const int round_bits = + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + + const int round_offset = + ((1 << (round_bits + bd)) + (1 << (round_bits + bd - 1)) - + (1 << (round_bits - 1))) + << AOM_BLEND_A64_ROUND_BITS; + + const int shift = round_bits + AOM_BLEND_A64_ROUND_BITS; + assert(IMPLIES((void *)src0 == dst, src0_stride == dst_stride)); + assert(IMPLIES((void *)src1 == dst, src1_stride == dst_stride)); + + assert(h >= 4); + assert(w >= 4); + assert(IS_POWER_OF_TWO(h)); + assert(IS_POWER_OF_TWO(w)); + const __m128i v_round_offset = _mm_set1_epi32(round_offset); + const __m256i y_round_offset = _mm256_set1_epi32(round_offset); + + if (subw == 0 && subh == 0) { + switch (w) { + case 4: + aom_lowbd_blend_a64_d16_mask_subw0_subh0_w4_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 8: + aom_lowbd_blend_a64_d16_mask_subw0_subh0_w8_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 16: + lowbd_blend_a64_d16_mask_subw0_subh0_w16_avx2( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &y_round_offset, shift); + break; + default: + lowbd_blend_a64_d16_mask_subw0_subh0_w32_avx2( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &y_round_offset, shift); + break; + } + } else if (subw == 1 && subh == 1) { + switch (w) { + case 4: + aom_lowbd_blend_a64_d16_mask_subw1_subh1_w4_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 8: + aom_lowbd_blend_a64_d16_mask_subw1_subh1_w8_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 16: + lowbd_blend_a64_d16_mask_subw1_subh1_w16_avx2( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &y_round_offset, shift); + break; + default: + lowbd_blend_a64_d16_mask_subw1_subh1_w32_avx2( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &y_round_offset, shift); + break; + } + } else if (subw == 1 && subh == 0) { + switch (w) { + case 4: + aom_lowbd_blend_a64_d16_mask_subw1_subh0_w4_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 8: + aom_lowbd_blend_a64_d16_mask_subw1_subh0_w8_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 16: + lowbd_blend_a64_d16_mask_subw1_subh0_w16_avx2( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &y_round_offset, shift); + break; + default: + lowbd_blend_a64_d16_mask_subw1_subh0_w32_avx2( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &y_round_offset, shift); + break; + } + } else { + switch (w) { + case 4: + aom_lowbd_blend_a64_d16_mask_subw0_subh1_w4_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 8: + aom_lowbd_blend_a64_d16_mask_subw0_subh1_w8_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 16: + lowbd_blend_a64_d16_mask_subw0_subh1_w16_avx2( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &y_round_offset, shift); + break; + default: + lowbd_blend_a64_d16_mask_subw0_subh1_w32_avx2( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &y_round_offset, shift); + break; + } + } +} + +static INLINE __m256i blend_16_u8_avx2(const uint8_t *src0, const uint8_t *src1, + const __m256i *v_m0_b, + const __m256i *v_m1_b, + const int32_t bits) { + const __m256i v_s0_b = _mm256_castsi128_si256(xx_loadu_128(src0)); + const __m256i v_s1_b = _mm256_castsi128_si256(xx_loadu_128(src1)); + const __m256i v_s0_s_b = _mm256_permute4x64_epi64(v_s0_b, 0xd8); + const __m256i v_s1_s_b = _mm256_permute4x64_epi64(v_s1_b, 0xd8); + + const __m256i v_p0_w = + _mm256_maddubs_epi16(_mm256_unpacklo_epi8(v_s0_s_b, v_s1_s_b), + _mm256_unpacklo_epi8(*v_m0_b, *v_m1_b)); + + const __m256i v_res0_w = yy_roundn_epu16(v_p0_w, bits); + const __m256i v_res_b = _mm256_packus_epi16(v_res0_w, v_res0_w); + const __m256i v_res = _mm256_permute4x64_epi64(v_res_b, 0xd8); + return v_res; +} + +static INLINE __m256i blend_32_u8_avx2(const uint8_t *src0, const uint8_t *src1, + const __m256i *v_m0_b, + const __m256i *v_m1_b, + const int32_t bits) { + const __m256i v_s0_b = yy_loadu_256(src0); + const __m256i v_s1_b = yy_loadu_256(src1); + + const __m256i v_p0_w = + _mm256_maddubs_epi16(_mm256_unpacklo_epi8(v_s0_b, v_s1_b), + _mm256_unpacklo_epi8(*v_m0_b, *v_m1_b)); + const __m256i v_p1_w = + _mm256_maddubs_epi16(_mm256_unpackhi_epi8(v_s0_b, v_s1_b), + _mm256_unpackhi_epi8(*v_m0_b, *v_m1_b)); + + const __m256i v_res0_w = yy_roundn_epu16(v_p0_w, bits); + const __m256i v_res1_w = yy_roundn_epu16(v_p1_w, bits); + const __m256i v_res = _mm256_packus_epi16(v_res0_w, v_res1_w); + return v_res; +} + +static INLINE void blend_a64_mask_sx_sy_w16_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h) { + const __m256i v_zmask_b = _mm256_set1_epi16(0xFF); + const __m256i v_maxval_b = _mm256_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + do { + const __m256i v_ral_b = yy_loadu_256(mask); + const __m256i v_rbl_b = yy_loadu_256(mask + mask_stride); + const __m256i v_rvsl_b = _mm256_add_epi8(v_ral_b, v_rbl_b); + const __m256i v_rvsal_w = _mm256_and_si256(v_rvsl_b, v_zmask_b); + const __m256i v_rvsbl_w = + _mm256_and_si256(_mm256_srli_si256(v_rvsl_b, 1), v_zmask_b); + const __m256i v_rsl_w = _mm256_add_epi16(v_rvsal_w, v_rvsbl_w); + + const __m256i v_m0_w = yy_roundn_epu16(v_rsl_w, 2); + const __m256i v_m0_b = _mm256_packus_epi16(v_m0_w, v_m0_w); + const __m256i v_m1_b = _mm256_sub_epi8(v_maxval_b, v_m0_b); + + const __m256i y_res_b = blend_16_u8_avx2(src0, src1, &v_m0_b, &v_m1_b, + AOM_BLEND_A64_ROUND_BITS); + + xx_storeu_128(dst, _mm256_castsi256_si128(y_res_b)); + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static INLINE void blend_a64_mask_sx_sy_w32n_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m256i v_maxval_b = _mm256_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m256i v_zmask_b = _mm256_set1_epi16(0xFF); + do { + int c; + for (c = 0; c < w; c += 32) { + const __m256i v_ral_b = yy_loadu_256(mask + 2 * c); + const __m256i v_rah_b = yy_loadu_256(mask + 2 * c + 32); + const __m256i v_rbl_b = yy_loadu_256(mask + mask_stride + 2 * c); + const __m256i v_rbh_b = yy_loadu_256(mask + mask_stride + 2 * c + 32); + const __m256i v_rvsl_b = _mm256_add_epi8(v_ral_b, v_rbl_b); + const __m256i v_rvsh_b = _mm256_add_epi8(v_rah_b, v_rbh_b); + const __m256i v_rvsal_w = _mm256_and_si256(v_rvsl_b, v_zmask_b); + const __m256i v_rvsah_w = _mm256_and_si256(v_rvsh_b, v_zmask_b); + const __m256i v_rvsbl_w = + _mm256_and_si256(_mm256_srli_si256(v_rvsl_b, 1), v_zmask_b); + const __m256i v_rvsbh_w = + _mm256_and_si256(_mm256_srli_si256(v_rvsh_b, 1), v_zmask_b); + const __m256i v_rsl_w = _mm256_add_epi16(v_rvsal_w, v_rvsbl_w); + const __m256i v_rsh_w = _mm256_add_epi16(v_rvsah_w, v_rvsbh_w); + + const __m256i v_m0l_w = yy_roundn_epu16(v_rsl_w, 2); + const __m256i v_m0h_w = yy_roundn_epu16(v_rsh_w, 2); + const __m256i v_m0_b = + _mm256_permute4x64_epi64(_mm256_packus_epi16(v_m0l_w, v_m0h_w), 0xd8); + const __m256i v_m1_b = _mm256_sub_epi8(v_maxval_b, v_m0_b); + + const __m256i v_res_b = blend_32_u8_avx2( + src0 + c, src1 + c, &v_m0_b, &v_m1_b, AOM_BLEND_A64_ROUND_BITS); + + yy_storeu_256(dst + c, v_res_b); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static INLINE void blend_a64_mask_sx_sy_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_shuffle_b = xx_loadu_128(g_blend_a64_mask_shuffle); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + switch (w) { + case 4: + do { + const __m128i v_ra_b = xx_loadl_64(mask); + const __m128i v_rb_b = xx_loadl_64(mask + mask_stride); + const __m128i v_rvs_b = _mm_add_epi8(v_ra_b, v_rb_b); + const __m128i v_r_s_b = _mm_shuffle_epi8(v_rvs_b, v_shuffle_b); + const __m128i v_r0_s_w = _mm_cvtepu8_epi16(v_r_s_b); + const __m128i v_r1_s_w = _mm_cvtepu8_epi16(_mm_srli_si128(v_r_s_b, 8)); + const __m128i v_rs_w = _mm_add_epi16(v_r0_s_w, v_r1_s_w); + const __m128i v_m0_w = xx_roundn_epu16(v_rs_w, 2); + const __m128i v_m0_b = _mm_packus_epi16(v_m0_w, v_m0_w); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_4_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_32(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); + break; + case 8: + do { + const __m128i v_ra_b = xx_loadu_128(mask); + const __m128i v_rb_b = xx_loadu_128(mask + mask_stride); + const __m128i v_rvs_b = _mm_add_epi8(v_ra_b, v_rb_b); + const __m128i v_r_s_b = _mm_shuffle_epi8(v_rvs_b, v_shuffle_b); + const __m128i v_r0_s_w = _mm_cvtepu8_epi16(v_r_s_b); + const __m128i v_r1_s_w = _mm_cvtepu8_epi16(_mm_srli_si128(v_r_s_b, 8)); + const __m128i v_rs_w = _mm_add_epi16(v_r0_s_w, v_r1_s_w); + const __m128i v_m0_w = xx_roundn_epu16(v_rs_w, 2); + const __m128i v_m0_b = _mm_packus_epi16(v_m0_w, v_m0_w); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_8_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_64(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); + break; + case 16: + blend_a64_mask_sx_sy_w16_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h); + break; + default: + blend_a64_mask_sx_sy_w32n_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h); + break; + } +} + +static INLINE void blend_a64_mask_sx_w16_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h) { + const __m256i v_maxval_b = _mm256_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m256i v_zmask_b = _mm256_set1_epi16(0xff); + do { + const __m256i v_rl_b = yy_loadu_256(mask); + const __m256i v_al_b = + _mm256_avg_epu8(v_rl_b, _mm256_srli_si256(v_rl_b, 1)); + + const __m256i v_m0_w = _mm256_and_si256(v_al_b, v_zmask_b); + const __m256i v_m0_b = _mm256_packus_epi16(v_m0_w, _mm256_setzero_si256()); + const __m256i v_m1_b = _mm256_sub_epi8(v_maxval_b, v_m0_b); + + const __m256i v_res_b = blend_16_u8_avx2(src0, src1, &v_m0_b, &v_m1_b, + AOM_BLEND_A64_ROUND_BITS); + + xx_storeu_128(dst, _mm256_castsi256_si128(v_res_b)); + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static INLINE void blend_a64_mask_sx_w32n_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m256i v_shuffle_b = yy_loadu_256(g_blend_a64_mask_shuffle); + const __m256i v_maxval_b = _mm256_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + do { + int c; + for (c = 0; c < w; c += 32) { + const __m256i v_r0_b = yy_loadu_256(mask + 2 * c); + const __m256i v_r1_b = yy_loadu_256(mask + 2 * c + 32); + const __m256i v_r0_s_b = _mm256_shuffle_epi8(v_r0_b, v_shuffle_b); + const __m256i v_r1_s_b = _mm256_shuffle_epi8(v_r1_b, v_shuffle_b); + const __m256i v_al_b = + _mm256_avg_epu8(v_r0_s_b, _mm256_srli_si256(v_r0_s_b, 8)); + const __m256i v_ah_b = + _mm256_avg_epu8(v_r1_s_b, _mm256_srli_si256(v_r1_s_b, 8)); + + const __m256i v_m0_b = + _mm256_permute4x64_epi64(_mm256_unpacklo_epi64(v_al_b, v_ah_b), 0xd8); + const __m256i v_m1_b = _mm256_sub_epi8(v_maxval_b, v_m0_b); + + const __m256i v_res_b = blend_32_u8_avx2( + src0 + c, src1 + c, &v_m0_b, &v_m1_b, AOM_BLEND_A64_ROUND_BITS); + + yy_storeu_256(dst + c, v_res_b); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static INLINE void blend_a64_mask_sx_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_shuffle_b = xx_loadu_128(g_blend_a64_mask_shuffle); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + switch (w) { + case 4: + do { + const __m128i v_r_b = xx_loadl_64(mask); + const __m128i v_r0_s_b = _mm_shuffle_epi8(v_r_b, v_shuffle_b); + const __m128i v_r_lo_b = _mm_unpacklo_epi64(v_r0_s_b, v_r0_s_b); + const __m128i v_r_hi_b = _mm_unpackhi_epi64(v_r0_s_b, v_r0_s_b); + const __m128i v_m0_b = _mm_avg_epu8(v_r_lo_b, v_r_hi_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_4_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_32(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); + break; + case 8: + do { + const __m128i v_r_b = xx_loadu_128(mask); + const __m128i v_r0_s_b = _mm_shuffle_epi8(v_r_b, v_shuffle_b); + const __m128i v_r_lo_b = _mm_unpacklo_epi64(v_r0_s_b, v_r0_s_b); + const __m128i v_r_hi_b = _mm_unpackhi_epi64(v_r0_s_b, v_r0_s_b); + const __m128i v_m0_b = _mm_avg_epu8(v_r_lo_b, v_r_hi_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_8_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_64(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); + break; + case 16: + blend_a64_mask_sx_w16_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h); + break; + default: + blend_a64_mask_sx_w32n_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h); + break; + } +} + +static INLINE void blend_a64_mask_sy_w16_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h) { + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + do { + const __m128i v_ra_b = xx_loadu_128(mask); + const __m128i v_rb_b = xx_loadu_128(mask + mask_stride); + const __m128i v_m0_b = _mm_avg_epu8(v_ra_b, v_rb_b); + + const __m128i v_m1_b = _mm_sub_epi16(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_16_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storeu_128(dst, v_res_b); + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static INLINE void blend_a64_mask_sy_w32n_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m256i v_maxval_b = _mm256_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + do { + int c; + for (c = 0; c < w; c += 32) { + const __m256i v_ra_b = yy_loadu_256(mask + c); + const __m256i v_rb_b = yy_loadu_256(mask + c + mask_stride); + const __m256i v_m0_b = _mm256_avg_epu8(v_ra_b, v_rb_b); + const __m256i v_m1_b = _mm256_sub_epi8(v_maxval_b, v_m0_b); + const __m256i v_res_b = blend_32_u8_avx2( + src0 + c, src1 + c, &v_m0_b, &v_m1_b, AOM_BLEND_A64_ROUND_BITS); + + yy_storeu_256(dst + c, v_res_b); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static INLINE void blend_a64_mask_sy_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + switch (w) { + case 4: + do { + const __m128i v_ra_b = xx_loadl_32(mask); + const __m128i v_rb_b = xx_loadl_32(mask + mask_stride); + const __m128i v_m0_b = _mm_avg_epu8(v_ra_b, v_rb_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_4_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_32(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); + break; + case 8: + do { + const __m128i v_ra_b = xx_loadl_64(mask); + const __m128i v_rb_b = xx_loadl_64(mask + mask_stride); + const __m128i v_m0_b = _mm_avg_epu8(v_ra_b, v_rb_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_8_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_64(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); + break; + case 16: + blend_a64_mask_sy_w16_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h); + break; + default: + blend_a64_mask_sy_w32n_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h); + } +} + +static INLINE void blend_a64_mask_w32n_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m256i v_maxval_b = _mm256_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + do { + int c; + for (c = 0; c < w; c += 32) { + const __m256i v_m0_b = yy_loadu_256(mask + c); + const __m256i v_m1_b = _mm256_sub_epi8(v_maxval_b, v_m0_b); + + const __m256i v_res_b = blend_32_u8_avx2( + src0 + c, src1 + c, &v_m0_b, &v_m1_b, AOM_BLEND_A64_ROUND_BITS); + + yy_storeu_256(dst + c, v_res_b); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static INLINE void blend_a64_mask_avx2( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + switch (w) { + case 4: + do { + const __m128i v_m0_b = xx_loadl_32(mask); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_4_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_32(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); + break; + case 8: + do { + const __m128i v_m0_b = xx_loadl_64(mask); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_8_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_64(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); + break; + case 16: + do { + const __m128i v_m0_b = xx_loadu_128(mask); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_16_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storeu_128(dst, v_res_b); + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); + break; + default: + blend_a64_mask_w32n_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h); + } +} + +void aom_blend_a64_mask_avx2(uint8_t *dst, uint32_t dst_stride, + const uint8_t *src0, uint32_t src0_stride, + const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, + int h, int subx, int suby) { + assert(IMPLIES(src0 == dst, src0_stride == dst_stride)); + assert(IMPLIES(src1 == dst, src1_stride == dst_stride)); + + assert(h >= 1); + assert(w >= 1); + assert(IS_POWER_OF_TWO(h)); + assert(IS_POWER_OF_TWO(w)); + + if (UNLIKELY((h | w) & 3)) { // if (w <= 2 || h <= 2) + aom_blend_a64_mask_c(dst, dst_stride, src0, src0_stride, src1, src1_stride, + mask, mask_stride, w, h, subx, suby); + } else { + if (subx & suby) { + blend_a64_mask_sx_sy_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h); + } else if (subx) { + blend_a64_mask_sx_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h); + } else if (suby) { + blend_a64_mask_sy_avx2(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h); + } else { + blend_a64_mask_avx2(dst, dst_stride, src0, src0_stride, src1, src1_stride, + mask, mask_stride, w, h); + } + } +} |