ref: 66772d2b11a91450a7e2a08471de8e1be6fc0f2d
dir: /vpx_dsp/x86/highbd_convolve_avx2.c/
/* * 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_dsp/x86/convolve.h" #include "vpx_dsp/x86/convolve_avx2.h" // ----------------------------------------------------------------------------- // Copy and average void vpx_highbd_convolve_copy_avx2(const uint16_t *src, ptrdiff_t src_stride, uint16_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h, int bd) { (void)filter; (void)x0_q4; (void)x_step_q4; (void)y0_q4; (void)y_step_q4; (void)bd; assert(w % 4 == 0); if (w > 32) { // w = 64 do { const __m256i p0 = _mm256_loadu_si256((const __m256i *)src); const __m256i p1 = _mm256_loadu_si256((const __m256i *)(src + 16)); const __m256i p2 = _mm256_loadu_si256((const __m256i *)(src + 32)); const __m256i p3 = _mm256_loadu_si256((const __m256i *)(src + 48)); src += src_stride; _mm256_storeu_si256((__m256i *)dst, p0); _mm256_storeu_si256((__m256i *)(dst + 16), p1); _mm256_storeu_si256((__m256i *)(dst + 32), p2); _mm256_storeu_si256((__m256i *)(dst + 48), p3); dst += dst_stride; h--; } while (h > 0); } else if (w > 16) { // w = 32 do { const __m256i p0 = _mm256_loadu_si256((const __m256i *)src); const __m256i p1 = _mm256_loadu_si256((const __m256i *)(src + 16)); src += src_stride; _mm256_storeu_si256((__m256i *)dst, p0); _mm256_storeu_si256((__m256i *)(dst + 16), p1); dst += dst_stride; h--; } while (h > 0); } else if (w > 8) { // w = 16 __m256i p0, p1; do { p0 = _mm256_loadu_si256((const __m256i *)src); src += src_stride; p1 = _mm256_loadu_si256((const __m256i *)src); src += src_stride; _mm256_storeu_si256((__m256i *)dst, p0); dst += dst_stride; _mm256_storeu_si256((__m256i *)dst, p1); dst += dst_stride; h -= 2; } while (h > 0); } else if (w > 4) { // w = 8 __m128i p0, p1; do { p0 = _mm_loadu_si128((const __m128i *)src); src += src_stride; p1 = _mm_loadu_si128((const __m128i *)src); src += src_stride; _mm_storeu_si128((__m128i *)dst, p0); dst += dst_stride; _mm_storeu_si128((__m128i *)dst, p1); dst += dst_stride; h -= 2; } while (h > 0); } else { // w = 4 __m128i p0, p1; do { p0 = _mm_loadl_epi64((const __m128i *)src); src += src_stride; p1 = _mm_loadl_epi64((const __m128i *)src); src += src_stride; _mm_storel_epi64((__m128i *)dst, p0); dst += dst_stride; _mm_storel_epi64((__m128i *)dst, p1); dst += dst_stride; h -= 2; } while (h > 0); } } void vpx_highbd_convolve_avg_avx2(const uint16_t *src, ptrdiff_t src_stride, uint16_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h, int bd) { (void)filter; (void)x0_q4; (void)x_step_q4; (void)y0_q4; (void)y_step_q4; (void)bd; assert(w % 4 == 0); if (w > 32) { // w = 64 __m256i p0, p1, p2, p3, u0, u1, u2, u3; do { p0 = _mm256_loadu_si256((const __m256i *)src); p1 = _mm256_loadu_si256((const __m256i *)(src + 16)); p2 = _mm256_loadu_si256((const __m256i *)(src + 32)); p3 = _mm256_loadu_si256((const __m256i *)(src + 48)); src += src_stride; u0 = _mm256_loadu_si256((const __m256i *)dst); u1 = _mm256_loadu_si256((const __m256i *)(dst + 16)); u2 = _mm256_loadu_si256((const __m256i *)(dst + 32)); u3 = _mm256_loadu_si256((const __m256i *)(dst + 48)); _mm256_storeu_si256((__m256i *)dst, _mm256_avg_epu16(p0, u0)); _mm256_storeu_si256((__m256i *)(dst + 16), _mm256_avg_epu16(p1, u1)); _mm256_storeu_si256((__m256i *)(dst + 32), _mm256_avg_epu16(p2, u2)); _mm256_storeu_si256((__m256i *)(dst + 48), _mm256_avg_epu16(p3, u3)); dst += dst_stride; h--; } while (h > 0); } else if (w > 16) { // w = 32 __m256i p0, p1, u0, u1; do { p0 = _mm256_loadu_si256((const __m256i *)src); p1 = _mm256_loadu_si256((const __m256i *)(src + 16)); src += src_stride; u0 = _mm256_loadu_si256((const __m256i *)dst); u1 = _mm256_loadu_si256((const __m256i *)(dst + 16)); _mm256_storeu_si256((__m256i *)dst, _mm256_avg_epu16(p0, u0)); _mm256_storeu_si256((__m256i *)(dst + 16), _mm256_avg_epu16(p1, u1)); dst += dst_stride; h--; } while (h > 0); } else if (w > 8) { // w = 16 __m256i p0, p1, u0, u1; do { p0 = _mm256_loadu_si256((const __m256i *)src); p1 = _mm256_loadu_si256((const __m256i *)(src + src_stride)); src += src_stride << 1; u0 = _mm256_loadu_si256((const __m256i *)dst); u1 = _mm256_loadu_si256((const __m256i *)(dst + dst_stride)); _mm256_storeu_si256((__m256i *)dst, _mm256_avg_epu16(p0, u0)); _mm256_storeu_si256((__m256i *)(dst + dst_stride), _mm256_avg_epu16(p1, u1)); dst += dst_stride << 1; h -= 2; } while (h > 0); } else if (w > 4) { // w = 8 __m128i p0, p1, u0, u1; do { p0 = _mm_loadu_si128((const __m128i *)src); p1 = _mm_loadu_si128((const __m128i *)(src + src_stride)); src += src_stride << 1; u0 = _mm_loadu_si128((const __m128i *)dst); u1 = _mm_loadu_si128((const __m128i *)(dst + dst_stride)); _mm_storeu_si128((__m128i *)dst, _mm_avg_epu16(p0, u0)); _mm_storeu_si128((__m128i *)(dst + dst_stride), _mm_avg_epu16(p1, u1)); dst += dst_stride << 1; h -= 2; } while (h > 0); } else { // w = 4 __m128i p0, p1, u0, u1; do { p0 = _mm_loadl_epi64((const __m128i *)src); p1 = _mm_loadl_epi64((const __m128i *)(src + src_stride)); src += src_stride << 1; u0 = _mm_loadl_epi64((const __m128i *)dst); u1 = _mm_loadl_epi64((const __m128i *)(dst + dst_stride)); _mm_storel_epi64((__m128i *)dst, _mm_avg_epu16(u0, p0)); _mm_storel_epi64((__m128i *)(dst + dst_stride), _mm_avg_epu16(u1, p1)); dst += dst_stride << 1; h -= 2; } while (h > 0); } } // ----------------------------------------------------------------------------- // Horizontal and vertical filtering static const uint8_t signal_pattern_0[32] = { 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9, 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9 }; static const uint8_t signal_pattern_1[32] = { 4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13, 4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13 }; static const uint8_t signal_pattern_2[32] = { 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13, 12, 13, 14, 15, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13, 12, 13, 14, 15 }; static const uint32_t signal_index[8] = { 2, 3, 4, 5, 2, 3, 4, 5 }; #define CONV8_ROUNDING_BITS (7) #define CONV8_ROUNDING_NUM (1 << (CONV8_ROUNDING_BITS - 1)) // ----------------------------------------------------------------------------- // Horizontal Filtering static INLINE void pack_pixels(const __m256i *s, __m256i *p /*p[4]*/) { const __m256i idx = _mm256_loadu_si256((const __m256i *)signal_index); const __m256i sf0 = _mm256_loadu_si256((const __m256i *)signal_pattern_0); const __m256i sf1 = _mm256_loadu_si256((const __m256i *)signal_pattern_1); const __m256i c = _mm256_permutevar8x32_epi32(*s, idx); p[0] = _mm256_shuffle_epi8(*s, sf0); // x0x6 p[1] = _mm256_shuffle_epi8(*s, sf1); // x1x7 p[2] = _mm256_shuffle_epi8(c, sf0); // x2x4 p[3] = _mm256_shuffle_epi8(c, sf1); // x3x5 } // Note: // Shared by 8x2 and 16x1 block static INLINE void pack_16_pixels(const __m256i *s0, const __m256i *s1, __m256i *x /*x[8]*/) { __m256i pp[8]; pack_pixels(s0, pp); pack_pixels(s1, &pp[4]); x[0] = _mm256_permute2x128_si256(pp[0], pp[4], 0x20); x[1] = _mm256_permute2x128_si256(pp[1], pp[5], 0x20); x[2] = _mm256_permute2x128_si256(pp[2], pp[6], 0x20); x[3] = _mm256_permute2x128_si256(pp[3], pp[7], 0x20); x[4] = x[2]; x[5] = x[3]; x[6] = _mm256_permute2x128_si256(pp[0], pp[4], 0x31); x[7] = _mm256_permute2x128_si256(pp[1], pp[5], 0x31); } static INLINE void pack_8x1_pixels(const uint16_t *src, __m256i *x) { __m256i pp[8]; __m256i s0; s0 = _mm256_loadu_si256((const __m256i *)src); pack_pixels(&s0, pp); x[0] = _mm256_permute2x128_si256(pp[0], pp[2], 0x30); x[1] = _mm256_permute2x128_si256(pp[1], pp[3], 0x30); x[2] = _mm256_permute2x128_si256(pp[2], pp[0], 0x30); x[3] = _mm256_permute2x128_si256(pp[3], pp[1], 0x30); } static INLINE void pack_8x2_pixels(const uint16_t *src, ptrdiff_t stride, __m256i *x) { __m256i s0, s1; s0 = _mm256_loadu_si256((const __m256i *)src); s1 = _mm256_loadu_si256((const __m256i *)(src + stride)); pack_16_pixels(&s0, &s1, x); } static INLINE void pack_16x1_pixels(const uint16_t *src, __m256i *x) { __m256i s0, s1; s0 = _mm256_loadu_si256((const __m256i *)src); s1 = _mm256_loadu_si256((const __m256i *)(src + 8)); pack_16_pixels(&s0, &s1, x); } // Note: // Shared by horizontal and vertical filtering static INLINE void pack_filters(const int16_t *filter, __m256i *f /*f[4]*/) { const __m128i h = _mm_loadu_si128((const __m128i *)filter); const __m256i hh = _mm256_insertf128_si256(_mm256_castsi128_si256(h), h, 1); const __m256i p0 = _mm256_set1_epi32(0x03020100); const __m256i p1 = _mm256_set1_epi32(0x07060504); const __m256i p2 = _mm256_set1_epi32(0x0b0a0908); const __m256i p3 = _mm256_set1_epi32(0x0f0e0d0c); f[0] = _mm256_shuffle_epi8(hh, p0); f[1] = _mm256_shuffle_epi8(hh, p1); f[2] = _mm256_shuffle_epi8(hh, p2); f[3] = _mm256_shuffle_epi8(hh, p3); } static INLINE void filter_8x1_pixels(const __m256i *sig /*sig[4]*/, const __m256i *fil /*fil[4]*/, __m256i *y) { __m256i a, a0, a1; a0 = _mm256_madd_epi16(fil[0], sig[0]); a1 = _mm256_madd_epi16(fil[3], sig[3]); a = _mm256_add_epi32(a0, a1); a0 = _mm256_madd_epi16(fil[1], sig[1]); a1 = _mm256_madd_epi16(fil[2], sig[2]); { const __m256i min = _mm256_min_epi32(a0, a1); a = _mm256_add_epi32(a, min); } { const __m256i max = _mm256_max_epi32(a0, a1); a = _mm256_add_epi32(a, max); } { const __m256i rounding = _mm256_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); a = _mm256_add_epi32(a, rounding); *y = _mm256_srai_epi32(a, CONV8_ROUNDING_BITS); } } static INLINE void store_8x1_pixels(const __m256i *y, const __m256i *mask, uint16_t *dst) { const __m128i a0 = _mm256_castsi256_si128(*y); const __m128i a1 = _mm256_extractf128_si256(*y, 1); __m128i res = _mm_packus_epi32(a0, a1); res = _mm_min_epi16(res, _mm256_castsi256_si128(*mask)); _mm_storeu_si128((__m128i *)dst, res); } static INLINE void store_8x2_pixels(const __m256i *y0, const __m256i *y1, const __m256i *mask, uint16_t *dst, ptrdiff_t pitch) { __m256i a = _mm256_packus_epi32(*y0, *y1); a = _mm256_min_epi16(a, *mask); _mm_storeu_si128((__m128i *)dst, _mm256_castsi256_si128(a)); _mm_storeu_si128((__m128i *)(dst + pitch), _mm256_extractf128_si256(a, 1)); } static INLINE void store_16x1_pixels(const __m256i *y0, const __m256i *y1, const __m256i *mask, uint16_t *dst) { __m256i a = _mm256_packus_epi32(*y0, *y1); a = _mm256_min_epi16(a, *mask); _mm256_storeu_si256((__m256i *)dst, a); } static void vpx_highbd_filter_block1d8_h8_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[8], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff[4]; pack_filters(filter, ff); src_ptr -= 3; do { pack_8x2_pixels(src_ptr, src_pitch, signal); filter_8x1_pixels(signal, ff, &res0); filter_8x1_pixels(&signal[4], ff, &res1); store_8x2_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); height -= 2; src_ptr += src_pitch << 1; dst_ptr += dst_pitch << 1; } while (height > 1); if (height > 0) { pack_8x1_pixels(src_ptr, signal); filter_8x1_pixels(signal, ff, &res0); store_8x1_pixels(&res0, &max, dst_ptr); } } static void vpx_highbd_filter_block1d16_h8_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[8], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff[4]; pack_filters(filter, ff); src_ptr -= 3; do { pack_16x1_pixels(src_ptr, signal); filter_8x1_pixels(signal, ff, &res0); filter_8x1_pixels(&signal[4], ff, &res1); store_16x1_pixels(&res0, &res1, &max, dst_ptr); height -= 1; src_ptr += src_pitch; dst_ptr += dst_pitch; } while (height > 0); } // ----------------------------------------------------------------------------- // 2-tap horizontal filtering static INLINE void pack_2t_filter(const int16_t *filter, __m256i *f) { const __m128i h = _mm_loadu_si128((const __m128i *)filter); const __m256i hh = _mm256_insertf128_si256(_mm256_castsi128_si256(h), h, 1); const __m256i p = _mm256_set1_epi32(0x09080706); f[0] = _mm256_shuffle_epi8(hh, p); } // can be used by pack_8x2_2t_pixels() and pack_16x1_2t_pixels() // the difference is s0/s1 specifies first and second rows or, // first 16 samples and 8-sample shifted 16 samples static INLINE void pack_16_2t_pixels(const __m256i *s0, const __m256i *s1, __m256i *sig) { const __m256i idx = _mm256_loadu_si256((const __m256i *)signal_index); const __m256i sf2 = _mm256_loadu_si256((const __m256i *)signal_pattern_2); __m256i x0 = _mm256_shuffle_epi8(*s0, sf2); __m256i x1 = _mm256_shuffle_epi8(*s1, sf2); __m256i r0 = _mm256_permutevar8x32_epi32(*s0, idx); __m256i r1 = _mm256_permutevar8x32_epi32(*s1, idx); r0 = _mm256_shuffle_epi8(r0, sf2); r1 = _mm256_shuffle_epi8(r1, sf2); sig[0] = _mm256_permute2x128_si256(x0, x1, 0x20); sig[1] = _mm256_permute2x128_si256(r0, r1, 0x20); } static INLINE void pack_8x2_2t_pixels(const uint16_t *src, const ptrdiff_t pitch, __m256i *sig) { const __m256i r0 = _mm256_loadu_si256((const __m256i *)src); const __m256i r1 = _mm256_loadu_si256((const __m256i *)(src + pitch)); pack_16_2t_pixels(&r0, &r1, sig); } static INLINE void pack_16x1_2t_pixels(const uint16_t *src, __m256i *sig /*sig[2]*/) { const __m256i r0 = _mm256_loadu_si256((const __m256i *)src); const __m256i r1 = _mm256_loadu_si256((const __m256i *)(src + 8)); pack_16_2t_pixels(&r0, &r1, sig); } static INLINE void pack_8x1_2t_pixels(const uint16_t *src, __m256i *sig /*sig[2]*/) { const __m256i idx = _mm256_loadu_si256((const __m256i *)signal_index); const __m256i sf2 = _mm256_loadu_si256((const __m256i *)signal_pattern_2); __m256i r0 = _mm256_loadu_si256((const __m256i *)src); __m256i x0 = _mm256_shuffle_epi8(r0, sf2); r0 = _mm256_permutevar8x32_epi32(r0, idx); r0 = _mm256_shuffle_epi8(r0, sf2); sig[0] = _mm256_permute2x128_si256(x0, r0, 0x20); } // can be used by filter_8x2_2t_pixels() and filter_16x1_2t_pixels() static INLINE void filter_16_2t_pixels(const __m256i *sig, const __m256i *f, __m256i *y0, __m256i *y1) { const __m256i rounding = _mm256_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); __m256i x0 = _mm256_madd_epi16(sig[0], *f); __m256i x1 = _mm256_madd_epi16(sig[1], *f); x0 = _mm256_add_epi32(x0, rounding); x1 = _mm256_add_epi32(x1, rounding); *y0 = _mm256_srai_epi32(x0, CONV8_ROUNDING_BITS); *y1 = _mm256_srai_epi32(x1, CONV8_ROUNDING_BITS); } static INLINE void filter_8x1_2t_pixels(const __m256i *sig, const __m256i *f, __m256i *y0) { const __m256i rounding = _mm256_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); __m256i x0 = _mm256_madd_epi16(sig[0], *f); x0 = _mm256_add_epi32(x0, rounding); *y0 = _mm256_srai_epi32(x0, CONV8_ROUNDING_BITS); } static void vpx_highbd_filter_block1d8_h2_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[2], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff; pack_2t_filter(filter, &ff); src_ptr -= 3; do { pack_8x2_2t_pixels(src_ptr, src_pitch, signal); filter_16_2t_pixels(signal, &ff, &res0, &res1); store_8x2_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); height -= 2; src_ptr += src_pitch << 1; dst_ptr += dst_pitch << 1; } while (height > 1); if (height > 0) { pack_8x1_2t_pixels(src_ptr, signal); filter_8x1_2t_pixels(signal, &ff, &res0); store_8x1_pixels(&res0, &max, dst_ptr); } } static void vpx_highbd_filter_block1d16_h2_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[2], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff; pack_2t_filter(filter, &ff); src_ptr -= 3; do { pack_16x1_2t_pixels(src_ptr, signal); filter_16_2t_pixels(signal, &ff, &res0, &res1); store_16x1_pixels(&res0, &res1, &max, dst_ptr); height -= 1; src_ptr += src_pitch; dst_ptr += dst_pitch; } while (height > 0); } // ----------------------------------------------------------------------------- // Vertical Filtering static void pack_8x9_init(const uint16_t *src, ptrdiff_t pitch, __m256i *sig) { __m256i s0 = _mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)src)); __m256i s1 = _mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)(src + pitch))); __m256i s2 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src + 2 * pitch))); __m256i s3 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src + 3 * pitch))); __m256i s4 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src + 4 * pitch))); __m256i s5 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src + 5 * pitch))); __m256i s6 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src + 6 * pitch))); s0 = _mm256_inserti128_si256(s0, _mm256_castsi256_si128(s1), 1); s1 = _mm256_inserti128_si256(s1, _mm256_castsi256_si128(s2), 1); s2 = _mm256_inserti128_si256(s2, _mm256_castsi256_si128(s3), 1); s3 = _mm256_inserti128_si256(s3, _mm256_castsi256_si128(s4), 1); s4 = _mm256_inserti128_si256(s4, _mm256_castsi256_si128(s5), 1); s5 = _mm256_inserti128_si256(s5, _mm256_castsi256_si128(s6), 1); sig[0] = _mm256_unpacklo_epi16(s0, s1); sig[4] = _mm256_unpackhi_epi16(s0, s1); sig[1] = _mm256_unpacklo_epi16(s2, s3); sig[5] = _mm256_unpackhi_epi16(s2, s3); sig[2] = _mm256_unpacklo_epi16(s4, s5); sig[6] = _mm256_unpackhi_epi16(s4, s5); sig[8] = s6; } static INLINE void pack_8x9_pixels(const uint16_t *src, ptrdiff_t pitch, __m256i *sig) { // base + 7th row __m256i s0 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src + 7 * pitch))); // base + 8th row __m256i s1 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src + 8 * pitch))); __m256i s2 = _mm256_inserti128_si256(sig[8], _mm256_castsi256_si128(s0), 1); __m256i s3 = _mm256_inserti128_si256(s0, _mm256_castsi256_si128(s1), 1); sig[3] = _mm256_unpacklo_epi16(s2, s3); sig[7] = _mm256_unpackhi_epi16(s2, s3); sig[8] = s1; } static INLINE void filter_8x9_pixels(const __m256i *sig, const __m256i *f, __m256i *y0, __m256i *y1) { filter_8x1_pixels(sig, f, y0); filter_8x1_pixels(&sig[4], f, y1); } static INLINE void update_pixels(__m256i *sig) { int i; for (i = 0; i < 3; ++i) { sig[i] = sig[i + 1]; sig[i + 4] = sig[i + 5]; } } static void vpx_highbd_filter_block1d8_v8_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[9], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff[4]; pack_filters(filter, ff); pack_8x9_init(src_ptr, src_pitch, signal); do { pack_8x9_pixels(src_ptr, src_pitch, signal); filter_8x9_pixels(signal, ff, &res0, &res1); store_8x2_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); update_pixels(signal); src_ptr += src_pitch << 1; dst_ptr += dst_pitch << 1; height -= 2; } while (height > 0); } static void pack_16x9_init(const uint16_t *src, ptrdiff_t pitch, __m256i *sig) { __m256i u0, u1, u2, u3; // load 0-6 rows const __m256i s0 = _mm256_loadu_si256((const __m256i *)src); const __m256i s1 = _mm256_loadu_si256((const __m256i *)(src + pitch)); const __m256i s2 = _mm256_loadu_si256((const __m256i *)(src + 2 * pitch)); const __m256i s3 = _mm256_loadu_si256((const __m256i *)(src + 3 * pitch)); const __m256i s4 = _mm256_loadu_si256((const __m256i *)(src + 4 * pitch)); const __m256i s5 = _mm256_loadu_si256((const __m256i *)(src + 5 * pitch)); const __m256i s6 = _mm256_loadu_si256((const __m256i *)(src + 6 * pitch)); u0 = _mm256_permute2x128_si256(s0, s1, 0x20); // 0, 1 low u1 = _mm256_permute2x128_si256(s0, s1, 0x31); // 0, 1 high u2 = _mm256_permute2x128_si256(s1, s2, 0x20); // 1, 2 low u3 = _mm256_permute2x128_si256(s1, s2, 0x31); // 1, 2 high sig[0] = _mm256_unpacklo_epi16(u0, u2); sig[4] = _mm256_unpackhi_epi16(u0, u2); sig[8] = _mm256_unpacklo_epi16(u1, u3); sig[12] = _mm256_unpackhi_epi16(u1, u3); u0 = _mm256_permute2x128_si256(s2, s3, 0x20); u1 = _mm256_permute2x128_si256(s2, s3, 0x31); u2 = _mm256_permute2x128_si256(s3, s4, 0x20); u3 = _mm256_permute2x128_si256(s3, s4, 0x31); sig[1] = _mm256_unpacklo_epi16(u0, u2); sig[5] = _mm256_unpackhi_epi16(u0, u2); sig[9] = _mm256_unpacklo_epi16(u1, u3); sig[13] = _mm256_unpackhi_epi16(u1, u3); u0 = _mm256_permute2x128_si256(s4, s5, 0x20); u1 = _mm256_permute2x128_si256(s4, s5, 0x31); u2 = _mm256_permute2x128_si256(s5, s6, 0x20); u3 = _mm256_permute2x128_si256(s5, s6, 0x31); sig[2] = _mm256_unpacklo_epi16(u0, u2); sig[6] = _mm256_unpackhi_epi16(u0, u2); sig[10] = _mm256_unpacklo_epi16(u1, u3); sig[14] = _mm256_unpackhi_epi16(u1, u3); sig[16] = s6; } static void pack_16x9_pixels(const uint16_t *src, ptrdiff_t pitch, __m256i *sig) { // base + 7th row const __m256i s7 = _mm256_loadu_si256((const __m256i *)(src + 7 * pitch)); // base + 8th row const __m256i s8 = _mm256_loadu_si256((const __m256i *)(src + 8 * pitch)); __m256i u0, u1, u2, u3; u0 = _mm256_permute2x128_si256(sig[16], s7, 0x20); u1 = _mm256_permute2x128_si256(sig[16], s7, 0x31); u2 = _mm256_permute2x128_si256(s7, s8, 0x20); u3 = _mm256_permute2x128_si256(s7, s8, 0x31); sig[3] = _mm256_unpacklo_epi16(u0, u2); sig[7] = _mm256_unpackhi_epi16(u0, u2); sig[11] = _mm256_unpacklo_epi16(u1, u3); sig[15] = _mm256_unpackhi_epi16(u1, u3); sig[16] = s8; } static INLINE void filter_16x9_pixels(const __m256i *sig, const __m256i *f, __m256i *y0, __m256i *y1) { __m256i res[4]; int i; for (i = 0; i < 4; ++i) { filter_8x1_pixels(&sig[i << 2], f, &res[i]); } { const __m256i l0l1 = _mm256_packus_epi32(res[0], res[1]); const __m256i h0h1 = _mm256_packus_epi32(res[2], res[3]); *y0 = _mm256_permute2x128_si256(l0l1, h0h1, 0x20); *y1 = _mm256_permute2x128_si256(l0l1, h0h1, 0x31); } } static INLINE void store_16x2_pixels(const __m256i *y0, const __m256i *y1, const __m256i *mask, uint16_t *dst, ptrdiff_t pitch) { __m256i p = _mm256_min_epi16(*y0, *mask); _mm256_storeu_si256((__m256i *)dst, p); p = _mm256_min_epi16(*y1, *mask); _mm256_storeu_si256((__m256i *)(dst + pitch), p); } static void update_16x9_pixels(__m256i *sig) { update_pixels(&sig[0]); update_pixels(&sig[8]); } static void vpx_highbd_filter_block1d16_v8_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[17], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff[4]; pack_filters(filter, ff); pack_16x9_init(src_ptr, src_pitch, signal); do { pack_16x9_pixels(src_ptr, src_pitch, signal); filter_16x9_pixels(signal, ff, &res0, &res1); store_16x2_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); update_16x9_pixels(signal); src_ptr += src_pitch << 1; dst_ptr += dst_pitch << 1; height -= 2; } while (height > 0); } // ----------------------------------------------------------------------------- // 2-tap vertical filtering static void pack_16x2_init(const uint16_t *src, __m256i *sig) { sig[2] = _mm256_loadu_si256((const __m256i *)src); } static INLINE void pack_16x2_2t_pixels(const uint16_t *src, ptrdiff_t pitch, __m256i *sig) { // load the next row const __m256i u = _mm256_loadu_si256((const __m256i *)(src + pitch)); sig[0] = _mm256_unpacklo_epi16(sig[2], u); sig[1] = _mm256_unpackhi_epi16(sig[2], u); sig[2] = u; } static INLINE void filter_16x2_2t_pixels(const __m256i *sig, const __m256i *f, __m256i *y0, __m256i *y1) { filter_16_2t_pixels(sig, f, y0, y1); } static void vpx_highbd_filter_block1d16_v2_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[3], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff; pack_2t_filter(filter, &ff); pack_16x2_init(src_ptr, signal); do { pack_16x2_2t_pixels(src_ptr, src_pitch, signal); filter_16x2_2t_pixels(signal, &ff, &res0, &res1); store_16x1_pixels(&res0, &res1, &max, dst_ptr); src_ptr += src_pitch; dst_ptr += dst_pitch; height -= 1; } while (height > 0); } static INLINE void pack_8x1_2t_filter(const int16_t *filter, __m128i *f) { const __m128i h = _mm_loadu_si128((const __m128i *)filter); const __m128i p = _mm_set1_epi32(0x09080706); f[0] = _mm_shuffle_epi8(h, p); } static void pack_8x2_init(const uint16_t *src, __m128i *sig) { sig[2] = _mm_loadu_si128((const __m128i *)src); } static INLINE void pack_8x2_2t_pixels_ver(const uint16_t *src, ptrdiff_t pitch, __m128i *sig) { // load the next row const __m128i u = _mm_loadu_si128((const __m128i *)(src + pitch)); sig[0] = _mm_unpacklo_epi16(sig[2], u); sig[1] = _mm_unpackhi_epi16(sig[2], u); sig[2] = u; } static INLINE void filter_8_2t_pixels(const __m128i *sig, const __m128i *f, __m128i *y0, __m128i *y1) { const __m128i rounding = _mm_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); __m128i x0 = _mm_madd_epi16(sig[0], *f); __m128i x1 = _mm_madd_epi16(sig[1], *f); x0 = _mm_add_epi32(x0, rounding); x1 = _mm_add_epi32(x1, rounding); *y0 = _mm_srai_epi32(x0, CONV8_ROUNDING_BITS); *y1 = _mm_srai_epi32(x1, CONV8_ROUNDING_BITS); } static INLINE void store_8x1_2t_pixels_ver(const __m128i *y0, const __m128i *y1, const __m128i *mask, uint16_t *dst) { __m128i res = _mm_packus_epi32(*y0, *y1); res = _mm_min_epi16(res, *mask); _mm_storeu_si128((__m128i *)dst, res); } static void vpx_highbd_filter_block1d8_v2_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m128i signal[3], res0, res1; const __m128i max = _mm_set1_epi16((1 << bd) - 1); __m128i ff; pack_8x1_2t_filter(filter, &ff); pack_8x2_init(src_ptr, signal); do { pack_8x2_2t_pixels_ver(src_ptr, src_pitch, signal); filter_8_2t_pixels(signal, &ff, &res0, &res1); store_8x1_2t_pixels_ver(&res0, &res1, &max, dst_ptr); src_ptr += src_pitch; dst_ptr += dst_pitch; height -= 1; } while (height > 0); } // Calculation with averaging the input pixels static INLINE void store_8x1_avg_pixels(const __m256i *y0, const __m256i *mask, uint16_t *dst) { const __m128i a0 = _mm256_castsi256_si128(*y0); const __m128i a1 = _mm256_extractf128_si256(*y0, 1); __m128i res = _mm_packus_epi32(a0, a1); const __m128i pix = _mm_loadu_si128((const __m128i *)dst); res = _mm_min_epi16(res, _mm256_castsi256_si128(*mask)); res = _mm_avg_epu16(res, pix); _mm_storeu_si128((__m128i *)dst, res); } static INLINE void store_8x2_avg_pixels(const __m256i *y0, const __m256i *y1, const __m256i *mask, uint16_t *dst, ptrdiff_t pitch) { __m256i a = _mm256_packus_epi32(*y0, *y1); const __m128i pix0 = _mm_loadu_si128((const __m128i *)dst); const __m128i pix1 = _mm_loadu_si128((const __m128i *)(dst + pitch)); const __m256i pix = _mm256_insertf128_si256(_mm256_castsi128_si256(pix0), pix1, 1); a = _mm256_min_epi16(a, *mask); a = _mm256_avg_epu16(a, pix); _mm_storeu_si128((__m128i *)dst, _mm256_castsi256_si128(a)); _mm_storeu_si128((__m128i *)(dst + pitch), _mm256_extractf128_si256(a, 1)); } static INLINE void store_16x1_avg_pixels(const __m256i *y0, const __m256i *y1, const __m256i *mask, uint16_t *dst) { __m256i a = _mm256_packus_epi32(*y0, *y1); const __m256i pix = _mm256_loadu_si256((const __m256i *)dst); a = _mm256_min_epi16(a, *mask); a = _mm256_avg_epu16(a, pix); _mm256_storeu_si256((__m256i *)dst, a); } static INLINE void store_16x2_avg_pixels(const __m256i *y0, const __m256i *y1, const __m256i *mask, uint16_t *dst, ptrdiff_t pitch) { const __m256i pix0 = _mm256_loadu_si256((const __m256i *)dst); const __m256i pix1 = _mm256_loadu_si256((const __m256i *)(dst + pitch)); __m256i p = _mm256_min_epi16(*y0, *mask); p = _mm256_avg_epu16(p, pix0); _mm256_storeu_si256((__m256i *)dst, p); p = _mm256_min_epi16(*y1, *mask); p = _mm256_avg_epu16(p, pix1); _mm256_storeu_si256((__m256i *)(dst + pitch), p); } static INLINE void store_8x1_2t_avg_pixels_ver(const __m128i *y0, const __m128i *y1, const __m128i *mask, uint16_t *dst) { __m128i res = _mm_packus_epi32(*y0, *y1); const __m128i pix = _mm_loadu_si128((const __m128i *)dst); res = _mm_min_epi16(res, *mask); res = _mm_avg_epu16(res, pix); _mm_storeu_si128((__m128i *)dst, res); } static void vpx_highbd_filter_block1d8_h8_avg_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[8], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff[4]; pack_filters(filter, ff); src_ptr -= 3; do { pack_8x2_pixels(src_ptr, src_pitch, signal); filter_8x1_pixels(signal, ff, &res0); filter_8x1_pixels(&signal[4], ff, &res1); store_8x2_avg_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); height -= 2; src_ptr += src_pitch << 1; dst_ptr += dst_pitch << 1; } while (height > 1); if (height > 0) { pack_8x1_pixels(src_ptr, signal); filter_8x1_pixels(signal, ff, &res0); store_8x1_avg_pixels(&res0, &max, dst_ptr); } } static void vpx_highbd_filter_block1d16_h8_avg_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[8], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff[4]; pack_filters(filter, ff); src_ptr -= 3; do { pack_16x1_pixels(src_ptr, signal); filter_8x1_pixels(signal, ff, &res0); filter_8x1_pixels(&signal[4], ff, &res1); store_16x1_avg_pixels(&res0, &res1, &max, dst_ptr); height -= 1; src_ptr += src_pitch; dst_ptr += dst_pitch; } while (height > 0); } static void vpx_highbd_filter_block1d4_h4_avx2( const uint16_t *src_ptr, ptrdiff_t src_stride, uint16_t *dst_ptr, ptrdiff_t dst_stride, uint32_t height, const int16_t *kernel, int bd) { // We extract the middle four elements of the kernel into two registers in // the form // ... k[3] k[2] k[3] k[2] // ... k[5] k[4] k[5] k[4] // Then we shuffle the source into // ... s[1] s[0] s[0] s[-1] // ... s[3] s[2] s[2] s[1] // Calling multiply and add gives us half of the sum. Calling add on the two // halves gives us the output. Since avx2 allows us to use 256-bit buffer, we // can do this two rows at a time. __m256i src_reg, src_reg_shift_0, src_reg_shift_2; __m256i res_reg; __m256i idx_shift_0 = _mm256_setr_epi8(0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9, 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9); __m256i idx_shift_2 = _mm256_setr_epi8(4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13, 4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13); __m128i kernel_reg_128; // Kernel __m256i kernel_reg, kernel_reg_23, kernel_reg_45; // Segments of the kernel used const __m256i reg_round = _mm256_set1_epi32(CONV8_ROUNDING_NUM); // Used for rounding const __m256i reg_max = _mm256_set1_epi16((1 << bd) - 1); const ptrdiff_t unrolled_src_stride = src_stride << 1; const ptrdiff_t unrolled_dst_stride = dst_stride << 1; int h; // Start one pixel before as we need tap/2 - 1 = 1 sample from the past src_ptr -= 1; // Load Kernel kernel_reg_128 = _mm_loadu_si128((const __m128i *)kernel); kernel_reg = _mm256_broadcastsi128_si256(kernel_reg_128); kernel_reg_23 = _mm256_shuffle_epi32(kernel_reg, 0x55); kernel_reg_45 = _mm256_shuffle_epi32(kernel_reg, 0xaa); for (h = height; h >= 2; h -= 2) { // Load the source src_reg = mm256_loadu2_si128(src_ptr, src_ptr + src_stride); src_reg_shift_0 = _mm256_shuffle_epi8(src_reg, idx_shift_0); src_reg_shift_2 = _mm256_shuffle_epi8(src_reg, idx_shift_2); // Get the output res_reg = mm256_madd_add_epi32(&src_reg_shift_0, &src_reg_shift_2, &kernel_reg_23, &kernel_reg_45); // Round the result res_reg = mm256_round_epi32(&res_reg, ®_round, CONV8_ROUNDING_BITS); // Finally combine to get the final dst res_reg = _mm256_packus_epi32(res_reg, res_reg); res_reg = _mm256_min_epi16(res_reg, reg_max); mm256_storeu2_epi64((__m128i *)dst_ptr, (__m128i *)(dst_ptr + dst_stride), &res_reg); src_ptr += unrolled_src_stride; dst_ptr += unrolled_dst_stride; } // Repeat for the last row if needed if (h > 0) { // Load the source src_reg = mm256_loadu2_si128(src_ptr, src_ptr + 4); src_reg_shift_0 = _mm256_shuffle_epi8(src_reg, idx_shift_0); src_reg_shift_2 = _mm256_shuffle_epi8(src_reg, idx_shift_2); // Get the output res_reg = mm256_madd_add_epi32(&src_reg_shift_0, &src_reg_shift_2, &kernel_reg_23, &kernel_reg_45); // Round the result res_reg = mm256_round_epi32(&res_reg, ®_round, CONV8_ROUNDING_BITS); // Finally combine to get the final dst res_reg = _mm256_packus_epi32(res_reg, res_reg); res_reg = _mm256_min_epi16(res_reg, reg_max); _mm_storel_epi64((__m128i *)dst_ptr, _mm256_castsi256_si128(res_reg)); } } static void vpx_highbd_filter_block1d8_h4_avx2( const uint16_t *src_ptr, ptrdiff_t src_stride, uint16_t *dst_ptr, ptrdiff_t dst_stride, uint32_t height, const int16_t *kernel, int bd) { // We will extract the middle four elements of the kernel into two registers // in the form // ... k[3] k[2] k[3] k[2] // ... k[5] k[4] k[5] k[4] // Then we shuffle the source into // ... s[1] s[0] s[0] s[-1] // ... s[3] s[2] s[2] s[1] // Calling multiply and add gives us half of the sum of the first half. // Calling add gives us first half of the output. Repat again to get the whole // output. Since avx2 allows us to use 256-bit buffer, we can do this two rows // at a time. __m256i src_reg, src_reg_shift_0, src_reg_shift_2; __m256i res_reg, res_first, res_last; __m256i idx_shift_0 = _mm256_setr_epi8(0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9, 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9); __m256i idx_shift_2 = _mm256_setr_epi8(4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13, 4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13); __m128i kernel_reg_128; // Kernel __m256i kernel_reg, kernel_reg_23, kernel_reg_45; // Segments of the kernel used const __m256i reg_round = _mm256_set1_epi32(CONV8_ROUNDING_NUM); // Used for rounding const __m256i reg_max = _mm256_set1_epi16((1 << bd) - 1); const ptrdiff_t unrolled_src_stride = src_stride << 1; const ptrdiff_t unrolled_dst_stride = dst_stride << 1; int h; // Start one pixel before as we need tap/2 - 1 = 1 sample from the past src_ptr -= 1; // Load Kernel kernel_reg_128 = _mm_loadu_si128((const __m128i *)kernel); kernel_reg = _mm256_broadcastsi128_si256(kernel_reg_128); kernel_reg_23 = _mm256_shuffle_epi32(kernel_reg, 0x55); kernel_reg_45 = _mm256_shuffle_epi32(kernel_reg, 0xaa); for (h = height; h >= 2; h -= 2) { // Load the source src_reg = mm256_loadu2_si128(src_ptr, src_ptr + src_stride); src_reg_shift_0 = _mm256_shuffle_epi8(src_reg, idx_shift_0); src_reg_shift_2 = _mm256_shuffle_epi8(src_reg, idx_shift_2); // Result for first half res_first = mm256_madd_add_epi32(&src_reg_shift_0, &src_reg_shift_2, &kernel_reg_23, &kernel_reg_45); // Do again to get the second half of dst // Load the source src_reg = mm256_loadu2_si128(src_ptr + 4, src_ptr + src_stride + 4); src_reg_shift_0 = _mm256_shuffle_epi8(src_reg, idx_shift_0); src_reg_shift_2 = _mm256_shuffle_epi8(src_reg, idx_shift_2); // Result for second half res_last = mm256_madd_add_epi32(&src_reg_shift_0, &src_reg_shift_2, &kernel_reg_23, &kernel_reg_45); // Round each result res_first = mm256_round_epi32(&res_first, ®_round, CONV8_ROUNDING_BITS); res_last = mm256_round_epi32(&res_last, ®_round, CONV8_ROUNDING_BITS); // Finally combine to get the final dst res_reg = _mm256_packus_epi32(res_first, res_last); res_reg = _mm256_min_epi16(res_reg, reg_max); mm256_store2_si128((__m128i *)dst_ptr, (__m128i *)(dst_ptr + dst_stride), &res_reg); src_ptr += unrolled_src_stride; dst_ptr += unrolled_dst_stride; } // Repeat for the last row if needed if (h > 0) { src_reg = mm256_loadu2_si128(src_ptr, src_ptr + 4); src_reg_shift_0 = _mm256_shuffle_epi8(src_reg, idx_shift_0); src_reg_shift_2 = _mm256_shuffle_epi8(src_reg, idx_shift_2); res_reg = mm256_madd_add_epi32(&src_reg_shift_0, &src_reg_shift_2, &kernel_reg_23, &kernel_reg_45); res_reg = mm256_round_epi32(&res_reg, ®_round, CONV8_ROUNDING_BITS); res_reg = _mm256_packus_epi32(res_reg, res_reg); res_reg = _mm256_min_epi16(res_reg, reg_max); mm256_storeu2_epi64((__m128i *)dst_ptr, (__m128i *)(dst_ptr + 4), &res_reg); } } static void vpx_highbd_filter_block1d16_h4_avx2( const uint16_t *src_ptr, ptrdiff_t src_stride, uint16_t *dst_ptr, ptrdiff_t dst_stride, uint32_t height, const int16_t *kernel, int bd) { vpx_highbd_filter_block1d8_h4_avx2(src_ptr, src_stride, dst_ptr, dst_stride, height, kernel, bd); vpx_highbd_filter_block1d8_h4_avx2(src_ptr + 8, src_stride, dst_ptr + 8, dst_stride, height, kernel, bd); } static void vpx_highbd_filter_block1d8_v8_avg_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[9], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff[4]; pack_filters(filter, ff); pack_8x9_init(src_ptr, src_pitch, signal); do { pack_8x9_pixels(src_ptr, src_pitch, signal); filter_8x9_pixels(signal, ff, &res0, &res1); store_8x2_avg_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); update_pixels(signal); src_ptr += src_pitch << 1; dst_ptr += dst_pitch << 1; height -= 2; } while (height > 0); } static void vpx_highbd_filter_block1d16_v8_avg_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[17], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff[4]; pack_filters(filter, ff); pack_16x9_init(src_ptr, src_pitch, signal); do { pack_16x9_pixels(src_ptr, src_pitch, signal); filter_16x9_pixels(signal, ff, &res0, &res1); store_16x2_avg_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); update_16x9_pixels(signal); src_ptr += src_pitch << 1; dst_ptr += dst_pitch << 1; height -= 2; } while (height > 0); } static void vpx_highbd_filter_block1d8_h2_avg_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[2], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff; pack_2t_filter(filter, &ff); src_ptr -= 3; do { pack_8x2_2t_pixels(src_ptr, src_pitch, signal); filter_16_2t_pixels(signal, &ff, &res0, &res1); store_8x2_avg_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); height -= 2; src_ptr += src_pitch << 1; dst_ptr += dst_pitch << 1; } while (height > 1); if (height > 0) { pack_8x1_2t_pixels(src_ptr, signal); filter_8x1_2t_pixels(signal, &ff, &res0); store_8x1_avg_pixels(&res0, &max, dst_ptr); } } static void vpx_highbd_filter_block1d16_h2_avg_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[2], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff; pack_2t_filter(filter, &ff); src_ptr -= 3; do { pack_16x1_2t_pixels(src_ptr, signal); filter_16_2t_pixels(signal, &ff, &res0, &res1); store_16x1_avg_pixels(&res0, &res1, &max, dst_ptr); height -= 1; src_ptr += src_pitch; dst_ptr += dst_pitch; } while (height > 0); } static void vpx_highbd_filter_block1d16_v2_avg_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m256i signal[3], res0, res1; const __m256i max = _mm256_set1_epi16((1 << bd) - 1); __m256i ff; pack_2t_filter(filter, &ff); pack_16x2_init(src_ptr, signal); do { pack_16x2_2t_pixels(src_ptr, src_pitch, signal); filter_16x2_2t_pixels(signal, &ff, &res0, &res1); store_16x1_avg_pixels(&res0, &res1, &max, dst_ptr); src_ptr += src_pitch; dst_ptr += dst_pitch; height -= 1; } while (height > 0); } static void vpx_highbd_filter_block1d8_v2_avg_avx2( const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { __m128i signal[3], res0, res1; const __m128i max = _mm_set1_epi16((1 << bd) - 1); __m128i ff; pack_8x1_2t_filter(filter, &ff); pack_8x2_init(src_ptr, signal); do { pack_8x2_2t_pixels_ver(src_ptr, src_pitch, signal); filter_8_2t_pixels(signal, &ff, &res0, &res1); store_8x1_2t_avg_pixels_ver(&res0, &res1, &max, dst_ptr); src_ptr += src_pitch; dst_ptr += dst_pitch; height -= 1; } while (height > 0); } static void vpx_highbd_filter_block1d4_v4_avx2( const uint16_t *src_ptr, ptrdiff_t src_stride, uint16_t *dst_ptr, ptrdiff_t dst_stride, uint32_t height, const int16_t *kernel, int bd) { // We will load two rows of pixels and rearrange them into the form // ... s[1,0] s[0,0] s[0,0] s[-1,0] // so that we can call multiply and add with the kernel partial output. Then // we can call add with another row to get the output. // Register for source s[-1:3, :] __m256i src_reg_1, src_reg_2, src_reg_3; // Interleaved rows of the source. lo is first half, hi second __m256i src_reg_m10, src_reg_01, src_reg_12, src_reg_23; __m256i src_reg_m1001, src_reg_1223; // Result after multiply and add __m256i res_reg; __m128i kernel_reg_128; // Kernel __m256i kernel_reg, kernel_reg_23, kernel_reg_45; // Segments of kernel used const __m256i reg_round = _mm256_set1_epi32(CONV8_ROUNDING_NUM); // Used for rounding const __m256i reg_max = _mm256_set1_epi16((1 << bd) - 1); const ptrdiff_t src_stride_unrolled = src_stride << 1; const ptrdiff_t dst_stride_unrolled = dst_stride << 1; int h; // Load Kernel kernel_reg_128 = _mm_loadu_si128((const __m128i *)kernel); kernel_reg = _mm256_broadcastsi128_si256(kernel_reg_128); kernel_reg_23 = _mm256_shuffle_epi32(kernel_reg, 0x55); kernel_reg_45 = _mm256_shuffle_epi32(kernel_reg, 0xaa); // Row -1 to row 0 src_reg_m10 = mm256_loadu2_epi64((const __m128i *)src_ptr, (const __m128i *)(src_ptr + src_stride)); // Row 0 to row 1 src_reg_1 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src_ptr + src_stride * 2))); src_reg_01 = _mm256_permute2x128_si256(src_reg_m10, src_reg_1, 0x21); // First three rows src_reg_m1001 = _mm256_unpacklo_epi16(src_reg_m10, src_reg_01); for (h = height; h > 1; h -= 2) { src_reg_2 = _mm256_castsi128_si256( _mm_loadl_epi64((const __m128i *)(src_ptr + src_stride * 3))); src_reg_12 = _mm256_inserti128_si256(src_reg_1, _mm256_castsi256_si128(src_reg_2), 1); src_reg_3 = _mm256_castsi128_si256( _mm_loadl_epi64((const __m128i *)(src_ptr + src_stride * 4))); src_reg_23 = _mm256_inserti128_si256(src_reg_2, _mm256_castsi256_si128(src_reg_3), 1); // Last three rows src_reg_1223 = _mm256_unpacklo_epi16(src_reg_12, src_reg_23); // Output res_reg = mm256_madd_add_epi32(&src_reg_m1001, &src_reg_1223, &kernel_reg_23, &kernel_reg_45); // Round the words res_reg = mm256_round_epi32(&res_reg, ®_round, CONV8_ROUNDING_BITS); // Combine to get the result res_reg = _mm256_packus_epi32(res_reg, res_reg); res_reg = _mm256_min_epi16(res_reg, reg_max); // Save the result mm256_storeu2_epi64((__m128i *)dst_ptr, (__m128i *)(dst_ptr + dst_stride), &res_reg); // Update the source by two rows src_ptr += src_stride_unrolled; dst_ptr += dst_stride_unrolled; src_reg_m1001 = src_reg_1223; src_reg_1 = src_reg_3; } } static void vpx_highbd_filter_block1d8_v4_avx2( const uint16_t *src_ptr, ptrdiff_t src_stride, uint16_t *dst_ptr, ptrdiff_t dst_stride, uint32_t height, const int16_t *kernel, int bd) { // We will load two rows of pixels and rearrange them into the form // ... s[1,0] s[0,0] s[0,0] s[-1,0] // so that we can call multiply and add with the kernel partial output. Then // we can call add with another row to get the output. // Register for source s[-1:3, :] __m256i src_reg_1, src_reg_2, src_reg_3; // Interleaved rows of the source. lo is first half, hi second __m256i src_reg_m10, src_reg_01, src_reg_12, src_reg_23; __m256i src_reg_m1001_lo, src_reg_m1001_hi, src_reg_1223_lo, src_reg_1223_hi; __m128i kernel_reg_128; // Kernel __m256i kernel_reg, kernel_reg_23, kernel_reg_45; // Segments of kernel // Result after multiply and add __m256i res_reg, res_reg_lo, res_reg_hi; const __m256i reg_round = _mm256_set1_epi32(CONV8_ROUNDING_NUM); // Used for rounding const __m256i reg_max = _mm256_set1_epi16((1 << bd) - 1); const ptrdiff_t src_stride_unrolled = src_stride << 1; const ptrdiff_t dst_stride_unrolled = dst_stride << 1; int h; // Load Kernel kernel_reg_128 = _mm_loadu_si128((const __m128i *)kernel); kernel_reg = _mm256_broadcastsi128_si256(kernel_reg_128); kernel_reg_23 = _mm256_shuffle_epi32(kernel_reg, 0x55); kernel_reg_45 = _mm256_shuffle_epi32(kernel_reg, 0xaa); // Row -1 to row 0 src_reg_m10 = mm256_loadu2_si128((const __m128i *)src_ptr, (const __m128i *)(src_ptr + src_stride)); // Row 0 to row 1 src_reg_1 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src_ptr + src_stride * 2))); src_reg_01 = _mm256_permute2x128_si256(src_reg_m10, src_reg_1, 0x21); // First three rows src_reg_m1001_lo = _mm256_unpacklo_epi16(src_reg_m10, src_reg_01); src_reg_m1001_hi = _mm256_unpackhi_epi16(src_reg_m10, src_reg_01); for (h = height; h > 1; h -= 2) { src_reg_2 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src_ptr + src_stride * 3))); src_reg_12 = _mm256_inserti128_si256(src_reg_1, _mm256_castsi256_si128(src_reg_2), 1); src_reg_3 = _mm256_castsi128_si256( _mm_loadu_si128((const __m128i *)(src_ptr + src_stride * 4))); src_reg_23 = _mm256_inserti128_si256(src_reg_2, _mm256_castsi256_si128(src_reg_3), 1); // Last three rows src_reg_1223_lo = _mm256_unpacklo_epi16(src_reg_12, src_reg_23); src_reg_1223_hi = _mm256_unpackhi_epi16(src_reg_12, src_reg_23); // Output from first half res_reg_lo = mm256_madd_add_epi32(&src_reg_m1001_lo, &src_reg_1223_lo, &kernel_reg_23, &kernel_reg_45); // Output from second half res_reg_hi = mm256_madd_add_epi32(&src_reg_m1001_hi, &src_reg_1223_hi, &kernel_reg_23, &kernel_reg_45); // Round the words res_reg_lo = mm256_round_epi32(&res_reg_lo, ®_round, CONV8_ROUNDING_BITS); res_reg_hi = mm256_round_epi32(&res_reg_hi, ®_round, CONV8_ROUNDING_BITS); // Combine to get the result res_reg = _mm256_packus_epi32(res_reg_lo, res_reg_hi); res_reg = _mm256_min_epi16(res_reg, reg_max); // Save the result mm256_store2_si128((__m128i *)dst_ptr, (__m128i *)(dst_ptr + dst_stride), &res_reg); // Update the source by two rows src_ptr += src_stride_unrolled; dst_ptr += dst_stride_unrolled; src_reg_m1001_lo = src_reg_1223_lo; src_reg_m1001_hi = src_reg_1223_hi; src_reg_1 = src_reg_3; } } static void vpx_highbd_filter_block1d16_v4_avx2( const uint16_t *src_ptr, ptrdiff_t src_stride, uint16_t *dst_ptr, ptrdiff_t dst_stride, uint32_t height, const int16_t *kernel, int bd) { vpx_highbd_filter_block1d8_v4_avx2(src_ptr, src_stride, dst_ptr, dst_stride, height, kernel, bd); vpx_highbd_filter_block1d8_v4_avx2(src_ptr + 8, src_stride, dst_ptr + 8, dst_stride, height, kernel, bd); } // From vpx_dsp/x86/vpx_high_subpixel_8t_sse2.asm. highbd_filter8_1dfunction vpx_highbd_filter_block1d4_h8_sse2; highbd_filter8_1dfunction vpx_highbd_filter_block1d4_v8_sse2; // From vpx_dsp/x86/vpx_high_subpixel_bilinear_sse2.asm. highbd_filter8_1dfunction vpx_highbd_filter_block1d4_h2_sse2; highbd_filter8_1dfunction vpx_highbd_filter_block1d4_v2_sse2; #define vpx_highbd_filter_block1d4_h8_avx2 vpx_highbd_filter_block1d4_h8_sse2 #define vpx_highbd_filter_block1d4_h2_avx2 vpx_highbd_filter_block1d4_h2_sse2 #define vpx_highbd_filter_block1d4_v8_avx2 vpx_highbd_filter_block1d4_v8_sse2 #define vpx_highbd_filter_block1d4_v2_avx2 vpx_highbd_filter_block1d4_v2_sse2 // Use the [vh]8 version because there is no [vh]4 implementation. #define vpx_highbd_filter_block1d16_v4_avg_avx2 \ vpx_highbd_filter_block1d16_v8_avg_avx2 #define vpx_highbd_filter_block1d16_h4_avg_avx2 \ vpx_highbd_filter_block1d16_h8_avg_avx2 #define vpx_highbd_filter_block1d8_v4_avg_avx2 \ vpx_highbd_filter_block1d8_v8_avg_avx2 #define vpx_highbd_filter_block1d8_h4_avg_avx2 \ vpx_highbd_filter_block1d8_h8_avg_avx2 #define vpx_highbd_filter_block1d4_v4_avg_avx2 \ vpx_highbd_filter_block1d4_v8_avg_avx2 #define vpx_highbd_filter_block1d4_h4_avg_avx2 \ vpx_highbd_filter_block1d4_h8_avg_avx2 HIGH_FUN_CONV_1D(horiz, x0_q4, x_step_q4, h, src, , avx2, 0); HIGH_FUN_CONV_1D(vert, y0_q4, y_step_q4, v, src - src_stride * (num_taps / 2 - 1), , avx2, 0); HIGH_FUN_CONV_2D(, avx2, 0); // From vpx_dsp/x86/vpx_high_subpixel_8t_sse2.asm. highbd_filter8_1dfunction vpx_highbd_filter_block1d4_h8_avg_sse2; highbd_filter8_1dfunction vpx_highbd_filter_block1d4_v8_avg_sse2; // From vpx_dsp/x86/vpx_high_subpixel_bilinear_sse2.asm. highbd_filter8_1dfunction vpx_highbd_filter_block1d4_h2_avg_sse2; highbd_filter8_1dfunction vpx_highbd_filter_block1d4_v2_avg_sse2; #define vpx_highbd_filter_block1d4_h8_avg_avx2 \ vpx_highbd_filter_block1d4_h8_avg_sse2 #define vpx_highbd_filter_block1d4_h2_avg_avx2 \ vpx_highbd_filter_block1d4_h2_avg_sse2 #define vpx_highbd_filter_block1d4_v8_avg_avx2 \ vpx_highbd_filter_block1d4_v8_avg_sse2 #define vpx_highbd_filter_block1d4_v2_avg_avx2 \ vpx_highbd_filter_block1d4_v2_avg_sse2 HIGH_FUN_CONV_1D(avg_horiz, x0_q4, x_step_q4, h, src, avg_, avx2, 1); HIGH_FUN_CONV_1D(avg_vert, y0_q4, y_step_q4, v, src - src_stride * (num_taps / 2 - 1), avg_, avx2, 1); HIGH_FUN_CONV_2D(avg_, avx2, 1); #undef HIGHBD_FUNC