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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/intrapred_avx2.c | 811 |
1 files changed, 811 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/intrapred_avx2.c b/third_party/aom/aom_dsp/x86/intrapred_avx2.c new file mode 100644 index 0000000000..1e67d392e8 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/intrapred_avx2.c @@ -0,0 +1,811 @@ +/* + * Copyright (c) 2017, 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" + +static INLINE __m256i dc_sum_64(const uint8_t *ref) { + const __m256i x0 = _mm256_loadu_si256((const __m256i *)ref); + const __m256i x1 = _mm256_loadu_si256((const __m256i *)(ref + 32)); + const __m256i zero = _mm256_setzero_si256(); + __m256i y0 = _mm256_sad_epu8(x0, zero); + __m256i y1 = _mm256_sad_epu8(x1, zero); + y0 = _mm256_add_epi64(y0, y1); + __m256i u0 = _mm256_permute2x128_si256(y0, y0, 1); + y0 = _mm256_add_epi64(u0, y0); + u0 = _mm256_unpackhi_epi64(y0, y0); + return _mm256_add_epi16(y0, u0); +} + +static INLINE __m256i dc_sum_32(const uint8_t *ref) { + const __m256i x = _mm256_loadu_si256((const __m256i *)ref); + const __m256i zero = _mm256_setzero_si256(); + __m256i y = _mm256_sad_epu8(x, zero); + __m256i u = _mm256_permute2x128_si256(y, y, 1); + y = _mm256_add_epi64(u, y); + u = _mm256_unpackhi_epi64(y, y); + return _mm256_add_epi16(y, u); +} + +static INLINE void row_store_32xh(const __m256i *r, int height, uint8_t *dst, + ptrdiff_t stride) { + for (int i = 0; i < height; ++i) { + _mm256_storeu_si256((__m256i *)dst, *r); + dst += stride; + } +} + +static INLINE void row_store_32x2xh(const __m256i *r0, const __m256i *r1, + int height, uint8_t *dst, + ptrdiff_t stride) { + for (int i = 0; i < height; ++i) { + _mm256_storeu_si256((__m256i *)dst, *r0); + _mm256_storeu_si256((__m256i *)(dst + 32), *r1); + dst += stride; + } +} + +static INLINE void row_store_64xh(const __m256i *r, int height, uint8_t *dst, + ptrdiff_t stride) { + for (int i = 0; i < height; ++i) { + _mm256_storeu_si256((__m256i *)dst, *r); + _mm256_storeu_si256((__m256i *)(dst + 32), *r); + dst += stride; + } +} + +void aom_dc_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i sum_above = dc_sum_32(above); + __m256i sum_left = dc_sum_32(left); + sum_left = _mm256_add_epi16(sum_left, sum_above); + const __m256i thirtytwo = _mm256_set1_epi16(32); + sum_left = _mm256_add_epi16(sum_left, thirtytwo); + sum_left = _mm256_srai_epi16(sum_left, 6); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum_left, zero); + row_store_32xh(&row, 32, dst, stride); +} + +void aom_dc_top_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_32(above); + (void)left; + + const __m256i sixteen = _mm256_set1_epi16(16); + sum = _mm256_add_epi16(sum, sixteen); + sum = _mm256_srai_epi16(sum, 5); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_32xh(&row, 32, dst, stride); +} + +void aom_dc_left_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_32(left); + (void)above; + + const __m256i sixteen = _mm256_set1_epi16(16); + sum = _mm256_add_epi16(sum, sixteen); + sum = _mm256_srai_epi16(sum, 5); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_32xh(&row, 32, dst, stride); +} + +void aom_dc_128_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + (void)above; + (void)left; + const __m256i row = _mm256_set1_epi8((uint8_t)0x80); + row_store_32xh(&row, 32, dst, stride); +} + +void aom_v_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i row = _mm256_loadu_si256((const __m256i *)above); + (void)left; + row_store_32xh(&row, 32, dst, stride); +} + +// There are 32 rows togeter. This function does line: +// 0,1,2,3, and 16,17,18,19. The next call would do +// 4,5,6,7, and 20,21,22,23. So 4 times of calling +// would finish 32 rows. +static INLINE void h_predictor_32x8line(const __m256i *row, uint8_t *dst, + ptrdiff_t stride) { + __m256i t[4]; + __m256i m = _mm256_setzero_si256(); + const __m256i inc = _mm256_set1_epi8(4); + int i; + + for (i = 0; i < 4; i++) { + t[i] = _mm256_shuffle_epi8(*row, m); + __m256i r0 = _mm256_permute2x128_si256(t[i], t[i], 0); + __m256i r1 = _mm256_permute2x128_si256(t[i], t[i], 0x11); + _mm256_storeu_si256((__m256i *)dst, r0); + _mm256_storeu_si256((__m256i *)(dst + (stride << 4)), r1); + dst += stride; + m = _mm256_add_epi8(m, inc); + } +} + +void aom_h_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + (void)above; + const __m256i left_col = _mm256_loadu_si256((__m256i const *)left); + + __m256i u = _mm256_unpacklo_epi8(left_col, left_col); + + __m256i v = _mm256_unpacklo_epi8(u, u); + h_predictor_32x8line(&v, dst, stride); + dst += stride << 2; + + v = _mm256_unpackhi_epi8(u, u); + h_predictor_32x8line(&v, dst, stride); + dst += stride << 2; + + u = _mm256_unpackhi_epi8(left_col, left_col); + + v = _mm256_unpacklo_epi8(u, u); + h_predictor_32x8line(&v, dst, stride); + dst += stride << 2; + + v = _mm256_unpackhi_epi8(u, u); + h_predictor_32x8line(&v, dst, stride); +} + +// ----------------------------------------------------------------------------- +// Rectangle + +// TODO(luoyi) The following two functions are shared with intrapred_sse2.c. +// Use a header file, intrapred_common_x86.h +static INLINE __m128i dc_sum_16_sse2(const uint8_t *ref) { + __m128i x = _mm_load_si128((__m128i const *)ref); + const __m128i zero = _mm_setzero_si128(); + x = _mm_sad_epu8(x, zero); + const __m128i high = _mm_unpackhi_epi64(x, x); + return _mm_add_epi16(x, high); +} + +static INLINE __m128i dc_sum_32_sse2(const uint8_t *ref) { + __m128i x0 = _mm_load_si128((__m128i const *)ref); + __m128i x1 = _mm_load_si128((__m128i const *)(ref + 16)); + const __m128i zero = _mm_setzero_si128(); + x0 = _mm_sad_epu8(x0, zero); + x1 = _mm_sad_epu8(x1, zero); + x0 = _mm_add_epi16(x0, x1); + const __m128i high = _mm_unpackhi_epi64(x0, x0); + return _mm_add_epi16(x0, high); +} + +void aom_dc_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m128i top_sum = dc_sum_32_sse2(above); + __m128i left_sum = dc_sum_16_sse2(left); + left_sum = _mm_add_epi16(top_sum, left_sum); + uint32_t sum = _mm_cvtsi128_si32(left_sum); + sum += 24; + sum /= 48; + const __m256i row = _mm256_set1_epi8((uint8_t)sum); + row_store_32xh(&row, 16, dst, stride); +} + +void aom_dc_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i sum_above = dc_sum_32(above); + __m256i sum_left = dc_sum_64(left); + sum_left = _mm256_add_epi16(sum_left, sum_above); + uint32_t sum = _mm_cvtsi128_si32(_mm256_castsi256_si128(sum_left)); + sum += 48; + sum /= 96; + const __m256i row = _mm256_set1_epi8((uint8_t)sum); + row_store_32xh(&row, 64, dst, stride); +} + +void aom_dc_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i sum_above = dc_sum_64(above); + __m256i sum_left = dc_sum_64(left); + sum_left = _mm256_add_epi16(sum_left, sum_above); + uint32_t sum = _mm_cvtsi128_si32(_mm256_castsi256_si128(sum_left)); + sum += 64; + sum /= 128; + const __m256i row = _mm256_set1_epi8((uint8_t)sum); + row_store_64xh(&row, 64, dst, stride); +} + +void aom_dc_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i sum_above = dc_sum_64(above); + __m256i sum_left = dc_sum_32(left); + sum_left = _mm256_add_epi16(sum_left, sum_above); + uint32_t sum = _mm_cvtsi128_si32(_mm256_castsi256_si128(sum_left)); + sum += 48; + sum /= 96; + const __m256i row = _mm256_set1_epi8((uint8_t)sum); + row_store_64xh(&row, 32, dst, stride); +} + +void aom_dc_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i sum_above = dc_sum_64(above); + __m256i sum_left = _mm256_castsi128_si256(dc_sum_16_sse2(left)); + sum_left = _mm256_add_epi16(sum_left, sum_above); + uint32_t sum = _mm_cvtsi128_si32(_mm256_castsi256_si128(sum_left)); + sum += 40; + sum /= 80; + const __m256i row = _mm256_set1_epi8((uint8_t)sum); + row_store_64xh(&row, 16, dst, stride); +} + +void aom_dc_top_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_32(above); + (void)left; + + const __m256i sixteen = _mm256_set1_epi16(16); + sum = _mm256_add_epi16(sum, sixteen); + sum = _mm256_srai_epi16(sum, 5); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_32xh(&row, 16, dst, stride); +} + +void aom_dc_top_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_32(above); + (void)left; + + const __m256i sixteen = _mm256_set1_epi16(16); + sum = _mm256_add_epi16(sum, sixteen); + sum = _mm256_srai_epi16(sum, 5); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_32xh(&row, 64, dst, stride); +} + +void aom_dc_top_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_64(above); + (void)left; + + const __m256i thirtytwo = _mm256_set1_epi16(32); + sum = _mm256_add_epi16(sum, thirtytwo); + sum = _mm256_srai_epi16(sum, 6); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_64xh(&row, 64, dst, stride); +} + +void aom_dc_top_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_64(above); + (void)left; + + const __m256i thirtytwo = _mm256_set1_epi16(32); + sum = _mm256_add_epi16(sum, thirtytwo); + sum = _mm256_srai_epi16(sum, 6); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_64xh(&row, 32, dst, stride); +} + +void aom_dc_top_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_64(above); + (void)left; + + const __m256i thirtytwo = _mm256_set1_epi16(32); + sum = _mm256_add_epi16(sum, thirtytwo); + sum = _mm256_srai_epi16(sum, 6); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_64xh(&row, 16, dst, stride); +} + +void aom_dc_left_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m128i sum = dc_sum_16_sse2(left); + (void)above; + + const __m128i eight = _mm_set1_epi16(8); + sum = _mm_add_epi16(sum, eight); + sum = _mm_srai_epi16(sum, 4); + const __m128i zero = _mm_setzero_si128(); + const __m128i r = _mm_shuffle_epi8(sum, zero); + const __m256i row = _mm256_inserti128_si256(_mm256_castsi128_si256(r), r, 1); + row_store_32xh(&row, 16, dst, stride); +} + +void aom_dc_left_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_64(left); + (void)above; + + const __m256i thirtytwo = _mm256_set1_epi16(32); + sum = _mm256_add_epi16(sum, thirtytwo); + sum = _mm256_srai_epi16(sum, 6); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_32xh(&row, 64, dst, stride); +} + +void aom_dc_left_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_64(left); + (void)above; + + const __m256i thirtytwo = _mm256_set1_epi16(32); + sum = _mm256_add_epi16(sum, thirtytwo); + sum = _mm256_srai_epi16(sum, 6); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_64xh(&row, 64, dst, stride); +} + +void aom_dc_left_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m256i sum = dc_sum_32(left); + (void)above; + + const __m256i sixteen = _mm256_set1_epi16(16); + sum = _mm256_add_epi16(sum, sixteen); + sum = _mm256_srai_epi16(sum, 5); + const __m256i zero = _mm256_setzero_si256(); + __m256i row = _mm256_shuffle_epi8(sum, zero); + row_store_64xh(&row, 32, dst, stride); +} + +void aom_dc_left_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + __m128i sum = dc_sum_16_sse2(left); + (void)above; + + const __m128i eight = _mm_set1_epi16(8); + sum = _mm_add_epi16(sum, eight); + sum = _mm_srai_epi16(sum, 4); + const __m128i zero = _mm_setzero_si128(); + const __m128i r = _mm_shuffle_epi8(sum, zero); + const __m256i row = _mm256_inserti128_si256(_mm256_castsi128_si256(r), r, 1); + row_store_64xh(&row, 16, dst, stride); +} + +void aom_dc_128_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + (void)above; + (void)left; + const __m256i row = _mm256_set1_epi8((uint8_t)0x80); + row_store_32xh(&row, 16, dst, stride); +} + +void aom_dc_128_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + (void)above; + (void)left; + const __m256i row = _mm256_set1_epi8((uint8_t)0x80); + row_store_32xh(&row, 64, dst, stride); +} + +void aom_dc_128_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + (void)above; + (void)left; + const __m256i row = _mm256_set1_epi8((uint8_t)0x80); + row_store_64xh(&row, 64, dst, stride); +} + +void aom_dc_128_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + (void)above; + (void)left; + const __m256i row = _mm256_set1_epi8((uint8_t)0x80); + row_store_64xh(&row, 32, dst, stride); +} + +void aom_dc_128_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + (void)above; + (void)left; + const __m256i row = _mm256_set1_epi8((uint8_t)0x80); + row_store_64xh(&row, 16, dst, stride); +} + +void aom_v_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i row = _mm256_loadu_si256((const __m256i *)above); + (void)left; + row_store_32xh(&row, 16, dst, stride); +} + +void aom_v_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i row = _mm256_loadu_si256((const __m256i *)above); + (void)left; + row_store_32xh(&row, 64, dst, stride); +} + +void aom_v_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i row0 = _mm256_loadu_si256((const __m256i *)above); + const __m256i row1 = _mm256_loadu_si256((const __m256i *)(above + 32)); + (void)left; + row_store_32x2xh(&row0, &row1, 64, dst, stride); +} + +void aom_v_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i row0 = _mm256_loadu_si256((const __m256i *)above); + const __m256i row1 = _mm256_loadu_si256((const __m256i *)(above + 32)); + (void)left; + row_store_32x2xh(&row0, &row1, 32, dst, stride); +} + +void aom_v_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i row0 = _mm256_loadu_si256((const __m256i *)above); + const __m256i row1 = _mm256_loadu_si256((const __m256i *)(above + 32)); + (void)left; + row_store_32x2xh(&row0, &row1, 16, dst, stride); +} + +// ----------------------------------------------------------------------------- +// PAETH_PRED + +// Return 16 16-bit pixels in one row (__m256i) +static INLINE __m256i paeth_pred(const __m256i *left, const __m256i *top, + const __m256i *topleft) { + const __m256i base = + _mm256_sub_epi16(_mm256_add_epi16(*top, *left), *topleft); + + __m256i pl = _mm256_abs_epi16(_mm256_sub_epi16(base, *left)); + __m256i pt = _mm256_abs_epi16(_mm256_sub_epi16(base, *top)); + __m256i ptl = _mm256_abs_epi16(_mm256_sub_epi16(base, *topleft)); + + __m256i mask1 = _mm256_cmpgt_epi16(pl, pt); + mask1 = _mm256_or_si256(mask1, _mm256_cmpgt_epi16(pl, ptl)); + __m256i mask2 = _mm256_cmpgt_epi16(pt, ptl); + + pl = _mm256_andnot_si256(mask1, *left); + + ptl = _mm256_and_si256(mask2, *topleft); + pt = _mm256_andnot_si256(mask2, *top); + pt = _mm256_or_si256(pt, ptl); + pt = _mm256_and_si256(mask1, pt); + + return _mm256_or_si256(pt, pl); +} + +// Return 16 8-bit pixels in one row (__m128i) +static INLINE __m128i paeth_16x1_pred(const __m256i *left, const __m256i *top, + const __m256i *topleft) { + const __m256i p0 = paeth_pred(left, top, topleft); + const __m256i p1 = _mm256_permute4x64_epi64(p0, 0xe); + const __m256i p = _mm256_packus_epi16(p0, p1); + return _mm256_castsi256_si128(p); +} + +static INLINE __m256i get_top_vector(const uint8_t *above) { + const __m128i x = _mm_load_si128((const __m128i *)above); + const __m128i zero = _mm_setzero_si128(); + const __m128i t0 = _mm_unpacklo_epi8(x, zero); + const __m128i t1 = _mm_unpackhi_epi8(x, zero); + return _mm256_inserti128_si256(_mm256_castsi128_si256(t0), t1, 1); +} + +void aom_paeth_predictor_16x8_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + __m128i x = _mm_loadl_epi64((const __m128i *)left); + const __m256i l = _mm256_inserti128_si256(_mm256_castsi128_si256(x), x, 1); + const __m256i tl16 = _mm256_set1_epi16((uint16_t)above[-1]); + __m256i rep = _mm256_set1_epi16(0x8000); + const __m256i one = _mm256_set1_epi16(1); + const __m256i top = get_top_vector(above); + + int i; + for (i = 0; i < 8; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + const __m128i row = paeth_16x1_pred(&l16, &top, &tl16); + + _mm_store_si128((__m128i *)dst, row); + dst += stride; + rep = _mm256_add_epi16(rep, one); + } +} + +static INLINE __m256i get_left_vector(const uint8_t *left) { + const __m128i x = _mm_load_si128((const __m128i *)left); + return _mm256_inserti128_si256(_mm256_castsi128_si256(x), x, 1); +} + +void aom_paeth_predictor_16x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i l = get_left_vector(left); + const __m256i tl16 = _mm256_set1_epi16((uint16_t)above[-1]); + __m256i rep = _mm256_set1_epi16(0x8000); + const __m256i one = _mm256_set1_epi16(1); + const __m256i top = get_top_vector(above); + + int i; + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + const __m128i row = paeth_16x1_pred(&l16, &top, &tl16); + + _mm_store_si128((__m128i *)dst, row); + dst += stride; + rep = _mm256_add_epi16(rep, one); + } +} + +void aom_paeth_predictor_16x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + __m256i l = get_left_vector(left); + const __m256i tl16 = _mm256_set1_epi16((uint16_t)above[-1]); + __m256i rep = _mm256_set1_epi16(0x8000); + const __m256i one = _mm256_set1_epi16(1); + const __m256i top = get_top_vector(above); + + int i; + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + const __m128i row = paeth_16x1_pred(&l16, &top, &tl16); + + _mm_store_si128((__m128i *)dst, row); + dst += stride; + rep = _mm256_add_epi16(rep, one); + } + + l = get_left_vector(left + 16); + rep = _mm256_set1_epi16(0x8000); + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + const __m128i row = paeth_16x1_pred(&l16, &top, &tl16); + + _mm_store_si128((__m128i *)dst, row); + dst += stride; + rep = _mm256_add_epi16(rep, one); + } +} + +void aom_paeth_predictor_16x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i tl16 = _mm256_set1_epi16((uint16_t)above[-1]); + const __m256i one = _mm256_set1_epi16(1); + const __m256i top = get_top_vector(above); + + for (int j = 0; j < 4; ++j) { + const __m256i l = get_left_vector(left + j * 16); + __m256i rep = _mm256_set1_epi16(0x8000); + for (int i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + const __m128i row = paeth_16x1_pred(&l16, &top, &tl16); + + _mm_store_si128((__m128i *)dst, row); + dst += stride; + rep = _mm256_add_epi16(rep, one); + } + } +} + +// Return 32 8-bit pixels in one row (__m256i) +static INLINE __m256i paeth_32x1_pred(const __m256i *left, const __m256i *top0, + const __m256i *top1, + const __m256i *topleft) { + __m256i p0 = paeth_pred(left, top0, topleft); + __m256i p1 = _mm256_permute4x64_epi64(p0, 0xe); + const __m256i x0 = _mm256_packus_epi16(p0, p1); + + p0 = paeth_pred(left, top1, topleft); + p1 = _mm256_permute4x64_epi64(p0, 0xe); + const __m256i x1 = _mm256_packus_epi16(p0, p1); + + return _mm256_permute2x128_si256(x0, x1, 0x20); +} + +void aom_paeth_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i l = get_left_vector(left); + const __m256i t0 = get_top_vector(above); + const __m256i t1 = get_top_vector(above + 16); + const __m256i tl = _mm256_set1_epi16((uint16_t)above[-1]); + __m256i rep = _mm256_set1_epi16(0x8000); + const __m256i one = _mm256_set1_epi16(1); + + int i; + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + + const __m256i r = paeth_32x1_pred(&l16, &t0, &t1, &tl); + + _mm256_storeu_si256((__m256i *)dst, r); + + dst += stride; + rep = _mm256_add_epi16(rep, one); + } +} + +void aom_paeth_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + __m256i l = get_left_vector(left); + const __m256i t0 = get_top_vector(above); + const __m256i t1 = get_top_vector(above + 16); + const __m256i tl = _mm256_set1_epi16((uint16_t)above[-1]); + __m256i rep = _mm256_set1_epi16(0x8000); + const __m256i one = _mm256_set1_epi16(1); + + int i; + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + + const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl); + const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl); + + _mm_store_si128((__m128i *)dst, r0); + _mm_store_si128((__m128i *)(dst + 16), r1); + + dst += stride; + rep = _mm256_add_epi16(rep, one); + } + + l = get_left_vector(left + 16); + rep = _mm256_set1_epi16(0x8000); + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + + const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl); + const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl); + + _mm_store_si128((__m128i *)dst, r0); + _mm_store_si128((__m128i *)(dst + 16), r1); + + dst += stride; + rep = _mm256_add_epi16(rep, one); + } +} + +void aom_paeth_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i t0 = get_top_vector(above); + const __m256i t1 = get_top_vector(above + 16); + const __m256i tl = _mm256_set1_epi16((uint16_t)above[-1]); + const __m256i one = _mm256_set1_epi16(1); + + int i, j; + for (j = 0; j < 4; ++j) { + const __m256i l = get_left_vector(left + j * 16); + __m256i rep = _mm256_set1_epi16(0x8000); + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + + const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl); + const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl); + + _mm_store_si128((__m128i *)dst, r0); + _mm_store_si128((__m128i *)(dst + 16), r1); + + dst += stride; + rep = _mm256_add_epi16(rep, one); + } + } +} + +void aom_paeth_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i t0 = get_top_vector(above); + const __m256i t1 = get_top_vector(above + 16); + const __m256i t2 = get_top_vector(above + 32); + const __m256i t3 = get_top_vector(above + 48); + const __m256i tl = _mm256_set1_epi16((uint16_t)above[-1]); + const __m256i one = _mm256_set1_epi16(1); + + int i, j; + for (j = 0; j < 2; ++j) { + const __m256i l = get_left_vector(left + j * 16); + __m256i rep = _mm256_set1_epi16(0x8000); + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + + const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl); + const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl); + const __m128i r2 = paeth_16x1_pred(&l16, &t2, &tl); + const __m128i r3 = paeth_16x1_pred(&l16, &t3, &tl); + + _mm_store_si128((__m128i *)dst, r0); + _mm_store_si128((__m128i *)(dst + 16), r1); + _mm_store_si128((__m128i *)(dst + 32), r2); + _mm_store_si128((__m128i *)(dst + 48), r3); + + dst += stride; + rep = _mm256_add_epi16(rep, one); + } + } +} + +void aom_paeth_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i t0 = get_top_vector(above); + const __m256i t1 = get_top_vector(above + 16); + const __m256i t2 = get_top_vector(above + 32); + const __m256i t3 = get_top_vector(above + 48); + const __m256i tl = _mm256_set1_epi16((uint16_t)above[-1]); + const __m256i one = _mm256_set1_epi16(1); + + int i, j; + for (j = 0; j < 4; ++j) { + const __m256i l = get_left_vector(left + j * 16); + __m256i rep = _mm256_set1_epi16(0x8000); + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + + const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl); + const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl); + const __m128i r2 = paeth_16x1_pred(&l16, &t2, &tl); + const __m128i r3 = paeth_16x1_pred(&l16, &t3, &tl); + + _mm_store_si128((__m128i *)dst, r0); + _mm_store_si128((__m128i *)(dst + 16), r1); + _mm_store_si128((__m128i *)(dst + 32), r2); + _mm_store_si128((__m128i *)(dst + 48), r3); + + dst += stride; + rep = _mm256_add_epi16(rep, one); + } + } +} + +void aom_paeth_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const __m256i t0 = get_top_vector(above); + const __m256i t1 = get_top_vector(above + 16); + const __m256i t2 = get_top_vector(above + 32); + const __m256i t3 = get_top_vector(above + 48); + const __m256i tl = _mm256_set1_epi16((uint16_t)above[-1]); + const __m256i one = _mm256_set1_epi16(1); + + int i; + const __m256i l = get_left_vector(left); + __m256i rep = _mm256_set1_epi16(0x8000); + for (i = 0; i < 16; ++i) { + const __m256i l16 = _mm256_shuffle_epi8(l, rep); + + const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl); + const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl); + const __m128i r2 = paeth_16x1_pred(&l16, &t2, &tl); + const __m128i r3 = paeth_16x1_pred(&l16, &t3, &tl); + + _mm_store_si128((__m128i *)dst, r0); + _mm_store_si128((__m128i *)(dst + 16), r1); + _mm_store_si128((__m128i *)(dst + 32), r2); + _mm_store_si128((__m128i *)(dst + 48), r3); + + dst += stride; + rep = _mm256_add_epi16(rep, one); + } +} |