diff options
Diffstat (limited to 'third_party/aom/av1/encoder/x86/encodetxb_sse2.c')
| -rw-r--r-- | third_party/aom/av1/encoder/x86/encodetxb_sse2.c | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/x86/encodetxb_sse2.c b/third_party/aom/av1/encoder/x86/encodetxb_sse2.c new file mode 100644 index 000000000..dedb4d02f --- /dev/null +++ b/third_party/aom/av1/encoder/x86/encodetxb_sse2.c @@ -0,0 +1,505 @@ +/* + * 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 <assert.h> +#include <emmintrin.h> // SSE2 + +#include "aom/aom_integer.h" +#include "aom_dsp/x86/mem_sse2.h" +#include "av1/common/onyxc_int.h" +#include "av1/common/txb_common.h" + +static INLINE void load_levels_4x4x5_sse2(const uint8_t *const src, + const int stride, + const ptrdiff_t *const offsets, + __m128i *const level) { + level[0] = load_8bit_4x4_to_1_reg_sse2(src + 1, stride); + level[1] = load_8bit_4x4_to_1_reg_sse2(src + stride, stride); + level[2] = load_8bit_4x4_to_1_reg_sse2(src + offsets[0], stride); + level[3] = load_8bit_4x4_to_1_reg_sse2(src + offsets[1], stride); + level[4] = load_8bit_4x4_to_1_reg_sse2(src + offsets[2], stride); +} + +static INLINE void load_levels_8x2x5_sse2(const uint8_t *const src, + const int stride, + const ptrdiff_t *const offsets, + __m128i *const level) { + level[0] = load_8bit_8x2_to_1_reg_sse2(src + 1, stride); + level[1] = load_8bit_8x2_to_1_reg_sse2(src + stride, stride); + level[2] = load_8bit_8x2_to_1_reg_sse2(src + offsets[0], stride); + level[3] = load_8bit_8x2_to_1_reg_sse2(src + offsets[1], stride); + level[4] = load_8bit_8x2_to_1_reg_sse2(src + offsets[2], stride); +} + +static INLINE void load_levels_16x1x5_sse2(const uint8_t *const src, + const int stride, + const ptrdiff_t *const offsets, + __m128i *const level) { + level[0] = _mm_loadu_si128((__m128i *)(src + 1)); + level[1] = _mm_loadu_si128((__m128i *)(src + stride)); + level[2] = _mm_loadu_si128((__m128i *)(src + offsets[0])); + level[3] = _mm_loadu_si128((__m128i *)(src + offsets[1])); + level[4] = _mm_loadu_si128((__m128i *)(src + offsets[2])); +} + +static INLINE __m128i get_coeff_contexts_kernel_sse2(__m128i *const level) { + const __m128i const_3 = _mm_set1_epi8(3); + const __m128i const_4 = _mm_set1_epi8(4); + __m128i count; + + count = _mm_min_epu8(level[0], const_3); + level[1] = _mm_min_epu8(level[1], const_3); + level[2] = _mm_min_epu8(level[2], const_3); + level[3] = _mm_min_epu8(level[3], const_3); + level[4] = _mm_min_epu8(level[4], const_3); + count = _mm_add_epi8(count, level[1]); + count = _mm_add_epi8(count, level[2]); + count = _mm_add_epi8(count, level[3]); + count = _mm_add_epi8(count, level[4]); + count = _mm_avg_epu8(count, _mm_setzero_si128()); + count = _mm_min_epu8(count, const_4); + return count; +} + +static INLINE void get_4_nz_map_contexts_2d(const uint8_t *levels, + const int height, + const ptrdiff_t *const offsets, + int8_t *const coeff_contexts) { + const int stride = 4 + TX_PAD_HOR; + const __m128i pos_to_offset_large = _mm_set1_epi8(21); + __m128i pos_to_offset = + (height == 4) + ? _mm_setr_epi8(0, 1, 6, 6, 1, 6, 6, 21, 6, 6, 21, 21, 6, 21, 21, 21) + : _mm_setr_epi8(0, 11, 11, 11, 11, 11, 11, 11, 6, 6, 21, 21, 6, 21, + 21, 21); + __m128i count; + __m128i level[5]; + int8_t *cc = coeff_contexts; + int row = height; + + assert(!(height % 4)); + + do { + load_levels_4x4x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset); + _mm_store_si128((__m128i *)cc, count); + pos_to_offset = pos_to_offset_large; + levels += 4 * stride; + cc += 16; + row -= 4; + } while (row); + + coeff_contexts[0] = 0; +} + +static INLINE void get_4_nz_map_contexts_hor(const uint8_t *levels, + const int height, + const ptrdiff_t *const offsets, + int8_t *coeff_contexts) { + const int stride = 4 + TX_PAD_HOR; + const __m128i pos_to_offset = + _mm_setr_epi8(SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10); + __m128i count; + __m128i level[5]; + int row = height; + + assert(!(height % 4)); + + do { + load_levels_4x4x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset); + _mm_store_si128((__m128i *)coeff_contexts, count); + levels += 4 * stride; + coeff_contexts += 16; + row -= 4; + } while (row); +} + +static INLINE void get_4_nz_map_contexts_ver(const uint8_t *levels, + const int height, + const ptrdiff_t *const offsets, + int8_t *coeff_contexts) { + const int stride = 4 + TX_PAD_HOR; + const __m128i pos_to_offset_large = _mm_set1_epi8(SIG_COEF_CONTEXTS_2D + 10); + __m128i pos_to_offset = + _mm_setr_epi8(SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 0, + SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 0, + SIG_COEF_CONTEXTS_2D + 5, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 5, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10); + __m128i count; + __m128i level[5]; + int row = height; + + assert(!(height % 4)); + + do { + load_levels_4x4x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset); + _mm_store_si128((__m128i *)coeff_contexts, count); + pos_to_offset = pos_to_offset_large; + levels += 4 * stride; + coeff_contexts += 16; + row -= 4; + } while (row); +} + +static INLINE void get_8_coeff_contexts_2d(const uint8_t *levels, + const int height, + const ptrdiff_t *const offsets, + int8_t *coeff_contexts) { + const int stride = 8 + TX_PAD_HOR; + int8_t *cc = coeff_contexts; + int row = height; + __m128i count; + __m128i level[5]; + __m128i pos_to_offset[3]; + + assert(!(height % 2)); + + if (height == 8) { + pos_to_offset[0] = + _mm_setr_epi8(0, 1, 6, 6, 21, 21, 21, 21, 1, 6, 6, 21, 21, 21, 21, 21); + pos_to_offset[1] = _mm_setr_epi8(6, 6, 21, 21, 21, 21, 21, 21, 6, 21, 21, + 21, 21, 21, 21, 21); + } else if (height < 8) { + pos_to_offset[0] = _mm_setr_epi8(0, 16, 6, 6, 21, 21, 21, 21, 16, 16, 6, 21, + 21, 21, 21, 21); + pos_to_offset[1] = _mm_setr_epi8(16, 16, 21, 21, 21, 21, 21, 21, 16, 16, 21, + 21, 21, 21, 21, 21); + } else { + pos_to_offset[0] = _mm_setr_epi8(0, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11); + pos_to_offset[1] = _mm_setr_epi8(6, 6, 21, 21, 21, 21, 21, 21, 6, 21, 21, + 21, 21, 21, 21, 21); + } + pos_to_offset[2] = _mm_set1_epi8(21); + + do { + load_levels_8x2x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset[0]); + _mm_store_si128((__m128i *)cc, count); + pos_to_offset[0] = pos_to_offset[1]; + pos_to_offset[1] = pos_to_offset[2]; + levels += 2 * stride; + cc += 16; + row -= 2; + } while (row); + + coeff_contexts[0] = 0; +} + +static INLINE void get_8_coeff_contexts_hor(const uint8_t *levels, + const int height, + const ptrdiff_t *const offsets, + int8_t *coeff_contexts) { + const int stride = 8 + TX_PAD_HOR; + const __m128i pos_to_offset = + _mm_setr_epi8(SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10); + int row = height; + __m128i count; + __m128i level[5]; + + assert(!(height % 2)); + + do { + load_levels_8x2x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset); + _mm_store_si128((__m128i *)coeff_contexts, count); + levels += 2 * stride; + coeff_contexts += 16; + row -= 2; + } while (row); +} + +static INLINE void get_8_coeff_contexts_ver(const uint8_t *levels, + const int height, + const ptrdiff_t *const offsets, + int8_t *coeff_contexts) { + const int stride = 8 + TX_PAD_HOR; + const __m128i pos_to_offset_large = _mm_set1_epi8(SIG_COEF_CONTEXTS_2D + 10); + __m128i pos_to_offset = + _mm_setr_epi8(SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 0, + SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 0, + SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 0, + SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 0, + SIG_COEF_CONTEXTS_2D + 5, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 5, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 5, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 5, SIG_COEF_CONTEXTS_2D + 5); + int row = height; + __m128i count; + __m128i level[5]; + + assert(!(height % 2)); + + do { + load_levels_8x2x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset); + _mm_store_si128((__m128i *)coeff_contexts, count); + pos_to_offset = pos_to_offset_large; + levels += 2 * stride; + coeff_contexts += 16; + row -= 2; + } while (row); +} + +static INLINE void get_16n_coeff_contexts_2d(const uint8_t *levels, + const int real_width, + const int real_height, + const int width, const int height, + const ptrdiff_t *const offsets, + int8_t *coeff_contexts) { + const int stride = width + TX_PAD_HOR; + int8_t *cc = coeff_contexts; + int row = height; + __m128i pos_to_offset[5]; + __m128i pos_to_offset_large[3]; + __m128i count; + __m128i level[5]; + + assert(!(width % 16)); + + pos_to_offset_large[2] = _mm_set1_epi8(21); + if (real_width == real_height) { + pos_to_offset[0] = _mm_setr_epi8(0, 1, 6, 6, 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21); + pos_to_offset[1] = _mm_setr_epi8(1, 6, 6, 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21); + pos_to_offset[2] = _mm_setr_epi8(6, 6, 21, 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21); + pos_to_offset[3] = _mm_setr_epi8(6, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21); + pos_to_offset[4] = pos_to_offset_large[0] = pos_to_offset_large[1] = + pos_to_offset_large[2]; + } else if (real_width > real_height) { + pos_to_offset[0] = _mm_setr_epi8(0, 16, 6, 6, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21); + pos_to_offset[1] = _mm_setr_epi8(16, 16, 6, 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21); + pos_to_offset[2] = pos_to_offset[3] = pos_to_offset[4] = _mm_setr_epi8( + 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21); + pos_to_offset_large[0] = pos_to_offset_large[1] = pos_to_offset_large[2]; + } else { // real_width < real_height + pos_to_offset[0] = pos_to_offset[1] = _mm_setr_epi8( + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11); + pos_to_offset[2] = _mm_setr_epi8(6, 6, 21, 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21); + pos_to_offset[3] = _mm_setr_epi8(6, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21); + pos_to_offset[4] = pos_to_offset_large[2]; + pos_to_offset_large[0] = pos_to_offset_large[1] = _mm_set1_epi8(11); + } + + do { + int w = width; + + do { + load_levels_16x1x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset[0]); + _mm_store_si128((__m128i *)cc, count); + levels += 16; + cc += 16; + w -= 16; + pos_to_offset[0] = pos_to_offset_large[0]; + } while (w); + + pos_to_offset[0] = pos_to_offset[1]; + pos_to_offset[1] = pos_to_offset[2]; + pos_to_offset[2] = pos_to_offset[3]; + pos_to_offset[3] = pos_to_offset[4]; + pos_to_offset_large[0] = pos_to_offset_large[1]; + pos_to_offset_large[1] = pos_to_offset_large[2]; + levels += TX_PAD_HOR; + } while (--row); + + coeff_contexts[0] = 0; +} + +static INLINE void get_16n_coeff_contexts_hor(const uint8_t *levels, + const int width, const int height, + const ptrdiff_t *const offsets, + int8_t *coeff_contexts) { + const int stride = width + TX_PAD_HOR; + const __m128i pos_to_offset_large = + _mm_setr_epi8(SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10); + __m128i count; + __m128i level[5]; + int row = height; + + assert(!(width % 16)); + + do { + __m128i pos_to_offset = + _mm_setr_epi8(SIG_COEF_CONTEXTS_2D + 0, SIG_COEF_CONTEXTS_2D + 5, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10, + SIG_COEF_CONTEXTS_2D + 10, SIG_COEF_CONTEXTS_2D + 10); + int w = width; + + do { + load_levels_16x1x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset); + _mm_store_si128((__m128i *)coeff_contexts, count); + pos_to_offset = pos_to_offset_large; + levels += 16; + coeff_contexts += 16; + w -= 16; + } while (w); + + levels += TX_PAD_HOR; + } while (--row); +} + +static INLINE void get_16n_coeff_contexts_ver(const uint8_t *levels, + const int width, const int height, + const ptrdiff_t *const offsets, + int8_t *coeff_contexts) { + const int stride = width + TX_PAD_HOR; + __m128i pos_to_offset[3]; + __m128i count; + __m128i level[5]; + int row = height; + + assert(!(width % 16)); + + pos_to_offset[0] = _mm_set1_epi8(SIG_COEF_CONTEXTS_2D + 0); + pos_to_offset[1] = _mm_set1_epi8(SIG_COEF_CONTEXTS_2D + 5); + pos_to_offset[2] = _mm_set1_epi8(SIG_COEF_CONTEXTS_2D + 10); + + do { + int w = width; + + do { + load_levels_16x1x5_sse2(levels, stride, offsets, level); + count = get_coeff_contexts_kernel_sse2(level); + count = _mm_add_epi8(count, pos_to_offset[0]); + _mm_store_si128((__m128i *)coeff_contexts, count); + levels += 16; + coeff_contexts += 16; + w -= 16; + } while (w); + + pos_to_offset[0] = pos_to_offset[1]; + pos_to_offset[1] = pos_to_offset[2]; + levels += TX_PAD_HOR; + } while (--row); +} + +// Note: levels[] must be in the range [0, 127], inclusive. +void av1_get_nz_map_contexts_sse2(const uint8_t *const levels, + const int16_t *const scan, const uint16_t eob, + const TX_SIZE tx_size, + const TX_CLASS tx_class, + int8_t *const coeff_contexts) { + const int last_idx = eob - 1; + if (!last_idx) { + coeff_contexts[0] = 0; + return; + } + + const int real_width = tx_size_wide[tx_size]; + const int real_height = tx_size_high[tx_size]; + const int width = get_txb_wide(tx_size); + const int height = get_txb_high(tx_size); + const int stride = width + TX_PAD_HOR; + ptrdiff_t offsets[3]; + + /* coeff_contexts must be 16 byte aligned. */ + assert(!((intptr_t)coeff_contexts & 0xf)); + + if (tx_class == TX_CLASS_2D) { + offsets[0] = 0 * stride + 2; + offsets[1] = 1 * stride + 1; + offsets[2] = 2 * stride + 0; + + if (width == 4) { + get_4_nz_map_contexts_2d(levels, height, offsets, coeff_contexts); + } else if (width == 8) { + get_8_coeff_contexts_2d(levels, height, offsets, coeff_contexts); + } else if (width == 16) { + get_16n_coeff_contexts_2d(levels, real_width, real_height, width, height, + offsets, coeff_contexts); + } else { + get_16n_coeff_contexts_2d(levels, real_width, real_height, width, height, + offsets, coeff_contexts); + } + } else if (tx_class == TX_CLASS_HORIZ) { + offsets[0] = 2; + offsets[1] = 3; + offsets[2] = 4; + if (width == 4) { + get_4_nz_map_contexts_hor(levels, height, offsets, coeff_contexts); + } else if (width == 8) { + get_8_coeff_contexts_hor(levels, height, offsets, coeff_contexts); + } else { + get_16n_coeff_contexts_hor(levels, width, height, offsets, + coeff_contexts); + } + } else { // TX_CLASS_VERT + offsets[0] = 2 * stride; + offsets[1] = 3 * stride; + offsets[2] = 4 * stride; + if (width == 4) { + get_4_nz_map_contexts_ver(levels, height, offsets, coeff_contexts); + } else if (width == 8) { + get_8_coeff_contexts_ver(levels, height, offsets, coeff_contexts); + } else { + get_16n_coeff_contexts_ver(levels, width, height, offsets, + coeff_contexts); + } + } + + const int bwl = get_txb_bwl(tx_size); + const int pos = scan[last_idx]; + if (last_idx <= (height << bwl) / 8) + coeff_contexts[pos] = 1; + else if (last_idx <= (height << bwl) / 4) + coeff_contexts[pos] = 2; + else + coeff_contexts[pos] = 3; +} |