diff options
Diffstat (limited to 'third_party/aom/av1/common/x86/warp_plane_sse2.c')
| -rw-r--r-- | third_party/aom/av1/common/x86/warp_plane_sse2.c | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/third_party/aom/av1/common/x86/warp_plane_sse2.c b/third_party/aom/av1/common/x86/warp_plane_sse2.c deleted file mode 100644 index d30466ae6..000000000 --- a/third_party/aom/av1/common/x86/warp_plane_sse2.c +++ /dev/null @@ -1,359 +0,0 @@ -/* - * 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 <emmintrin.h> - -#include "./av1_rtcd.h" -#include "av1/common/warped_motion.h" - -void av1_warp_affine_sse2(const int32_t *mat, const uint8_t *ref, int width, - int height, int stride, uint8_t *pred, int p_col, - int p_row, int p_width, int p_height, int p_stride, - int subsampling_x, int subsampling_y, - ConvolveParams *conv_params, int16_t alpha, - int16_t beta, int16_t gamma, int16_t delta) { - int comp_avg = conv_params->do_average; - __m128i tmp[15]; - int i, j, k; - const int bd = 8; -#if CONFIG_CONVOLVE_ROUND - const int use_conv_params = conv_params->round == CONVOLVE_OPT_NO_ROUND; - const int reduce_bits_horiz = - use_conv_params ? conv_params->round_0 : HORSHEAR_REDUCE_PREC_BITS; - const int offset_bits_horiz = - use_conv_params ? bd + FILTER_BITS - 1 : bd + WARPEDPIXEL_FILTER_BITS - 1; - if (use_conv_params) { - conv_params->do_post_rounding = 1; - } - assert(FILTER_BITS == WARPEDPIXEL_FILTER_BITS); -#else - const int reduce_bits_horiz = HORSHEAR_REDUCE_PREC_BITS; - const int offset_bits_horiz = bd + WARPEDPIXEL_FILTER_BITS - 1; -#endif - - /* Note: For this code to work, the left/right frame borders need to be - extended by at least 13 pixels each. By the time we get here, other - code will have set up this border, but we allow an explicit check - for debugging purposes. - */ - /*for (i = 0; i < height; ++i) { - for (j = 0; j < 13; ++j) { - assert(ref[i * stride - 13 + j] == ref[i * stride]); - assert(ref[i * stride + width + j] == ref[i * stride + (width - 1)]); - } - }*/ - - for (i = 0; i < p_height; i += 8) { - for (j = 0; j < p_width; j += 8) { - const int32_t src_x = (p_col + j + 4) << subsampling_x; - const int32_t src_y = (p_row + i + 4) << subsampling_y; - const int32_t dst_x = mat[2] * src_x + mat[3] * src_y + mat[0]; - const int32_t dst_y = mat[4] * src_x + mat[5] * src_y + mat[1]; - const int32_t x4 = dst_x >> subsampling_x; - const int32_t y4 = dst_y >> subsampling_y; - - int32_t ix4 = x4 >> WARPEDMODEL_PREC_BITS; - int32_t sx4 = x4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); - int32_t iy4 = y4 >> WARPEDMODEL_PREC_BITS; - int32_t sy4 = y4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); - - // Add in all the constant terms, including rounding and offset - sx4 += alpha * (-4) + beta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + - (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); - sy4 += gamma * (-4) + delta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + - (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); - - sx4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); - sy4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); - - // Horizontal filter - // If the block is aligned such that, after clamping, every sample - // would be taken from the leftmost/rightmost column, then we can - // skip the expensive horizontal filter. - if (ix4 <= -7) { - for (k = -7; k < AOMMIN(8, p_height - i); ++k) { - int iy = iy4 + k; - if (iy < 0) - iy = 0; - else if (iy > height - 1) - iy = height - 1; - tmp[k + 7] = _mm_set1_epi16( - (1 << (bd + WARPEDPIXEL_FILTER_BITS - HORSHEAR_REDUCE_PREC_BITS - - 1)) + - ref[iy * stride] * - (1 << (WARPEDPIXEL_FILTER_BITS - HORSHEAR_REDUCE_PREC_BITS))); - } - } else if (ix4 >= width + 6) { - for (k = -7; k < AOMMIN(8, p_height - i); ++k) { - int iy = iy4 + k; - if (iy < 0) - iy = 0; - else if (iy > height - 1) - iy = height - 1; - tmp[k + 7] = _mm_set1_epi16( - (1 << (bd + WARPEDPIXEL_FILTER_BITS - HORSHEAR_REDUCE_PREC_BITS - - 1)) + - ref[iy * stride + (width - 1)] * - (1 << (WARPEDPIXEL_FILTER_BITS - HORSHEAR_REDUCE_PREC_BITS))); - } - } else { - for (k = -7; k < AOMMIN(8, p_height - i); ++k) { - int iy = iy4 + k; - if (iy < 0) - iy = 0; - else if (iy > height - 1) - iy = height - 1; - int sx = sx4 + beta * (k + 4); - - // Load source pixels - const __m128i zero = _mm_setzero_si128(); - const __m128i src = - _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); - - // Filter even-index pixels - const __m128i tmp_0 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sx + 0 * alpha) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_2 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sx + 2 * alpha) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_4 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sx + 4 * alpha) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_6 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sx + 6 * alpha) >> WARPEDDIFF_PREC_BITS))); - - // coeffs 0 1 0 1 2 3 2 3 for pixels 0, 2 - const __m128i tmp_8 = _mm_unpacklo_epi32(tmp_0, tmp_2); - // coeffs 0 1 0 1 2 3 2 3 for pixels 4, 6 - const __m128i tmp_10 = _mm_unpacklo_epi32(tmp_4, tmp_6); - // coeffs 4 5 4 5 6 7 6 7 for pixels 0, 2 - const __m128i tmp_12 = _mm_unpackhi_epi32(tmp_0, tmp_2); - // coeffs 4 5 4 5 6 7 6 7 for pixels 4, 6 - const __m128i tmp_14 = _mm_unpackhi_epi32(tmp_4, tmp_6); - - // coeffs 0 1 0 1 0 1 0 1 for pixels 0, 2, 4, 6 - const __m128i coeff_0 = _mm_unpacklo_epi64(tmp_8, tmp_10); - // coeffs 2 3 2 3 2 3 2 3 for pixels 0, 2, 4, 6 - const __m128i coeff_2 = _mm_unpackhi_epi64(tmp_8, tmp_10); - // coeffs 4 5 4 5 4 5 4 5 for pixels 0, 2, 4, 6 - const __m128i coeff_4 = _mm_unpacklo_epi64(tmp_12, tmp_14); - // coeffs 6 7 6 7 6 7 6 7 for pixels 0, 2, 4, 6 - const __m128i coeff_6 = _mm_unpackhi_epi64(tmp_12, tmp_14); - - const __m128i round_const = _mm_set1_epi32( - (1 << offset_bits_horiz) + ((1 << reduce_bits_horiz) >> 1)); - - // Calculate filtered results - const __m128i src_0 = _mm_unpacklo_epi8(src, zero); - const __m128i res_0 = _mm_madd_epi16(src_0, coeff_0); - const __m128i src_2 = _mm_unpacklo_epi8(_mm_srli_si128(src, 2), zero); - const __m128i res_2 = _mm_madd_epi16(src_2, coeff_2); - const __m128i src_4 = _mm_unpacklo_epi8(_mm_srli_si128(src, 4), zero); - const __m128i res_4 = _mm_madd_epi16(src_4, coeff_4); - const __m128i src_6 = _mm_unpacklo_epi8(_mm_srli_si128(src, 6), zero); - const __m128i res_6 = _mm_madd_epi16(src_6, coeff_6); - - __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_4), - _mm_add_epi32(res_2, res_6)); - res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const), - _mm_cvtsi32_si128(reduce_bits_horiz)); - - // Filter odd-index pixels - const __m128i tmp_1 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sx + 1 * alpha) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_3 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sx + 3 * alpha) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_5 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sx + 5 * alpha) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_7 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sx + 7 * alpha) >> WARPEDDIFF_PREC_BITS))); - - const __m128i tmp_9 = _mm_unpacklo_epi32(tmp_1, tmp_3); - const __m128i tmp_11 = _mm_unpacklo_epi32(tmp_5, tmp_7); - const __m128i tmp_13 = _mm_unpackhi_epi32(tmp_1, tmp_3); - const __m128i tmp_15 = _mm_unpackhi_epi32(tmp_5, tmp_7); - - const __m128i coeff_1 = _mm_unpacklo_epi64(tmp_9, tmp_11); - const __m128i coeff_3 = _mm_unpackhi_epi64(tmp_9, tmp_11); - const __m128i coeff_5 = _mm_unpacklo_epi64(tmp_13, tmp_15); - const __m128i coeff_7 = _mm_unpackhi_epi64(tmp_13, tmp_15); - - const __m128i src_1 = _mm_unpacklo_epi8(_mm_srli_si128(src, 1), zero); - const __m128i res_1 = _mm_madd_epi16(src_1, coeff_1); - const __m128i src_3 = _mm_unpacklo_epi8(_mm_srli_si128(src, 3), zero); - const __m128i res_3 = _mm_madd_epi16(src_3, coeff_3); - const __m128i src_5 = _mm_unpacklo_epi8(_mm_srli_si128(src, 5), zero); - const __m128i res_5 = _mm_madd_epi16(src_5, coeff_5); - const __m128i src_7 = _mm_unpacklo_epi8(_mm_srli_si128(src, 7), zero); - const __m128i res_7 = _mm_madd_epi16(src_7, coeff_7); - - __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_5), - _mm_add_epi32(res_3, res_7)); - res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), - _mm_cvtsi32_si128(reduce_bits_horiz)); - - // Combine results into one register. - // We store the columns in the order 0, 2, 4, 6, 1, 3, 5, 7 - // as this order helps with the vertical filter. - tmp[k + 7] = _mm_packs_epi32(res_even, res_odd); - } - } - - // Vertical filter - for (k = -4; k < AOMMIN(4, p_height - i - 4); ++k) { - int sy = sy4 + delta * (k + 4); - - // Load from tmp and rearrange pairs of consecutive rows into the - // column order 0 0 2 2 4 4 6 6; 1 1 3 3 5 5 7 7 - const __m128i *src = tmp + (k + 4); - const __m128i src_0 = _mm_unpacklo_epi16(src[0], src[1]); - const __m128i src_2 = _mm_unpacklo_epi16(src[2], src[3]); - const __m128i src_4 = _mm_unpacklo_epi16(src[4], src[5]); - const __m128i src_6 = _mm_unpacklo_epi16(src[6], src[7]); - - // Filter even-index pixels - const __m128i tmp_0 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sy + 0 * gamma) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_2 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sy + 2 * gamma) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_4 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sy + 4 * gamma) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_6 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sy + 6 * gamma) >> WARPEDDIFF_PREC_BITS))); - - const __m128i tmp_8 = _mm_unpacklo_epi32(tmp_0, tmp_2); - const __m128i tmp_10 = _mm_unpacklo_epi32(tmp_4, tmp_6); - const __m128i tmp_12 = _mm_unpackhi_epi32(tmp_0, tmp_2); - const __m128i tmp_14 = _mm_unpackhi_epi32(tmp_4, tmp_6); - - const __m128i coeff_0 = _mm_unpacklo_epi64(tmp_8, tmp_10); - const __m128i coeff_2 = _mm_unpackhi_epi64(tmp_8, tmp_10); - const __m128i coeff_4 = _mm_unpacklo_epi64(tmp_12, tmp_14); - const __m128i coeff_6 = _mm_unpackhi_epi64(tmp_12, tmp_14); - - const __m128i res_0 = _mm_madd_epi16(src_0, coeff_0); - const __m128i res_2 = _mm_madd_epi16(src_2, coeff_2); - const __m128i res_4 = _mm_madd_epi16(src_4, coeff_4); - const __m128i res_6 = _mm_madd_epi16(src_6, coeff_6); - - const __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_2), - _mm_add_epi32(res_4, res_6)); - - // Filter odd-index pixels - const __m128i src_1 = _mm_unpackhi_epi16(src[0], src[1]); - const __m128i src_3 = _mm_unpackhi_epi16(src[2], src[3]); - const __m128i src_5 = _mm_unpackhi_epi16(src[4], src[5]); - const __m128i src_7 = _mm_unpackhi_epi16(src[6], src[7]); - - const __m128i tmp_1 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sy + 1 * gamma) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_3 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sy + 3 * gamma) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_5 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sy + 5 * gamma) >> WARPEDDIFF_PREC_BITS))); - const __m128i tmp_7 = _mm_loadu_si128( - (__m128i *)(warped_filter + - ((sy + 7 * gamma) >> WARPEDDIFF_PREC_BITS))); - - const __m128i tmp_9 = _mm_unpacklo_epi32(tmp_1, tmp_3); - const __m128i tmp_11 = _mm_unpacklo_epi32(tmp_5, tmp_7); - const __m128i tmp_13 = _mm_unpackhi_epi32(tmp_1, tmp_3); - const __m128i tmp_15 = _mm_unpackhi_epi32(tmp_5, tmp_7); - - const __m128i coeff_1 = _mm_unpacklo_epi64(tmp_9, tmp_11); - const __m128i coeff_3 = _mm_unpackhi_epi64(tmp_9, tmp_11); - const __m128i coeff_5 = _mm_unpacklo_epi64(tmp_13, tmp_15); - const __m128i coeff_7 = _mm_unpackhi_epi64(tmp_13, tmp_15); - - const __m128i res_1 = _mm_madd_epi16(src_1, coeff_1); - const __m128i res_3 = _mm_madd_epi16(src_3, coeff_3); - const __m128i res_5 = _mm_madd_epi16(src_5, coeff_5); - const __m128i res_7 = _mm_madd_epi16(src_7, coeff_7); - - const __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_3), - _mm_add_epi32(res_5, res_7)); - - // Rearrange pixels back into the order 0 ... 7 - __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); - __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); - -#if CONFIG_CONVOLVE_ROUND - if (use_conv_params) { - __m128i *const p = - (__m128i *)&conv_params - ->dst[(i + k + 4) * conv_params->dst_stride + j]; - const __m128i round_const = _mm_set1_epi32( - -(1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1)) + - ((1 << (conv_params->round_1)) >> 1)); - res_lo = _mm_add_epi32(res_lo, round_const); - res_lo = - _mm_srl_epi16(res_lo, _mm_cvtsi32_si128(conv_params->round_1)); - if (comp_avg) res_lo = _mm_add_epi32(_mm_loadu_si128(p), res_lo); - _mm_storeu_si128(p, res_lo); - if (p_width > 4) { - res_hi = _mm_add_epi32(res_hi, round_const); - res_hi = - _mm_srl_epi16(res_hi, _mm_cvtsi32_si128(conv_params->round_1)); - if (comp_avg) - res_hi = _mm_add_epi32(_mm_loadu_si128(p + 1), res_hi); - _mm_storeu_si128(p + 1, res_hi); - } - } else { -#else - { -#endif - // Round and pack into 8 bits - const __m128i round_const = - _mm_set1_epi32(-(1 << (bd + VERSHEAR_REDUCE_PREC_BITS - 1)) + - ((1 << VERSHEAR_REDUCE_PREC_BITS) >> 1)); - - const __m128i res_lo_round = _mm_srai_epi32( - _mm_add_epi32(res_lo, round_const), VERSHEAR_REDUCE_PREC_BITS); - const __m128i res_hi_round = _mm_srai_epi32( - _mm_add_epi32(res_hi, round_const), VERSHEAR_REDUCE_PREC_BITS); - - const __m128i res_16bit = _mm_packs_epi32(res_lo_round, res_hi_round); - __m128i res_8bit = _mm_packus_epi16(res_16bit, res_16bit); - - // Store, blending with 'pred' if needed - __m128i *const p = (__m128i *)&pred[(i + k + 4) * p_stride + j]; - - // Note: If we're outputting a 4x4 block, we need to be very careful - // to only output 4 pixels at this point, to avoid encode/decode - // mismatches when encoding with multiple threads. - if (p_width == 4) { - if (comp_avg) { - const __m128i orig = _mm_cvtsi32_si128(*(uint32_t *)p); - res_8bit = _mm_avg_epu8(res_8bit, orig); - } - *(uint32_t *)p = _mm_cvtsi128_si32(res_8bit); - } else { - if (comp_avg) res_8bit = _mm_avg_epu8(res_8bit, _mm_loadl_epi64(p)); - _mm_storel_epi64(p, res_8bit); - } - } - } - } - } -} |