| /* | |
| * Copyright (c) 2023, 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 <arm_neon.h> | |
| #include "aom_dsp/arm/aom_neon_sve_bridge.h" | |
| #include "warp_plane_neon.h" | |
| DECLARE_ALIGNED(16, static const uint8_t, usdot_permute_idx[48]) = { | |
| 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6, | |
| 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10, | |
| 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 | |
| }; | |
| DECLARE_ALIGNED(16, static const uint8_t, kMatMul6PermuteTbl[32]) = { | |
| // clang-format off | |
| 0, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 8, 9, | |
| 4, 5, 6, 7, 8, 9, 10, 11, 6, 7, 8, 9, 10, 11, 12, 13 | |
| // clang-format on | |
| }; | |
| DECLARE_ALIGNED(16, static const uint8_t, kMatMul8PermuteTbl[32]) = { | |
| // clang-format off | |
| 1, 2, 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, 9, 10, | |
| 5, 6, 7, 8, 9, 10, 11, 12, 7, 8, 9, 10, 11, 12, 13, 14 | |
| // clang-format on | |
| }; | |
| DECLARE_ALIGNED(16, static const uint8_t, kTblIdx0_3[16]) = { | |
| 0, -1, -1, -1, 1, -1, -1, -1, 2, -1, -1, -1, 3, -1, -1, -1, | |
| }; | |
| static AOM_FORCE_INLINE int16x8_t horizontal_filter_4x1_f4(const uint8x16_t in, | |
| int sx, int alpha) { | |
| // Only put the constant in every other lane to avoid double-counting when | |
| // performing the pairwise add later. | |
| const int32x4_t add_const = | |
| vreinterpretq_s32_u64(vdupq_n_u64(1 << (8 + FILTER_BITS - 1))); | |
| // Loading the 8 filter taps | |
| int16x8_t f[4]; | |
| load_filters_4(f, sx, alpha); | |
| int8x16_t f01_u8 = vcombine_s8(vmovn_s16(f[0]), vmovn_s16(f[1])); | |
| int8x16_t f23_u8 = vcombine_s8(vmovn_s16(f[2]), vmovn_s16(f[3])); | |
| uint8x8_t in0 = vget_low_u8(in); | |
| uint8x8_t in1 = vget_low_u8(vextq_u8(in, in, 1)); | |
| uint8x8_t in2 = vget_low_u8(vextq_u8(in, in, 2)); | |
| uint8x8_t in3 = vget_low_u8(vextq_u8(in, in, 3)); | |
| int32x4_t m01 = vusdotq_s32(add_const, vcombine_u8(in0, in1), f01_u8); | |
| int32x4_t m23 = vusdotq_s32(add_const, vcombine_u8(in2, in3), f23_u8); | |
| int32x4_t m0123 = vpaddq_s32(m01, m23); | |
| uint16x8_t res = | |
| vcombine_u16(vqrshrun_n_s32(m0123, ROUND0_BITS), vdup_n_u16(0)); | |
| return vreinterpretq_s16_u16(res); | |
| } | |
| static AOM_FORCE_INLINE int16x8_t horizontal_filter_8x1_f8(const uint8x16_t in, | |
| int sx, int alpha) { | |
| // Only put the constant in every other lane to avoid double-counting when | |
| // performing the pairwise add later. | |
| const int32x4_t add_const = | |
| vreinterpretq_s32_u64(vdupq_n_u64(1 << (8 + FILTER_BITS - 1))); | |
| // Loading the 8 filter taps | |
| int16x8_t f[8]; | |
| load_filters_8(f, sx, alpha); | |
| int8x16_t f01_u8 = vcombine_s8(vmovn_s16(f[0]), vmovn_s16(f[1])); | |
| int8x16_t f23_u8 = vcombine_s8(vmovn_s16(f[2]), vmovn_s16(f[3])); | |
| int8x16_t f45_u8 = vcombine_s8(vmovn_s16(f[4]), vmovn_s16(f[5])); | |
| int8x16_t f67_u8 = vcombine_s8(vmovn_s16(f[6]), vmovn_s16(f[7])); | |
| uint8x8_t in0 = vget_low_u8(in); | |
| uint8x8_t in1 = vget_low_u8(vextq_u8(in, in, 1)); | |
| uint8x8_t in2 = vget_low_u8(vextq_u8(in, in, 2)); | |
| uint8x8_t in3 = vget_low_u8(vextq_u8(in, in, 3)); | |
| uint8x8_t in4 = vget_low_u8(vextq_u8(in, in, 4)); | |
| uint8x8_t in5 = vget_low_u8(vextq_u8(in, in, 5)); | |
| uint8x8_t in6 = vget_low_u8(vextq_u8(in, in, 6)); | |
| uint8x8_t in7 = vget_low_u8(vextq_u8(in, in, 7)); | |
| int32x4_t m01 = vusdotq_s32(add_const, vcombine_u8(in0, in1), f01_u8); | |
| int32x4_t m23 = vusdotq_s32(add_const, vcombine_u8(in2, in3), f23_u8); | |
| int32x4_t m45 = vusdotq_s32(add_const, vcombine_u8(in4, in5), f45_u8); | |
| int32x4_t m67 = vusdotq_s32(add_const, vcombine_u8(in6, in7), f67_u8); | |
| int32x4_t m0123 = vpaddq_s32(m01, m23); | |
| int32x4_t m4567 = vpaddq_s32(m45, m67); | |
| uint16x8_t res = vcombine_u16(vqrshrun_n_s32(m0123, ROUND0_BITS), | |
| vqrshrun_n_s32(m4567, ROUND0_BITS)); | |
| return vreinterpretq_s16_u16(res); | |
| } | |
| static AOM_FORCE_INLINE int16x8_t horizontal_filter_4x1_f1_6tap_beta0( | |
| const uint8x16_t in, const int8x16_t filter, const uint8x16_t perm_tbl) { | |
| const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); | |
| // Permute samples ready for matrix multiply. | |
| // { 0, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 8, 9 } | |
| const uint8x16_t perm_samples = vqtbl1q_u8(in, perm_tbl); | |
| // These instructions multiply a 2x8 matrix (samples) by an 8x2 matrix | |
| // (filter), destructively accumulating into the destination register. | |
| int32x4_t sum = vusmmlaq_s32(add_const, perm_samples, filter); | |
| uint16x8_t res = | |
| vcombine_u16(vqrshrun_n_s32(sum, ROUND0_BITS), vdup_n_u16(0)); | |
| return vreinterpretq_s16_u16(res); | |
| } | |
| static AOM_FORCE_INLINE int16x8_t horizontal_filter_4x1_f1_8tap_beta0( | |
| const uint8x16_t in, const int8x16_t filter, const int32x4_t f0, | |
| const uint8x16_t perm_tbl, const uint8x16_t tbl_idx0_3) { | |
| const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); | |
| // Permute samples ready for matrix multiply. | |
| // { 1, 2, 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, 9, 10 } | |
| const uint8x16_t perm_samples = vqtbl1q_u8(in, perm_tbl); | |
| // Get samples 0..3 to apply tap 0 after matrix multiply. | |
| const int32x4_t samples_0_3 = | |
| vreinterpretq_s32_u8(vqtbl1q_u8(in, tbl_idx0_3)); | |
| // Calculate partial 7-tap convolution. | |
| int32x4_t sum = vusmmlaq_s32(add_const, perm_samples, filter); | |
| // Apply tap 0 and accumulate. | |
| sum = vmlaq_s32(sum, samples_0_3, f0); | |
| uint16x8_t res = | |
| vcombine_u16(vqrshrun_n_s32(sum, ROUND0_BITS), vdup_n_u16(0)); | |
| return vreinterpretq_s16_u16(res); | |
| } | |
| static AOM_FORCE_INLINE int16x8_t horizontal_filter_4x1_f1(const uint8x16_t in, | |
| int sx) { | |
| const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); | |
| int16x8_t f_s16 = vld1q_s16(av1_warped_filter[sx >> WARPEDDIFF_PREC_BITS]); | |
| int8x16_t f_s8 = vcombine_s8(vmovn_s16(f_s16), vmovn_s16(f_s16)); | |
| uint8x16_t perm0 = vld1q_u8(&usdot_permute_idx[0]); | |
| uint8x16_t perm1 = vld1q_u8(&usdot_permute_idx[16]); | |
| // Permute samples ready for dot product. | |
| // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } | |
| // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } | |
| uint8x16_t in_0123 = vqtbl1q_u8(in, perm0); | |
| uint8x16_t in_4567 = vqtbl1q_u8(in, perm1); | |
| int32x4_t m0123 = vusdotq_laneq_s32(add_const, in_0123, f_s8, 0); | |
| m0123 = vusdotq_laneq_s32(m0123, in_4567, f_s8, 1); | |
| uint16x8_t res = | |
| vcombine_u16(vqrshrun_n_s32(m0123, ROUND0_BITS), vdup_n_u16(0)); | |
| return vreinterpretq_s16_u16(res); | |
| } | |
| static AOM_FORCE_INLINE int16x8_t horizontal_filter_8x1_f1_6tap_beta0( | |
| const uint8x16_t in, const int8x16_t filter, const uint8x16x2_t perm_tbl) { | |
| const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); | |
| // Permute samples ready for matrix multiply. | |
| // { 0, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 8, 9 } | |
| // { 4, 5, 6, 7, 8, 9, 10, 11, 6, 7, 8, 9, 10, 11, 12, 13 } | |
| uint8x16_t perm_samples[2] = { vqtbl1q_u8(in, perm_tbl.val[0]), | |
| vqtbl1q_u8(in, perm_tbl.val[1]) }; | |
| // These instructions multiply a 2x8 matrix (samples) by an 8x2 matrix | |
| // (filter), destructively accumulating into the destination register. | |
| int32x4_t sum0123 = vusmmlaq_s32(add_const, perm_samples[0], filter); | |
| int32x4_t sum4567 = vusmmlaq_s32(add_const, perm_samples[1], filter); | |
| uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0123, ROUND0_BITS), | |
| vqrshrun_n_s32(sum4567, ROUND0_BITS)); | |
| return vreinterpretq_s16_u16(res); | |
| } | |
| static AOM_FORCE_INLINE int16x8_t horizontal_filter_8x1_f1_8tap_beta0( | |
| const uint8x16_t in, const int8x16_t filter, const int16x4_t f0, | |
| const uint8x16x2_t perm_tbl) { | |
| const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); | |
| // Permute samples ready for matrix multiply. | |
| // { 1, 2, 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, 9, 10 } | |
| // { 5, 6, 7, 8, 9, 10, 11, 12, 7, 8, 9, 10, 11, 12, 13, 14 } | |
| uint8x16_t perm_samples[2] = { vqtbl1q_u8(in, perm_tbl.val[0]), | |
| vqtbl1q_u8(in, perm_tbl.val[1]) }; | |
| // Get samples 0..7 to apply tap 0 after matrix multiply. | |
| int16x8_t samples_0_7 = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in))); | |
| // Calculate partial 7-tap convolution. | |
| int32x4_t sum0123 = vusmmlaq_s32(add_const, perm_samples[0], filter); | |
| int32x4_t sum4567 = vusmmlaq_s32(add_const, perm_samples[1], filter); | |
| // Apply tap 0 and accumulate. | |
| sum0123 = vmlal_s16(sum0123, vget_low_s16(samples_0_7), f0); | |
| sum4567 = vmlal_s16(sum4567, vget_high_s16(samples_0_7), f0); | |
| uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0123, ROUND0_BITS), | |
| vqrshrun_n_s32(sum4567, ROUND0_BITS)); | |
| return vreinterpretq_s16_u16(res); | |
| } | |
| static AOM_FORCE_INLINE int16x8_t horizontal_filter_8x1_f1(const uint8x16_t in, | |
| int sx) { | |
| const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); | |
| int16x8_t f_s16 = vld1q_s16(av1_warped_filter[sx >> WARPEDDIFF_PREC_BITS]); | |
| int8x16_t f_s8 = vcombine_s8(vmovn_s16(f_s16), vmovn_s16(f_s16)); | |
| uint8x16_t perm0 = vld1q_u8(&usdot_permute_idx[0]); | |
| uint8x16_t perm1 = vld1q_u8(&usdot_permute_idx[16]); | |
| uint8x16_t perm2 = vld1q_u8(&usdot_permute_idx[32]); | |
| // Permute samples ready for dot product. | |
| // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } | |
| // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } | |
| // { 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 } | |
| uint8x16_t in_0123 = vqtbl1q_u8(in, perm0); | |
| uint8x16_t in_4567 = vqtbl1q_u8(in, perm1); | |
| uint8x16_t in_89ab = vqtbl1q_u8(in, perm2); | |
| int32x4_t m0123 = vusdotq_laneq_s32(add_const, in_0123, f_s8, 0); | |
| m0123 = vusdotq_laneq_s32(m0123, in_4567, f_s8, 1); | |
| int32x4_t m4567 = vusdotq_laneq_s32(add_const, in_4567, f_s8, 0); | |
| m4567 = vusdotq_laneq_s32(m4567, in_89ab, f_s8, 1); | |
| uint16x8_t res = vcombine_u16(vqrshrun_n_s32(m0123, ROUND0_BITS), | |
| vqrshrun_n_s32(m4567, ROUND0_BITS)); | |
| return vreinterpretq_s16_u16(res); | |
| } | |
| static AOM_FORCE_INLINE void vertical_filter_4x1_f4(const int16x8_t *src, | |
| int32x4_t *res, int sy, | |
| int gamma) { | |
| int16x8_t s0, s1, s2, s3; | |
| transpose_elems_s16_4x8( | |
| vget_low_s16(src[0]), vget_low_s16(src[1]), vget_low_s16(src[2]), | |
| vget_low_s16(src[3]), vget_low_s16(src[4]), vget_low_s16(src[5]), | |
| vget_low_s16(src[6]), vget_low_s16(src[7]), &s0, &s1, &s2, &s3); | |
| int16x8_t f[4]; | |
| load_filters_4(f, sy, gamma); | |
| int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), s0, f[0]); | |
| int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), s1, f[1]); | |
| int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), s2, f[2]); | |
| int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), s3, f[3]); | |
| int64x2_t m01 = vpaddq_s64(m0, m1); | |
| int64x2_t m23 = vpaddq_s64(m2, m3); | |
| *res = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23)); | |
| } | |
| static AOM_FORCE_INLINE void vertical_filter_8x1_f8(const int16x8_t *src, | |
| int32x4_t *res_low, | |
| int32x4_t *res_high, int sy, | |
| int gamma) { | |
| int16x8_t s0 = src[0]; | |
| int16x8_t s1 = src[1]; | |
| int16x8_t s2 = src[2]; | |
| int16x8_t s3 = src[3]; | |
| int16x8_t s4 = src[4]; | |
| int16x8_t s5 = src[5]; | |
| int16x8_t s6 = src[6]; | |
| int16x8_t s7 = src[7]; | |
| transpose_elems_inplace_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7); | |
| int16x8_t f[8]; | |
| load_filters_8(f, sy, gamma); | |
| int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), s0, f[0]); | |
| int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), s1, f[1]); | |
| int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), s2, f[2]); | |
| int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), s3, f[3]); | |
| int64x2_t m4 = aom_sdotq_s16(vdupq_n_s64(0), s4, f[4]); | |
| int64x2_t m5 = aom_sdotq_s16(vdupq_n_s64(0), s5, f[5]); | |
| int64x2_t m6 = aom_sdotq_s16(vdupq_n_s64(0), s6, f[6]); | |
| int64x2_t m7 = aom_sdotq_s16(vdupq_n_s64(0), s7, f[7]); | |
| int64x2_t m01 = vpaddq_s64(m0, m1); | |
| int64x2_t m23 = vpaddq_s64(m2, m3); | |
| int64x2_t m45 = vpaddq_s64(m4, m5); | |
| int64x2_t m67 = vpaddq_s64(m6, m7); | |
| *res_low = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23)); | |
| *res_high = vcombine_s32(vmovn_s64(m45), vmovn_s64(m67)); | |
| } | |
| static AOM_FORCE_INLINE void warp_affine_horizontal_sve( | |
| const uint8_t *ref, int width, int height, int stride, int p_width, | |
| int p_height, int16_t alpha, int16_t beta, const int64_t x4, | |
| const int64_t y4, const int i, int16x8_t tmp[]) { | |
| const int height_limit = AOMMIN(8, p_height - i) + 7; | |
| int32_t ix4 = (int32_t)(x4 >> WARPEDMODEL_PREC_BITS); | |
| int32_t iy4 = (int32_t)(y4 >> WARPEDMODEL_PREC_BITS); | |
| int32_t sx4 = x4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); | |
| sx4 += alpha * (-4) + beta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + | |
| (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); | |
| sx4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); | |
| if (warp_affine_special_case(ref, ix4, iy4, width, height, stride, | |
| height_limit, tmp)) { | |
| return; | |
| } | |
| static const uint8_t kIotaArr[] = { 0, 1, 2, 3, 4, 5, 6, 7, | |
| 8, 9, 10, 11, 12, 13, 14, 15 }; | |
| const uint8x16_t indx = vld1q_u8(kIotaArr); | |
| const int out_of_boundary_left = -(ix4 - 6); | |
| const int out_of_boundary_right = (ix4 + 8) - width; | |
| if (p_width == 4) { | |
| if (beta == 0) { | |
| if (alpha == 0) { | |
| int16_t *f_ptr = | |
| (int16_t *)(av1_warped_filter + (sx4 >> WARPEDDIFF_PREC_BITS)); | |
| int16x8_t f_s16 = vld1q_s16(f_ptr); | |
| const int8x8_t x_filter = vmovn_s16(f_s16); | |
| if ((f_ptr[0] | f_ptr[1]) == 0) { | |
| uint8x16_t perm_tbl = vld1q_u8(kMatMul6PermuteTbl); | |
| // Offset the permutation table to match filter layout. | |
| perm_tbl = vaddq_u8(perm_tbl, vdupq_n_u8(2)); | |
| // Stagger filter for use with the matrix multiply instructions. | |
| // { f2, f3, f4, f5, f6, f7, 0, 0, 0, f2, f3, f4, f5, f6, f7, 0 } | |
| const int8x16_t filter = vcombine_s8(vext_s8(x_filter, x_filter, 2), | |
| vext_s8(x_filter, x_filter, 1)); | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_4x1_f1_6tap_beta0, filter, | |
| perm_tbl); | |
| } else if ((f_ptr[0] | f_ptr[7]) == 0) { | |
| uint8x16_t perm_tbl = vld1q_u8(kMatMul6PermuteTbl); | |
| // Offset the permutation table to match filter layout. | |
| perm_tbl = vaddq_u8(perm_tbl, vdupq_n_u8(1)); | |
| // Stagger filter for use with the matrix multiply instructions. | |
| // { f1, f2, f3, f4, f5, f6, 0, 0, 0, f1, f2, f3, f4, f5, f6, 0 } | |
| const int8x16_t filter = | |
| vcombine_s8(vext_s8(x_filter, x_filter, 1), x_filter); | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_4x1_f1_6tap_beta0, filter, | |
| perm_tbl); | |
| } else if ((f_ptr[6] | f_ptr[7]) == 0) { | |
| const uint8x16_t perm_tbl = vld1q_u8(kMatMul6PermuteTbl); | |
| // Stagger filter for use with the matrix multiply instructions. | |
| // { f0, f1, f2, f3, f4, f5, 0, 0, 0, f0, f1, f2, f3, f4, f5, 0 } | |
| const int8x16_t filter = | |
| vcombine_s8(x_filter, vext_s8(x_filter, x_filter, 7)); | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_4x1_f1_6tap_beta0, filter, | |
| perm_tbl); | |
| } else { | |
| const uint8x16_t perm_tbl = vld1q_u8(kMatMul8PermuteTbl); | |
| const uint8x16_t tbl_idx0_3 = vld1q_u8(kTblIdx0_3); | |
| // Stagger filter for use with the matrix multiply | |
| // instructions. | |
| // { f1, f2, f3, f4, f5, f6, f7, 0, 0, f1, f2, f3, f4, f5, f6, f7 } | |
| const int8x16_t filter = vcombine_s8( | |
| vext_s8(x_filter, vdup_n_s8(0), 1), vset_lane_s8(0, x_filter, 0)); | |
| const int32x4_t f0 = vdupq_n_s32(f_ptr[0]); | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_4x1_f1_8tap_beta0, filter, | |
| f0, perm_tbl, tbl_idx0_3); | |
| } | |
| } else { | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_4x1_f4, sx4, alpha); | |
| } | |
| } else { | |
| if (alpha == 0) { | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_4x1_f1, | |
| (sx4 + beta * (k - 3))); | |
| } else { | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_4x1_f4, (sx4 + beta * (k - 3)), | |
| alpha); | |
| } | |
| } | |
| } else { | |
| if (beta == 0) { | |
| if (alpha == 0) { | |
| int16_t *f_ptr = | |
| (int16_t *)(av1_warped_filter + (sx4 >> WARPEDDIFF_PREC_BITS)); | |
| int16x8_t f_s16 = vld1q_s16(f_ptr); | |
| const int8x8_t x_filter = vmovn_s16(f_s16); | |
| if ((f_ptr[0] | f_ptr[1]) == 0) { | |
| uint8x16x2_t perm_tbl = vld1q_u8_x2(kMatMul6PermuteTbl); | |
| // Offset the permutation table to match filter layout. | |
| perm_tbl.val[0] = vaddq_u8(perm_tbl.val[0], vdupq_n_u8(2)); | |
| perm_tbl.val[1] = vaddq_u8(perm_tbl.val[1], vdupq_n_u8(2)); | |
| // Stagger filter for use with the matrix multiply instructions. | |
| // { f0, f1, f2, f3, f4, f5, 0, 0, 0, f0, f1, f2, f3, f4, f5, 0 } | |
| const int8x16_t filter = vcombine_s8(vext_s8(x_filter, x_filter, 2), | |
| vext_s8(x_filter, x_filter, 1)); | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_8x1_f1_6tap_beta0, filter, | |
| perm_tbl); | |
| } else if ((f_ptr[0] | f_ptr[7]) == 0) { | |
| uint8x16x2_t perm_tbl = vld1q_u8_x2(kMatMul6PermuteTbl); | |
| // Offset the permutation table to match filter layout. | |
| perm_tbl.val[0] = vaddq_u8(perm_tbl.val[0], vdupq_n_u8(1)); | |
| perm_tbl.val[1] = vaddq_u8(perm_tbl.val[1], vdupq_n_u8(1)); | |
| // Stagger filter for use with the matrix multiply instructions. | |
| // { f1, f2, f3, f4, f5, f6, 0, 0, 0, f1, f2, f3, f4, f5, f6, 0 } | |
| const int8x16_t filter = | |
| vcombine_s8(vext_s8(x_filter, x_filter, 1), x_filter); | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_8x1_f1_6tap_beta0, filter, | |
| perm_tbl); | |
| } else if ((f_ptr[6] | f_ptr[7]) == 0) { | |
| uint8x16x2_t perm_tbl = vld1q_u8_x2(kMatMul6PermuteTbl); | |
| // Stagger filter for use with the matrix multiply instructions. | |
| // { f0, f1, f2, f3, f4, f5, 0, 0, 0, f0, f1, f2, f3, f4, f5, 0 } | |
| const int8x16_t filter = | |
| vcombine_s8(x_filter, vext_s8(x_filter, x_filter, 7)); | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_8x1_f1_6tap_beta0, filter, | |
| perm_tbl); | |
| } else { | |
| uint8x16x2_t perm_tbl = vld1q_u8_x2(kMatMul8PermuteTbl); | |
| // Stagger filter for use with the matrix multiply instructions. | |
| // { f1, f2, f3, f4, f5, f6, f7, 0, 0, f1, f2, f3, f4, f5, f6, f7 } | |
| const int8x16_t filter = vcombine_s8( | |
| vext_s8(x_filter, vdup_n_s8(0), 1), vset_lane_s8(0, x_filter, 0)); | |
| const int16x4_t f0 = vdup_n_s16(f_ptr[0]); | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_8x1_f1_8tap_beta0, filter, | |
| f0, perm_tbl); | |
| } | |
| } else { | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_8x1_f8, sx4, alpha); | |
| } | |
| } else { | |
| if (alpha == 0) { | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_8x1_f1, | |
| (sx4 + beta * (k - 3))); | |
| } else { | |
| APPLY_HORIZONTAL_SHIFT(horizontal_filter_8x1_f8, (sx4 + beta * (k - 3)), | |
| alpha); | |
| } | |
| } | |
| } | |
| } | |
| void av1_warp_affine_sve(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) { | |
| const int w0 = conv_params->fwd_offset; | |
| const int w1 = conv_params->bck_offset; | |
| const int is_compound = conv_params->is_compound; | |
| uint16_t *const dst = conv_params->dst; | |
| const int dst_stride = conv_params->dst_stride; | |
| const int do_average = conv_params->do_average; | |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; | |
| assert(IMPLIES(is_compound, dst != NULL)); | |
| assert(IMPLIES(do_average, is_compound)); | |
| for (int i = 0; i < p_height; i += 8) { | |
| for (int 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 int64_t dst_x = | |
| (int64_t)mat[2] * src_x + (int64_t)mat[3] * src_y + (int64_t)mat[0]; | |
| const int64_t dst_y = | |
| (int64_t)mat[4] * src_x + (int64_t)mat[5] * src_y + (int64_t)mat[1]; | |
| const int64_t x4 = dst_x >> subsampling_x; | |
| const int64_t y4 = dst_y >> subsampling_y; | |
| int16x8_t tmp[15]; | |
| warp_affine_horizontal_sve(ref, width, height, stride, p_width, p_height, | |
| alpha, beta, x4, y4, i, tmp); | |
| warp_affine_vertical(pred, p_width, p_height, p_stride, is_compound, dst, | |
| dst_stride, do_average, use_dist_wtd_comp_avg, gamma, | |
| delta, y4, i, j, tmp, w0, w1); | |
| } | |
| } | |
| } |