| /* |
| * Copyright (c) 2018, 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 <assert.h> |
| |
| #include "aom_dsp/arm/mem_neon.h" |
| #include "aom_dsp/arm/transpose_neon.h" |
| #include "av1/common/arm/compound_convolve_neon.h" |
| #include "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| static INLINE int16x4_t convolve4_4_2d_h(const int16x4_t s0, const int16x4_t s1, |
| const int16x4_t s2, const int16x4_t s3, |
| const int16x4_t x_filter, |
| const int16x4_t horiz_const) { |
| int16x4_t sum = horiz_const; |
| sum = vmla_lane_s16(sum, s0, x_filter, 0); |
| sum = vmla_lane_s16(sum, s1, x_filter, 1); |
| sum = vmla_lane_s16(sum, s2, x_filter, 2); |
| sum = vmla_lane_s16(sum, s3, x_filter, 3); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| return vshr_n_s16(sum, ROUND0_BITS - 1); |
| } |
| |
| static INLINE int16x8_t convolve8_8_2d_h(const int16x8_t s0, const int16x8_t s1, |
| const int16x8_t s2, const int16x8_t s3, |
| const int16x8_t s4, const int16x8_t s5, |
| const int16x8_t s6, const int16x8_t s7, |
| const int16x8_t x_filter, |
| const int16x8_t horiz_const) { |
| const int16x4_t x_filter_0_3 = vget_low_s16(x_filter); |
| const int16x4_t x_filter_4_7 = vget_high_s16(x_filter); |
| |
| int16x8_t sum = horiz_const; |
| sum = vmlaq_lane_s16(sum, s0, x_filter_0_3, 0); |
| sum = vmlaq_lane_s16(sum, s1, x_filter_0_3, 1); |
| sum = vmlaq_lane_s16(sum, s2, x_filter_0_3, 2); |
| sum = vmlaq_lane_s16(sum, s3, x_filter_0_3, 3); |
| sum = vmlaq_lane_s16(sum, s4, x_filter_4_7, 0); |
| sum = vmlaq_lane_s16(sum, s5, x_filter_4_7, 1); |
| sum = vmlaq_lane_s16(sum, s6, x_filter_4_7, 2); |
| sum = vmlaq_lane_s16(sum, s7, x_filter_4_7, 3); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| return vshrq_n_s16(sum, ROUND0_BITS - 1); |
| } |
| |
| static INLINE void dist_wtd_convolve_2d_horiz_neon( |
| const uint8_t *src, int src_stride, int16_t *im_block, const int im_stride, |
| const int16_t *x_filter_ptr, const int im_h, int w) { |
| const int bd = 8; |
| |
| const uint8_t *src_ptr = src; |
| int16_t *dst_ptr = im_block; |
| int dst_stride = im_stride; |
| int height = im_h; |
| |
| if (w == 4) { |
| // A shim of 1 << ((ROUND0_BITS - 1) - 1) enables us to use non-rounding |
| // shifts - which are generally faster than rounding shifts on modern CPUs. |
| // (The extra -1 is needed because we halved the filter values.) |
| const int16x4_t horiz_const = vdup_n_s16((1 << (bd + FILTER_BITS - 2)) + |
| (1 << ((ROUND0_BITS - 1) - 1))); |
| // 4-tap filters are used for blocks having width <= 4. |
| // Filter values are even, so halve to reduce intermediate precision reqs. |
| const int16x4_t x_filter = vshr_n_s16(vld1_s16(x_filter_ptr + 2), 1); |
| |
| src_ptr += 2; |
| |
| do { |
| uint8x8_t t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 |
| int16x4_t s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| int16x4_t s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| |
| __builtin_prefetch(dst_ptr); |
| |
| int16x4_t s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 |
| int16x4_t s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 |
| int16x4_t s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 |
| |
| int16x4_t d0 = convolve4_4_2d_h(s0, s1, s2, s3, x_filter, horiz_const); |
| |
| vst1_s16(dst_ptr, d0); |
| |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| } while (--height != 0); |
| } else { |
| // A shim of 1 << ((ROUND0_BITS - 1) - 1) enables us to use non-rounding |
| // shifts - which are generally faster than rounding shifts on modern CPUs. |
| // (The extra -1 is needed because we halved the filter values.) |
| const int16x8_t horiz_const = vdupq_n_s16((1 << (bd + FILTER_BITS - 2)) + |
| (1 << ((ROUND0_BITS - 1) - 1))); |
| // Filter values are even, so halve to reduce intermediate precision reqs. |
| const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); |
| |
| #if AOM_ARCH_AARCH64 |
| do { |
| const uint8_t *s; |
| int16_t *d = dst_ptr; |
| int width = w; |
| |
| __builtin_prefetch(src_ptr + 0 * src_stride); |
| __builtin_prefetch(src_ptr + 1 * src_stride); |
| __builtin_prefetch(src_ptr + 2 * src_stride); |
| __builtin_prefetch(src_ptr + 3 * src_stride); |
| __builtin_prefetch(src_ptr + 4 * src_stride); |
| __builtin_prefetch(src_ptr + 5 * src_stride); |
| __builtin_prefetch(src_ptr + 6 * src_stride); |
| __builtin_prefetch(src_ptr + 7 * src_stride); |
| |
| uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; |
| load_u8_8x8(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| s = src_ptr + 7; |
| |
| __builtin_prefetch(dst_ptr + 0 * dst_stride); |
| __builtin_prefetch(dst_ptr + 1 * dst_stride); |
| __builtin_prefetch(dst_ptr + 2 * dst_stride); |
| __builtin_prefetch(dst_ptr + 3 * dst_stride); |
| __builtin_prefetch(dst_ptr + 4 * dst_stride); |
| __builtin_prefetch(dst_ptr + 5 * dst_stride); |
| __builtin_prefetch(dst_ptr + 6 * dst_stride); |
| __builtin_prefetch(dst_ptr + 7 * dst_stride); |
| |
| do { |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| int16x8_t d0 = convolve8_8_2d_h(s0, s1, s2, s3, s4, s5, s6, s7, |
| x_filter, horiz_const); |
| int16x8_t d1 = convolve8_8_2d_h(s1, s2, s3, s4, s5, s6, s7, s8, |
| x_filter, horiz_const); |
| int16x8_t d2 = convolve8_8_2d_h(s2, s3, s4, s5, s6, s7, s8, s9, |
| x_filter, horiz_const); |
| int16x8_t d3 = convolve8_8_2d_h(s3, s4, s5, s6, s7, s8, s9, s10, |
| x_filter, horiz_const); |
| int16x8_t d4 = convolve8_8_2d_h(s4, s5, s6, s7, s8, s9, s10, s11, |
| x_filter, horiz_const); |
| int16x8_t d5 = convolve8_8_2d_h(s5, s6, s7, s8, s9, s10, s11, s12, |
| x_filter, horiz_const); |
| int16x8_t d6 = convolve8_8_2d_h(s6, s7, s8, s9, s10, s11, s12, s13, |
| x_filter, horiz_const); |
| int16x8_t d7 = convolve8_8_2d_h(s7, s8, s9, s10, s11, s12, s13, s14, |
| x_filter, horiz_const); |
| |
| transpose_elems_inplace_s16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); |
| store_s16_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7); |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s5 = s13; |
| s6 = s14; |
| s += 8; |
| d += 8; |
| width -= 8; |
| } while (width > 0); |
| src_ptr += 8 * src_stride; |
| dst_ptr += 8 * dst_stride; |
| height -= 8; |
| } while (height > 8); |
| #endif // AOM_ARCH_AARCH64 |
| |
| do { |
| const uint8_t *s; |
| int16_t *d = dst_ptr; |
| int width = w; |
| |
| uint8x8_t t0 = vld1_u8(src_ptr); |
| int16x8_t s0 = |
| vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7 |
| |
| s = src_ptr + 8; |
| __builtin_prefetch(dst_ptr); |
| |
| do { |
| t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| |
| int16x8_t s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 |
| int16x8_t s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 |
| int16x8_t s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 |
| int16x8_t s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 |
| int16x8_t s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 |
| int16x8_t s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 |
| int16x8_t s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 |
| |
| int16x8_t d0 = convolve8_8_2d_h(s0, s1, s2, s3, s4, s5, s6, s7, |
| x_filter, horiz_const); |
| vst1q_s16(d, d0); |
| |
| s0 = s8; |
| s += 8; |
| d += 8; |
| width -= 8; |
| } while (width > 0); |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| } while (--height != 0); |
| } |
| } |
| |
| void av1_dist_wtd_convolve_2d_neon(const uint8_t *src, int src_stride, |
| uint8_t *dst8, int dst8_stride, int w, int h, |
| const InterpFilterParams *filter_params_x, |
| const InterpFilterParams *filter_params_y, |
| const int subpel_x_qn, const int subpel_y_qn, |
| ConvolveParams *conv_params) { |
| assert(w % 4 == 0); |
| assert(h % 4 == 0); |
| |
| DECLARE_ALIGNED(16, int16_t, |
| im_block[(MAX_SB_SIZE + SUBPEL_TAPS - 1) * MAX_SB_SIZE]); |
| |
| const int y_filter_taps = get_filter_tap(filter_params_y, subpel_y_qn); |
| const int clamped_y_taps = y_filter_taps < 6 ? 6 : y_filter_taps; |
| |
| const int im_h = h + clamped_y_taps - 1; |
| const int im_stride = MAX_SB_SIZE; |
| const int vert_offset = clamped_y_taps / 2 - 1; |
| const int horiz_offset = filter_params_x->taps / 2 - 1; |
| const uint8_t *src_ptr = src - vert_offset * src_stride - horiz_offset; |
| const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( |
| filter_params_x, subpel_x_qn & SUBPEL_MASK); |
| const int16_t *y_filter_ptr = av1_get_interp_filter_subpel_kernel( |
| filter_params_y, subpel_y_qn & SUBPEL_MASK); |
| |
| const int16x8_t y_filter = vld1q_s16(y_filter_ptr); |
| |
| dist_wtd_convolve_2d_horiz_neon(src_ptr, src_stride, im_block, im_stride, |
| x_filter_ptr, im_h, w); |
| |
| if (clamped_y_taps == 6) { |
| if (conv_params->do_average) { |
| if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { |
| dist_wtd_convolve_2d_vert_6tap_dist_wtd_avg_neon( |
| im_block, im_stride, dst8, dst8_stride, conv_params, y_filter, h, |
| w); |
| } else { |
| dist_wtd_convolve_2d_vert_6tap_avg_neon(im_block, im_stride, dst8, |
| dst8_stride, conv_params, |
| y_filter, h, w); |
| } |
| } else { |
| dist_wtd_convolve_2d_vert_6tap_neon(im_block, im_stride, conv_params, |
| y_filter, h, w); |
| } |
| } else { |
| if (conv_params->do_average) { |
| if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { |
| dist_wtd_convolve_2d_vert_8tap_dist_wtd_avg_neon( |
| im_block, im_stride, dst8, dst8_stride, conv_params, y_filter, h, |
| w); |
| } else { |
| dist_wtd_convolve_2d_vert_8tap_avg_neon(im_block, im_stride, dst8, |
| dst8_stride, conv_params, |
| y_filter, h, w); |
| } |
| } else { |
| dist_wtd_convolve_2d_vert_8tap_neon(im_block, im_stride, conv_params, |
| y_filter, h, w); |
| } |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_2d_copy_dist_wtd_avg_neon( |
| const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, |
| int h, ConvolveParams *conv_params) { |
| assert(w % 4 == 0); |
| assert(h % 4 == 0); |
| |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const uint16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const uint16x8_t round_offset_vec = vdupq_n_u16(round_offset); |
| const uint8x8_t shift_by_bits = vdup_n_u8(1 << (FILTER_BITS - ROUND0_BITS)); |
| |
| const uint16_t fwd_offset = conv_params->fwd_offset; |
| const uint16_t bck_offset = conv_params->bck_offset; |
| |
| CONV_BUF_TYPE *dst = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int height = h; |
| |
| if (w == 4) { |
| do { |
| uint8x8_t s0, s1, s2, s3; |
| load_u8_8x4(src, src_stride, &s0, &s1, &s2, &s3); |
| |
| uint16x4_t d0 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s0, shift_by_bits)); |
| uint16x4_t d1 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s1, shift_by_bits)); |
| uint16x4_t d2 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s2, shift_by_bits)); |
| uint16x4_t d3 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s3, shift_by_bits)); |
| |
| uint16x4_t dd0, dd1, dd2, dd3; |
| load_u16_4x4(dst, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d01, d23; |
| compute_dist_wtd_avg_4x4( |
| dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, bck_offset, |
| vreinterpretq_s16_u16(round_offset_vec), &d01, &d23); |
| |
| store_u8x4_strided_x2(dst8 + 0 * dst8_stride, dst8_stride, d01); |
| store_u8x4_strided_x2(dst8 + 2 * dst8_stride, dst8_stride, d23); |
| |
| src += 4 * src_stride; |
| dst += 4 * dst_stride; |
| dst8 += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } else { |
| do { |
| const uint8_t *s = src; |
| CONV_BUF_TYPE *d = dst; |
| uint8_t *d_u8 = dst8; |
| int width = w; |
| |
| do { |
| uint8x8_t s0, s1, s2, s3; |
| load_u8_8x4(s, src_stride, &s0, &s1, &s2, &s3); |
| |
| uint16x8_t d0 = vmlal_u8(round_offset_vec, s0, shift_by_bits); |
| uint16x8_t d1 = vmlal_u8(round_offset_vec, s1, shift_by_bits); |
| uint16x8_t d2 = vmlal_u8(round_offset_vec, s2, shift_by_bits); |
| uint16x8_t d3 = vmlal_u8(round_offset_vec, s3, shift_by_bits); |
| |
| uint16x8_t dd0, dd1, dd2, dd3; |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| compute_dist_wtd_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, |
| vreinterpretq_s16_u16(round_offset_vec), |
| &d0_u8, &d1_u8, &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| |
| s += 8; |
| d += 8; |
| d_u8 += 8; |
| width -= 8; |
| } while (width != 0); |
| src += 4 * src_stride; |
| dst += 4 * dst_stride; |
| dst8 += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_2d_copy_avg_neon( |
| const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, |
| int h, ConvolveParams *conv_params) { |
| assert(w % 4 == 0); |
| assert(h % 4 == 0); |
| |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const uint16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const uint16x8_t round_offset_vec = vdupq_n_u16(round_offset); |
| const uint8x8_t shift_by_bits = vdup_n_u8(1 << (FILTER_BITS - ROUND0_BITS)); |
| |
| CONV_BUF_TYPE *dst = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int height = h; |
| |
| if (w == 4) { |
| do { |
| uint8x8_t s0, s1, s2, s3; |
| load_u8_8x4(src, src_stride, &s0, &s1, &s2, &s3); |
| |
| uint16x4_t d0 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s0, shift_by_bits)); |
| uint16x4_t d1 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s1, shift_by_bits)); |
| uint16x4_t d2 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s2, shift_by_bits)); |
| uint16x4_t d3 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s3, shift_by_bits)); |
| |
| uint16x4_t dd0, dd1, dd2, dd3; |
| load_u16_4x4(dst, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d01, d23; |
| compute_basic_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, |
| vreinterpretq_s16_u16(round_offset_vec), &d01, |
| &d23); |
| |
| store_u8x4_strided_x2(dst8 + 0 * dst8_stride, dst8_stride, d01); |
| store_u8x4_strided_x2(dst8 + 2 * dst8_stride, dst8_stride, d23); |
| |
| src += 4 * src_stride; |
| dst += 4 * dst_stride; |
| dst8 += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } else { |
| do { |
| const uint8_t *s = src; |
| CONV_BUF_TYPE *d = dst; |
| uint8_t *d_u8 = dst8; |
| int width = w; |
| |
| do { |
| uint8x8_t s0, s1, s2, s3; |
| load_u8_8x4(s, src_stride, &s0, &s1, &s2, &s3); |
| |
| uint16x8_t d0 = vmlal_u8(round_offset_vec, s0, shift_by_bits); |
| uint16x8_t d1 = vmlal_u8(round_offset_vec, s1, shift_by_bits); |
| uint16x8_t d2 = vmlal_u8(round_offset_vec, s2, shift_by_bits); |
| uint16x8_t d3 = vmlal_u8(round_offset_vec, s3, shift_by_bits); |
| |
| uint16x8_t dd0, dd1, dd2, dd3; |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| compute_basic_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, |
| vreinterpretq_s16_u16(round_offset_vec), &d0_u8, |
| &d1_u8, &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| |
| s += 8; |
| d += 8; |
| d_u8 += 8; |
| width -= 8; |
| } while (width != 0); |
| src += 4 * src_stride; |
| dst += 4 * dst_stride; |
| dst8 += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_2d_copy_neon(const uint8_t *src, |
| int src_stride, int w, int h, |
| ConvolveParams *conv_params) { |
| assert(w % 4 == 0); |
| assert(h % 4 == 0); |
| |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const uint16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const uint16x8_t round_offset_vec = vdupq_n_u16(round_offset); |
| const uint8x8_t shift_by_bits = vdup_n_u8(1 << (FILTER_BITS - ROUND0_BITS)); |
| |
| CONV_BUF_TYPE *dst = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int height = h; |
| |
| if (w == 4) { |
| do { |
| uint8x8_t s0, s1, s2, s3; |
| load_u8_8x4(src, src_stride, &s0, &s1, &s2, &s3); |
| |
| uint16x4_t d0 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s0, shift_by_bits)); |
| uint16x4_t d1 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s1, shift_by_bits)); |
| uint16x4_t d2 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s2, shift_by_bits)); |
| uint16x4_t d3 = |
| vget_low_u16(vmlal_u8(round_offset_vec, s3, shift_by_bits)); |
| |
| store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); |
| |
| src += 4 * src_stride; |
| dst += 4 * dst_stride; |
| height -= 4; |
| } while (height != 0); |
| } else { |
| do { |
| const uint8_t *s = src; |
| CONV_BUF_TYPE *d = dst; |
| int width = w; |
| |
| do { |
| uint8x8_t s0, s1, s2, s3; |
| load_u8_8x4(s, src_stride, &s0, &s1, &s2, &s3); |
| |
| uint16x8_t d0 = vmlal_u8(round_offset_vec, s0, shift_by_bits); |
| uint16x8_t d1 = vmlal_u8(round_offset_vec, s1, shift_by_bits); |
| uint16x8_t d2 = vmlal_u8(round_offset_vec, s2, shift_by_bits); |
| uint16x8_t d3 = vmlal_u8(round_offset_vec, s3, shift_by_bits); |
| |
| store_u16_8x4(d, dst_stride, d0, d1, d2, d3); |
| |
| s += 8; |
| d += 8; |
| width -= 8; |
| } while (width != 0); |
| src += 4 * src_stride; |
| dst += 4 * dst_stride; |
| height -= 4; |
| } while (height != 0); |
| } |
| } |
| |
| void av1_dist_wtd_convolve_2d_copy_neon(const uint8_t *src, int src_stride, |
| uint8_t *dst8, int dst8_stride, int w, |
| int h, ConvolveParams *conv_params) { |
| if (conv_params->do_average) { |
| if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { |
| dist_wtd_convolve_2d_copy_dist_wtd_avg_neon( |
| src, src_stride, dst8, dst8_stride, w, h, conv_params); |
| } else { |
| dist_wtd_convolve_2d_copy_avg_neon(src, src_stride, dst8, dst8_stride, w, |
| h, conv_params); |
| } |
| } else { |
| dist_wtd_convolve_2d_copy_neon(src, src_stride, w, h, conv_params); |
| } |
| } |
| |
| static INLINE uint16x4_t convolve4_4_x(const int16x4_t s0, const int16x4_t s1, |
| const int16x4_t s2, const int16x4_t s3, |
| const int16x4_t x_filter, |
| const int16x4_t round_offset) { |
| int16x4_t sum = vmul_lane_s16(s0, x_filter, 0); |
| sum = vmla_lane_s16(sum, s1, x_filter, 1); |
| sum = vmla_lane_s16(sum, s2, x_filter, 2); |
| sum = vmla_lane_s16(sum, s3, x_filter, 3); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| int16x4_t res = vrsra_n_s16(round_offset, sum, ROUND0_BITS - 1); |
| return vreinterpret_u16_s16(res); |
| } |
| |
| static INLINE uint16x8_t convolve8_8_x(const int16x8_t s0, const int16x8_t s1, |
| const int16x8_t s2, const int16x8_t s3, |
| const int16x8_t s4, const int16x8_t s5, |
| const int16x8_t s6, const int16x8_t s7, |
| const int16x8_t x_filter, |
| const int16x8_t round_offset) { |
| const int16x4_t x_filter_0_3 = vget_low_s16(x_filter); |
| const int16x4_t x_filter_4_7 = vget_high_s16(x_filter); |
| |
| int16x8_t sum = vmulq_lane_s16(s0, x_filter_0_3, 0); |
| sum = vmlaq_lane_s16(sum, s1, x_filter_0_3, 1); |
| sum = vmlaq_lane_s16(sum, s2, x_filter_0_3, 2); |
| sum = vmlaq_lane_s16(sum, s3, x_filter_0_3, 3); |
| sum = vmlaq_lane_s16(sum, s4, x_filter_4_7, 0); |
| sum = vmlaq_lane_s16(sum, s5, x_filter_4_7, 1); |
| sum = vmlaq_lane_s16(sum, s6, x_filter_4_7, 2); |
| sum = vmlaq_lane_s16(sum, s7, x_filter_4_7, 3); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| int16x8_t res = vrsraq_n_s16(round_offset, sum, ROUND0_BITS - 1); |
| return vreinterpretq_u16_s16(res); |
| } |
| |
| static INLINE void dist_wtd_convolve_x_dist_wtd_avg_neon( |
| const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, |
| int h, const InterpFilterParams *filter_params_x, const int subpel_x_qn, |
| ConvolveParams *conv_params) { |
| assert(w % 4 == 0); |
| assert(h % 4 == 0); |
| |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| const uint16_t fwd_offset = conv_params->fwd_offset; |
| const uint16_t bck_offset = conv_params->bck_offset; |
| |
| // Horizontal filter. |
| const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( |
| filter_params_x, subpel_x_qn & SUBPEL_MASK); |
| |
| const int horiz_offset = filter_params_x->taps / 2 - 1; |
| const uint8_t *src_ptr = src - horiz_offset; |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| uint8_t *dst8_ptr = dst8; |
| int dst_stride = conv_params->dst_stride; |
| int height = h; |
| |
| if (w == 4) { |
| // 4-tap filters are used for blocks having width <= 4. |
| // Filter values are even, so halve to reduce intermediate precision reqs. |
| const int16x4_t x_filter = vshr_n_s16(vld1_s16(x_filter_ptr + 2), 1); |
| |
| src_ptr += 2; |
| |
| do { |
| uint8x8_t t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 |
| int16x4_t s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| int16x4_t s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| |
| __builtin_prefetch(dst_ptr); |
| __builtin_prefetch(dst8_ptr); |
| |
| int16x4_t s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 |
| int16x4_t s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 |
| int16x4_t s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 |
| |
| uint16x4_t d0 = convolve4_4_x(s0, s1, s2, s3, x_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| uint16x4_t dd0 = vld1_u16(dst_ptr); |
| |
| uint8x8_t d01; |
| compute_dist_wtd_avg_4x1(dd0, d0, fwd_offset, bck_offset, |
| vget_low_s16(round_offset_vec), &d01); |
| |
| store_u8_4x1(dst8_ptr, d01); |
| |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| dst8_ptr += dst8_stride; |
| } while (--height != 0); |
| } else { |
| // Filter values are even, so halve to reduce intermediate precision reqs. |
| const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); |
| |
| #if AOM_ARCH_AARCH64 |
| while (height >= 8) { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int width = w; |
| |
| uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| __builtin_prefetch(d + 0 * dst_stride); |
| __builtin_prefetch(d + 1 * dst_stride); |
| __builtin_prefetch(d + 2 * dst_stride); |
| __builtin_prefetch(d + 3 * dst_stride); |
| __builtin_prefetch(d + 4 * dst_stride); |
| __builtin_prefetch(d + 5 * dst_stride); |
| __builtin_prefetch(d + 6 * dst_stride); |
| __builtin_prefetch(d + 7 * dst_stride); |
| |
| s += 7; |
| |
| do { |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| round_offset_vec); |
| uint16x8_t d1 = convolve8_8_x(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, |
| round_offset_vec); |
| uint16x8_t d2 = convolve8_8_x(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, |
| round_offset_vec); |
| uint16x8_t d3 = convolve8_8_x(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, |
| round_offset_vec); |
| uint16x8_t d4 = convolve8_8_x(s4, s5, s6, s7, s8, s9, s10, s11, |
| x_filter, round_offset_vec); |
| uint16x8_t d5 = convolve8_8_x(s5, s6, s7, s8, s9, s10, s11, s12, |
| x_filter, round_offset_vec); |
| uint16x8_t d6 = convolve8_8_x(s6, s7, s8, s9, s10, s11, s12, s13, |
| x_filter, round_offset_vec); |
| uint16x8_t d7 = convolve8_8_x(s7, s8, s9, s10, s11, s12, s13, s14, |
| x_filter, round_offset_vec); |
| |
| transpose_elems_inplace_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); |
| |
| uint16x8_t dd0, dd1, dd2, dd3; |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| compute_dist_wtd_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, &d0_u8, &d1_u8, |
| &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| |
| uint16x8_t dd4, dd5, dd6, dd7; |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; |
| compute_dist_wtd_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, |
| bck_offset, round_offset_vec, &d4_u8, &d5_u8, |
| &d6_u8, &d7_u8); |
| |
| store_u8_8x4(d_u8 + 4 * dst8_stride, dst8_stride, d4_u8, d5_u8, d6_u8, |
| d7_u8); |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s5 = s13; |
| s6 = s14; |
| s += 8; |
| d += 8; |
| d_u8 += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += 8 * src_stride; |
| dst_ptr += 8 * dst_stride; |
| dst8_ptr += 8 * dst8_stride; |
| height -= 8; |
| } |
| #endif // AOM_ARCH_AARCH64 |
| |
| while (height > 0) { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int width = w; |
| |
| uint8x8_t t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7 |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| |
| __builtin_prefetch(d); |
| |
| s += 8; |
| |
| do { |
| t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| |
| int16x8_t s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 |
| int16x8_t s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 |
| int16x8_t s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 |
| int16x8_t s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 |
| int16x8_t s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 |
| int16x8_t s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 |
| int16x8_t s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 |
| |
| uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| round_offset_vec); |
| |
| uint16x8_t dd0 = vld1q_u16(d); |
| |
| uint8x8_t d0_u8; |
| compute_dist_wtd_avg_8x1(dd0, d0, fwd_offset, bck_offset, |
| round_offset_vec, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| |
| s0 = s8; |
| s += 8; |
| d += 8; |
| d_u8 += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| dst8_ptr += dst8_stride; |
| height--; |
| } |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_x_avg_neon( |
| const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, |
| int h, const InterpFilterParams *filter_params_x, const int subpel_x_qn, |
| ConvolveParams *conv_params) { |
| assert(w % 4 == 0); |
| assert(h % 4 == 0); |
| |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| // Horizontal filter. |
| const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( |
| filter_params_x, subpel_x_qn & SUBPEL_MASK); |
| |
| const int horiz_offset = filter_params_x->taps / 2 - 1; |
| const uint8_t *src_ptr = src - horiz_offset; |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| uint8_t *dst8_ptr = dst8; |
| int dst_stride = conv_params->dst_stride; |
| int height = h; |
| |
| if (w == 4) { |
| // 4-tap filters are used for blocks having width <= 4. |
| // Filter values are even, so halve to reduce intermediate precision reqs. |
| const int16x4_t x_filter = vshr_n_s16(vld1_s16(x_filter_ptr + 2), 1); |
| |
| src_ptr += 2; |
| |
| do { |
| uint8x8_t t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 |
| int16x4_t s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| int16x4_t s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| |
| __builtin_prefetch(dst_ptr); |
| __builtin_prefetch(dst8_ptr); |
| |
| int16x4_t s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 |
| int16x4_t s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 |
| int16x4_t s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 |
| |
| uint16x4_t d0 = convolve4_4_x(s0, s1, s2, s3, x_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| uint16x4_t dd0 = vld1_u16(dst_ptr); |
| |
| uint8x8_t d01; |
| compute_basic_avg_4x1(dd0, d0, vget_low_s16(round_offset_vec), &d01); |
| |
| store_u8_4x1(dst8_ptr, d01); |
| |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| dst8_ptr += dst8_stride; |
| } while (--height != 0); |
| } else { |
| // Filter values are even, so halve to reduce intermediate precision reqs. |
| const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); |
| |
| #if AOM_ARCH_AARCH64 |
| while (height >= 8) { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int width = w; |
| |
| uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| __builtin_prefetch(d + 0 * dst_stride); |
| __builtin_prefetch(d + 1 * dst_stride); |
| __builtin_prefetch(d + 2 * dst_stride); |
| __builtin_prefetch(d + 3 * dst_stride); |
| __builtin_prefetch(d + 4 * dst_stride); |
| __builtin_prefetch(d + 5 * dst_stride); |
| __builtin_prefetch(d + 6 * dst_stride); |
| __builtin_prefetch(d + 7 * dst_stride); |
| |
| s += 7; |
| |
| do { |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| round_offset_vec); |
| uint16x8_t d1 = convolve8_8_x(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, |
| round_offset_vec); |
| uint16x8_t d2 = convolve8_8_x(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, |
| round_offset_vec); |
| uint16x8_t d3 = convolve8_8_x(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, |
| round_offset_vec); |
| uint16x8_t d4 = convolve8_8_x(s4, s5, s6, s7, s8, s9, s10, s11, |
| x_filter, round_offset_vec); |
| uint16x8_t d5 = convolve8_8_x(s5, s6, s7, s8, s9, s10, s11, s12, |
| x_filter, round_offset_vec); |
| uint16x8_t d6 = convolve8_8_x(s6, s7, s8, s9, s10, s11, s12, s13, |
| x_filter, round_offset_vec); |
| uint16x8_t d7 = convolve8_8_x(s7, s8, s9, s10, s11, s12, s13, s14, |
| x_filter, round_offset_vec); |
| |
| transpose_elems_inplace_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); |
| |
| uint16x8_t dd0, dd1, dd2, dd3; |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| compute_basic_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, |
| round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| |
| uint16x8_t dd4, dd5, dd6, dd7; |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; |
| compute_basic_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, |
| round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); |
| |
| store_u8_8x4(d_u8 + 4 * dst8_stride, dst8_stride, d4_u8, d5_u8, d6_u8, |
| d7_u8); |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s5 = s13; |
| s6 = s14; |
| s += 8; |
| d += 8; |
| d_u8 += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += 8 * src_stride; |
| dst_ptr += 8 * dst_stride; |
| dst8_ptr += 8 * dst8_stride; |
| height -= 8; |
| } |
| #endif // AOM_ARCH_AARCH64 |
| |
| while (height > 0) { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int width = w; |
| |
| uint8x8_t t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7 |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| |
| __builtin_prefetch(d); |
| |
| s += 8; |
| |
| do { |
| t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| |
| int16x8_t s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 |
| int16x8_t s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 |
| int16x8_t s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 |
| int16x8_t s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 |
| int16x8_t s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 |
| int16x8_t s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 |
| int16x8_t s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 |
| |
| uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| round_offset_vec); |
| |
| uint16x8_t dd0 = vld1q_u16(d); |
| |
| uint8x8_t d0_u8; |
| compute_basic_avg_8x1(dd0, d0, round_offset_vec, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| |
| s0 = s8; |
| s += 8; |
| d += 8; |
| d_u8 += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| dst8_ptr += dst8_stride; |
| height--; |
| } |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_x_neon( |
| const uint8_t *src, int src_stride, int w, int h, |
| const InterpFilterParams *filter_params_x, const int subpel_x_qn, |
| ConvolveParams *conv_params) { |
| assert(w % 4 == 0); |
| assert(h % 4 == 0); |
| |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| // Horizontal filter. |
| const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( |
| filter_params_x, subpel_x_qn & SUBPEL_MASK); |
| |
| const int horiz_offset = filter_params_x->taps / 2 - 1; |
| const uint8_t *src_ptr = src - horiz_offset; |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| int dst_stride = conv_params->dst_stride; |
| int height = h; |
| |
| if (w == 4) { |
| // 4-tap filters are used for blocks having width <= 4. |
| // Filter values are even, so halve to reduce intermediate precision reqs. |
| const int16x4_t x_filter = vshr_n_s16(vld1_s16(x_filter_ptr + 2), 1); |
| |
| src_ptr += 2; |
| |
| do { |
| uint8x8_t t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 |
| int16x4_t s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| int16x4_t s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| |
| __builtin_prefetch(dst_ptr); |
| |
| int16x4_t s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 |
| int16x4_t s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 |
| int16x4_t s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 |
| |
| uint16x4_t d0 = convolve4_4_x(s0, s1, s2, s3, x_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| vst1_u16(dst_ptr, d0); |
| |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| } while (--height != 0); |
| } else { |
| // Filter values are even, so halve to reduce intermediate precision reqs. |
| const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); |
| |
| #if AOM_ARCH_AARCH64 |
| while (height >= 8) { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| int width = w; |
| |
| uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| __builtin_prefetch(d + 0 * dst_stride); |
| __builtin_prefetch(d + 1 * dst_stride); |
| __builtin_prefetch(d + 2 * dst_stride); |
| __builtin_prefetch(d + 3 * dst_stride); |
| __builtin_prefetch(d + 4 * dst_stride); |
| __builtin_prefetch(d + 5 * dst_stride); |
| __builtin_prefetch(d + 6 * dst_stride); |
| __builtin_prefetch(d + 7 * dst_stride); |
| |
| s += 7; |
| |
| do { |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| round_offset_vec); |
| uint16x8_t d1 = convolve8_8_x(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, |
| round_offset_vec); |
| uint16x8_t d2 = convolve8_8_x(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, |
| round_offset_vec); |
| uint16x8_t d3 = convolve8_8_x(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, |
| round_offset_vec); |
| uint16x8_t d4 = convolve8_8_x(s4, s5, s6, s7, s8, s9, s10, s11, |
| x_filter, round_offset_vec); |
| uint16x8_t d5 = convolve8_8_x(s5, s6, s7, s8, s9, s10, s11, s12, |
| x_filter, round_offset_vec); |
| uint16x8_t d6 = convolve8_8_x(s6, s7, s8, s9, s10, s11, s12, s13, |
| x_filter, round_offset_vec); |
| uint16x8_t d7 = convolve8_8_x(s7, s8, s9, s10, s11, s12, s13, s14, |
| x_filter, round_offset_vec); |
| |
| transpose_elems_inplace_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); |
| |
| store_u16_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7); |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s5 = s13; |
| s6 = s14; |
| s += 8; |
| d += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += 8 * src_stride; |
| dst_ptr += 8 * dst_stride; |
| height -= 8; |
| } |
| #endif // AOM_ARCH_AARCH64 |
| |
| while (height > 0) { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| int width = w; |
| |
| uint8x8_t t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7 |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| |
| __builtin_prefetch(d); |
| |
| s = src_ptr + 8; |
| |
| do { |
| t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| |
| int16x8_t s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 |
| int16x8_t s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 |
| int16x8_t s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 |
| int16x8_t s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 |
| int16x8_t s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 |
| int16x8_t s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 |
| int16x8_t s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 |
| |
| uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| round_offset_vec); |
| |
| vst1q_u16(d, d0); |
| |
| s0 = s8; |
| s += 8; |
| d += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| height--; |
| } |
| } |
| } |
| |
| void av1_dist_wtd_convolve_x_neon(const uint8_t *src, int src_stride, |
| uint8_t *dst8, int dst8_stride, int w, int h, |
| const InterpFilterParams *filter_params_x, |
| const int subpel_x_qn, |
| ConvolveParams *conv_params) { |
| if (conv_params->do_average) { |
| if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { |
| dist_wtd_convolve_x_dist_wtd_avg_neon(src, src_stride, dst8, dst8_stride, |
| w, h, filter_params_x, subpel_x_qn, |
| conv_params); |
| } else { |
| dist_wtd_convolve_x_avg_neon(src, src_stride, dst8, dst8_stride, w, h, |
| filter_params_x, subpel_x_qn, conv_params); |
| } |
| } else { |
| dist_wtd_convolve_x_neon(src, src_stride, w, h, filter_params_x, |
| subpel_x_qn, conv_params); |
| } |
| } |
| |
| static INLINE uint16x4_t convolve6_4_y(const int16x4_t s0, const int16x4_t s1, |
| const int16x4_t s2, const int16x4_t s3, |
| const int16x4_t s4, const int16x4_t s5, |
| const int16x8_t y_filter, |
| const int16x4_t round_offset) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); |
| |
| // Filter values at indices 0 and 7 are 0. |
| int16x4_t sum = vmul_lane_s16(s0, y_filter_0_3, 1); |
| sum = vmla_lane_s16(sum, s1, y_filter_0_3, 2); |
| sum = vmla_lane_s16(sum, s2, y_filter_0_3, 3); |
| sum = vmla_lane_s16(sum, s3, y_filter_4_7, 0); |
| sum = vmla_lane_s16(sum, s4, y_filter_4_7, 1); |
| sum = vmla_lane_s16(sum, s5, y_filter_4_7, 2); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| int16x4_t res = vrsra_n_s16(round_offset, sum, ROUND0_BITS - 1); |
| return vreinterpret_u16_s16(res); |
| } |
| |
| static INLINE uint16x8_t convolve6_8_y(const int16x8_t s0, const int16x8_t s1, |
| const int16x8_t s2, const int16x8_t s3, |
| const int16x8_t s4, const int16x8_t s5, |
| const int16x8_t y_filter, |
| const int16x8_t round_offset) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); |
| |
| // Filter values at indices 0 and 7 are 0. |
| int16x8_t sum = vmulq_lane_s16(s0, y_filter_0_3, 1); |
| sum = vmlaq_lane_s16(sum, s1, y_filter_0_3, 2); |
| sum = vmlaq_lane_s16(sum, s2, y_filter_0_3, 3); |
| sum = vmlaq_lane_s16(sum, s3, y_filter_4_7, 0); |
| sum = vmlaq_lane_s16(sum, s4, y_filter_4_7, 1); |
| sum = vmlaq_lane_s16(sum, s5, y_filter_4_7, 2); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| int16x8_t res = vrsraq_n_s16(round_offset, sum, ROUND0_BITS - 1); |
| return vreinterpretq_u16_s16(res); |
| } |
| |
| static INLINE void dist_wtd_convolve_y_6tap_dist_wtd_avg_neon( |
| const uint8_t *src_ptr, int src_stride, uint8_t *dst8_ptr, |
| const int dst8_stride, int w, int h, const int16x8_t y_filter, |
| ConvolveParams *conv_params) { |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| const uint16_t fwd_offset = conv_params->fwd_offset; |
| const uint16_t bck_offset = conv_params->bck_offset; |
| |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int width = w; |
| |
| if (w == 4 || h == 4) { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); |
| |
| int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); |
| |
| s += 5 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| |
| uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d1 = convolve6_4_y(s1, s2, s3, s4, s5, s6, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d2 = convolve6_4_y(s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d3 = convolve6_4_y(s3, s4, s5, s6, s7, s8, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| uint16x4_t dd0, dd1, dd2, dd3; |
| load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d01, d23; |
| compute_dist_wtd_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, &d01, &d23); |
| |
| store_u8x4_strided_x2(d_u8 + 0 * dst8_stride, dst8_stride, d01); |
| store_u8x4_strided_x2(d_u8 + 2 * dst8_stride, dst8_stride, d23); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s += 4 * src_stride; |
| d += 4 * dst_stride; |
| d_u8 += 4 * dst8_stride; |
| height -= 4; |
| #else // !AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s); |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| |
| uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| uint16x4_t dd0 = vld1_u16(d); |
| |
| uint8x8_t d01; |
| compute_dist_wtd_avg_4x1(dd0, d0, fwd_offset, bck_offset, |
| vget_low_s16(round_offset_vec), &d01); |
| |
| store_u8_4x1(d_u8, d01); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s += src_stride; |
| d += dst_stride; |
| d_u8 += dst8_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 4; |
| dst_ptr += 4; |
| dst8_ptr += 4; |
| width -= 4; |
| } while (width != 0); |
| } else { |
| do { |
| const uint8_t *s = src_ptr + (5 * src_stride); |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| uint8x8_t t0, t1, t2, t3, t4; |
| load_u8_8x5(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| uint8x8_t t5, t6, t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| uint16x8_t d0 = |
| convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); |
| uint16x8_t d1 = |
| convolve6_8_y(s1, s2, s3, s4, s5, s6, y_filter, round_offset_vec); |
| uint16x8_t d2 = |
| convolve6_8_y(s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); |
| uint16x8_t d3 = |
| convolve6_8_y(s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); |
| uint16x8_t d4 = |
| convolve6_8_y(s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); |
| uint16x8_t d5 = |
| convolve6_8_y(s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); |
| uint16x8_t d6 = |
| convolve6_8_y(s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); |
| uint16x8_t d7 = convolve6_8_y(s7, s8, s9, s10, s11, s12, y_filter, |
| round_offset_vec); |
| |
| uint16x8_t dd0, dd1, dd2, dd3; |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| compute_dist_wtd_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, &d0_u8, &d1_u8, |
| &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| d_u8 += 4 * dst8_stride; |
| |
| uint16x8_t dd4, dd5, dd6, dd7; |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; |
| compute_dist_wtd_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, |
| bck_offset, round_offset_vec, &d4_u8, &d5_u8, |
| &d6_u8, &d7_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); |
| d_u8 += 4 * dst8_stride; |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s += 8 * src_stride; |
| d += 8 * dst_stride; |
| height -= 8; |
| #else // !AOM_ARCH_AARCH64 |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); |
| |
| uint16x8_t d0 = |
| convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| |
| uint16x8_t dd0 = vld1q_u16(d); |
| |
| uint8x8_t d0_u8; |
| compute_dist_wtd_avg_8x1(dd0, d0, fwd_offset, bck_offset, |
| round_offset_vec, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| d_u8 += dst8_stride; |
| |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| dst8_ptr += 8; |
| width -= 8; |
| } while (width != 0); |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_y_6tap_avg_neon( |
| const uint8_t *src_ptr, int src_stride, uint8_t *dst8_ptr, |
| const int dst8_stride, int w, int h, const int16x8_t y_filter, |
| ConvolveParams *conv_params) { |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int width = w; |
| |
| if (w == 4 || h == 4) { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); |
| |
| int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); |
| |
| s += 5 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| |
| uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d1 = convolve6_4_y(s1, s2, s3, s4, s5, s6, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d2 = convolve6_4_y(s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d3 = convolve6_4_y(s3, s4, s5, s6, s7, s8, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| uint16x4_t dd0, dd1, dd2, dd3; |
| load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d01, d23; |
| compute_basic_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, |
| round_offset_vec, &d01, &d23); |
| |
| store_u8x4_strided_x2(d_u8 + 0 * dst8_stride, dst8_stride, d01); |
| store_u8x4_strided_x2(d_u8 + 2 * dst8_stride, dst8_stride, d23); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s += 4 * src_stride; |
| d += 4 * dst_stride; |
| d_u8 += 4 * dst8_stride; |
| height -= 4; |
| #else // !AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s); |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| |
| uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| uint16x4_t dd0 = vld1_u16(d); |
| |
| uint8x8_t d01; |
| compute_basic_avg_4x1(dd0, d0, vget_low_s16(round_offset_vec), &d01); |
| |
| store_u8_4x1(d_u8, d01); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s += src_stride; |
| d += dst_stride; |
| d_u8 += dst8_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 4; |
| dst_ptr += 4; |
| dst8_ptr += 4; |
| width -= 4; |
| } while (width != 0); |
| } else { |
| do { |
| const uint8_t *s = src_ptr + (5 * src_stride); |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| uint8x8_t t0, t1, t2, t3, t4; |
| load_u8_8x5(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| uint8x8_t t5, t6, t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| uint16x8_t d0 = |
| convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); |
| uint16x8_t d1 = |
| convolve6_8_y(s1, s2, s3, s4, s5, s6, y_filter, round_offset_vec); |
| uint16x8_t d2 = |
| convolve6_8_y(s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); |
| uint16x8_t d3 = |
| convolve6_8_y(s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); |
| uint16x8_t d4 = |
| convolve6_8_y(s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); |
| uint16x8_t d5 = |
| convolve6_8_y(s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); |
| uint16x8_t d6 = |
| convolve6_8_y(s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); |
| uint16x8_t d7 = convolve6_8_y(s7, s8, s9, s10, s11, s12, y_filter, |
| round_offset_vec); |
| |
| uint16x8_t dd0, dd1, dd2, dd3; |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| compute_basic_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, |
| round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| d_u8 += 4 * dst8_stride; |
| |
| uint16x8_t dd4, dd5, dd6, dd7; |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; |
| compute_basic_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, |
| round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); |
| d_u8 += 4 * dst8_stride; |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s += 8 * src_stride; |
| d += 8 * dst_stride; |
| height -= 8; |
| #else // !AOM_ARCH_AARCH64 |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); |
| |
| uint16x8_t d0 = |
| convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| |
| uint16x8_t dd0 = vld1q_u16(d); |
| |
| uint8x8_t d0_u8; |
| compute_basic_avg_8x1(dd0, d0, round_offset_vec, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| d_u8 += dst8_stride; |
| |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| dst8_ptr += 8; |
| width -= 8; |
| } while (width != 0); |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_y_6tap_neon(const uint8_t *src_ptr, |
| int src_stride, int w, int h, |
| const int16x8_t y_filter, |
| ConvolveParams *conv_params) { |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int width = w; |
| |
| if (w == 4 || h == 4) { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| int height = h; |
| |
| uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); |
| |
| int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); |
| |
| s += 5 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| |
| uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d1 = convolve6_4_y(s1, s2, s3, s4, s5, s6, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d2 = convolve6_4_y(s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d3 = convolve6_4_y(s3, s4, s5, s6, s7, s8, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| store_u16_4x4(d, dst_stride, d0, d1, d2, d3); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s += 4 * src_stride; |
| d += 4 * dst_stride; |
| height -= 4; |
| #else // !AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s); |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| |
| uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| vst1_u16(d, d0); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 4; |
| dst_ptr += 4; |
| width -= 4; |
| } while (width != 0); |
| } else { |
| do { |
| const uint8_t *s = src_ptr + (5 * src_stride); |
| CONV_BUF_TYPE *d = dst_ptr; |
| int height = h; |
| |
| uint8x8_t t0, t1, t2, t3, t4; |
| load_u8_8x5(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| uint8x8_t t5, t6, t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| uint16x8_t d0 = |
| convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); |
| uint16x8_t d1 = |
| convolve6_8_y(s1, s2, s3, s4, s5, s6, y_filter, round_offset_vec); |
| uint16x8_t d2 = |
| convolve6_8_y(s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); |
| uint16x8_t d3 = |
| convolve6_8_y(s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); |
| uint16x8_t d4 = |
| convolve6_8_y(s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); |
| uint16x8_t d5 = |
| convolve6_8_y(s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); |
| uint16x8_t d6 = |
| convolve6_8_y(s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); |
| uint16x8_t d7 = convolve6_8_y(s7, s8, s9, s10, s11, s12, y_filter, |
| round_offset_vec); |
| |
| store_u16_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7); |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s += 8 * src_stride; |
| d += 8 * dst_stride; |
| height -= 8; |
| #else // !AOM_ARCH_AARCH64 |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); |
| |
| uint16x8_t d0 = |
| convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| |
| vst1q_u16(d, d0); |
| |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| width -= 8; |
| } while (width != 0); |
| } |
| } |
| |
| static INLINE uint16x4_t convolve8_4_y(const int16x4_t s0, const int16x4_t s1, |
| const int16x4_t s2, const int16x4_t s3, |
| const int16x4_t s4, const int16x4_t s5, |
| const int16x4_t s6, const int16x4_t s7, |
| const int16x8_t y_filter, |
| const int16x4_t round_offset) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); |
| |
| int16x4_t sum = vmul_lane_s16(s0, y_filter_0_3, 0); |
| sum = vmla_lane_s16(sum, s1, y_filter_0_3, 1); |
| sum = vmla_lane_s16(sum, s2, y_filter_0_3, 2); |
| sum = vmla_lane_s16(sum, s3, y_filter_0_3, 3); |
| sum = vmla_lane_s16(sum, s4, y_filter_4_7, 0); |
| sum = vmla_lane_s16(sum, s5, y_filter_4_7, 1); |
| sum = vmla_lane_s16(sum, s6, y_filter_4_7, 2); |
| sum = vmla_lane_s16(sum, s7, y_filter_4_7, 3); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| int16x4_t res = vrsra_n_s16(round_offset, sum, ROUND0_BITS - 1); |
| return vreinterpret_u16_s16(res); |
| } |
| |
| static INLINE uint16x8_t convolve8_8_y(const int16x8_t s0, const int16x8_t s1, |
| const int16x8_t s2, const int16x8_t s3, |
| const int16x8_t s4, const int16x8_t s5, |
| const int16x8_t s6, const int16x8_t s7, |
| const int16x8_t y_filter, |
| const int16x8_t round_offset) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); |
| |
| int16x8_t sum = vmulq_lane_s16(s0, y_filter_0_3, 0); |
| sum = vmlaq_lane_s16(sum, s1, y_filter_0_3, 1); |
| sum = vmlaq_lane_s16(sum, s2, y_filter_0_3, 2); |
| sum = vmlaq_lane_s16(sum, s3, y_filter_0_3, 3); |
| sum = vmlaq_lane_s16(sum, s4, y_filter_4_7, 0); |
| sum = vmlaq_lane_s16(sum, s5, y_filter_4_7, 1); |
| sum = vmlaq_lane_s16(sum, s6, y_filter_4_7, 2); |
| sum = vmlaq_lane_s16(sum, s7, y_filter_4_7, 3); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| int16x8_t res = vrsraq_n_s16(round_offset, sum, ROUND0_BITS - 1); |
| return vreinterpretq_u16_s16(res); |
| } |
| |
| static INLINE void dist_wtd_convolve_y_8tap_dist_wtd_avg_neon( |
| const uint8_t *src_ptr, int src_stride, uint8_t *dst8_ptr, |
| const int dst8_stride, int w, int h, const int16x8_t y_filter, |
| ConvolveParams *conv_params) { |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| const uint16_t fwd_offset = conv_params->fwd_offset; |
| const uint16_t bck_offset = conv_params->bck_offset; |
| |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int width = w; |
| |
| if (w == 4 || h == 4) { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| __builtin_prefetch(s + 0 * src_stride); |
| __builtin_prefetch(s + 1 * src_stride); |
| __builtin_prefetch(s + 2 * src_stride); |
| __builtin_prefetch(s + 3 * src_stride); |
| |
| uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); |
| uint8x8_t t5 = load_unaligned_u8_4x1(s + 5 * src_stride); |
| uint8x8_t t6 = load_unaligned_u8_4x1(s + 6 * src_stride); |
| |
| int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t5))); |
| int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t6))); |
| |
| __builtin_prefetch(d + 0 * dst_stride); |
| __builtin_prefetch(d + 1 * dst_stride); |
| __builtin_prefetch(d + 2 * dst_stride); |
| __builtin_prefetch(d + 3 * dst_stride); |
| |
| s += 7 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s9 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s10 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| |
| uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d1 = convolve8_4_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d2 = convolve8_4_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d3 = convolve8_4_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| __builtin_prefetch(d + 0 * dst_stride); |
| __builtin_prefetch(d + 1 * dst_stride); |
| __builtin_prefetch(d + 2 * dst_stride); |
| __builtin_prefetch(d + 3 * dst_stride); |
| |
| __builtin_prefetch(d_u8 + 0 * dst8_stride); |
| __builtin_prefetch(d_u8 + 1 * dst8_stride); |
| __builtin_prefetch(d_u8 + 2 * dst8_stride); |
| __builtin_prefetch(d_u8 + 3 * dst8_stride); |
| |
| uint16x4_t dd0, dd1, dd2, dd3; |
| load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d01, d23; |
| compute_dist_wtd_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, &d01, &d23); |
| |
| store_u8x4_strided_x2(d_u8 + 0 * dst8_stride, dst8_stride, d01); |
| store_u8x4_strided_x2(d_u8 + 2 * dst8_stride, dst8_stride, d23); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s5 = s9; |
| s6 = s10; |
| s += 4 * src_stride; |
| d += 4 * dst_stride; |
| d_u8 += 4 * dst8_stride; |
| height -= 4; |
| #else // !AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s); |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| |
| uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| __builtin_prefetch(d); |
| |
| uint16x4_t dd0 = vld1_u16(d); |
| |
| uint8x8_t d01; |
| compute_dist_wtd_avg_4x1(dd0, d0, fwd_offset, bck_offset, |
| vget_low_s16(round_offset_vec), &d01); |
| |
| store_u8_4x1(d_u8, d01); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s5 = s6; |
| s6 = s7; |
| s += src_stride; |
| d += dst_stride; |
| d_u8 += dst8_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 4; |
| dst_ptr += 4; |
| dst8_ptr += 4; |
| width -= 4; |
| } while (width != 0); |
| } else { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| __builtin_prefetch(s + 0 * src_stride); |
| __builtin_prefetch(s + 1 * src_stride); |
| __builtin_prefetch(s + 2 * src_stride); |
| __builtin_prefetch(s + 3 * src_stride); |
| __builtin_prefetch(s + 4 * src_stride); |
| __builtin_prefetch(s + 5 * src_stride); |
| __builtin_prefetch(s + 6 * src_stride); |
| __builtin_prefetch(s + 7 * src_stride); |
| |
| uint8x8_t t0, t1, t2, t3, t4, t5, t6; |
| load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| s += 7 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| uint8x8_t t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| __builtin_prefetch(dst_ptr + 0 * dst_stride); |
| __builtin_prefetch(dst_ptr + 1 * dst_stride); |
| __builtin_prefetch(dst_ptr + 2 * dst_stride); |
| __builtin_prefetch(dst_ptr + 3 * dst_stride); |
| |
| uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| round_offset_vec); |
| uint16x8_t d1 = convolve8_8_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| round_offset_vec); |
| uint16x8_t d2 = convolve8_8_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| round_offset_vec); |
| uint16x8_t d3 = convolve8_8_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| round_offset_vec); |
| uint16x8_t d4 = convolve8_8_y(s4, s5, s6, s7, s8, s9, s10, s11, |
| y_filter, round_offset_vec); |
| uint16x8_t d5 = convolve8_8_y(s5, s6, s7, s8, s9, s10, s11, s12, |
| y_filter, round_offset_vec); |
| uint16x8_t d6 = convolve8_8_y(s6, s7, s8, s9, s10, s11, s12, s13, |
| y_filter, round_offset_vec); |
| uint16x8_t d7 = convolve8_8_y(s7, s8, s9, s10, s11, s12, s13, s14, |
| y_filter, round_offset_vec); |
| |
| __builtin_prefetch(d + 0 * dst8_stride); |
| __builtin_prefetch(d + 1 * dst8_stride); |
| __builtin_prefetch(d + 2 * dst8_stride); |
| __builtin_prefetch(d + 3 * dst8_stride); |
| |
| uint16x8_t dd0, dd1, dd2, dd3; |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| compute_dist_wtd_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, &d0_u8, &d1_u8, |
| &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| d_u8 += 4 * dst8_stride; |
| |
| uint16x8_t dd4, dd5, dd6, dd7; |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; |
| compute_dist_wtd_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, |
| bck_offset, round_offset_vec, &d4_u8, &d5_u8, |
| &d6_u8, &d7_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); |
| d_u8 += 4 * dst8_stride; |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s5 = s13; |
| s6 = s14; |
| s += 8 * src_stride; |
| d += 8 * dst_stride; |
| height -= 8; |
| #else // !AOM_ARCH_AARCH64 |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); |
| |
| __builtin_prefetch(dst_ptr); |
| |
| uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| round_offset_vec); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s5 = s6; |
| s6 = s7; |
| |
| __builtin_prefetch(d); |
| |
| uint16x8_t dd0 = vld1q_u16(d); |
| |
| uint8x8_t d0_u8; |
| compute_dist_wtd_avg_8x1(dd0, d0, fwd_offset, bck_offset, |
| round_offset_vec, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| d_u8 += dst8_stride; |
| |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| dst8_ptr += 8; |
| width -= 8; |
| } while (width != 0); |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_y_8tap_avg_neon( |
| const uint8_t *src_ptr, int src_stride, uint8_t *dst8_ptr, |
| const int dst8_stride, int w, int h, const int16x8_t y_filter, |
| ConvolveParams *conv_params) { |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int width = w; |
| |
| if (w == 4 || h == 4) { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| __builtin_prefetch(s + 0 * src_stride); |
| __builtin_prefetch(s + 1 * src_stride); |
| __builtin_prefetch(s + 2 * src_stride); |
| __builtin_prefetch(s + 3 * src_stride); |
| |
| uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); |
| uint8x8_t t5 = load_unaligned_u8_4x1(s + 5 * src_stride); |
| uint8x8_t t6 = load_unaligned_u8_4x1(s + 6 * src_stride); |
| |
| int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t5))); |
| int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t6))); |
| |
| __builtin_prefetch(d + 0 * dst_stride); |
| __builtin_prefetch(d + 1 * dst_stride); |
| __builtin_prefetch(d + 2 * dst_stride); |
| __builtin_prefetch(d + 3 * dst_stride); |
| |
| s += 7 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s9 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s10 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| |
| uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d1 = convolve8_4_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d2 = convolve8_4_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d3 = convolve8_4_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| __builtin_prefetch(d + 0 * dst_stride); |
| __builtin_prefetch(d + 1 * dst_stride); |
| __builtin_prefetch(d + 2 * dst_stride); |
| __builtin_prefetch(d + 3 * dst_stride); |
| |
| __builtin_prefetch(d_u8 + 0 * dst8_stride); |
| __builtin_prefetch(d_u8 + 1 * dst8_stride); |
| __builtin_prefetch(d_u8 + 2 * dst8_stride); |
| __builtin_prefetch(d_u8 + 3 * dst8_stride); |
| |
| uint16x4_t dd0, dd1, dd2, dd3; |
| load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d01, d23; |
| compute_basic_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, |
| round_offset_vec, &d01, &d23); |
| |
| store_u8x4_strided_x2(d_u8 + 0 * dst8_stride, dst8_stride, d01); |
| store_u8x4_strided_x2(d_u8 + 2 * dst8_stride, dst8_stride, d23); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s5 = s9; |
| s6 = s10; |
| s += 4 * src_stride; |
| d += 4 * dst_stride; |
| d_u8 += 4 * dst8_stride; |
| height -= 4; |
| #else // !AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s); |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| |
| uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| __builtin_prefetch(d); |
| |
| uint16x4_t dd0 = vld1_u16(d); |
| |
| uint8x8_t d01; |
| compute_basic_avg_4x1(dd0, d0, vget_low_s16(round_offset_vec), &d01); |
| |
| store_u8_4x1(d_u8, d01); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s5 = s6; |
| s6 = s7; |
| s += src_stride; |
| d += dst_stride; |
| d_u8 += dst8_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 4; |
| dst_ptr += 4; |
| dst8_ptr += 4; |
| width -= 4; |
| } while (width != 0); |
| } else { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| __builtin_prefetch(s + 0 * src_stride); |
| __builtin_prefetch(s + 1 * src_stride); |
| __builtin_prefetch(s + 2 * src_stride); |
| __builtin_prefetch(s + 3 * src_stride); |
| __builtin_prefetch(s + 4 * src_stride); |
| __builtin_prefetch(s + 5 * src_stride); |
| __builtin_prefetch(s + 6 * src_stride); |
| __builtin_prefetch(s + 7 * src_stride); |
| |
| uint8x8_t t0, t1, t2, t3, t4, t5, t6; |
| load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| s += 7 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| uint8x8_t t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| __builtin_prefetch(dst_ptr + 0 * dst_stride); |
| __builtin_prefetch(dst_ptr + 1 * dst_stride); |
| __builtin_prefetch(dst_ptr + 2 * dst_stride); |
| __builtin_prefetch(dst_ptr + 3 * dst_stride); |
| |
| uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| round_offset_vec); |
| uint16x8_t d1 = convolve8_8_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| round_offset_vec); |
| uint16x8_t d2 = convolve8_8_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| round_offset_vec); |
| uint16x8_t d3 = convolve8_8_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| round_offset_vec); |
| uint16x8_t d4 = convolve8_8_y(s4, s5, s6, s7, s8, s9, s10, s11, |
| y_filter, round_offset_vec); |
| uint16x8_t d5 = convolve8_8_y(s5, s6, s7, s8, s9, s10, s11, s12, |
| y_filter, round_offset_vec); |
| uint16x8_t d6 = convolve8_8_y(s6, s7, s8, s9, s10, s11, s12, s13, |
| y_filter, round_offset_vec); |
| uint16x8_t d7 = convolve8_8_y(s7, s8, s9, s10, s11, s12, s13, s14, |
| y_filter, round_offset_vec); |
| |
| __builtin_prefetch(d + 0 * dst8_stride); |
| __builtin_prefetch(d + 1 * dst8_stride); |
| __builtin_prefetch(d + 2 * dst8_stride); |
| __builtin_prefetch(d + 3 * dst8_stride); |
| |
| uint16x8_t dd0, dd1, dd2, dd3; |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| compute_basic_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, |
| round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| d_u8 += 4 * dst8_stride; |
| |
| uint16x8_t dd4, dd5, dd6, dd7; |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; |
| compute_basic_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, |
| round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); |
| d_u8 += 4 * dst8_stride; |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s5 = s13; |
| s6 = s14; |
| s += 8 * src_stride; |
| d += 8 * dst_stride; |
| height -= 8; |
| #else // !AOM_ARCH_AARCH64 |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); |
| |
| __builtin_prefetch(dst_ptr); |
| |
| uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| round_offset_vec); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s5 = s6; |
| s6 = s7; |
| |
| __builtin_prefetch(d); |
| |
| uint16x8_t dd0 = vld1q_u16(d); |
| |
| uint8x8_t d0_u8; |
| compute_basic_avg_8x1(dd0, d0, round_offset_vec, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| d_u8 += dst8_stride; |
| |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| dst8_ptr += 8; |
| width -= 8; |
| } while (width != 0); |
| } |
| } |
| |
| static INLINE void dist_wtd_convolve_y_8tap_neon(const uint8_t *src_ptr, |
| int src_stride, int w, int h, |
| const int16x8_t y_filter, |
| ConvolveParams *conv_params) { |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); |
| const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); |
| |
| CONV_BUF_TYPE *dst_ptr = conv_params->dst; |
| const int dst_stride = conv_params->dst_stride; |
| int width = w; |
| |
| if (w == 4 || h == 4) { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| int height = h; |
| |
| __builtin_prefetch(s + 0 * src_stride); |
| __builtin_prefetch(s + 1 * src_stride); |
| __builtin_prefetch(s + 2 * src_stride); |
| __builtin_prefetch(s + 3 * src_stride); |
| |
| uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); |
| uint8x8_t t5 = load_unaligned_u8_4x1(s + 5 * src_stride); |
| uint8x8_t t6 = load_unaligned_u8_4x1(s + 6 * src_stride); |
| |
| int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); |
| int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t5))); |
| int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t6))); |
| |
| __builtin_prefetch(d + 0 * dst_stride); |
| __builtin_prefetch(d + 1 * dst_stride); |
| __builtin_prefetch(d + 2 * dst_stride); |
| __builtin_prefetch(d + 3 * dst_stride); |
| |
| s += 7 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s + 0 * src_stride); |
| t1 = load_unaligned_u8_4x1(s + 1 * src_stride); |
| t2 = load_unaligned_u8_4x1(s + 2 * src_stride); |
| t3 = load_unaligned_u8_4x1(s + 3 * src_stride); |
| |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| int16x4_t s9 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| int16x4_t s10 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| |
| uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d1 = convolve8_4_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d2 = convolve8_4_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| vget_low_s16(round_offset_vec)); |
| uint16x4_t d3 = convolve8_4_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| store_u16_4x4(d, dst_stride, d0, d1, d2, d3); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s5 = s9; |
| s6 = s10; |
| s += 4 * src_stride; |
| d += 4 * dst_stride; |
| height -= 4; |
| #else // !AOM_ARCH_AARCH64 |
| t0 = load_unaligned_u8_4x1(s); |
| int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| |
| uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| vst1_u16(d, d0); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s5 = s6; |
| s6 = s7; |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 4; |
| dst_ptr += 4; |
| width -= 4; |
| } while (width != 0); |
| } else { |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| int height = h; |
| |
| __builtin_prefetch(s + 0 * src_stride); |
| __builtin_prefetch(s + 1 * src_stride); |
| __builtin_prefetch(s + 2 * src_stride); |
| __builtin_prefetch(s + 3 * src_stride); |
| __builtin_prefetch(s + 4 * src_stride); |
| __builtin_prefetch(s + 5 * src_stride); |
| __builtin_prefetch(s + 6 * src_stride); |
| __builtin_prefetch(s + 7 * src_stride); |
| |
| uint8x8_t t0, t1, t2, t3, t4, t5, t6; |
| load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6); |
| |
| int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| s += 7 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| uint8x8_t t7; |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| __builtin_prefetch(dst_ptr + 0 * dst_stride); |
| __builtin_prefetch(dst_ptr + 1 * dst_stride); |
| __builtin_prefetch(dst_ptr + 2 * dst_stride); |
| __builtin_prefetch(dst_ptr + 3 * dst_stride); |
| |
| uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| round_offset_vec); |
| uint16x8_t d1 = convolve8_8_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| round_offset_vec); |
| uint16x8_t d2 = convolve8_8_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| round_offset_vec); |
| uint16x8_t d3 = convolve8_8_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| round_offset_vec); |
| uint16x8_t d4 = convolve8_8_y(s4, s5, s6, s7, s8, s9, s10, s11, |
| y_filter, round_offset_vec); |
| uint16x8_t d5 = convolve8_8_y(s5, s6, s7, s8, s9, s10, s11, s12, |
| y_filter, round_offset_vec); |
| uint16x8_t d6 = convolve8_8_y(s6, s7, s8, s9, s10, s11, s12, s13, |
| y_filter, round_offset_vec); |
| uint16x8_t d7 = convolve8_8_y(s7, s8, s9, s10, s11, s12, s13, s14, |
| y_filter, round_offset_vec); |
| |
| store_u16_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7); |
| |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s5 = s13; |
| s6 = s14; |
| s += 8 * src_stride; |
| d += 8 * dst_stride; |
| height -= 8; |
| #else // !AOM_ARCH_AARCH64 |
| int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); |
| |
| __builtin_prefetch(dst_ptr); |
| |
| uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| round_offset_vec); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s5 = s6; |
| s6 = s7; |
| |
| vst1q_u16(d, d0); |
| |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| width -= 8; |
| } while (width != 0); |
| } |
| } |
| |
| void av1_dist_wtd_convolve_y_neon(const uint8_t *src, int src_stride, |
| uint8_t *dst8, int dst8_stride, int w, int h, |
| const InterpFilterParams *filter_params_y, |
| const int subpel_y_qn, |
| ConvolveParams *conv_params) { |
| assert(w % 4 == 0); |
| assert(h % 4 == 0); |
| |
| // Vertical filter. |
| const int16_t *y_filter_ptr = av1_get_interp_filter_subpel_kernel( |
| filter_params_y, subpel_y_qn & SUBPEL_MASK); |
| // Filter values are even, so downshift by 1 to reduce intermediate |
| // precision requirements. |
| const int16x8_t y_filter = vshrq_n_s16(vld1q_s16(y_filter_ptr), 1); |
| |
| const int vert_offset = filter_params_y->taps / 2 - 1; |
| const uint8_t *src_ptr = src - (vert_offset * src_stride); |
| |
| if (get_filter_tap(filter_params_y, subpel_y_qn) <= 6) { |
| if (conv_params->do_average) { |
| if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { |
| dist_wtd_convolve_y_6tap_dist_wtd_avg_neon( |
| src_ptr + src_stride, src_stride, dst8, dst8_stride, w, h, y_filter, |
| conv_params); |
| } else { |
| dist_wtd_convolve_y_6tap_avg_neon(src_ptr + src_stride, src_stride, |
| dst8, dst8_stride, w, h, y_filter, |
| conv_params); |
| } |
| } else { |
| dist_wtd_convolve_y_6tap_neon(src_ptr + src_stride, src_stride, w, h, |
| y_filter, conv_params); |
| } |
| } else { |
| if (conv_params->do_average) { |
| if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { |
| dist_wtd_convolve_y_8tap_dist_wtd_avg_neon(src_ptr, src_stride, dst8, |
| dst8_stride, w, h, y_filter, |
| conv_params); |
| } else { |
| dist_wtd_convolve_y_8tap_avg_neon(src_ptr, src_stride, dst8, |
| dst8_stride, w, h, y_filter, |
| conv_params); |
| } |
| } else { |
| dist_wtd_convolve_y_8tap_neon(src_ptr, src_stride, w, h, y_filter, |
| conv_params); |
| } |
| } |
| } |
