| /* |
| * 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 "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| #include "aom_dsp/txfm_common.h" |
| #include "aom_dsp/arm/mem_neon.h" |
| #include "aom_dsp/arm/transpose_neon.h" |
| #include "aom_ports/mem.h" |
| #include "av1/common/common.h" |
| #include "av1/common/arm/convolve_neon.h" |
| |
| #if !defined(__aarch64__) |
| static INLINE void compute_avg_4x1(uint16x4_t dd0, uint16x4_t d0, |
| const uint16_t fwd_offset, |
| const uint16_t bck_offset, |
| const int16x4_t round_offset, |
| const int use_dist_wtd_comp_avg, |
| uint8x8_t *d0_u8) { |
| uint16x4_t avg0; |
| |
| if (use_dist_wtd_comp_avg) { |
| uint32x4_t blend0; |
| blend0 = vmull_n_u16(dd0, fwd_offset); |
| blend0 = vmlal_n_u16(blend0, d0, bck_offset); |
| |
| avg0 = vshrn_n_u32(blend0, DIST_PRECISION_BITS); |
| } else { |
| avg0 = vhadd_u16(dd0, d0); |
| } |
| |
| int16x4_t dst0 = vsub_s16(vreinterpret_s16_u16(avg0), round_offset); |
| |
| int16x8_t dst0q = vcombine_s16(dst0, vdup_n_s16(0)); |
| |
| *d0_u8 = vqrshrun_n_s16(dst0q, FILTER_BITS - ROUND0_BITS); |
| } |
| |
| static INLINE void compute_avg_8x1(uint16x8_t dd0, uint16x8_t d0, |
| const uint16_t fwd_offset, |
| const uint16_t bck_offset, |
| const int16x8_t round_offset, |
| const int use_dist_wtd_comp_avg, |
| uint8x8_t *d0_u8) { |
| uint16x8_t avg0; |
| |
| if (use_dist_wtd_comp_avg) { |
| uint32x4_t blend0_lo, blend0_hi; |
| |
| blend0_lo = vmull_n_u16(vget_low_u16(dd0), fwd_offset); |
| blend0_lo = vmlal_n_u16(blend0_lo, vget_low_u16(d0), bck_offset); |
| blend0_hi = vmull_n_u16(vget_high_u16(dd0), fwd_offset); |
| blend0_hi = vmlal_n_u16(blend0_hi, vget_high_u16(d0), bck_offset); |
| |
| avg0 = vcombine_u16(vshrn_n_u32(blend0_lo, DIST_PRECISION_BITS), |
| vshrn_n_u32(blend0_hi, DIST_PRECISION_BITS)); |
| } else { |
| avg0 = vhaddq_u16(dd0, d0); |
| } |
| |
| int16x8_t dst0 = vsubq_s16(vreinterpretq_s16_u16(avg0), round_offset); |
| |
| *d0_u8 = vqrshrun_n_s16(dst0, FILTER_BITS - ROUND0_BITS); |
| } |
| #endif // !defined(__arch64__) |
| |
| static INLINE void compute_avg_4x4(uint16x4_t dd0, uint16x4_t dd1, |
| uint16x4_t dd2, uint16x4_t dd3, |
| uint16x4_t d0, uint16x4_t d1, uint16x4_t d2, |
| uint16x4_t d3, const uint16_t fwd_offset, |
| const uint16_t bck_offset, |
| const int16x8_t round_offset, |
| const int use_dist_wtd_comp_avg, |
| uint8x8_t *d01_u8, uint8x8_t *d23_u8) { |
| uint16x4_t avg0, avg1, avg2, avg3; |
| |
| if (use_dist_wtd_comp_avg) { |
| uint32x4_t blend0, blend1, blend2, blend3; |
| |
| blend0 = vmull_n_u16(dd0, fwd_offset); |
| blend0 = vmlal_n_u16(blend0, d0, bck_offset); |
| blend1 = vmull_n_u16(dd1, fwd_offset); |
| blend1 = vmlal_n_u16(blend1, d1, bck_offset); |
| blend2 = vmull_n_u16(dd2, fwd_offset); |
| blend2 = vmlal_n_u16(blend2, d2, bck_offset); |
| blend3 = vmull_n_u16(dd3, fwd_offset); |
| blend3 = vmlal_n_u16(blend3, d3, bck_offset); |
| |
| avg0 = vshrn_n_u32(blend0, DIST_PRECISION_BITS); |
| avg1 = vshrn_n_u32(blend1, DIST_PRECISION_BITS); |
| avg2 = vshrn_n_u32(blend2, DIST_PRECISION_BITS); |
| avg3 = vshrn_n_u32(blend3, DIST_PRECISION_BITS); |
| } else { |
| avg0 = vhadd_u16(dd0, d0); |
| avg1 = vhadd_u16(dd1, d1); |
| avg2 = vhadd_u16(dd2, d2); |
| avg3 = vhadd_u16(dd3, d3); |
| } |
| |
| int16x8_t dst_01 = vreinterpretq_s16_u16(vcombine_u16(avg0, avg1)); |
| int16x8_t dst_23 = vreinterpretq_s16_u16(vcombine_u16(avg2, avg3)); |
| |
| dst_01 = vsubq_s16(dst_01, round_offset); |
| dst_23 = vsubq_s16(dst_23, round_offset); |
| |
| *d01_u8 = vqrshrun_n_s16(dst_01, FILTER_BITS - ROUND0_BITS); |
| *d23_u8 = vqrshrun_n_s16(dst_23, FILTER_BITS - ROUND0_BITS); |
| } |
| |
| static INLINE void compute_avg_8x4( |
| uint16x8_t dd0, uint16x8_t dd1, uint16x8_t dd2, uint16x8_t dd3, |
| uint16x8_t d0, uint16x8_t d1, uint16x8_t d2, uint16x8_t d3, |
| const uint16_t fwd_offset, const uint16_t bck_offset, |
| const int16x8_t round_offset, const int use_dist_wtd_comp_avg, |
| uint8x8_t *d0_u8, uint8x8_t *d1_u8, uint8x8_t *d2_u8, uint8x8_t *d3_u8) { |
| uint16x8_t avg0, avg1, avg2, avg3; |
| |
| if (use_dist_wtd_comp_avg) { |
| uint32x4_t blend0_lo, blend1_lo, blend2_lo, blend3_lo; |
| uint32x4_t blend0_hi, blend1_hi, blend2_hi, blend3_hi; |
| |
| blend0_lo = vmull_n_u16(vget_low_u16(dd0), fwd_offset); |
| blend0_lo = vmlal_n_u16(blend0_lo, vget_low_u16(d0), bck_offset); |
| blend0_hi = vmull_n_u16(vget_high_u16(dd0), fwd_offset); |
| blend0_hi = vmlal_n_u16(blend0_hi, vget_high_u16(d0), bck_offset); |
| |
| blend1_lo = vmull_n_u16(vget_low_u16(dd1), fwd_offset); |
| blend1_lo = vmlal_n_u16(blend1_lo, vget_low_u16(d1), bck_offset); |
| blend1_hi = vmull_n_u16(vget_high_u16(dd1), fwd_offset); |
| blend1_hi = vmlal_n_u16(blend1_hi, vget_high_u16(d1), bck_offset); |
| |
| blend2_lo = vmull_n_u16(vget_low_u16(dd2), fwd_offset); |
| blend2_lo = vmlal_n_u16(blend2_lo, vget_low_u16(d2), bck_offset); |
| blend2_hi = vmull_n_u16(vget_high_u16(dd2), fwd_offset); |
| blend2_hi = vmlal_n_u16(blend2_hi, vget_high_u16(d2), bck_offset); |
| |
| blend3_lo = vmull_n_u16(vget_low_u16(dd3), fwd_offset); |
| blend3_lo = vmlal_n_u16(blend3_lo, vget_low_u16(d3), bck_offset); |
| blend3_hi = vmull_n_u16(vget_high_u16(dd3), fwd_offset); |
| blend3_hi = vmlal_n_u16(blend3_hi, vget_high_u16(d3), bck_offset); |
| |
| avg0 = vcombine_u16(vshrn_n_u32(blend0_lo, DIST_PRECISION_BITS), |
| vshrn_n_u32(blend0_hi, DIST_PRECISION_BITS)); |
| avg1 = vcombine_u16(vshrn_n_u32(blend1_lo, DIST_PRECISION_BITS), |
| vshrn_n_u32(blend1_hi, DIST_PRECISION_BITS)); |
| avg2 = vcombine_u16(vshrn_n_u32(blend2_lo, DIST_PRECISION_BITS), |
| vshrn_n_u32(blend2_hi, DIST_PRECISION_BITS)); |
| avg3 = vcombine_u16(vshrn_n_u32(blend3_lo, DIST_PRECISION_BITS), |
| vshrn_n_u32(blend3_hi, DIST_PRECISION_BITS)); |
| } else { |
| avg0 = vhaddq_u16(dd0, d0); |
| avg1 = vhaddq_u16(dd1, d1); |
| avg2 = vhaddq_u16(dd2, d2); |
| avg3 = vhaddq_u16(dd3, d3); |
| } |
| |
| int16x8_t dst0 = vsubq_s16(vreinterpretq_s16_u16(avg0), round_offset); |
| int16x8_t dst1 = vsubq_s16(vreinterpretq_s16_u16(avg1), round_offset); |
| int16x8_t dst2 = vsubq_s16(vreinterpretq_s16_u16(avg2), round_offset); |
| int16x8_t dst3 = vsubq_s16(vreinterpretq_s16_u16(avg3), round_offset); |
| |
| *d0_u8 = vqrshrun_n_s16(dst0, FILTER_BITS - ROUND0_BITS); |
| *d1_u8 = vqrshrun_n_s16(dst1, FILTER_BITS - ROUND0_BITS); |
| *d2_u8 = vqrshrun_n_s16(dst2, FILTER_BITS - ROUND0_BITS); |
| *d3_u8 = vqrshrun_n_s16(dst3, FILTER_BITS - ROUND0_BITS); |
| } |
| |
| #if defined(__aarch64__) && defined(__ARM_FEATURE_MATMUL_INT8) |
| |
| 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 int16x8_t x_filter_s16, const int im_h, int w) { |
| const int bd = 8; |
| int16_t *dst_ptr = im_block; |
| int dst_stride = im_stride; |
| int width = w; |
| int height = im_h; |
| |
| const int8x8_t x_filter = vmovn_s16(x_filter_s16); |
| // This 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 outermost -1 is needed because we halved the filter values. |
| const int32x4_t horiz_const = vdupq_n_s32((1 << (bd + FILTER_BITS - 2)) + |
| (1 << ((ROUND0_BITS - 1) - 1))); |
| |
| if (w == 4) { |
| const uint8x16x2_t permute_tbl = vld1q_u8_x2(dot_prod_permute_tbl); |
| uint8x16_t s0, s1, s2, s3; |
| int32x4_t t0, t1, t2, t3; |
| int16x4_t d0, d1, d2, d3; |
| |
| do { |
| load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3); |
| |
| t0 = convolve8_4_usdot(s0, x_filter, permute_tbl, horiz_const); |
| t1 = convolve8_4_usdot(s1, x_filter, permute_tbl, horiz_const); |
| t2 = convolve8_4_usdot(s2, x_filter, permute_tbl, horiz_const); |
| t3 = convolve8_4_usdot(s3, x_filter, permute_tbl, horiz_const); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| d0 = vshrn_n_s32(t0, ROUND0_BITS - 1); |
| d1 = vshrn_n_s32(t1, ROUND0_BITS - 1); |
| d2 = vshrn_n_s32(t2, ROUND0_BITS - 1); |
| d3 = vshrn_n_s32(t3, ROUND0_BITS - 1); |
| |
| store_s16_4x4(dst_ptr, dst_stride, d0, d1, d2, d3); |
| |
| src += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| height -= 4; |
| } while (height > 0); |
| } else { |
| const uint8x16x3_t permute_tbl = vld1q_u8_x3(dot_prod_permute_tbl); |
| const uint8_t *s; |
| int16_t *d; |
| uint8x16_t s0, s1, s2, s3; |
| int16x8_t d0, d1, d2, d3; |
| |
| do { |
| width = w; |
| s = src; |
| d = dst_ptr; |
| |
| do { |
| load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3); |
| |
| d0 = convolve8_horiz_8_usdot(s0, x_filter, permute_tbl, horiz_const); |
| d1 = convolve8_horiz_8_usdot(s1, x_filter, permute_tbl, horiz_const); |
| d2 = convolve8_horiz_8_usdot(s2, x_filter, permute_tbl, horiz_const); |
| d3 = convolve8_horiz_8_usdot(s3, x_filter, permute_tbl, horiz_const); |
| |
| store_s16_8x4(d, dst_stride, d0, d1, d2, d3); |
| |
| s += 8; |
| d += 8; |
| width -= 8; |
| } while (width > 0); |
| |
| src += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| height -= 4; |
| } while (height > 0); |
| } |
| } |
| |
| #elif defined(__aarch64__) && defined(__ARM_FEATURE_DOTPROD) |
| |
| 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 int16x8_t x_filter_s16, const int im_h, int w) { |
| const int bd = 8; |
| int16_t *dst_ptr = im_block; |
| int dst_stride = im_stride; |
| int width = w; |
| int height = im_h; |
| |
| const int8x8_t x_filter = vmovn_s16(x_filter_s16); |
| const int32_t horiz_const = (1 << (bd + FILTER_BITS - 2)); |
| // Dot product constants. |
| const int16x8_t correct_tmp = vshlq_n_s16(x_filter_s16, 7); |
| // This 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 outermost -1 is needed because we halved the filter values. |
| const int32x4_t correction = vdupq_n_s32( |
| vaddlvq_s16(correct_tmp) + horiz_const + (1 << ((ROUND0_BITS - 1) - 1))); |
| const uint8x16_t range_limit = vdupq_n_u8(128); |
| |
| if (w == 4) { |
| const uint8x16x2_t permute_tbl = vld1q_u8_x2(dot_prod_permute_tbl); |
| uint8x16_t s0, s1, s2, s3; |
| int32x4_t t0, t1, t2, t3; |
| int16x4_t d0, d1, d2, d3; |
| |
| do { |
| load_u8_16x4(src, src_stride, &s0, &s1, &s2, &s3); |
| |
| t0 = convolve8_4_sdot(s0, x_filter, correction, range_limit, permute_tbl); |
| t1 = convolve8_4_sdot(s1, x_filter, correction, range_limit, permute_tbl); |
| t2 = convolve8_4_sdot(s2, x_filter, correction, range_limit, permute_tbl); |
| t3 = convolve8_4_sdot(s3, x_filter, correction, range_limit, permute_tbl); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| d0 = vshrn_n_s32(t0, ROUND0_BITS - 1); |
| d1 = vshrn_n_s32(t1, ROUND0_BITS - 1); |
| d2 = vshrn_n_s32(t2, ROUND0_BITS - 1); |
| d3 = vshrn_n_s32(t3, ROUND0_BITS - 1); |
| |
| store_s16_4x4(dst_ptr, dst_stride, d0, d1, d2, d3); |
| |
| src += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| height -= 4; |
| } while (height > 0); |
| } else { |
| const uint8x16x3_t permute_tbl = vld1q_u8_x3(dot_prod_permute_tbl); |
| const uint8_t *s; |
| int16_t *d; |
| uint8x16_t s0, s1, s2, s3; |
| int16x8_t d0, d1, d2, d3; |
| |
| do { |
| width = w; |
| s = src; |
| d = dst_ptr; |
| |
| do { |
| load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3); |
| |
| d0 = convolve8_horiz_8_sdot(s0, x_filter, correction, range_limit, |
| permute_tbl); |
| d1 = convolve8_horiz_8_sdot(s1, x_filter, correction, range_limit, |
| permute_tbl); |
| d2 = convolve8_horiz_8_sdot(s2, x_filter, correction, range_limit, |
| permute_tbl); |
| d3 = convolve8_horiz_8_sdot(s3, x_filter, correction, range_limit, |
| permute_tbl); |
| |
| store_s16_8x4(d, dst_stride, d0, d1, d2, d3); |
| |
| s += 8; |
| d += 8; |
| width -= 8; |
| } while (width > 0); |
| |
| src += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| height -= 4; |
| } while (height > 0); |
| } |
| } |
| |
| #else // !(defined(__aarch64__) && defined(__ARM_FEATURE_DOTPROD)) |
| |
| 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 int16x8_t x_filter, const int im_h, int w) { |
| const int bd = 8; |
| const uint8_t *s; |
| int16_t *dst_ptr; |
| int dst_stride; |
| int width, height; |
| |
| dst_ptr = im_block; |
| dst_stride = im_stride; |
| height = im_h; |
| width = w; |
| |
| if (w == 4) { |
| int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, d0; |
| int16x8_t tt0; |
| uint8x8_t t0; |
| |
| // This 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 outermost -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))); |
| |
| #if defined(__aarch64__) |
| int16x4_t s8, s9, s10, d1, d2, d3; |
| int16x8_t tt1, tt2, tt3; |
| uint8x8_t t1, t2, t3; |
| #endif // defined(__aarch64__) |
| do { |
| s = src; |
| __builtin_prefetch(s + 0 * src_stride); |
| #if defined(__aarch64__) |
| __builtin_prefetch(s + 1 * src_stride); |
| __builtin_prefetch(s + 2 * src_stride); |
| __builtin_prefetch(s + 3 * src_stride); |
| |
| load_u8_8x4(s, src_stride, &t0, &t1, &t2, &t3); |
| transpose_u8_8x4(&t0, &t1, &t2, &t3); |
| tt0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| tt1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| tt2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| tt3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s0 = vget_low_s16(tt0); |
| s1 = vget_low_s16(tt1); |
| s2 = vget_low_s16(tt2); |
| s3 = vget_low_s16(tt3); |
| s4 = vget_high_s16(tt0); |
| s5 = vget_high_s16(tt1); |
| s6 = vget_high_s16(tt2); |
| __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); |
| s += 7; |
| |
| load_u8_8x4(s, src_stride, &t0, &t1, &t2, &t3); |
| transpose_u8_8x4(&t0, &t1, &t2, &t3); |
| tt0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| tt1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| tt2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| tt3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s7 = vget_low_s16(tt0); |
| s8 = vget_low_s16(tt1); |
| s9 = vget_low_s16(tt2); |
| s10 = vget_low_s16(tt3); |
| |
| d0 = convolve8_horiz_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| horiz_const); |
| d1 = convolve8_horiz_4x4_s16(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, |
| horiz_const); |
| d2 = convolve8_horiz_4x4_s16(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, |
| horiz_const); |
| d3 = convolve8_horiz_4x4_s16(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, |
| horiz_const); |
| |
| transpose_s16_4x4d(&d0, &d1, &d2, &d3); |
| |
| store_s16_4x4(dst_ptr, dst_stride, d0, d1, d2, d3); |
| |
| src += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| height -= 4; |
| #else // !defined(__aarch64__) |
| t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7 |
| tt0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7 |
| s0 = vget_low_s16(tt0); // a0 a1 a2 a3 |
| s4 = vget_high_s16(tt0); // a4 a5 a6 a7 |
| __builtin_prefetch(dst_ptr); |
| s += 8; |
| t0 = vld1_u8(s); // a8 a9 a10 a11 |
| |
| // a8 a9 a10 a11 |
| s7 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| |
| s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 |
| s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 |
| s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 |
| s5 = vext_s16(s4, s7, 1); // a5 a6 a7 a8 |
| s6 = vext_s16(s4, s7, 2); // a6 a7 a8 a9 |
| s7 = vext_s16(s4, s7, 3); // a7 a8 a9 a10 |
| |
| d0 = convolve8_horiz_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| horiz_const); |
| |
| vst1_s16(dst_ptr, d0); |
| |
| src += src_stride; |
| dst_ptr += dst_stride; |
| height -= 1; |
| #endif // defined(__aarch64__) |
| } while (height > 0); |
| } else { |
| int16_t *d_tmp; |
| int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; |
| int16x8_t res0; |
| uint8x8_t t0; |
| |
| // This 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 outermost -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))); |
| do { |
| #if defined(__aarch64__) |
| uint8x8_t t1, t2, t3, t4, t5, t6, t7; |
| int16x8_t s8, s9, s10, s11, s12, s13, s14; |
| int16x8_t res1, res2, res3, res4, res5, res6, res7; |
| __builtin_prefetch(src + 0 * src_stride); |
| __builtin_prefetch(src + 1 * src_stride); |
| __builtin_prefetch(src + 2 * src_stride); |
| __builtin_prefetch(src + 3 * src_stride); |
| __builtin_prefetch(src + 4 * src_stride); |
| __builtin_prefetch(src + 5 * src_stride); |
| __builtin_prefetch(src + 6 * src_stride); |
| __builtin_prefetch(src + 7 * src_stride); |
| load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| width = w; |
| s = src + 7; |
| d_tmp = dst_ptr; |
| __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_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| res0 = convolve8_horiz_8x8_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| horiz_const); |
| res1 = convolve8_horiz_8x8_s16(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, |
| horiz_const); |
| res2 = convolve8_horiz_8x8_s16(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, |
| horiz_const); |
| res3 = convolve8_horiz_8x8_s16(s3, s4, s5, s6, s7, s8, s9, s10, |
| x_filter, horiz_const); |
| res4 = convolve8_horiz_8x8_s16(s4, s5, s6, s7, s8, s9, s10, s11, |
| x_filter, horiz_const); |
| res5 = convolve8_horiz_8x8_s16(s5, s6, s7, s8, s9, s10, s11, s12, |
| x_filter, horiz_const); |
| res6 = convolve8_horiz_8x8_s16(s6, s7, s8, s9, s10, s11, s12, s13, |
| x_filter, horiz_const); |
| res7 = convolve8_horiz_8x8_s16(s7, s8, s9, s10, s11, s12, s13, s14, |
| x_filter, horiz_const); |
| |
| transpose_s16_8x8(&res0, &res1, &res2, &res3, &res4, &res5, &res6, |
| &res7); |
| |
| store_s16_8x8(d_tmp, dst_stride, res0, res1, res2, res3, res4, res5, |
| res6, res7); |
| s0 = s8; |
| s1 = s9; |
| s2 = s10; |
| s3 = s11; |
| s4 = s12; |
| s5 = s13; |
| s6 = s14; |
| s += 8; |
| d_tmp += 8; |
| width -= 8; |
| } while (width > 0); |
| src += 8 * src_stride; |
| dst_ptr += 8 * dst_stride; |
| height -= 8; |
| #else // !defined(__aarch64__) |
| int16x8_t temp_0; |
| t0 = vld1_u8(src); |
| s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7 |
| |
| width = w; |
| s = src + 8; |
| d_tmp = dst_ptr; |
| __builtin_prefetch(dst_ptr); |
| |
| do { |
| t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 |
| s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| temp_0 = s0; |
| s0 = s7; |
| |
| s1 = vextq_s16(temp_0, s7, 1); // a1 a2 a3 a4 a5 a6 a7 a8 |
| s2 = vextq_s16(temp_0, s7, 2); // a2 a3 a4 a5 a6 a7 a8 a9 |
| s3 = vextq_s16(temp_0, s7, 3); // a3 a4 a5 a6 a7 a8 a9 a10 |
| s4 = vextq_s16(temp_0, s7, 4); // a4 a5 a6 a7 a8 a9 a10 a11 |
| s5 = vextq_s16(temp_0, s7, 5); // a5 a6 a7 a8 a9 a10 a11 a12 |
| s6 = vextq_s16(temp_0, s7, 6); // a6 a7 a8 a9 a10 a11 a12 a13 |
| s7 = vextq_s16(temp_0, s7, 7); // a7 a8 a9 a10 a11 a12 a13 a14 |
| |
| res0 = convolve8_horiz_8x8_s16(temp_0, s1, s2, s3, s4, s5, s6, s7, |
| x_filter, horiz_const); |
| vst1q_s16(d_tmp, res0); |
| |
| s += 8; |
| d_tmp += 8; |
| width -= 8; |
| } while (width > 0); |
| src += src_stride; |
| dst_ptr += dst_stride; |
| height -= 1; |
| #endif // defined(__aarch64__) |
| } while (height > 0); |
| } |
| } |
| |
| #endif // defined(__aarch64__) && defined(__ARM_FEATURE_DOTPROD) |
| |
| static INLINE uint16x4_t |
| convolve6_4_2d_v(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 int32x4_t offset_const) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); |
| |
| int32x4_t sum = offset_const; |
| // Filter values at indices 0 and 7 are 0. |
| sum = vmlal_lane_s16(sum, s0, y_filter_0_3, 1); |
| sum = vmlal_lane_s16(sum, s1, y_filter_0_3, 2); |
| sum = vmlal_lane_s16(sum, s2, y_filter_0_3, 3); |
| sum = vmlal_lane_s16(sum, s3, y_filter_4_7, 0); |
| sum = vmlal_lane_s16(sum, s4, y_filter_4_7, 1); |
| sum = vmlal_lane_s16(sum, s5, y_filter_4_7, 2); |
| |
| return vqrshrun_n_s32(sum, COMPOUND_ROUND1_BITS); |
| } |
| |
| static INLINE uint16x8_t |
| convolve6_8_2d_v(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 int32x4_t offset_const) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); |
| |
| int32x4_t sum0 = offset_const; |
| // Filter values at indices 0 and 7 are 0. |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s0), y_filter_0_3, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), y_filter_0_3, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), y_filter_0_3, 3); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), y_filter_4_7, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s4), y_filter_4_7, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s5), y_filter_4_7, 2); |
| |
| int32x4_t sum1 = offset_const; |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s0), y_filter_0_3, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), y_filter_0_3, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), y_filter_0_3, 3); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), y_filter_4_7, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s4), y_filter_4_7, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s5), y_filter_4_7, 2); |
| |
| return vcombine_u16(vqrshrun_n_s32(sum0, COMPOUND_ROUND1_BITS), |
| vqrshrun_n_s32(sum1, COMPOUND_ROUND1_BITS)); |
| } |
| |
| static INLINE void dist_wtd_convolve_2d_vert_6tap_neon( |
| int16_t *src_ptr, const int src_stride, uint8_t *dst8_ptr, int dst8_stride, |
| ConvolveParams *conv_params, const int16x8_t y_filter, int h, int w) { |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int32x4_t offset_const = vdupq_n_s32(1 << offset_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 int do_average = conv_params->do_average; |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| 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; |
| |
| if (w == 4) { |
| int16x4_t s0, s1, s2, s3, s4, s5; |
| uint16x4_t dd0, d0; |
| uint8x8_t d01_u8; |
| #if defined(__aarch64__) |
| int16x4_t s6, s7, s8; |
| uint16x4_t dd1, dd2, dd3, d1, d2, d3; |
| uint8x8_t d23_u8; |
| #endif // defined(__aarch64__) |
| |
| load_s16_4x5(src_ptr, src_stride, &s0, &s1, &s2, &s3, &s4); |
| src_ptr += 5 * src_stride; |
| |
| do { |
| #if defined(__aarch64__) |
| load_s16_4x4(src_ptr, src_stride, &s5, &s6, &s7, &s8); |
| |
| d0 = convolve6_4_2d_v(s0, s1, s2, s3, s4, s5, y_filter, offset_const); |
| d1 = convolve6_4_2d_v(s1, s2, s3, s4, s5, s6, y_filter, offset_const); |
| d2 = convolve6_4_2d_v(s2, s3, s4, s5, s6, s7, y_filter, offset_const); |
| d3 = convolve6_4_2d_v(s3, s4, s5, s6, s7, s8, y_filter, offset_const); |
| |
| if (do_average) { |
| load_u16_4x4(dst_ptr, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d01_u8, &d23_u8); |
| |
| store_u8_4x1(dst8_ptr + 0 * dst8_stride, d01_u8, 0); |
| store_u8_4x1(dst8_ptr + 1 * dst8_stride, d01_u8, 1); |
| store_u8_4x1(dst8_ptr + 2 * dst8_stride, d23_u8, 0); |
| store_u8_4x1(dst8_ptr + 3 * dst8_stride, d23_u8, 1); |
| dst8_ptr += 4 * dst8_stride; |
| } else { |
| store_u16_4x4(dst_ptr, dst_stride, d0, d1, d2, d3); |
| } |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| h -= 4; |
| #else // !defined(__aarch64__) |
| s5 = vld1_s16(src_ptr); |
| |
| d0 = convolve6_4_2d_v(s0, s1, s2, s3, s4, s5, y_filter, offset_const); |
| |
| if (do_average) { |
| dd0 = vld1_u16(dst_ptr); |
| |
| compute_avg_4x1(dd0, d0, fwd_offset, bck_offset, |
| vget_low_s16(round_offset_vec), use_dist_wtd_comp_avg, |
| &d01_u8); |
| |
| store_u8_4x1(dst8_ptr, d01_u8, 0); |
| dst8_ptr += dst8_stride; |
| } else { |
| vst1_u16(dst_ptr, d0); |
| } |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| h--; |
| #endif // defined(__aarch64__) |
| } while (h != 0); |
| } else { |
| int16x8_t s0, s1, s2, s3, s4, s5; |
| uint16x8_t dd0, d0; |
| uint8x8_t d0_u8; |
| #if defined(__aarch64__) |
| int16x8_t s6, s7, s8; |
| uint16x8_t dd1, dd2, dd3, d1, d2, d3; |
| uint8x8_t d1_u8, d2_u8, d3_u8; |
| #endif // defined(__aarch64__) |
| |
| do { |
| int16_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| load_s16_8x5(s, src_stride, &s0, &s1, &s2, &s3, &s4); |
| s += 5 * src_stride; |
| |
| do { |
| #if defined(__aarch64__) |
| load_s16_8x4(s, src_stride, &s5, &s6, &s7, &s8); |
| |
| d0 = convolve6_8_2d_v(s0, s1, s2, s3, s4, s5, y_filter, offset_const); |
| d1 = convolve6_8_2d_v(s1, s2, s3, s4, s5, s6, y_filter, offset_const); |
| d2 = convolve6_8_2d_v(s2, s3, s4, s5, s6, s7, y_filter, offset_const); |
| d3 = convolve6_8_2d_v(s3, s4, s5, s6, s7, s8, y_filter, offset_const); |
| |
| if (do_average) { |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &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; |
| } else { |
| store_u16_8x4(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 // !defined(__aarch64__) |
| s5 = vld1q_s16(s); |
| |
| d0 = convolve6_8_2d_v(s0, s1, s2, s3, s4, s5, y_filter, offset_const); |
| |
| if (do_average) { |
| dd0 = vld1q_u16(d); |
| |
| compute_avg_8x1(dd0, d0, fwd_offset, bck_offset, round_offset_vec, |
| use_dist_wtd_comp_avg, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| d_u8 += dst8_stride; |
| } else { |
| vst1q_u16(d, d0); |
| } |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // defined(__aarch64__) |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| dst8_ptr += 8; |
| w -= 8; |
| } while (w != 0); |
| } |
| } |
| |
| static INLINE uint16x4_t |
| convolve8_4_2d_v(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 int32x4_t offset_const) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); |
| |
| int32x4_t sum = offset_const; |
| sum = vmlal_lane_s16(sum, s0, y_filter_0_3, 0); |
| sum = vmlal_lane_s16(sum, s1, y_filter_0_3, 1); |
| sum = vmlal_lane_s16(sum, s2, y_filter_0_3, 2); |
| sum = vmlal_lane_s16(sum, s3, y_filter_0_3, 3); |
| sum = vmlal_lane_s16(sum, s4, y_filter_4_7, 0); |
| sum = vmlal_lane_s16(sum, s5, y_filter_4_7, 1); |
| sum = vmlal_lane_s16(sum, s6, y_filter_4_7, 2); |
| sum = vmlal_lane_s16(sum, s7, y_filter_4_7, 3); |
| |
| return vqrshrun_n_s32(sum, COMPOUND_ROUND1_BITS); |
| } |
| |
| static INLINE uint16x8_t |
| convolve8_8_2d_v(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 int32x4_t offset_const) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); |
| |
| int32x4_t sum0 = offset_const; |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s0), y_filter_0_3, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), y_filter_0_3, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), y_filter_0_3, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), y_filter_0_3, 3); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s4), y_filter_4_7, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s5), y_filter_4_7, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s6), y_filter_4_7, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s7), y_filter_4_7, 3); |
| |
| int32x4_t sum1 = offset_const; |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s0), y_filter_0_3, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), y_filter_0_3, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), y_filter_0_3, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), y_filter_0_3, 3); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s4), y_filter_4_7, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s5), y_filter_4_7, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s6), y_filter_4_7, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s7), y_filter_4_7, 3); |
| |
| return vcombine_u16(vqrshrun_n_s32(sum0, COMPOUND_ROUND1_BITS), |
| vqrshrun_n_s32(sum1, COMPOUND_ROUND1_BITS)); |
| } |
| |
| static INLINE void dist_wtd_convolve_2d_vert_8tap_neon( |
| int16_t *src_ptr, const int src_stride, uint8_t *dst8_ptr, int dst8_stride, |
| ConvolveParams *conv_params, const int16x8_t y_filter, int h, int w) { |
| const int bd = 8; |
| const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; |
| const int32x4_t offset_const = vdupq_n_s32(1 << offset_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 int do_average = conv_params->do_average; |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| 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; |
| |
| if (w == 4) { |
| int16x4_t s0, s1, s2, s3, s4, s5, s6, s7; |
| uint16x4_t dd0, d0; |
| uint8x8_t d01_u8; |
| #if defined(__aarch64__) |
| int16x4_t s8, s9, s10; |
| uint16x4_t dd1, dd2, dd3, d1, d2, d3; |
| uint8x8_t d23_u8; |
| #endif // defined(__aarch64__) |
| |
| load_s16_4x7(src_ptr, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); |
| src_ptr += 7 * src_stride; |
| |
| do { |
| #if defined(__aarch64__) |
| load_s16_4x4(src_ptr, src_stride, &s7, &s8, &s9, &s10); |
| |
| d0 = convolve8_4_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| offset_const); |
| d1 = convolve8_4_2d_v(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| offset_const); |
| d2 = convolve8_4_2d_v(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| offset_const); |
| d3 = convolve8_4_2d_v(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| offset_const); |
| |
| if (do_average) { |
| load_u16_4x4(dst_ptr, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d01_u8, &d23_u8); |
| |
| store_u8_4x1(dst8_ptr + 0 * dst8_stride, d01_u8, 0); |
| store_u8_4x1(dst8_ptr + 1 * dst8_stride, d01_u8, 1); |
| store_u8_4x1(dst8_ptr + 2 * dst8_stride, d23_u8, 0); |
| store_u8_4x1(dst8_ptr + 3 * dst8_stride, d23_u8, 1); |
| dst8_ptr += 4 * dst8_stride; |
| } else { |
| store_u16_4x4(dst_ptr, dst_stride, d0, d1, d2, d3); |
| } |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s5 = s9; |
| s6 = s10; |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| h -= 4; |
| #else // !defined(__aarch64__) |
| s7 = vld1_s16(src_ptr); |
| |
| d0 = convolve8_4_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| offset_const); |
| |
| if (do_average) { |
| dd0 = vld1_u16(dst_ptr); |
| |
| compute_avg_4x1(dd0, d0, fwd_offset, bck_offset, |
| vget_low_s16(round_offset_vec), use_dist_wtd_comp_avg, |
| &d01_u8); |
| |
| store_u8_4x1(dst8_ptr, d01_u8, 0); |
| dst8_ptr += dst8_stride; |
| } else { |
| vst1_u16(dst_ptr, d0); |
| } |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s5 = s6; |
| s6 = s7; |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| h--; |
| #endif // defined(__aarch64__) |
| } while (h != 0); |
| } else { |
| int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; |
| uint16x8_t dd0, d0; |
| uint8x8_t d0_u8; |
| #if defined(__aarch64__) |
| int16x8_t s8, s9, s10; |
| uint16x8_t dd1, dd2, dd3, d1, d2, d3; |
| uint8x8_t d1_u8, d2_u8, d3_u8; |
| #endif // defined(__aarch64__) |
| |
| do { |
| int16_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| load_s16_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); |
| s += 7 * src_stride; |
| |
| do { |
| #if defined(__aarch64__) |
| load_s16_8x4(s, src_stride, &s7, &s8, &s9, &s10); |
| |
| d0 = convolve8_8_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| offset_const); |
| d1 = convolve8_8_2d_v(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| offset_const); |
| d2 = convolve8_8_2d_v(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| offset_const); |
| d3 = convolve8_8_2d_v(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| offset_const); |
| |
| if (do_average) { |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &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; |
| } else { |
| store_u16_8x4(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 // !defined(__aarch64__) |
| s7 = vld1q_s16(s); |
| |
| d0 = convolve8_8_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| offset_const); |
| |
| if (do_average) { |
| dd0 = vld1q_u16(d); |
| |
| compute_avg_8x1(dd0, d0, fwd_offset, bck_offset, round_offset_vec, |
| use_dist_wtd_comp_avg, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| d_u8 += dst8_stride; |
| } else { |
| vst1q_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 // defined(__aarch64__) |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| dst8_ptr += 8; |
| w -= 8; |
| } while (w != 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)); |
| assert(!(h % 4)); |
| |
| DECLARE_ALIGNED(16, int16_t, |
| im_block[(MAX_SB_SIZE + HORIZ_EXTRA_ROWS) * 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 + filter_params_y->taps - 1; |
| const int im_stride = MAX_SB_SIZE; |
| const int vert_offset = filter_params_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); |
| |
| // Filter values are even, so downshift by 1 to reduce intermediate precision |
| // requirements. |
| const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); |
| 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, im_h, w); |
| |
| if (clamped_y_taps == 6) { |
| dist_wtd_convolve_2d_vert_6tap_neon(im_block + im_stride, im_stride, dst8, |
| dst8_stride, conv_params, y_filter, h, |
| w); |
| } else { |
| dist_wtd_convolve_2d_vert_8tap_neon(im_block, im_stride, dst8, dst8_stride, |
| conv_params, y_filter, h, w); |
| } |
| } |
| |
| 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) { |
| 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 int do_average = conv_params->do_average; |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| 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) { |
| uint8x8_t s0, s1, s2, s3, d01, d23; |
| uint16x4_t d0, d1, d2, d3, dd0, dd1, dd2, dd3; |
| |
| do { |
| load_u8_8x4(src, src_stride, &s0, &s1, &s2, &s3); |
| |
| d0 = vget_low_u16(vmlal_u8(round_offset_vec, s0, shift_by_bits)); |
| d1 = vget_low_u16(vmlal_u8(round_offset_vec, s1, shift_by_bits)); |
| d2 = vget_low_u16(vmlal_u8(round_offset_vec, s2, shift_by_bits)); |
| d3 = vget_low_u16(vmlal_u8(round_offset_vec, s3, shift_by_bits)); |
| |
| if (do_average) { |
| load_u16_4x4(dst, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, vreinterpretq_s16_u16(round_offset_vec), |
| use_dist_wtd_comp_avg, &d01, &d23); |
| |
| store_u8_4x1(dst8 + 0 * dst8_stride, d01, 0); |
| store_u8_4x1(dst8 + 1 * dst8_stride, d01, 1); |
| store_u8_4x1(dst8 + 2 * dst8_stride, d23, 0); |
| store_u8_4x1(dst8 + 3 * dst8_stride, d23, 1); |
| } else { |
| store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); |
| } |
| |
| src += 4 * src_stride; |
| dst += 4 * dst_stride; |
| dst8 += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } else { |
| uint8x8_t s0, s1, s2, s3, d0_u8, d1_u8, d2_u8, d3_u8; |
| uint16x8_t d0, d1, d2, d3, dd0, dd1, dd2, dd3; |
| |
| do { |
| const uint8_t *s = src; |
| CONV_BUF_TYPE *d = dst; |
| uint8_t *d_u8 = dst8; |
| int width = w; |
| |
| do { |
| load_u8_8x4(s, src_stride, &s0, &s1, &s2, &s3); |
| |
| d0 = vmlal_u8(round_offset_vec, s0, shift_by_bits); |
| d1 = vmlal_u8(round_offset_vec, s1, shift_by_bits); |
| d2 = vmlal_u8(round_offset_vec, s2, shift_by_bits); |
| d3 = vmlal_u8(round_offset_vec, s3, shift_by_bits); |
| |
| if (do_average) { |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, vreinterpretq_s16_u16(round_offset_vec), |
| use_dist_wtd_comp_avg, &d0_u8, &d1_u8, &d2_u8, |
| &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| } else { |
| store_u16_8x4(d, dst_stride, d0, d1, d2, d3); |
| } |
| |
| 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); |
| } |
| } |
| |
| #if defined(__aarch64__) && defined(__ARM_FEATURE_MATMUL_INT8) |
| |
| static INLINE uint16x4_t convolve8_4_x(uint8x16_t samples, |
| const int8x8_t x_filter, |
| const uint8x16x2_t permute_tbl, |
| const int32x4_t round_offset) { |
| uint8x16_t permuted_samples[2]; |
| int32x4_t sum; |
| |
| // Permute samples ready for dot product. |
| // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } |
| permuted_samples[0] = vqtbl1q_u8(samples, permute_tbl.val[0]); |
| // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } |
| permuted_samples[1] = vqtbl1q_u8(samples, permute_tbl.val[1]); |
| |
| // First 4 output values. |
| sum = vusdotq_lane_s32(round_offset, permuted_samples[0], x_filter, 0); |
| sum = vusdotq_lane_s32(sum, permuted_samples[1], x_filter, 1); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| return vreinterpret_u16_s16(vshrn_n_s32(sum, ROUND0_BITS - 1)); |
| } |
| |
| static INLINE uint16x8_t convolve8_8_x(uint8x16_t samples, |
| const int8x8_t x_filter, |
| const uint8x16x3_t permute_tbl, |
| const int32x4_t round_offset) { |
| uint8x16_t permuted_samples[3]; |
| int32x4_t sum[2]; |
| |
| // Permute samples ready for dot product. |
| // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } |
| permuted_samples[0] = vqtbl1q_u8(samples, permute_tbl.val[0]); |
| // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } |
| permuted_samples[1] = vqtbl1q_u8(samples, permute_tbl.val[1]); |
| // { 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 } |
| permuted_samples[2] = vqtbl1q_u8(samples, permute_tbl.val[2]); |
| |
| // First 4 output values. |
| sum[0] = vusdotq_lane_s32(round_offset, permuted_samples[0], x_filter, 0); |
| sum[0] = vusdotq_lane_s32(sum[0], permuted_samples[1], x_filter, 1); |
| // Second 4 output values. |
| sum[1] = vusdotq_lane_s32(round_offset, permuted_samples[1], x_filter, 0); |
| sum[1] = vusdotq_lane_s32(sum[1], permuted_samples[2], x_filter, 1); |
| |
| // Narrow and re-pack. |
| // We halved the convolution filter values so -1 from the right shift. |
| int16x8_t res = vcombine_s16(vshrn_n_s32(sum[0], ROUND0_BITS - 1), |
| vshrn_n_s32(sum[1], ROUND0_BITS - 1)); |
| return vreinterpretq_u16_s16(res); |
| } |
| |
| 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) { |
| 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); |
| // 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 int32x4_t round_offset_shim = vdupq_n_s32( |
| (round_offset << (ROUND0_BITS - 1)) + (1 << ((ROUND0_BITS - 1) - 1))); |
| |
| const int do_average = conv_params->do_average; |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| 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); |
| // Filter values are even, so downshift by 1 to reduce intermediate precision |
| // requirements. |
| const int8x8_t x_filter = vshrn_n_s16(vld1q_s16(x_filter_ptr), 1); |
| |
| 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) { |
| const uint8x16x2_t permute_tbl = vld1q_u8_x2(dot_prod_permute_tbl); |
| |
| do { |
| uint8x16_t s0, s1, s2, s3; |
| uint16x4_t d0, d1, d2, d3, dd0, dd1, dd2, dd3; |
| uint8x8_t d01_u8, d23_u8; |
| |
| load_u8_16x4(src_ptr, src_stride, &s0, &s1, &s2, &s3); |
| |
| d0 = convolve8_4_x(s0, x_filter, permute_tbl, round_offset_shim); |
| d1 = convolve8_4_x(s1, x_filter, permute_tbl, round_offset_shim); |
| d2 = convolve8_4_x(s2, x_filter, permute_tbl, round_offset_shim); |
| d3 = convolve8_4_x(s3, x_filter, permute_tbl, round_offset_shim); |
| |
| if (do_average) { |
| load_u16_4x4(dst_ptr, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d01_u8, &d23_u8); |
| |
| store_u8_4x1(dst8_ptr + 0 * dst8_stride, d01_u8, 0); |
| store_u8_4x1(dst8_ptr + 1 * dst8_stride, d01_u8, 1); |
| store_u8_4x1(dst8_ptr + 2 * dst8_stride, d23_u8, 0); |
| store_u8_4x1(dst8_ptr + 3 * dst8_stride, d23_u8, 1); |
| } else { |
| store_u16_4x4(dst_ptr, dst_stride, d0, d1, d2, d3); |
| } |
| |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| dst8_ptr += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } else { |
| const uint8x16x3_t permute_tbl = vld1q_u8_x3(dot_prod_permute_tbl); |
| |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int width = w; |
| |
| do { |
| uint8x16_t s0, s1, s2, s3; |
| uint16x8_t d0, d1, d2, d3, dd0, dd1, dd2, dd3; |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| |
| load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3); |
| |
| d0 = convolve8_8_x(s0, x_filter, permute_tbl, round_offset_shim); |
| d1 = convolve8_8_x(s1, x_filter, permute_tbl, round_offset_shim); |
| d2 = convolve8_8_x(s2, x_filter, permute_tbl, round_offset_shim); |
| d3 = convolve8_8_x(s3, x_filter, permute_tbl, round_offset_shim); |
| |
| if (do_average) { |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d0_u8, &d1_u8, &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| } else { |
| store_u16_8x4(d, dst_stride, d0, d1, d2, d3); |
| } |
| |
| s += 8; |
| d += 8; |
| d_u8 += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| dst8_ptr += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } |
| } |
| |
| #elif defined(__aarch64__) && defined(__ARM_FEATURE_DOTPROD) |
| |
| static INLINE uint16x4_t convolve8_4_x(uint8x16_t samples, |
| const int8x8_t x_filter, |
| const int32x4_t correction, |
| const uint8x16_t range_limit, |
| const uint8x16x2_t permute_tbl) { |
| int8x16_t clamped_samples, permuted_samples[2]; |
| int32x4_t sum; |
| |
| // Clamp sample range to [-128, 127] for 8-bit signed dot product. |
| clamped_samples = vreinterpretq_s8_u8(vsubq_u8(samples, range_limit)); |
| |
| // Permute samples ready for dot product. |
| // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } |
| permuted_samples[0] = vqtbl1q_s8(clamped_samples, permute_tbl.val[0]); |
| // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } |
| permuted_samples[1] = vqtbl1q_s8(clamped_samples, permute_tbl.val[1]); |
| |
| // Accumulate dot product into 'correction' to account for range clamp. |
| sum = vdotq_lane_s32(correction, permuted_samples[0], x_filter, 0); |
| sum = vdotq_lane_s32(sum, permuted_samples[1], x_filter, 1); |
| |
| // We halved the convolution filter values so -1 from the right shift. |
| return vreinterpret_u16_s16(vshrn_n_s32(sum, ROUND0_BITS - 1)); |
| } |
| |
| static INLINE uint16x8_t convolve8_8_x(uint8x16_t samples, |
| const int8x8_t x_filter, |
| const int32x4_t correction, |
| const uint8x16_t range_limit, |
| const uint8x16x3_t permute_tbl) { |
| int8x16_t clamped_samples, permuted_samples[3]; |
| int32x4_t sum[2]; |
| |
| // Clamp sample range to [-128, 127] for 8-bit signed dot product. |
| clamped_samples = vreinterpretq_s8_u8(vsubq_u8(samples, range_limit)); |
| |
| // Permute samples ready for dot product. */ |
| // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } |
| permuted_samples[0] = vqtbl1q_s8(clamped_samples, permute_tbl.val[0]); |
| // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } |
| permuted_samples[1] = vqtbl1q_s8(clamped_samples, permute_tbl.val[1]); |
| // { 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 } |
| permuted_samples[2] = vqtbl1q_s8(clamped_samples, permute_tbl.val[2]); |
| |
| // Accumulate dot product into 'correction' to account for range clamp. |
| // First 4 output values. |
| sum[0] = vdotq_lane_s32(correction, permuted_samples[0], x_filter, 0); |
| sum[0] = vdotq_lane_s32(sum[0], permuted_samples[1], x_filter, 1); |
| // Second 4 output values. |
| sum[1] = vdotq_lane_s32(correction, permuted_samples[1], x_filter, 0); |
| sum[1] = vdotq_lane_s32(sum[1], permuted_samples[2], x_filter, 1); |
| |
| // Narrow and re-pack. |
| // We halved the convolution filter values so -1 from the right shift. |
| int16x8_t res = vcombine_s16(vshrn_n_s32(sum[0], ROUND0_BITS - 1), |
| vshrn_n_s32(sum[1], ROUND0_BITS - 1)); |
| return vreinterpretq_u16_s16(res); |
| } |
| |
| 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) { |
| 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 int do_average = conv_params->do_average; |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| 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); |
| // Filter values are even, so downshift by 1 to reduce intermediate precision |
| // requirements. |
| const int8x8_t x_filter = vshrn_n_s16(vld1q_s16(x_filter_ptr), 1); |
| |
| // Dot-product constants and other shims. |
| const uint8x16_t range_limit = vdupq_n_u8(128); |
| const int32_t correction_s32 = vaddlvq_s16(vshll_n_s8(x_filter, 7)); |
| // Fold round_offset into the dot-product filter correction constant. The |
| // additional 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.) |
| int32x4_t correction = |
| vdupq_n_s32(correction_s32 + (round_offset << (ROUND0_BITS - 1)) + |
| (1 << ((ROUND0_BITS - 1) - 1))); |
| |
| 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) { |
| const uint8x16x2_t permute_tbl = vld1q_u8_x2(dot_prod_permute_tbl); |
| |
| do { |
| uint8x16_t s0, s1, s2, s3; |
| uint16x4_t d0, d1, d2, d3, dd0, dd1, dd2, dd3; |
| uint8x8_t d01_u8, d23_u8; |
| |
| load_u8_16x4(src_ptr, src_stride, &s0, &s1, &s2, &s3); |
| |
| d0 = convolve8_4_x(s0, x_filter, correction, range_limit, permute_tbl); |
| d1 = convolve8_4_x(s1, x_filter, correction, range_limit, permute_tbl); |
| d2 = convolve8_4_x(s2, x_filter, correction, range_limit, permute_tbl); |
| d3 = convolve8_4_x(s3, x_filter, correction, range_limit, permute_tbl); |
| |
| if (do_average) { |
| load_u16_4x4(dst_ptr, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d01_u8, &d23_u8); |
| |
| store_u8_4x1(dst8_ptr + 0 * dst8_stride, d01_u8, 0); |
| store_u8_4x1(dst8_ptr + 1 * dst8_stride, d01_u8, 1); |
| store_u8_4x1(dst8_ptr + 2 * dst8_stride, d23_u8, 0); |
| store_u8_4x1(dst8_ptr + 3 * dst8_stride, d23_u8, 1); |
| } else { |
| store_u16_4x4(dst_ptr, dst_stride, d0, d1, d2, d3); |
| } |
| |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| dst8_ptr += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } else { |
| const uint8x16x3_t permute_tbl = vld1q_u8_x3(dot_prod_permute_tbl); |
| |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int width = w; |
| |
| do { |
| uint8x16_t s0, s1, s2, s3; |
| uint16x8_t d0, d1, d2, d3, dd0, dd1, dd2, dd3; |
| uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; |
| |
| load_u8_16x4(s, src_stride, &s0, &s1, &s2, &s3); |
| |
| d0 = convolve8_8_x(s0, x_filter, correction, range_limit, permute_tbl); |
| d1 = convolve8_8_x(s1, x_filter, correction, range_limit, permute_tbl); |
| d2 = convolve8_8_x(s2, x_filter, correction, range_limit, permute_tbl); |
| d3 = convolve8_8_x(s3, x_filter, correction, range_limit, permute_tbl); |
| |
| if (do_average) { |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d0_u8, &d1_u8, &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| } else { |
| store_u16_8x4(d, dst_stride, d0, d1, d2, d3); |
| } |
| |
| s += 8; |
| d += 8; |
| d_u8 += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| dst8_ptr += 4 * dst8_stride; |
| height -= 4; |
| } while (height != 0); |
| } |
| } |
| |
| #else // !(defined(__aarch64__) && defined(__ARM_FEATURE_DOTPROD)) |
| |
| static INLINE uint16x4_t convolve8_4_x(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 x_filter, |
| const int16x4_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); |
| |
| int16x4_t sum = vmul_lane_s16(s0, x_filter_0_3, 0); |
| sum = vmla_lane_s16(sum, s1, x_filter_0_3, 1); |
| sum = vmla_lane_s16(sum, s2, x_filter_0_3, 2); |
| sum = vmla_lane_s16(sum, s3, x_filter_0_3, 3); |
| sum = vmla_lane_s16(sum, s4, x_filter_4_7, 0); |
| sum = vmla_lane_s16(sum, s5, x_filter_4_7, 1); |
| sum = vmla_lane_s16(sum, s6, x_filter_4_7, 2); |
| sum = vmla_lane_s16(sum, s7, x_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_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); |
| } |
| |
| 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) { |
| 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 int do_average = conv_params->do_average; |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| 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); |
| // Filter values are even, so downshift by 1 to reduce intermediate precision |
| // requirements. |
| const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); |
| |
| 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; |
| const uint8_t *s; |
| uint8_t *d_u8; |
| CONV_BUF_TYPE *d; |
| int width; |
| int height = h; |
| |
| uint8x8_t t0; |
| #if defined(__aarch64__) |
| uint8x8_t t1, t2, t3, t4, t5, t6, t7; |
| #endif // defined(__aarch64__) |
| |
| if ((w == 4) || (h == 4)) { |
| int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8; |
| uint16x4_t d0, dd0; |
| uint8x8_t d01; |
| #if defined(__aarch64__) |
| int16x4_t s9, s10; |
| uint16x4_t d1, d2, d3, dd1, dd2, dd3; |
| uint8x8_t d23; |
| #endif // defined(__aarch64__) |
| |
| do { |
| d = dst_ptr; |
| d_u8 = dst8_ptr; |
| width = w; |
| |
| __builtin_prefetch(src_ptr + 0 * src_stride); |
| #if defined(__aarch64__) |
| __builtin_prefetch(src_ptr + 1 * src_stride); |
| __builtin_prefetch(src_ptr + 2 * src_stride); |
| __builtin_prefetch(src_ptr + 3 * src_stride); |
| |
| load_u8_8x4(src_ptr, src_stride, &t0, &t1, &t2, &t3); |
| transpose_u8_8x4(&t0, &t1, &t2, &t3); |
| |
| s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| s1 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t1))); |
| s2 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t2))); |
| s3 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t3))); |
| s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| s5 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t1))); |
| s6 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t2))); |
| |
| __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 = src_ptr + 7; |
| |
| do { |
| load_unaligned_u8_4x4(s, src_stride, &t0, &t1); |
| transpose_u8_4x4(&t0, &t1); |
| |
| s7 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| s8 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t1))); |
| s9 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| s10 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t1))); |
| |
| d0 = convolve8_4_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| vget_low_s16(round_offset_vec)); |
| d1 = convolve8_4_x(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, |
| vget_low_s16(round_offset_vec)); |
| d2 = convolve8_4_x(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, |
| vget_low_s16(round_offset_vec)); |
| d3 = convolve8_4_x(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| transpose_u16_4x4d(&d0, &d1, &d2, &d3); |
| |
| if (do_average) { |
| __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); |
| |
| load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d01, &d23); |
| |
| store_u8_4x1(d_u8 + 0 * dst8_stride, d01, 0); |
| store_u8_4x1(d_u8 + 1 * dst8_stride, d01, 1); |
| store_u8_4x1(d_u8 + 2 * dst8_stride, d23, 0); |
| store_u8_4x1(d_u8 + 3 * dst8_stride, d23, 1); |
| } else { |
| 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; |
| d += 4; |
| d_u8 += 4; |
| width -= 4; |
| } while (width != 0); |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| dst8_ptr += 4 * dst8_stride; |
| height -= 4; |
| #else // !defined(__aarch64__) |
| t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 |
| s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| |
| __builtin_prefetch(d); |
| |
| s = src_ptr + 8; |
| |
| do { |
| t0 = vld1_u8(s); // a8 a9 a10 a11 |
| s8 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); |
| |
| s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 |
| s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 |
| s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 |
| s5 = vext_s16(s4, s8, 1); // a5 a6 a7 a8 |
| s6 = vext_s16(s4, s8, 2); // a6 a7 a8 a9 |
| s7 = vext_s16(s4, s8, 3); // a7 a8 a9 a10 |
| |
| d0 = convolve8_4_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| if (do_average) { |
| __builtin_prefetch(d); |
| __builtin_prefetch(d_u8); |
| |
| dd0 = vld1_u16(d); |
| |
| compute_avg_4x1(dd0, d0, fwd_offset, bck_offset, |
| vget_low_s16(round_offset_vec), use_dist_wtd_comp_avg, |
| &d01); |
| |
| store_u8_4x1(d_u8, d01, 0); |
| } else { |
| vst1_u16(d, d0); |
| } |
| |
| s0 = s4; |
| s4 = s8; |
| s += 4; |
| d += 4; |
| d_u8 += 4; |
| width -= 4; |
| } while (width != 0); |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| dst8_ptr += dst8_stride; |
| height--; |
| #endif // defined(__aarch64__) |
| } while (height != 0); |
| } else { |
| int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8; |
| uint16x8_t d0, dd0; |
| uint8x8_t d0_u8; |
| |
| do { |
| d = dst_ptr; |
| d_u8 = dst8_ptr; |
| width = w; |
| |
| #if defined(__aarch64__) |
| int16x8_t s9, s10, s11, s12, s13, s14; |
| uint16x8_t d1, d2, d3, d4, d5, d6, d7, dd1, dd2, dd3, dd4, dd5, dd6, dd7; |
| uint8x8_t d1_u8, d2_u8, d3_u8, d4_u8, d5_u8, d6_u8, d7_u8; |
| |
| __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); |
| |
| load_u8_8x8(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| __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); |
| |
| s = src_ptr + 7; |
| |
| do { |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| round_offset_vec); |
| d1 = convolve8_8_x(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, |
| round_offset_vec); |
| d2 = convolve8_8_x(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, |
| round_offset_vec); |
| d3 = convolve8_8_x(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, |
| round_offset_vec); |
| d4 = convolve8_8_x(s4, s5, s6, s7, s8, s9, s10, s11, x_filter, |
| round_offset_vec); |
| d5 = convolve8_8_x(s5, s6, s7, s8, s9, s10, s11, s12, x_filter, |
| round_offset_vec); |
| d6 = convolve8_8_x(s6, s7, s8, s9, s10, s11, s12, s13, x_filter, |
| round_offset_vec); |
| d7 = convolve8_8_x(s7, s8, s9, s10, s11, s12, s13, s14, x_filter, |
| round_offset_vec); |
| |
| transpose_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); |
| |
| if (conv_params->do_average) { |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d0_u8, &d1_u8, &d2_u8, &d3_u8); |
| |
| store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); |
| |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| compute_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &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); |
| } else { |
| 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; |
| 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; |
| #else // !defined(__aarch64__) |
| __builtin_prefetch(src_ptr); |
| |
| t0 = vld1_u8(src_ptr); |
| s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7 |
| |
| __builtin_prefetch(dst_ptr); |
| |
| s = src_ptr + 8; |
| |
| do { |
| t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 |
| s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| |
| s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 |
| s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 |
| s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 |
| s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 |
| s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 |
| s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 |
| s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 |
| |
| d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, |
| round_offset_vec); |
| |
| if (do_average) { |
| dd0 = vld1q_u16(d); |
| |
| compute_avg_8x1(dd0, d0, fwd_offset, bck_offset, round_offset_vec, |
| use_dist_wtd_comp_avg, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| } else { |
| vst1q_u16(d, d0); |
| } |
| |
| 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--; |
| #endif // defined(__aarch64__) |
| } while (height != 0); |
| } |
| } |
| |
| #endif // defined(__aarch64__) && defined(__ARM_FEATURE_DOTPROD) |
| |
| 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_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 int do_average = conv_params->do_average; |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| 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) { |
| int16x4_t s0, s1, s2, s3, s4, s5; |
| uint16x4_t d0, dd0; |
| uint8x8_t t0, t1, t2, t3, t4, d01; |
| #if defined(__aarch64__) |
| int16x4_t s6, s7, s8; |
| uint16x4_t d1, d2, d3, dd1, dd2, dd3; |
| uint8x8_t d23; |
| #endif // defined(__aarch64__) |
| |
| do { |
| const uint8_t *s = src_ptr; |
| CONV_BUF_TYPE *d = dst_ptr; |
| uint8_t *d_u8 = dst8_ptr; |
| int height = h; |
| |
| 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); |
| t4 = load_unaligned_u8_4x1(s + 4 * src_stride); |
| |
| s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); |
| |
| s += 5 * src_stride; |
| |
| do { |
| #if defined(__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); |
| |
| s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| |
| d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, |
| vget_low_s16(round_offset_vec)); |
| d1 = convolve6_4_y(s1, s2, s3, s4, s5, s6, y_filter, |
| vget_low_s16(round_offset_vec)); |
| d2 = convolve6_4_y(s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| d3 = convolve6_4_y(s3, s4, s5, s6, s7, s8, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| if (do_average) { |
| load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d01, &d23); |
| |
| store_u8_4x1(d_u8 + 0 * dst8_stride, d01, 0); |
| store_u8_4x1(d_u8 + 1 * dst8_stride, d01, 1); |
| store_u8_4x1(d_u8 + 2 * dst8_stride, d23, 0); |
| store_u8_4x1(d_u8 + 3 * dst8_stride, d23, 1); |
| } else { |
| 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; |
| d_u8 += 4 * dst8_stride; |
| height -= 4; |
| #else // !defined(__aarch64__) |
| t0 = load_unaligned_u8_4x1(s); |
| s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| |
| d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| if (do_average) { |
| dd0 = vld1_u16(d); |
| |
| compute_avg_4x1(dd0, d0, fwd_offset, bck_offset, |
| vget_low_s16(round_offset_vec), use_dist_wtd_comp_avg, |
| &d01); |
| |
| store_u8_4x1(d_u8, d01, 0); |
| } else { |
| vst1_u16(d, d0); |
| } |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s += src_stride; |
| d += dst_stride; |
| d_u8 += dst8_stride; |
| height--; |
| #endif // defined(__aarch64__) |
| } while (height != 0); |
| src_ptr += 4; |
| dst_ptr += 4; |
| dst8_ptr += 4; |
| width -= 4; |
| } while (width != 0); |
| } else { |
| int16x8_t s0, s1, s2, s3, s4, s5; |
| uint16x8_t d0, dd0; |
| uint8x8_t d0_u8, t0, t1, t2, t3, t4; |
| #if defined(__aarch64__) |
| int16x8_t s6, s7, s8, s9, s10, s11, s12; |
| uint16x8_t d1, d2, d3, d4, d5, d6, d7, dd1, dd2, dd3, dd4, dd5, dd6, dd7; |
| uint8x8_t d1_u8, d2_u8, d3_u8, d4_u8, d5_u8, d6_u8, d7_u8, t5, t6, t7; |
| #endif // defined(__aarch64__) |
| |
| 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; |
| |
| load_u8_8x5(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4); |
| |
| s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| |
| do { |
| #if defined(__aarch64__) |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| s5 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| s6 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| s7 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| s8 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s9 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| s10 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| s11 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| s12 = vreinterpretq_s16_u16(vmovl_u8(t7)); |
| |
| d0 = convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); |
| d1 = convolve6_8_y(s1, s2, s3, s4, s5, s6, y_filter, round_offset_vec); |
| d2 = convolve6_8_y(s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); |
| d3 = convolve6_8_y(s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); |
| d4 = convolve6_8_y(s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); |
| d5 = convolve6_8_y(s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); |
| d6 = |
| convolve6_8_y(s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); |
| d7 = convolve6_8_y(s7, s8, s9, s10, s11, s12, y_filter, |
| round_offset_vec); |
| |
| if (do_average) { |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &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; |
| |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| compute_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &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; |
| } else { |
| 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 // !defined(__aarch64__) |
| s5 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); |
| |
| 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; |
| |
| if (do_average) { |
| dd0 = vld1q_u16(d); |
| |
| compute_avg_8x1(dd0, d0, fwd_offset, bck_offset, round_offset_vec, |
| use_dist_wtd_comp_avg, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| d_u8 += dst8_stride; |
| } else { |
| vst1q_u16(d, d0); |
| } |
| |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // defined(__aarch64__) |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| dst8_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_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 int do_average = conv_params->do_average; |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| 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)) { |
| int16x4_t s0, s1, s2, s3, s4, s5, s6, s7; |
| uint16x4_t d0, dd0; |
| uint8x8_t t0, t1, t2, t3, t4, t5, t6, d01; |
| #if defined(__aarch64__) |
| int16x4_t s8, s9, s10; |
| uint16x4_t d1, d2, d3, dd1, dd2, dd3; |
| uint8x8_t d23; |
| #endif // defined(__aarch64__) |
| |
| 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); |
| |
| 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); |
| t4 = load_unaligned_u8_4x1(s + 4 * src_stride); |
| t5 = load_unaligned_u8_4x1(s + 5 * src_stride); |
| t6 = load_unaligned_u8_4x1(s + 6 * src_stride); |
| |
| s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); |
| s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t5))); |
| 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 defined(__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); |
| |
| s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); |
| s9 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); |
| s10 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); |
| |
| d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| d1 = convolve8_4_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| vget_low_s16(round_offset_vec)); |
| d2 = convolve8_4_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| vget_low_s16(round_offset_vec)); |
| d3 = convolve8_4_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| if (do_average) { |
| __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); |
| |
| load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &d01, &d23); |
| |
| store_u8_4x1(d_u8 + 0 * dst8_stride, d01, 0); |
| store_u8_4x1(d_u8 + 1 * dst8_stride, d01, 1); |
| store_u8_4x1(d_u8 + 2 * dst8_stride, d23, 0); |
| store_u8_4x1(d_u8 + 3 * dst8_stride, d23, 1); |
| } else { |
| 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; |
| d_u8 += 4 * dst8_stride; |
| height -= 4; |
| #else // !defined(__aarch64__) |
| t0 = load_unaligned_u8_4x1(s); |
| s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); |
| |
| d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| vget_low_s16(round_offset_vec)); |
| |
| if (do_average) { |
| __builtin_prefetch(d); |
| |
| dd0 = vld1_u16(d); |
| |
| compute_avg_4x1(dd0, d0, fwd_offset, bck_offset, |
| vget_low_s16(round_offset_vec), use_dist_wtd_comp_avg, |
| &d01); |
| |
| store_u8_4x1(d_u8, d01, 0); |
| } else { |
| vst1_u16(d, d0); |
| } |
| |
| 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 // defined(__aarch64__) |
| } while (height != 0); |
| src_ptr += 4; |
| dst_ptr += 4; |
| dst8_ptr += 4; |
| width -= 4; |
| } while (width != 0); |
| } else { |
| int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; |
| uint16x8_t d0, dd0; |
| uint8x8_t d0_u8, t0, t1, t2, t3, t4, t5, t6; |
| #if defined(__aarch64__) |
| int16x8_t s8, s9, s10, s11, s12, s13, s14; |
| uint16x8_t d1, d2, d3, d4, d5, d6, d7, dd1, dd2, dd3, dd4, dd5, dd6, dd7; |
| uint8x8_t d1_u8, d2_u8, d3_u8, d4_u8, d5_u8, d6_u8, d7_u8, t7; |
| #endif // defined(__aarch64__) |
| |
| 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); |
| load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6); |
| |
| s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| |
| s += 7 * src_stride; |
| |
| do { |
| #if defined(__aarch64__) |
| load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); |
| |
| s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); |
| s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); |
| s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); |
| s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); |
| s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); |
| s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); |
| s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); |
| 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); |
| |
| d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, |
| round_offset_vec); |
| d1 = convolve8_8_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, |
| round_offset_vec); |
| d2 = convolve8_8_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, |
| round_offset_vec); |
| d3 = convolve8_8_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, |
| round_offset_vec); |
| d4 = convolve8_8_y(s4, s5, s6, s7, s8, s9, s10, s11, y_filter, |
| round_offset_vec); |
| d5 = convolve8_8_y(s5, s6, s7, s8, s9, s10, s11, s12, y_filter, |
| round_offset_vec); |
| d6 = convolve8_8_y(s6, s7, s8, s9, s10, s11, s12, s13, y_filter, |
| round_offset_vec); |
| d7 = convolve8_8_y(s7, s8, s9, s10, s11, s12, s13, s14, y_filter, |
| round_offset_vec); |
| |
| if (do_average) { |
| __builtin_prefetch(d + 0 * dst8_stride); |
| __builtin_prefetch(d + 1 * dst8_stride); |
| __builtin_prefetch(d + 2 * dst8_stride); |
| __builtin_prefetch(d + 3 * dst8_stride); |
| |
| load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); |
| |
| compute_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &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; |
| |
| load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); |
| |
| compute_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, |
| bck_offset, round_offset_vec, use_dist_wtd_comp_avg, |
| &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; |
| } else { |
| 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 // !defined(__aarch64__) |
| s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); |
| |
| __builtin_prefetch(dst_ptr); |
| |
| 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; |
| |
| if (do_average) { |
| __builtin_prefetch(d); |
| |
| dd0 = vld1q_u16(d); |
| |
| compute_avg_8x1(dd0, d0, fwd_offset, bck_offset, round_offset_vec, |
| use_dist_wtd_comp_avg, &d0_u8); |
| |
| vst1_u8(d_u8, d0_u8); |
| d_u8 += dst8_stride; |
| } else { |
| vst1q_u16(d, d0); |
| } |
| |
| s += src_stride; |
| d += dst_stride; |
| height--; |
| #endif // defined(__aarch64__) |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| dst8_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) { |
| dist_wtd_convolve_y_6tap_neon(src_ptr + src_stride, src_stride, dst8, |
| dst8_stride, w, h, y_filter, conv_params); |
| } else { |
| dist_wtd_convolve_y_8tap_neon(src_ptr, src_stride, dst8, dst8_stride, w, h, |
| y_filter, conv_params); |
| } |
| } |
