/*
* Copyright (c) 2024, 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 <stdbool.h>
#include <arm_neon_sve_bridge.h>
#include "aom_dsp/aom_dsp_common.h"
#include "aom_dsp/arm/aom_neon_sve_bridge.h"
#include "aom_dsp/arm/mem_neon.h"
#include "aom_dsp/arm/transpose_neon.h"
#include "aom_ports/mem.h"
#include "av1/common/scale.h"
#include "av1/common/warped_motion.h"
#include "config/av1_rtcd.h"
#include "highbd_warp_plane_neon.h"
static AOM_FORCE_INLINE int16x8_t
highbd_horizontal_filter_4x1_f4(int16x8_t rv0, int16x8_t rv1, int16x8_t rv2,
int16x8_t rv3,
int bd,
int sx,
int alpha) {
int16x8_t f[4];
load_filters_4(f, sx, alpha);
int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), rv0, f[0]);
int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), rv1, f[1]);
int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), rv2, f[2]);
int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), rv3, f[3]);
int64x2_t m01 = vpaddq_s64(m0, m1);
int64x2_t m23 = vpaddq_s64(m2, m3);
const int round0 = bd == 12 ? ROUND0_BITS + 2 : ROUND0_BITS;
const int offset_bits_horiz = bd + FILTER_BITS - 1;
int32x4_t res = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23));
res = vaddq_s32(res, vdupq_n_s32(1 << offset_bits_horiz));
res = vrshlq_s32(res, vdupq_n_s32(-round0));
return vcombine_s16(vmovn_s32(res), vdup_n_s16(0));
}
static AOM_FORCE_INLINE int16x8_t highbd_horizontal_filter_8x1_f8(
int16x8_t rv0, int16x8_t rv1, int16x8_t rv2, int16x8_t rv3, int16x8_t rv4,
int16x8_t rv5, int16x8_t rv6, int16x8_t rv7,
int bd,
int sx,
int alpha) {
int16x8_t f[8];
load_filters_8(f, sx, alpha);
int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), rv0, f[0]);
int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), rv1, f[1]);
int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), rv2, f[2]);
int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), rv3, f[3]);
int64x2_t m4 = aom_sdotq_s16(vdupq_n_s64(0), rv4, f[4]);
int64x2_t m5 = aom_sdotq_s16(vdupq_n_s64(0), rv5, f[5]);
int64x2_t m6 = aom_sdotq_s16(vdupq_n_s64(0), rv6, f[6]);
int64x2_t m7 = aom_sdotq_s16(vdupq_n_s64(0), rv7, f[7]);
int64x2_t m01 = vpaddq_s64(m0, m1);
int64x2_t m23 = vpaddq_s64(m2, m3);
int64x2_t m45 = vpaddq_s64(m4, m5);
int64x2_t m67 = vpaddq_s64(m6, m7);
const int round0 = bd == 12 ? ROUND0_BITS + 2 : ROUND0_BITS;
const int offset_bits_horiz = bd + FILTER_BITS - 1;
int32x4_t res0 = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23));
int32x4_t res1 = vcombine_s32(vmovn_s64(m45), vmovn_s64(m67));
res0 = vaddq_s32(res0, vdupq_n_s32(1 << offset_bits_horiz));
res1 = vaddq_s32(res1, vdupq_n_s32(1 << offset_bits_horiz));
res0 = vrshlq_s32(res0, vdupq_n_s32(-round0));
res1 = vrshlq_s32(res1, vdupq_n_s32(-round0));
return vcombine_s16(vmovn_s32(res0), vmovn_s32(res1));
}
static AOM_FORCE_INLINE int16x8_t
highbd_horizontal_filter_4x1_f1(int16x8_t rv0, int16x8_t rv1, int16x8_t rv2,
int16x8_t rv3,
int bd,
int sx) {
int16x8_t f = load_filters_1(sx);
int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), rv0, f);
int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), rv1, f);
int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), rv2, f);
int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), rv3, f);
int64x2_t m01 = vpaddq_s64(m0, m1);
int64x2_t m23 = vpaddq_s64(m2, m3);
const int round0 = bd == 12 ? ROUND0_BITS + 2 : ROUND0_BITS;
const int offset_bits_horiz = bd + FILTER_BITS - 1;
int32x4_t res = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23));
res = vaddq_s32(res, vdupq_n_s32(1 << offset_bits_horiz));
res = vrshlq_s32(res, vdupq_n_s32(-round0));
return vcombine_s16(vmovn_s32(res), vdup_n_s16(0));
}
static AOM_FORCE_INLINE int16x8_t highbd_horizontal_filter_8x1_f1(
int16x8_t rv0, int16x8_t rv1, int16x8_t rv2, int16x8_t rv3, int16x8_t rv4,
int16x8_t rv5, int16x8_t rv6, int16x8_t rv7,
int bd,
int sx) {
int16x8_t f = load_filters_1(sx);
int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), rv0, f);
int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), rv1, f);
int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), rv2, f);
int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), rv3, f);
int64x2_t m4 = aom_sdotq_s16(vdupq_n_s64(0), rv4, f);
int64x2_t m5 = aom_sdotq_s16(vdupq_n_s64(0), rv5, f);
int64x2_t m6 = aom_sdotq_s16(vdupq_n_s64(0), rv6, f);
int64x2_t m7 = aom_sdotq_s16(vdupq_n_s64(0), rv7, f);
int64x2_t m01 = vpaddq_s64(m0, m1);
int64x2_t m23 = vpaddq_s64(m2, m3);
int64x2_t m45 = vpaddq_s64(m4, m5);
int64x2_t m67 = vpaddq_s64(m6, m7);
const int round0 = bd == 12 ? ROUND0_BITS + 2 : ROUND0_BITS;
const int offset_bits_horiz = bd + FILTER_BITS - 1;
int32x4_t res0 = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23));
int32x4_t res1 = vcombine_s32(vmovn_s64(m45), vmovn_s64(m67));
res0 = vaddq_s32(res0, vdupq_n_s32(1 << offset_bits_horiz));
res1 = vaddq_s32(res1, vdupq_n_s32(1 << offset_bits_horiz));
res0 = vrshlq_s32(res0, vdupq_n_s32(-round0));
res1 = vrshlq_s32(res1, vdupq_n_s32(-round0));
return vcombine_s16(vmovn_s32(res0), vmovn_s32(res1));
}
static AOM_FORCE_INLINE int32x4_t vertical_filter_4x1_f1(
const int16x8_t *tmp,
int sy) {
const int16x8_t f = load_filters_1(sy);
const int16x4_t f0123 = vget_low_s16(f);
const int16x4_t f4567 = vget_high_s16(f);
// No benefit to using SDOT here, the cost of rearrangement is too high.
int32x4_t m0123 = vmull_lane_s16(vget_low_s16(tmp[0]), f0123, 0);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[1]), f0123, 1);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[2]), f0123, 2);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[3]), f0123, 3);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[4]), f4567, 0);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[5]), f4567, 1);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[6]), f4567, 2);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[7]), f4567, 3);
return m0123;
}
static AOM_FORCE_INLINE int32x4x2_t vertical_filter_8x1_f1(
const int16x8_t *tmp,
int sy) {
const int16x8_t f = load_filters_1(sy);
const int16x4_t f0123 = vget_low_s16(f);
const int16x4_t f4567 = vget_high_s16(f);
// No benefit to using SDOT here, the cost of rearrangement is too high.
int32x4_t m0123 = vmull_lane_s16(vget_low_s16(tmp[0]), f0123, 0);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[1]), f0123, 1);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[2]), f0123, 2);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[3]), f0123, 3);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[4]), f4567, 0);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[5]), f4567, 1);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[6]), f4567, 2);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(tmp[7]), f4567, 3);
int32x4_t m4567 = vmull_lane_s16(vget_high_s16(tmp[0]), f0123, 0);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(tmp[1]), f0123, 1);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(tmp[2]), f0123, 2);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(tmp[3]), f0123, 3);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(tmp[4]), f4567, 0);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(tmp[5]), f4567, 1);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(tmp[6]), f4567, 2);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(tmp[7]), f4567, 3);
return (int32x4x2_t){ { m0123, m4567 } };
}
static AOM_FORCE_INLINE int32x4_t vertical_filter_4x1_f4(
const int16x8_t *tmp,
int sy,
int gamma) {
int16x8_t s0, s1, s2, s3;
transpose_elems_s16_4x8(
vget_low_s16(tmp[0]), vget_low_s16(tmp[1]), vget_low_s16(tmp[2]),
vget_low_s16(tmp[3]), vget_low_s16(tmp[4]), vget_low_s16(tmp[5]),
vget_low_s16(tmp[6]), vget_low_s16(tmp[7]), &s0, &s1, &s2, &s3);
int16x8_t f[4];
load_filters_4(f, sy, gamma);
int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), s0, f[0]);
int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), s1, f[1]);
int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), s2, f[2]);
int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), s3, f[3]);
int64x2_t m01 = vpaddq_s64(m0, m1);
int64x2_t m23 = vpaddq_s64(m2, m3);
return vcombine_s32(vmovn_s64(m01), vmovn_s64(m23));
}
static AOM_FORCE_INLINE int32x4x2_t vertical_filter_8x1_f8(
const int16x8_t *tmp,
int sy,
int gamma) {
int16x8_t s0 = tmp[0];
int16x8_t s1 = tmp[1];
int16x8_t s2 = tmp[2];
int16x8_t s3 = tmp[3];
int16x8_t s4 = tmp[4];
int16x8_t s5 = tmp[5];
int16x8_t s6 = tmp[6];
int16x8_t s7 = tmp[7];
transpose_elems_inplace_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
int16x8_t f[8];
load_filters_8(f, sy, gamma);
int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), s0, f[0]);
int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), s1, f[1]);
int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), s2, f[2]);
int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), s3, f[3]);
int64x2_t m4 = aom_sdotq_s16(vdupq_n_s64(0), s4, f[4]);
int64x2_t m5 = aom_sdotq_s16(vdupq_n_s64(0), s5, f[5]);
int64x2_t m6 = aom_sdotq_s16(vdupq_n_s64(0), s6, f[6]);
int64x2_t m7 = aom_sdotq_s16(vdupq_n_s64(0), s7, f[7]);
int64x2_t m01 = vpaddq_s64(m0, m1);
int64x2_t m23 = vpaddq_s64(m2, m3);
int64x2_t m45 = vpaddq_s64(m4, m5);
int64x2_t m67 = vpaddq_s64(m6, m7);
int32x4x2_t ret;
ret.val[0] = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23));
ret.val[1] = vcombine_s32(vmovn_s64(m45), vmovn_s64(m67));
return ret;
}
void av1_highbd_warp_affine_sve(
const int32_t *mat,
const uint16_t *ref,
int width,
int height,
int stride,
uint16_t *pred,
int p_col,
int p_row,
int p_width,
int p_height,
int p_stride,
int subsampling_x,
int subsampling_y,
int bd,
ConvolveParams *conv_params, int16_t alpha,
int16_t beta, int16_t gamma, int16_t delta) {
highbd_warp_affine_common(mat, ref, width, height, stride, pred, p_col, p_row,
p_width, p_height, p_stride, subsampling_x,
subsampling_y, bd, conv_params, alpha, beta, gamma,
delta);
}
