blob: c8ee780b5d13412edfa9c3af05de5779aa779fa4 [file] [log] [blame]
/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
* Copyright (c) 2023, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <arm_neon.h>
#include <assert.h>
#include <string.h>
#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
#include "aom/aom_integer.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_dsp/aom_filter.h"
#include "aom_dsp/arm/mem_neon.h"
#include "aom_dsp/arm/transpose_neon.h"
#include "aom_ports/mem.h"
static INLINE int16x4_t convolve8_4(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 filter) {
const int16x4_t filter_lo = vget_low_s16(filter);
const int16x4_t filter_hi = vget_high_s16(filter);
int16x4_t sum;
sum = vmul_lane_s16(s0, filter_lo, 0);
sum = vmla_lane_s16(sum, s1, filter_lo, 1);
sum = vmla_lane_s16(sum, s2, filter_lo, 2);
sum = vmla_lane_s16(sum, s5, filter_hi, 1);
sum = vmla_lane_s16(sum, s6, filter_hi, 2);
sum = vmla_lane_s16(sum, s7, filter_hi, 3);
sum = vqadd_s16(sum, vmul_lane_s16(s3, filter_lo, 3));
sum = vqadd_s16(sum, vmul_lane_s16(s4, filter_hi, 0));
return sum;
}
static INLINE uint8x8_t convolve8_8(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 filter) {
const int16x4_t filter_lo = vget_low_s16(filter);
const int16x4_t filter_hi = vget_high_s16(filter);
int16x8_t sum;
sum = vmulq_lane_s16(s0, filter_lo, 0);
sum = vmlaq_lane_s16(sum, s1, filter_lo, 1);
sum = vmlaq_lane_s16(sum, s2, filter_lo, 2);
sum = vmlaq_lane_s16(sum, s5, filter_hi, 1);
sum = vmlaq_lane_s16(sum, s6, filter_hi, 2);
sum = vmlaq_lane_s16(sum, s7, filter_hi, 3);
sum = vqaddq_s16(sum, vmulq_lane_s16(s3, filter_lo, 3));
sum = vqaddq_s16(sum, vmulq_lane_s16(s4, filter_hi, 0));
return vqrshrun_n_s16(sum, FILTER_BITS);
}
void aom_convolve8_horiz_neon(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride,
const int16_t *filter_x, int x_step_q4,
const int16_t *filter_y, int y_step_q4, int w,
int h) {
const int16x8_t filter = vld1q_s16(filter_x);
assert((intptr_t)dst % 4 == 0);
assert(dst_stride % 4 == 0);
(void)x_step_q4;
(void)filter_y;
(void)y_step_q4;
src -= ((SUBPEL_TAPS / 2) - 1);
if (h == 4) {
uint8x8_t t0, t1, t2, t3, d01, d23;
int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3;
load_u8_8x4(src, src_stride, &t0, &t1, &t2, &t3);
transpose_elems_inplace_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)));
src += 7;
do {
load_u8_8x4(src, src_stride, &t0, &t1, &t2, &t3);
transpose_elems_inplace_u8_8x4(&t0, &t1, &t2, &t3);
s7 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0)));
s8 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t1)));
s9 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t2)));
s10 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t3)));
d0 = convolve8_4(s0, s1, s2, s3, s4, s5, s6, s7, filter);
d1 = convolve8_4(s1, s2, s3, s4, s5, s6, s7, s8, filter);
d2 = convolve8_4(s2, s3, s4, s5, s6, s7, s8, s9, filter);
d3 = convolve8_4(s3, s4, s5, s6, s7, s8, s9, s10, filter);
d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
transpose_elems_inplace_u8_4x4(&d01, &d23);
store_u8_4x1(dst + 0 * dst_stride, d01, 0);
store_u8_4x1(dst + 1 * dst_stride, d23, 0);
store_u8_4x1(dst + 2 * dst_stride, d01, 1);
store_u8_4x1(dst + 3 * dst_stride, d23, 1);
s0 = s4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
s5 = s9;
s6 = s10;
src += 4;
dst += 4;
w -= 4;
} while (w != 0);
} else {
uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7, d0, d1, d2, d3;
int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
if (w == 4) {
do {
load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_elems_inplace_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));
load_u8_8x8(src + 7, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6,
&t7);
transpose_elems_u8_4x8(t0, t1, t2, t3, t4, t5, t6, t7, &t0, &t1, &t2,
&t3);
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));
d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filter);
d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filter);
d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filter);
d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filter);
transpose_elems_inplace_u8_8x4(&d0, &d1, &d2, &d3);
store_u8_4x1(dst + 0 * dst_stride, d0, 0);
store_u8_4x1(dst + 1 * dst_stride, d1, 0);
store_u8_4x1(dst + 2 * dst_stride, d2, 0);
store_u8_4x1(dst + 3 * dst_stride, d3, 0);
store_u8_4x1(dst + 4 * dst_stride, d0, 1);
store_u8_4x1(dst + 5 * dst_stride, d1, 1);
store_u8_4x1(dst + 6 * dst_stride, d2, 1);
store_u8_4x1(dst + 7 * dst_stride, d3, 1);
src += 8 * src_stride;
dst += 8 * dst_stride;
h -= 8;
} while (h > 0);
} else {
uint8x8_t d4, d5, d6, d7;
int16x8_t s11, s12, s13, s14;
int width;
const uint8_t *s;
uint8_t *d;
do {
load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_elems_inplace_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 = dst;
do {
load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6,
&t7);
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(s0, s1, s2, s3, s4, s5, s6, s7, filter);
d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filter);
d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filter);
d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filter);
d4 = convolve8_8(s4, s5, s6, s7, s8, s9, s10, s11, filter);
d5 = convolve8_8(s5, s6, s7, s8, s9, s10, s11, s12, filter);
d6 = convolve8_8(s6, s7, s8, s9, s10, s11, s12, s13, filter);
d7 = convolve8_8(s7, s8, s9, s10, s11, s12, s13, s14, filter);
transpose_elems_inplace_u8_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6,
&d7);
store_u8_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7);
s0 = s8;
s1 = s9;
s2 = s10;
s3 = s11;
s4 = s12;
s5 = s13;
s6 = s14;
s += 8;
d += 8;
width -= 8;
} while (width != 0);
src += 8 * src_stride;
dst += 8 * dst_stride;
h -= 8;
} while (h > 0);
}
}
}
void aom_convolve8_vert_neon(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride,
const int16_t *filter_x, int x_step_q4,
const int16_t *filter_y, int y_step_q4, int w,
int h) {
const int16x8_t filter = vld1q_s16(filter_y);
assert((intptr_t)dst % 4 == 0);
assert(dst_stride % 4 == 0);
(void)filter_x;
(void)x_step_q4;
(void)y_step_q4;
src -= ((SUBPEL_TAPS / 2) - 1) * src_stride;
if (w == 4) {
uint8x8_t t0, t1, t2, t3, t4, t5, t6, d01, d23;
int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, d0, d1, d2, d3;
load_u8_8x7(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6);
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_low_s16(vreinterpretq_s16_u16(vmovl_u8(t4)));
s5 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t5)));
s6 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t6)));
src += 7 * src_stride;
do {
load_u8_8x4(src, src_stride, &t0, &t1, &t2, &t3);
s7 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0)));
s8 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t1)));
s9 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t2)));
s10 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t3)));
d0 = convolve8_4(s0, s1, s2, s3, s4, s5, s6, s7, filter);
d1 = convolve8_4(s1, s2, s3, s4, s5, s6, s7, s8, filter);
d2 = convolve8_4(s2, s3, s4, s5, s6, s7, s8, s9, filter);
d3 = convolve8_4(s3, s4, s5, s6, s7, s8, s9, s10, filter);
d01 = vqrshrun_n_s16(vcombine_s16(d0, d1), FILTER_BITS);
d23 = vqrshrun_n_s16(vcombine_s16(d2, d3), FILTER_BITS);
store_u8_4x1(dst + 0 * dst_stride, d01, 0);
store_u8_4x1(dst + 1 * dst_stride, d01, 1);
store_u8_4x1(dst + 2 * dst_stride, d23, 0);
store_u8_4x1(dst + 3 * dst_stride, d23, 1);
s0 = s4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
s5 = s9;
s6 = s10;
src += 4 * src_stride;
dst += 4 * dst_stride;
h -= 4;
} while (h != 0);
} else {
uint8x8_t t0, t1, t2, t3, t4, t5, t6, d0, d1, d2, d3;
int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
int height;
const uint8_t *s;
uint8_t *d;
do {
load_u8_8x7(src, 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));
height = h;
s = src + 7 * src_stride;
d = dst;
do {
load_u8_8x4(s, src_stride, &t0, &t1, &t2, &t3);
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));
d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filter);
d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filter);
d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filter);
d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filter);
store_u8_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;
} while (height != 0);
src += 8;
dst += 8;
w -= 8;
} while (w != 0);
}
}