blob: 583d83211448775cddd0002563f794411520faf4 [file] [log] [blame] [edit]
/*
* Copyright (c) 2020, Alliance for Open Media. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <arm_neon.h>
#include "config/aom_dsp_rtcd.h"
void aom_convolve_copy_neon(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride, int w, int h) {
const uint8_t *src1;
uint8_t *dst1;
int y;
if (!(w & 0x0F)) {
for (y = 0; y < h; ++y) {
src1 = src;
dst1 = dst;
for (int x = 0; x < (w >> 4); ++x) {
vst1q_u8(dst1, vld1q_u8(src1));
src1 += 16;
dst1 += 16;
}
src += src_stride;
dst += dst_stride;
}
} else if (!(w & 0x07)) {
for (y = 0; y < h; ++y) {
vst1_u8(dst, vld1_u8(src));
src += src_stride;
dst += dst_stride;
}
} else if (!(w & 0x03)) {
for (y = 0; y < h; ++y) {
vst1_lane_u32((uint32_t *)(dst), vreinterpret_u32_u8(vld1_u8(src)), 0);
src += src_stride;
dst += dst_stride;
}
} else if (!(w & 0x01)) {
for (y = 0; y < h; ++y) {
vst1_lane_u16((uint16_t *)(dst), vreinterpret_u16_u8(vld1_u8(src)), 0);
src += src_stride;
dst += dst_stride;
}
}
}