94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2014 The WebM project authors. 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 "./vpx_dsp_rtcd.h"
|
|
#include "vpx/vpx_integer.h"
|
|
|
|
void vpx_convolve_copy_neon(
|
|
const uint8_t *src, // r0
|
|
ptrdiff_t src_stride, // r1
|
|
uint8_t *dst, // r2
|
|
ptrdiff_t dst_stride, // r3
|
|
const int16_t *filter_x,
|
|
int filter_x_stride,
|
|
const int16_t *filter_y,
|
|
int filter_y_stride,
|
|
int w,
|
|
int h) {
|
|
uint8x8_t d0u8, d2u8;
|
|
uint8x16_t q0u8, q1u8, q2u8, q3u8;
|
|
(void)filter_x; (void)filter_x_stride;
|
|
(void)filter_y; (void)filter_y_stride;
|
|
|
|
if (w > 32) { // copy64
|
|
for (; h > 0; h--) {
|
|
q0u8 = vld1q_u8(src);
|
|
q1u8 = vld1q_u8(src + 16);
|
|
q2u8 = vld1q_u8(src + 32);
|
|
q3u8 = vld1q_u8(src + 48);
|
|
src += src_stride;
|
|
|
|
vst1q_u8(dst, q0u8);
|
|
vst1q_u8(dst + 16, q1u8);
|
|
vst1q_u8(dst + 32, q2u8);
|
|
vst1q_u8(dst + 48, q3u8);
|
|
dst += dst_stride;
|
|
}
|
|
} else if (w == 32) { // copy32
|
|
for (; h > 0; h -= 2) {
|
|
q0u8 = vld1q_u8(src);
|
|
q1u8 = vld1q_u8(src + 16);
|
|
src += src_stride;
|
|
q2u8 = vld1q_u8(src);
|
|
q3u8 = vld1q_u8(src + 16);
|
|
src += src_stride;
|
|
|
|
vst1q_u8(dst, q0u8);
|
|
vst1q_u8(dst + 16, q1u8);
|
|
dst += dst_stride;
|
|
vst1q_u8(dst, q2u8);
|
|
vst1q_u8(dst + 16, q3u8);
|
|
dst += dst_stride;
|
|
}
|
|
} else if (w > 8) { // copy16
|
|
for (; h > 0; h -= 2) {
|
|
q0u8 = vld1q_u8(src);
|
|
src += src_stride;
|
|
q1u8 = vld1q_u8(src);
|
|
src += src_stride;
|
|
|
|
vst1q_u8(dst, q0u8);
|
|
dst += dst_stride;
|
|
vst1q_u8(dst, q1u8);
|
|
dst += dst_stride;
|
|
}
|
|
} else if (w == 8) { // copy8
|
|
for (; h > 0; h -= 2) {
|
|
d0u8 = vld1_u8(src);
|
|
src += src_stride;
|
|
d2u8 = vld1_u8(src);
|
|
src += src_stride;
|
|
|
|
vst1_u8(dst, d0u8);
|
|
dst += dst_stride;
|
|
vst1_u8(dst, d2u8);
|
|
dst += dst_stride;
|
|
}
|
|
} else { // copy4
|
|
for (; h > 0; h--) {
|
|
*(uint32_t *)dst = *(const uint32_t *)src;
|
|
src += src_stride;
|
|
dst += dst_stride;
|
|
}
|
|
}
|
|
return;
|
|
}
|