vpx/vpx_dsp/arm/highbd_vpx_convolve_copy_neon.c
Linfeng Zhang d331e7a1c0 Remove get_filter_base() and get_filter_offset() in convolve
so that the convolve functions are independent of table alignment.

Change-Id: Ieab132a30d72c6e75bbe9473544fbe2cf51541ee
2017-09-05 15:22:36 -07:00

102 lines
2.9 KiB
C

/*
* Copyright (c) 2016 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_highbd_convolve_copy_neon(const uint16_t *src, ptrdiff_t src_stride,
uint16_t *dst, ptrdiff_t dst_stride,
const InterpKernel *filter, int x0_q4,
int x_step_q4, int y0_q4, int y_step_q4,
int w, int h, int bd) {
(void)filter;
(void)x0_q4;
(void)x_step_q4;
(void)y0_q4;
(void)y_step_q4;
(void)bd;
if (w < 8) { // copy4
do {
vst1_u16(dst, vld1_u16(src));
src += src_stride;
dst += dst_stride;
vst1_u16(dst, vld1_u16(src));
src += src_stride;
dst += dst_stride;
h -= 2;
} while (h > 0);
} else if (w == 8) { // copy8
do {
vst1q_u16(dst, vld1q_u16(src));
src += src_stride;
dst += dst_stride;
vst1q_u16(dst, vld1q_u16(src));
src += src_stride;
dst += dst_stride;
h -= 2;
} while (h > 0);
} else if (w < 32) { // copy16
do {
vst2q_u16(dst, vld2q_u16(src));
src += src_stride;
dst += dst_stride;
vst2q_u16(dst, vld2q_u16(src));
src += src_stride;
dst += dst_stride;
vst2q_u16(dst, vld2q_u16(src));
src += src_stride;
dst += dst_stride;
vst2q_u16(dst, vld2q_u16(src));
src += src_stride;
dst += dst_stride;
h -= 4;
} while (h > 0);
} else if (w == 32) { // copy32
do {
vst4q_u16(dst, vld4q_u16(src));
src += src_stride;
dst += dst_stride;
vst4q_u16(dst, vld4q_u16(src));
src += src_stride;
dst += dst_stride;
vst4q_u16(dst, vld4q_u16(src));
src += src_stride;
dst += dst_stride;
vst4q_u16(dst, vld4q_u16(src));
src += src_stride;
dst += dst_stride;
h -= 4;
} while (h > 0);
} else { // copy64
do {
vst4q_u16(dst, vld4q_u16(src));
vst4q_u16(dst + 32, vld4q_u16(src + 32));
src += src_stride;
dst += dst_stride;
vst4q_u16(dst, vld4q_u16(src));
vst4q_u16(dst + 32, vld4q_u16(src + 32));
src += src_stride;
dst += dst_stride;
vst4q_u16(dst, vld4q_u16(src));
vst4q_u16(dst + 32, vld4q_u16(src + 32));
src += src_stride;
dst += dst_stride;
vst4q_u16(dst, vld4q_u16(src));
vst4q_u16(dst + 32, vld4q_u16(src + 32));
src += src_stride;
dst += dst_stride;
h -= 4;
} while (h > 0);
}
}