| /* |
| * Copyright (c) 2023 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 <assert.h> |
| |
| #include "./vpx_dsp_rtcd.h" |
| #include "./vpx_config.h" |
| |
| void vpx_highbd_comp_avg_pred_neon(uint16_t *comp_pred, const uint16_t *pred, |
| int width, int height, const uint16_t *ref, |
| int ref_stride) { |
| int i = height; |
| if (width > 8) { |
| do { |
| int j = 0; |
| do { |
| const uint16x8_t p = vld1q_u16(pred + j); |
| const uint16x8_t r = vld1q_u16(ref + j); |
| |
| uint16x8_t avg = vrhaddq_u16(p, r); |
| vst1q_u16(comp_pred + j, avg); |
| |
| j += 8; |
| } while (j < width); |
| |
| comp_pred += width; |
| pred += width; |
| ref += ref_stride; |
| } while (--i != 0); |
| } else if (width == 8) { |
| do { |
| const uint16x8_t p = vld1q_u16(pred); |
| const uint16x8_t r = vld1q_u16(ref); |
| |
| uint16x8_t avg = vrhaddq_u16(p, r); |
| vst1q_u16(comp_pred, avg); |
| |
| comp_pred += width; |
| pred += width; |
| ref += ref_stride; |
| } while (--i != 0); |
| } else { |
| assert(width == 4); |
| do { |
| const uint16x4_t p = vld1_u16(pred); |
| const uint16x4_t r = vld1_u16(ref); |
| |
| uint16x4_t avg = vrhadd_u16(p, r); |
| vst1_u16(comp_pred, avg); |
| |
| comp_pred += width; |
| pred += width; |
| ref += ref_stride; |
| } while (--i != 0); |
| } |
| } |