highbd_variance_neon_dotprod.c (3529B)
1 /* 2 * Copyright (c) 2023 The WebM project authors. All rights reserved. 3 * Copyright (c) 2023, Alliance for Open Media. All rights reserved. 4 * 5 * This source code is subject to the terms of the BSD 2 Clause License and 6 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 7 * was not distributed with this source code in the LICENSE file, you can 8 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 9 * Media Patent License 1.0 was not distributed with this source code in the 10 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 11 */ 12 13 #include <arm_neon.h> 14 15 #include "aom_dsp/arm/sum_neon.h" 16 #include "config/aom_config.h" 17 #include "config/aom_dsp_rtcd.h" 18 19 static inline uint32_t highbd_mse8_8xh_neon_dotprod(const uint16_t *src_ptr, 20 int src_stride, 21 const uint16_t *ref_ptr, 22 int ref_stride, int h, 23 unsigned int *sse) { 24 uint32x4_t sse_u32 = vdupq_n_u32(0); 25 26 int i = h / 2; 27 do { 28 uint16x8_t s0 = vld1q_u16(src_ptr); 29 src_ptr += src_stride; 30 uint16x8_t s1 = vld1q_u16(src_ptr); 31 src_ptr += src_stride; 32 uint16x8_t r0 = vld1q_u16(ref_ptr); 33 ref_ptr += ref_stride; 34 uint16x8_t r1 = vld1q_u16(ref_ptr); 35 ref_ptr += ref_stride; 36 37 uint8x16_t s = vcombine_u8(vmovn_u16(s0), vmovn_u16(s1)); 38 uint8x16_t r = vcombine_u8(vmovn_u16(r0), vmovn_u16(r1)); 39 40 uint8x16_t diff = vabdq_u8(s, r); 41 sse_u32 = vdotq_u32(sse_u32, diff, diff); 42 } while (--i != 0); 43 44 *sse = horizontal_add_u32x4(sse_u32); 45 return *sse; 46 } 47 48 static inline uint32_t highbd_mse8_16xh_neon_dotprod(const uint16_t *src_ptr, 49 int src_stride, 50 const uint16_t *ref_ptr, 51 int ref_stride, int h, 52 unsigned int *sse) { 53 uint32x4_t sse_u32 = vdupq_n_u32(0); 54 55 int i = h; 56 do { 57 uint16x8_t s0 = vld1q_u16(src_ptr); 58 uint16x8_t s1 = vld1q_u16(src_ptr + 8); 59 uint16x8_t r0 = vld1q_u16(ref_ptr); 60 uint16x8_t r1 = vld1q_u16(ref_ptr + 8); 61 62 uint8x16_t s = vcombine_u8(vmovn_u16(s0), vmovn_u16(s1)); 63 uint8x16_t r = vcombine_u8(vmovn_u16(r0), vmovn_u16(r1)); 64 65 uint8x16_t diff = vabdq_u8(s, r); 66 sse_u32 = vdotq_u32(sse_u32, diff, diff); 67 68 src_ptr += src_stride; 69 ref_ptr += ref_stride; 70 } while (--i != 0); 71 72 *sse = horizontal_add_u32x4(sse_u32); 73 return *sse; 74 } 75 76 #define HIGHBD_MSE_WXH_NEON_DOTPROD(w, h) \ 77 uint32_t aom_highbd_8_mse##w##x##h##_neon_dotprod( \ 78 const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \ 79 int ref_stride, uint32_t *sse) { \ 80 uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \ 81 uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \ 82 highbd_mse8_##w##xh_neon_dotprod(src, src_stride, ref, ref_stride, h, \ 83 sse); \ 84 return *sse; \ 85 } 86 87 HIGHBD_MSE_WXH_NEON_DOTPROD(16, 16) 88 HIGHBD_MSE_WXH_NEON_DOTPROD(16, 8) 89 HIGHBD_MSE_WXH_NEON_DOTPROD(8, 16) 90 HIGHBD_MSE_WXH_NEON_DOTPROD(8, 8) 91 92 #undef HIGHBD_MSE_WXH_NEON_DOTPROD