ref: 78ba83bb917484336ee782f03adde4a6e5afb626
dir: /vpx_dsp/arm/sad4d_neon.c/
/* * Copyright (c) 2015 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_config.h" #include "./vpx_dsp_rtcd.h" #include "vpx/vpx_integer.h" #include "vpx_dsp/arm/mem_neon.h" #include "vpx_dsp/arm/sum_neon.h" void vpx_sad4x4x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { int i; const uint8x16_t src_u8 = load_unaligned_u8q(src, src_stride); for (i = 0; i < 4; ++i) { const uint8x16_t ref_u8 = load_unaligned_u8q(ref[i], ref_stride); uint16x8_t abs = vabdl_u8(vget_low_u8(src_u8), vget_low_u8(ref_u8)); abs = vabal_u8(abs, vget_high_u8(src_u8), vget_high_u8(ref_u8)); res[i] = vget_lane_u32(horizontal_add_uint16x8(abs), 0); } } void vpx_sad4x8x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { int i; const uint8x16_t src_0 = load_unaligned_u8q(src, src_stride); const uint8x16_t src_1 = load_unaligned_u8q(src + 4 * src_stride, src_stride); for (i = 0; i < 4; ++i) { const uint8x16_t ref_0 = load_unaligned_u8q(ref[i], ref_stride); const uint8x16_t ref_1 = load_unaligned_u8q(ref[i] + 4 * ref_stride, ref_stride); uint16x8_t abs = vabdl_u8(vget_low_u8(src_0), vget_low_u8(ref_0)); abs = vabal_u8(abs, vget_high_u8(src_0), vget_high_u8(ref_0)); abs = vabal_u8(abs, vget_low_u8(src_1), vget_low_u8(ref_1)); abs = vabal_u8(abs, vget_high_u8(src_1), vget_high_u8(ref_1)); res[i] = vget_lane_u32(horizontal_add_uint16x8(abs), 0); } } static INLINE void sad8x_4d(const uint8_t *a, int a_stride, const uint8_t *const b[4], int b_stride, uint32_t *result, const int height) { int i, j; uint16x8_t sum[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0) }; const uint8_t *b_loop[4] = { b[0], b[1], b[2], b[3] }; for (i = 0; i < height; ++i) { const uint8x8_t a_u8 = vld1_u8(a); a += a_stride; for (j = 0; j < 4; ++j) { const uint8x8_t b_u8 = vld1_u8(b_loop[j]); b_loop[j] += b_stride; sum[j] = vabal_u8(sum[j], a_u8, b_u8); } } for (j = 0; j < 4; ++j) { result[j] = vget_lane_u32(horizontal_add_uint16x8(sum[j]), 0); } } void vpx_sad8x4x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad8x_4d(src, src_stride, ref, ref_stride, res, 4); } void vpx_sad8x8x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad8x_4d(src, src_stride, ref, ref_stride, res, 8); } void vpx_sad8x16x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad8x_4d(src, src_stride, ref, ref_stride, res, 16); } static INLINE void sad16x_4d(const uint8_t *a, int a_stride, const uint8_t *const b[4], int b_stride, uint32_t *result, const int height) { int i, j; uint16x8_t sum[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0) }; const uint8_t *b_loop[4] = { b[0], b[1], b[2], b[3] }; for (i = 0; i < height; ++i) { const uint8x16_t a_u8 = vld1q_u8(a); a += a_stride; for (j = 0; j < 4; ++j) { const uint8x16_t b_u8 = vld1q_u8(b_loop[j]); b_loop[j] += b_stride; sum[j] = vabal_u8(sum[j], vget_low_u8(a_u8), vget_low_u8(b_u8)); sum[j] = vabal_u8(sum[j], vget_high_u8(a_u8), vget_high_u8(b_u8)); } } for (j = 0; j < 4; ++j) { result[j] = vget_lane_u32(horizontal_add_uint16x8(sum[j]), 0); } } void vpx_sad16x8x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad16x_4d(src, src_stride, ref, ref_stride, res, 8); } void vpx_sad16x16x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad16x_4d(src, src_stride, ref, ref_stride, res, 16); } void vpx_sad16x32x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad16x_4d(src, src_stride, ref, ref_stride, res, 32); } static INLINE void sad32x_4d(const uint8_t *a, int a_stride, const uint8_t *const b[4], int b_stride, uint32_t *result, const int height) { int i, j; uint16x8_t sum[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0) }; const uint8_t *b_loop[4] = { b[0], b[1], b[2], b[3] }; for (i = 0; i < height; ++i) { const uint8x16_t a_0 = vld1q_u8(a); const uint8x16_t a_1 = vld1q_u8(a + 16); a += a_stride; for (j = 0; j < 4; ++j) { const uint8x16_t b_0 = vld1q_u8(b_loop[j]); const uint8x16_t b_1 = vld1q_u8(b_loop[j] + 16); b_loop[j] += b_stride; sum[j] = vabal_u8(sum[j], vget_low_u8(a_0), vget_low_u8(b_0)); sum[j] = vabal_u8(sum[j], vget_high_u8(a_0), vget_high_u8(b_0)); sum[j] = vabal_u8(sum[j], vget_low_u8(a_1), vget_low_u8(b_1)); sum[j] = vabal_u8(sum[j], vget_high_u8(a_1), vget_high_u8(b_1)); } } for (j = 0; j < 4; ++j) { result[j] = vget_lane_u32(horizontal_add_uint16x8(sum[j]), 0); } } void vpx_sad32x16x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad32x_4d(src, src_stride, ref, ref_stride, res, 16); } void vpx_sad32x32x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad32x_4d(src, src_stride, ref, ref_stride, res, 32); } void vpx_sad32x64x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad32x_4d(src, src_stride, ref, ref_stride, res, 64); } static INLINE void sum64x(const uint8x16_t a_0, const uint8x16_t a_1, const uint8x16_t b_0, const uint8x16_t b_1, uint16x8_t *sum) { *sum = vabal_u8(*sum, vget_low_u8(a_0), vget_low_u8(b_0)); *sum = vabal_u8(*sum, vget_high_u8(a_0), vget_high_u8(b_0)); *sum = vabal_u8(*sum, vget_low_u8(a_1), vget_low_u8(b_1)); *sum = vabal_u8(*sum, vget_high_u8(a_1), vget_high_u8(b_1)); } static INLINE void sad64x_4d(const uint8_t *a, int a_stride, const uint8_t *const b[4], int b_stride, uint32_t *result, const int height) { int i; uint16x8_t sum_0 = vdupq_n_u16(0); uint16x8_t sum_1 = vdupq_n_u16(0); uint16x8_t sum_2 = vdupq_n_u16(0); uint16x8_t sum_3 = vdupq_n_u16(0); uint16x8_t sum_4 = vdupq_n_u16(0); uint16x8_t sum_5 = vdupq_n_u16(0); uint16x8_t sum_6 = vdupq_n_u16(0); uint16x8_t sum_7 = vdupq_n_u16(0); const uint8_t *b_loop[4] = { b[0], b[1], b[2], b[3] }; for (i = 0; i < height; ++i) { const uint8x16_t a_0 = vld1q_u8(a); const uint8x16_t a_1 = vld1q_u8(a + 16); const uint8x16_t a_2 = vld1q_u8(a + 32); const uint8x16_t a_3 = vld1q_u8(a + 48); a += a_stride; sum64x(a_0, a_1, vld1q_u8(b_loop[0]), vld1q_u8(b_loop[0] + 16), &sum_0); sum64x(a_2, a_3, vld1q_u8(b_loop[0] + 32), vld1q_u8(b_loop[0] + 48), &sum_1); b_loop[0] += b_stride; sum64x(a_0, a_1, vld1q_u8(b_loop[1]), vld1q_u8(b_loop[1] + 16), &sum_2); sum64x(a_2, a_3, vld1q_u8(b_loop[1] + 32), vld1q_u8(b_loop[1] + 48), &sum_3); b_loop[1] += b_stride; sum64x(a_0, a_1, vld1q_u8(b_loop[2]), vld1q_u8(b_loop[2] + 16), &sum_4); sum64x(a_2, a_3, vld1q_u8(b_loop[2] + 32), vld1q_u8(b_loop[2] + 48), &sum_5); b_loop[2] += b_stride; sum64x(a_0, a_1, vld1q_u8(b_loop[3]), vld1q_u8(b_loop[3] + 16), &sum_6); sum64x(a_2, a_3, vld1q_u8(b_loop[3] + 32), vld1q_u8(b_loop[3] + 48), &sum_7); b_loop[3] += b_stride; } result[0] = vget_lane_u32(horizontal_add_long_uint16x8(sum_0, sum_1), 0); result[1] = vget_lane_u32(horizontal_add_long_uint16x8(sum_2, sum_3), 0); result[2] = vget_lane_u32(horizontal_add_long_uint16x8(sum_4, sum_5), 0); result[3] = vget_lane_u32(horizontal_add_long_uint16x8(sum_6, sum_7), 0); } void vpx_sad64x32x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad64x_4d(src, src_stride, ref, ref_stride, res, 32); } void vpx_sad64x64x4d_neon(const uint8_t *src, int src_stride, const uint8_t *const ref[4], int ref_stride, uint32_t *res) { sad64x_4d(src, src_stride, ref, ref_stride, res, 64); }