| /* |
| * 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_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" |
| |
| uint32_t vpx_sad4x4_neon(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| const uint8x16_t src_u8 = load_unaligned_u8q(src_ptr, src_stride); |
| const uint8x16_t ref_u8 = load_unaligned_u8q(ref_ptr, 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)); |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); |
| } |
| |
| uint32_t vpx_sad4x4_avg_neon(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred) { |
| const uint8x16_t src_u8 = load_unaligned_u8q(src_ptr, src_stride); |
| const uint8x16_t ref_u8 = load_unaligned_u8q(ref_ptr, ref_stride); |
| const uint8x16_t second_pred_u8 = vld1q_u8(second_pred); |
| const uint8x16_t avg = vrhaddq_u8(ref_u8, second_pred_u8); |
| uint16x8_t abs = vabdl_u8(vget_low_u8(src_u8), vget_low_u8(avg)); |
| abs = vabal_u8(abs, vget_high_u8(src_u8), vget_high_u8(avg)); |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); |
| } |
| |
| uint32_t vpx_sad4x8_neon(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| int i; |
| uint16x8_t abs = vdupq_n_u16(0); |
| for (i = 0; i < 8; i += 4) { |
| const uint8x16_t src_u8 = load_unaligned_u8q(src_ptr, src_stride); |
| const uint8x16_t ref_u8 = load_unaligned_u8q(ref_ptr, ref_stride); |
| src_ptr += 4 * src_stride; |
| ref_ptr += 4 * ref_stride; |
| abs = vabal_u8(abs, vget_low_u8(src_u8), vget_low_u8(ref_u8)); |
| abs = vabal_u8(abs, vget_high_u8(src_u8), vget_high_u8(ref_u8)); |
| } |
| |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); |
| } |
| |
| uint32_t vpx_sad4x8_avg_neon(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred) { |
| int i; |
| uint16x8_t abs = vdupq_n_u16(0); |
| for (i = 0; i < 8; i += 4) { |
| const uint8x16_t src_u8 = load_unaligned_u8q(src_ptr, src_stride); |
| const uint8x16_t ref_u8 = load_unaligned_u8q(ref_ptr, ref_stride); |
| const uint8x16_t second_pred_u8 = vld1q_u8(second_pred); |
| const uint8x16_t avg = vrhaddq_u8(ref_u8, second_pred_u8); |
| src_ptr += 4 * src_stride; |
| ref_ptr += 4 * ref_stride; |
| second_pred += 16; |
| abs = vabal_u8(abs, vget_low_u8(src_u8), vget_low_u8(avg)); |
| abs = vabal_u8(abs, vget_high_u8(src_u8), vget_high_u8(avg)); |
| } |
| |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); |
| } |
| |
| static INLINE uint16x8_t sad8x(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const int height) { |
| int i; |
| uint16x8_t abs = vdupq_n_u16(0); |
| |
| for (i = 0; i < height; ++i) { |
| const uint8x8_t a_u8 = vld1_u8(src_ptr); |
| const uint8x8_t b_u8 = vld1_u8(ref_ptr); |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| abs = vabal_u8(abs, a_u8, b_u8); |
| } |
| return abs; |
| } |
| |
| static INLINE uint16x8_t sad8x_avg(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred, |
| const int height) { |
| int i; |
| uint16x8_t abs = vdupq_n_u16(0); |
| |
| for (i = 0; i < height; ++i) { |
| const uint8x8_t a_u8 = vld1_u8(src_ptr); |
| const uint8x8_t b_u8 = vld1_u8(ref_ptr); |
| const uint8x8_t c_u8 = vld1_u8(second_pred); |
| const uint8x8_t avg = vrhadd_u8(b_u8, c_u8); |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| second_pred += 8; |
| abs = vabal_u8(abs, a_u8, avg); |
| } |
| return abs; |
| } |
| |
| #define sad8xN(n) \ |
| uint32_t vpx_sad8x##n##_neon(const uint8_t *src_ptr, int src_stride, \ |
| const uint8_t *ref_ptr, int ref_stride) { \ |
| const uint16x8_t abs = sad8x(src_ptr, src_stride, ref_ptr, ref_stride, n); \ |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); \ |
| } \ |
| \ |
| uint32_t vpx_sad8x##n##_avg_neon(const uint8_t *src_ptr, int src_stride, \ |
| const uint8_t *ref_ptr, int ref_stride, \ |
| const uint8_t *second_pred) { \ |
| const uint16x8_t abs = \ |
| sad8x_avg(src_ptr, src_stride, ref_ptr, ref_stride, second_pred, n); \ |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); \ |
| } |
| |
| sad8xN(4); |
| sad8xN(8); |
| sad8xN(16); |
| |
| static INLINE uint16x8_t sad16x(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const int height) { |
| int i; |
| uint16x8_t abs = vdupq_n_u16(0); |
| |
| for (i = 0; i < height; ++i) { |
| const uint8x16_t a_u8 = vld1q_u8(src_ptr); |
| const uint8x16_t b_u8 = vld1q_u8(ref_ptr); |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| abs = vabal_u8(abs, vget_low_u8(a_u8), vget_low_u8(b_u8)); |
| abs = vabal_u8(abs, vget_high_u8(a_u8), vget_high_u8(b_u8)); |
| } |
| return abs; |
| } |
| |
| static INLINE uint16x8_t sad16x_avg(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred, |
| const int height) { |
| int i; |
| uint16x8_t abs = vdupq_n_u16(0); |
| |
| for (i = 0; i < height; ++i) { |
| const uint8x16_t a_u8 = vld1q_u8(src_ptr); |
| const uint8x16_t b_u8 = vld1q_u8(ref_ptr); |
| const uint8x16_t c_u8 = vld1q_u8(second_pred); |
| const uint8x16_t avg = vrhaddq_u8(b_u8, c_u8); |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| second_pred += 16; |
| abs = vabal_u8(abs, vget_low_u8(a_u8), vget_low_u8(avg)); |
| abs = vabal_u8(abs, vget_high_u8(a_u8), vget_high_u8(avg)); |
| } |
| return abs; |
| } |
| |
| #define sad16xN(n) \ |
| uint32_t vpx_sad16x##n##_neon(const uint8_t *src_ptr, int src_stride, \ |
| const uint8_t *ref_ptr, int ref_stride) { \ |
| const uint16x8_t abs = \ |
| sad16x(src_ptr, src_stride, ref_ptr, ref_stride, n); \ |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); \ |
| } \ |
| \ |
| uint32_t vpx_sad16x##n##_avg_neon(const uint8_t *src_ptr, int src_stride, \ |
| const uint8_t *ref_ptr, int ref_stride, \ |
| const uint8_t *second_pred) { \ |
| const uint16x8_t abs = \ |
| sad16x_avg(src_ptr, src_stride, ref_ptr, ref_stride, second_pred, n); \ |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); \ |
| } |
| |
| sad16xN(8); |
| sad16xN(16); |
| sad16xN(32); |
| |
| static INLINE uint16x8_t sad32x(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const int height) { |
| int i; |
| uint16x8_t abs = vdupq_n_u16(0); |
| |
| for (i = 0; i < height; ++i) { |
| const uint8x16_t a_lo = vld1q_u8(src_ptr); |
| const uint8x16_t a_hi = vld1q_u8(src_ptr + 16); |
| const uint8x16_t b_lo = vld1q_u8(ref_ptr); |
| const uint8x16_t b_hi = vld1q_u8(ref_ptr + 16); |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| abs = vabal_u8(abs, vget_low_u8(a_lo), vget_low_u8(b_lo)); |
| abs = vabal_u8(abs, vget_high_u8(a_lo), vget_high_u8(b_lo)); |
| abs = vabal_u8(abs, vget_low_u8(a_hi), vget_low_u8(b_hi)); |
| abs = vabal_u8(abs, vget_high_u8(a_hi), vget_high_u8(b_hi)); |
| } |
| return abs; |
| } |
| |
| static INLINE uint16x8_t sad32x_avg(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred, |
| const int height) { |
| int i; |
| uint16x8_t abs = vdupq_n_u16(0); |
| |
| for (i = 0; i < height; ++i) { |
| const uint8x16_t a_lo = vld1q_u8(src_ptr); |
| const uint8x16_t a_hi = vld1q_u8(src_ptr + 16); |
| const uint8x16_t b_lo = vld1q_u8(ref_ptr); |
| const uint8x16_t b_hi = vld1q_u8(ref_ptr + 16); |
| const uint8x16_t c_lo = vld1q_u8(second_pred); |
| const uint8x16_t c_hi = vld1q_u8(second_pred + 16); |
| const uint8x16_t avg_lo = vrhaddq_u8(b_lo, c_lo); |
| const uint8x16_t avg_hi = vrhaddq_u8(b_hi, c_hi); |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| second_pred += 32; |
| abs = vabal_u8(abs, vget_low_u8(a_lo), vget_low_u8(avg_lo)); |
| abs = vabal_u8(abs, vget_high_u8(a_lo), vget_high_u8(avg_lo)); |
| abs = vabal_u8(abs, vget_low_u8(a_hi), vget_low_u8(avg_hi)); |
| abs = vabal_u8(abs, vget_high_u8(a_hi), vget_high_u8(avg_hi)); |
| } |
| return abs; |
| } |
| |
| #define sad32xN(n) \ |
| uint32_t vpx_sad32x##n##_neon(const uint8_t *src_ptr, int src_stride, \ |
| const uint8_t *ref_ptr, int ref_stride) { \ |
| const uint16x8_t abs = \ |
| sad32x(src_ptr, src_stride, ref_ptr, ref_stride, n); \ |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); \ |
| } \ |
| \ |
| uint32_t vpx_sad32x##n##_avg_neon(const uint8_t *src_ptr, int src_stride, \ |
| const uint8_t *ref_ptr, int ref_stride, \ |
| const uint8_t *second_pred) { \ |
| const uint16x8_t abs = \ |
| sad32x_avg(src_ptr, src_stride, ref_ptr, ref_stride, second_pred, n); \ |
| return vget_lane_u32(horizontal_add_uint16x8(abs), 0); \ |
| } |
| |
| sad32xN(16); |
| sad32xN(32); |
| sad32xN(64); |
| |
| static INLINE uint32x4_t sad64x(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const int height) { |
| int i; |
| uint16x8_t abs_0 = vdupq_n_u16(0); |
| uint16x8_t abs_1 = vdupq_n_u16(0); |
| |
| for (i = 0; i < height; ++i) { |
| const uint8x16_t a_0 = vld1q_u8(src_ptr); |
| const uint8x16_t a_1 = vld1q_u8(src_ptr + 16); |
| const uint8x16_t a_2 = vld1q_u8(src_ptr + 32); |
| const uint8x16_t a_3 = vld1q_u8(src_ptr + 48); |
| const uint8x16_t b_0 = vld1q_u8(ref_ptr); |
| const uint8x16_t b_1 = vld1q_u8(ref_ptr + 16); |
| const uint8x16_t b_2 = vld1q_u8(ref_ptr + 32); |
| const uint8x16_t b_3 = vld1q_u8(ref_ptr + 48); |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| abs_0 = vabal_u8(abs_0, vget_low_u8(a_0), vget_low_u8(b_0)); |
| abs_0 = vabal_u8(abs_0, vget_high_u8(a_0), vget_high_u8(b_0)); |
| abs_0 = vabal_u8(abs_0, vget_low_u8(a_1), vget_low_u8(b_1)); |
| abs_0 = vabal_u8(abs_0, vget_high_u8(a_1), vget_high_u8(b_1)); |
| abs_1 = vabal_u8(abs_1, vget_low_u8(a_2), vget_low_u8(b_2)); |
| abs_1 = vabal_u8(abs_1, vget_high_u8(a_2), vget_high_u8(b_2)); |
| abs_1 = vabal_u8(abs_1, vget_low_u8(a_3), vget_low_u8(b_3)); |
| abs_1 = vabal_u8(abs_1, vget_high_u8(a_3), vget_high_u8(b_3)); |
| } |
| |
| { |
| const uint32x4_t sum = vpaddlq_u16(abs_0); |
| return vpadalq_u16(sum, abs_1); |
| } |
| } |
| |
| static INLINE uint32x4_t sad64x_avg(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred, |
| const int height) { |
| int i; |
| uint16x8_t abs_0 = vdupq_n_u16(0); |
| uint16x8_t abs_1 = vdupq_n_u16(0); |
| |
| for (i = 0; i < height; ++i) { |
| const uint8x16_t a_0 = vld1q_u8(src_ptr); |
| const uint8x16_t a_1 = vld1q_u8(src_ptr + 16); |
| const uint8x16_t a_2 = vld1q_u8(src_ptr + 32); |
| const uint8x16_t a_3 = vld1q_u8(src_ptr + 48); |
| const uint8x16_t b_0 = vld1q_u8(ref_ptr); |
| const uint8x16_t b_1 = vld1q_u8(ref_ptr + 16); |
| const uint8x16_t b_2 = vld1q_u8(ref_ptr + 32); |
| const uint8x16_t b_3 = vld1q_u8(ref_ptr + 48); |
| const uint8x16_t c_0 = vld1q_u8(second_pred); |
| const uint8x16_t c_1 = vld1q_u8(second_pred + 16); |
| const uint8x16_t c_2 = vld1q_u8(second_pred + 32); |
| const uint8x16_t c_3 = vld1q_u8(second_pred + 48); |
| const uint8x16_t avg_0 = vrhaddq_u8(b_0, c_0); |
| const uint8x16_t avg_1 = vrhaddq_u8(b_1, c_1); |
| const uint8x16_t avg_2 = vrhaddq_u8(b_2, c_2); |
| const uint8x16_t avg_3 = vrhaddq_u8(b_3, c_3); |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| second_pred += 64; |
| abs_0 = vabal_u8(abs_0, vget_low_u8(a_0), vget_low_u8(avg_0)); |
| abs_0 = vabal_u8(abs_0, vget_high_u8(a_0), vget_high_u8(avg_0)); |
| abs_0 = vabal_u8(abs_0, vget_low_u8(a_1), vget_low_u8(avg_1)); |
| abs_0 = vabal_u8(abs_0, vget_high_u8(a_1), vget_high_u8(avg_1)); |
| abs_1 = vabal_u8(abs_1, vget_low_u8(a_2), vget_low_u8(avg_2)); |
| abs_1 = vabal_u8(abs_1, vget_high_u8(a_2), vget_high_u8(avg_2)); |
| abs_1 = vabal_u8(abs_1, vget_low_u8(a_3), vget_low_u8(avg_3)); |
| abs_1 = vabal_u8(abs_1, vget_high_u8(a_3), vget_high_u8(avg_3)); |
| } |
| |
| { |
| const uint32x4_t sum = vpaddlq_u16(abs_0); |
| return vpadalq_u16(sum, abs_1); |
| } |
| } |
| |
| #define sad64xN(n) \ |
| uint32_t vpx_sad64x##n##_neon(const uint8_t *src_ptr, int src_stride, \ |
| const uint8_t *ref_ptr, int ref_stride) { \ |
| const uint32x4_t abs = \ |
| sad64x(src_ptr, src_stride, ref_ptr, ref_stride, n); \ |
| return vget_lane_u32(horizontal_add_uint32x4(abs), 0); \ |
| } \ |
| \ |
| uint32_t vpx_sad64x##n##_avg_neon(const uint8_t *src_ptr, int src_stride, \ |
| const uint8_t *ref_ptr, int ref_stride, \ |
| const uint8_t *second_pred) { \ |
| const uint32x4_t abs = \ |
| sad64x_avg(src_ptr, src_stride, ref_ptr, ref_stride, second_pred, n); \ |
| return vget_lane_u32(horizontal_add_uint32x4(abs), 0); \ |
| } |
| |
| sad64xN(32); |
| sad64xN(64); |