diff options
Diffstat (limited to 'third_party/aom/aom_dsp/arm/sadxd_neon.c')
-rw-r--r-- | third_party/aom/aom_dsp/arm/sadxd_neon.c | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/arm/sadxd_neon.c b/third_party/aom/aom_dsp/arm/sadxd_neon.c new file mode 100644 index 0000000000..e89e1c5a73 --- /dev/null +++ b/third_party/aom/aom_dsp/arm/sadxd_neon.c @@ -0,0 +1,514 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <arm_neon.h> + +#include "config/aom_config.h" +#include "config/aom_dsp_rtcd.h" + +#include "aom/aom_integer.h" +#include "aom_dsp/arm/mem_neon.h" +#include "aom_dsp/arm/sum_neon.h" + +static INLINE void sad16_neon(uint8x16_t src, uint8x16_t ref, + uint16x8_t *const sad_sum) { + uint8x16_t abs_diff = vabdq_u8(src, ref); + *sad_sum = vpadalq_u8(*sad_sum, abs_diff); +} + +static INLINE void sadwxhx3d_large_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[3], + int ref_stride, uint32_t res[3], int w, + int h, int h_overflow) { + uint32x4_t sum[3] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0) }; + int h_limit = h > h_overflow ? h_overflow : h; + + int ref_offset = 0; + int i = 0; + do { + uint16x8_t sum_lo[3] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0) }; + uint16x8_t sum_hi[3] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0) }; + + do { + int j = 0; + do { + const uint8x16_t s0 = vld1q_u8(src + j); + sad16_neon(s0, vld1q_u8(ref[0] + ref_offset + j), &sum_lo[0]); + sad16_neon(s0, vld1q_u8(ref[1] + ref_offset + j), &sum_lo[1]); + sad16_neon(s0, vld1q_u8(ref[2] + ref_offset + j), &sum_lo[2]); + + const uint8x16_t s1 = vld1q_u8(src + j + 16); + sad16_neon(s1, vld1q_u8(ref[0] + ref_offset + j + 16), &sum_hi[0]); + sad16_neon(s1, vld1q_u8(ref[1] + ref_offset + j + 16), &sum_hi[1]); + sad16_neon(s1, vld1q_u8(ref[2] + ref_offset + j + 16), &sum_hi[2]); + + j += 32; + } while (j < w); + + src += src_stride; + ref_offset += ref_stride; + } while (++i < h_limit); + + sum[0] = vpadalq_u16(sum[0], sum_lo[0]); + sum[0] = vpadalq_u16(sum[0], sum_hi[0]); + sum[1] = vpadalq_u16(sum[1], sum_lo[1]); + sum[1] = vpadalq_u16(sum[1], sum_hi[1]); + sum[2] = vpadalq_u16(sum[2], sum_lo[2]); + sum[2] = vpadalq_u16(sum[2], sum_hi[2]); + + h_limit += h_overflow; + } while (i < h); + + res[0] = horizontal_add_u32x4(sum[0]); + res[1] = horizontal_add_u32x4(sum[1]); + res[2] = horizontal_add_u32x4(sum[2]); +} + +static INLINE void sad128xhx3d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[3], int ref_stride, + uint32_t res[3], int h) { + sadwxhx3d_large_neon(src, src_stride, ref, ref_stride, res, 128, h, 32); +} + +static INLINE void sad64xhx3d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[3], int ref_stride, + uint32_t res[3], int h) { + sadwxhx3d_large_neon(src, src_stride, ref, ref_stride, res, 64, h, 64); +} + +static INLINE void sad32xhx3d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[3], int ref_stride, + uint32_t res[3], int h) { + uint16x8_t sum_lo[3] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0) }; + uint16x8_t sum_hi[3] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0) }; + + int ref_offset = 0; + int i = h; + do { + const uint8x16_t s0 = vld1q_u8(src); + sad16_neon(s0, vld1q_u8(ref[0] + ref_offset), &sum_lo[0]); + sad16_neon(s0, vld1q_u8(ref[1] + ref_offset), &sum_lo[1]); + sad16_neon(s0, vld1q_u8(ref[2] + ref_offset), &sum_lo[2]); + + const uint8x16_t s1 = vld1q_u8(src + 16); + sad16_neon(s1, vld1q_u8(ref[0] + ref_offset + 16), &sum_hi[0]); + sad16_neon(s1, vld1q_u8(ref[1] + ref_offset + 16), &sum_hi[1]); + sad16_neon(s1, vld1q_u8(ref[2] + ref_offset + 16), &sum_hi[2]); + + src += src_stride; + ref_offset += ref_stride; + } while (--i != 0); + + res[0] = horizontal_long_add_u16x8(sum_lo[0], sum_hi[0]); + res[1] = horizontal_long_add_u16x8(sum_lo[1], sum_hi[1]); + res[2] = horizontal_long_add_u16x8(sum_lo[2], sum_hi[2]); +} + +static INLINE void sad16xhx3d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[3], int ref_stride, + uint32_t res[3], int h) { + uint16x8_t sum[3] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0) }; + + int ref_offset = 0; + int i = h; + do { + const uint8x16_t s = vld1q_u8(src); + sad16_neon(s, vld1q_u8(ref[0] + ref_offset), &sum[0]); + sad16_neon(s, vld1q_u8(ref[1] + ref_offset), &sum[1]); + sad16_neon(s, vld1q_u8(ref[2] + ref_offset), &sum[2]); + + src += src_stride; + ref_offset += ref_stride; + } while (--i != 0); + + res[0] = horizontal_add_u16x8(sum[0]); + res[1] = horizontal_add_u16x8(sum[1]); + res[2] = horizontal_add_u16x8(sum[2]); +} + +static INLINE void sad8xhx3d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[3], int ref_stride, + uint32_t res[3], int h) { + uint16x8_t sum[3]; + + uint8x8_t s = vld1_u8(src); + sum[0] = vabdl_u8(s, vld1_u8(ref[0])); + sum[1] = vabdl_u8(s, vld1_u8(ref[1])); + sum[2] = vabdl_u8(s, vld1_u8(ref[2])); + + src += src_stride; + int ref_offset = ref_stride; + int i = h - 1; + do { + s = vld1_u8(src); + sum[0] = vabal_u8(sum[0], s, vld1_u8(ref[0] + ref_offset)); + sum[1] = vabal_u8(sum[1], s, vld1_u8(ref[1] + ref_offset)); + sum[2] = vabal_u8(sum[2], s, vld1_u8(ref[2] + ref_offset)); + + src += src_stride; + ref_offset += ref_stride; + } while (--i != 0); + + res[0] = horizontal_add_u16x8(sum[0]); + res[1] = horizontal_add_u16x8(sum[1]); + res[2] = horizontal_add_u16x8(sum[2]); +} + +static INLINE void sad4xhx3d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[3], int ref_stride, + uint32_t res[3], int h) { + assert(h % 2 == 0); + uint16x8_t sum[3]; + + uint8x8_t s = load_unaligned_u8(src, src_stride); + uint8x8_t r0 = load_unaligned_u8(ref[0], ref_stride); + uint8x8_t r1 = load_unaligned_u8(ref[1], ref_stride); + uint8x8_t r2 = load_unaligned_u8(ref[2], ref_stride); + + sum[0] = vabdl_u8(s, r0); + sum[1] = vabdl_u8(s, r1); + sum[2] = vabdl_u8(s, r2); + + src += 2 * src_stride; + int ref_offset = 2 * ref_stride; + int i = (h / 2) - 1; + do { + s = load_unaligned_u8(src, src_stride); + r0 = load_unaligned_u8(ref[0] + ref_offset, ref_stride); + r1 = load_unaligned_u8(ref[1] + ref_offset, ref_stride); + r2 = load_unaligned_u8(ref[2] + ref_offset, ref_stride); + + sum[0] = vabal_u8(sum[0], s, r0); + sum[1] = vabal_u8(sum[1], s, r1); + sum[2] = vabal_u8(sum[2], s, r2); + + src += 2 * src_stride; + ref_offset += 2 * ref_stride; + } while (--i != 0); + + res[0] = horizontal_add_u16x8(sum[0]); + res[1] = horizontal_add_u16x8(sum[1]); + res[2] = horizontal_add_u16x8(sum[2]); +} + +#define SAD_WXH_3D_NEON(w, h) \ + void aom_sad##w##x##h##x3d_neon(const uint8_t *src, int src_stride, \ + const uint8_t *const ref[4], int ref_stride, \ + uint32_t res[4]) { \ + sad##w##xhx3d_neon(src, src_stride, ref, ref_stride, res, (h)); \ + } + +SAD_WXH_3D_NEON(4, 4) +SAD_WXH_3D_NEON(4, 8) + +SAD_WXH_3D_NEON(8, 4) +SAD_WXH_3D_NEON(8, 8) +SAD_WXH_3D_NEON(8, 16) + +SAD_WXH_3D_NEON(16, 8) +SAD_WXH_3D_NEON(16, 16) +SAD_WXH_3D_NEON(16, 32) + +SAD_WXH_3D_NEON(32, 16) +SAD_WXH_3D_NEON(32, 32) +SAD_WXH_3D_NEON(32, 64) + +SAD_WXH_3D_NEON(64, 32) +SAD_WXH_3D_NEON(64, 64) +SAD_WXH_3D_NEON(64, 128) + +SAD_WXH_3D_NEON(128, 64) +SAD_WXH_3D_NEON(128, 128) + +#if !CONFIG_REALTIME_ONLY +SAD_WXH_3D_NEON(4, 16) +SAD_WXH_3D_NEON(8, 32) +SAD_WXH_3D_NEON(16, 4) +SAD_WXH_3D_NEON(16, 64) +SAD_WXH_3D_NEON(32, 8) +SAD_WXH_3D_NEON(64, 16) +#endif // !CONFIG_REALTIME_ONLY + +#undef SAD_WXH_3D_NEON + +static INLINE void sadwxhx4d_large_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], + int ref_stride, uint32_t res[4], int w, + int h, int h_overflow) { + uint32x4_t sum[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0), + vdupq_n_u32(0) }; + int h_limit = h > h_overflow ? h_overflow : h; + + int ref_offset = 0; + int i = 0; + do { + uint16x8_t sum_lo[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), + vdupq_n_u16(0) }; + uint16x8_t sum_hi[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), + vdupq_n_u16(0) }; + + do { + int j = 0; + do { + const uint8x16_t s0 = vld1q_u8(src + j); + sad16_neon(s0, vld1q_u8(ref[0] + ref_offset + j), &sum_lo[0]); + sad16_neon(s0, vld1q_u8(ref[1] + ref_offset + j), &sum_lo[1]); + sad16_neon(s0, vld1q_u8(ref[2] + ref_offset + j), &sum_lo[2]); + sad16_neon(s0, vld1q_u8(ref[3] + ref_offset + j), &sum_lo[3]); + + const uint8x16_t s1 = vld1q_u8(src + j + 16); + sad16_neon(s1, vld1q_u8(ref[0] + ref_offset + j + 16), &sum_hi[0]); + sad16_neon(s1, vld1q_u8(ref[1] + ref_offset + j + 16), &sum_hi[1]); + sad16_neon(s1, vld1q_u8(ref[2] + ref_offset + j + 16), &sum_hi[2]); + sad16_neon(s1, vld1q_u8(ref[3] + ref_offset + j + 16), &sum_hi[3]); + + j += 32; + } while (j < w); + + src += src_stride; + ref_offset += ref_stride; + } while (++i < h_limit); + + sum[0] = vpadalq_u16(sum[0], sum_lo[0]); + sum[0] = vpadalq_u16(sum[0], sum_hi[0]); + sum[1] = vpadalq_u16(sum[1], sum_lo[1]); + sum[1] = vpadalq_u16(sum[1], sum_hi[1]); + sum[2] = vpadalq_u16(sum[2], sum_lo[2]); + sum[2] = vpadalq_u16(sum[2], sum_hi[2]); + sum[3] = vpadalq_u16(sum[3], sum_lo[3]); + sum[3] = vpadalq_u16(sum[3], sum_hi[3]); + + h_limit += h_overflow; + } while (i < h); + + vst1q_u32(res, horizontal_add_4d_u32x4(sum)); +} + +static INLINE void sad128xhx4d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4], int h) { + sadwxhx4d_large_neon(src, src_stride, ref, ref_stride, res, 128, h, 32); +} + +static INLINE void sad64xhx4d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4], int h) { + sadwxhx4d_large_neon(src, src_stride, ref, ref_stride, res, 64, h, 64); +} + +static INLINE void sad32xhx4d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4], int h) { + uint16x8_t sum_lo[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), + vdupq_n_u16(0) }; + uint16x8_t sum_hi[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), + vdupq_n_u16(0) }; + + int ref_offset = 0; + int i = h; + do { + const uint8x16_t s0 = vld1q_u8(src); + sad16_neon(s0, vld1q_u8(ref[0] + ref_offset), &sum_lo[0]); + sad16_neon(s0, vld1q_u8(ref[1] + ref_offset), &sum_lo[1]); + sad16_neon(s0, vld1q_u8(ref[2] + ref_offset), &sum_lo[2]); + sad16_neon(s0, vld1q_u8(ref[3] + ref_offset), &sum_lo[3]); + + const uint8x16_t s1 = vld1q_u8(src + 16); + sad16_neon(s1, vld1q_u8(ref[0] + ref_offset + 16), &sum_hi[0]); + sad16_neon(s1, vld1q_u8(ref[1] + ref_offset + 16), &sum_hi[1]); + sad16_neon(s1, vld1q_u8(ref[2] + ref_offset + 16), &sum_hi[2]); + sad16_neon(s1, vld1q_u8(ref[3] + ref_offset + 16), &sum_hi[3]); + + src += src_stride; + ref_offset += ref_stride; + } while (--i != 0); + + vst1q_u32(res, horizontal_long_add_4d_u16x8(sum_lo, sum_hi)); +} + +static INLINE void sad16xhx4d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4], int h) { + uint16x8_t sum_u16[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), + vdupq_n_u16(0) }; + uint32x4_t sum_u32[4]; + + int ref_offset = 0; + int i = h; + do { + const uint8x16_t s = vld1q_u8(src); + sad16_neon(s, vld1q_u8(ref[0] + ref_offset), &sum_u16[0]); + sad16_neon(s, vld1q_u8(ref[1] + ref_offset), &sum_u16[1]); + sad16_neon(s, vld1q_u8(ref[2] + ref_offset), &sum_u16[2]); + sad16_neon(s, vld1q_u8(ref[3] + ref_offset), &sum_u16[3]); + + src += src_stride; + ref_offset += ref_stride; + } while (--i != 0); + + sum_u32[0] = vpaddlq_u16(sum_u16[0]); + sum_u32[1] = vpaddlq_u16(sum_u16[1]); + sum_u32[2] = vpaddlq_u16(sum_u16[2]); + sum_u32[3] = vpaddlq_u16(sum_u16[3]); + + vst1q_u32(res, horizontal_add_4d_u32x4(sum_u32)); +} + +static INLINE void sad8xhx4d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4], int h) { + uint16x8_t sum[4]; + + uint8x8_t s = vld1_u8(src); + sum[0] = vabdl_u8(s, vld1_u8(ref[0])); + sum[1] = vabdl_u8(s, vld1_u8(ref[1])); + sum[2] = vabdl_u8(s, vld1_u8(ref[2])); + sum[3] = vabdl_u8(s, vld1_u8(ref[3])); + + src += src_stride; + int ref_offset = ref_stride; + int i = h - 1; + do { + s = vld1_u8(src); + sum[0] = vabal_u8(sum[0], s, vld1_u8(ref[0] + ref_offset)); + sum[1] = vabal_u8(sum[1], s, vld1_u8(ref[1] + ref_offset)); + sum[2] = vabal_u8(sum[2], s, vld1_u8(ref[2] + ref_offset)); + sum[3] = vabal_u8(sum[3], s, vld1_u8(ref[3] + ref_offset)); + + src += src_stride; + ref_offset += ref_stride; + } while (--i != 0); + + vst1q_u32(res, horizontal_add_4d_u16x8(sum)); +} + +static INLINE void sad4xhx4d_neon(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4], int h) { + uint16x8_t sum[4]; + + uint8x8_t s = load_unaligned_u8(src, src_stride); + uint8x8_t r0 = load_unaligned_u8(ref[0], ref_stride); + uint8x8_t r1 = load_unaligned_u8(ref[1], ref_stride); + uint8x8_t r2 = load_unaligned_u8(ref[2], ref_stride); + uint8x8_t r3 = load_unaligned_u8(ref[3], ref_stride); + + sum[0] = vabdl_u8(s, r0); + sum[1] = vabdl_u8(s, r1); + sum[2] = vabdl_u8(s, r2); + sum[3] = vabdl_u8(s, r3); + + src += 2 * src_stride; + int ref_offset = 2 * ref_stride; + int i = h / 2; + while (--i != 0) { + s = load_unaligned_u8(src, src_stride); + r0 = load_unaligned_u8(ref[0] + ref_offset, ref_stride); + r1 = load_unaligned_u8(ref[1] + ref_offset, ref_stride); + r2 = load_unaligned_u8(ref[2] + ref_offset, ref_stride); + r3 = load_unaligned_u8(ref[3] + ref_offset, ref_stride); + + sum[0] = vabal_u8(sum[0], s, r0); + sum[1] = vabal_u8(sum[1], s, r1); + sum[2] = vabal_u8(sum[2], s, r2); + sum[3] = vabal_u8(sum[3], s, r3); + + src += 2 * src_stride; + ref_offset += 2 * ref_stride; + } + + vst1q_u32(res, horizontal_add_4d_u16x8(sum)); +} + +#define SAD_WXH_4D_NEON(w, h) \ + void aom_sad##w##x##h##x4d_neon(const uint8_t *src, int src_stride, \ + const uint8_t *const ref[4], int ref_stride, \ + uint32_t res[4]) { \ + sad##w##xhx4d_neon(src, src_stride, ref, ref_stride, res, (h)); \ + } + +SAD_WXH_4D_NEON(4, 4) +SAD_WXH_4D_NEON(4, 8) + +SAD_WXH_4D_NEON(8, 4) +SAD_WXH_4D_NEON(8, 8) +SAD_WXH_4D_NEON(8, 16) + +SAD_WXH_4D_NEON(16, 8) +SAD_WXH_4D_NEON(16, 16) +SAD_WXH_4D_NEON(16, 32) + +SAD_WXH_4D_NEON(32, 16) +SAD_WXH_4D_NEON(32, 32) +SAD_WXH_4D_NEON(32, 64) + +SAD_WXH_4D_NEON(64, 32) +SAD_WXH_4D_NEON(64, 64) +SAD_WXH_4D_NEON(64, 128) + +SAD_WXH_4D_NEON(128, 64) +SAD_WXH_4D_NEON(128, 128) + +#if !CONFIG_REALTIME_ONLY +SAD_WXH_4D_NEON(4, 16) +SAD_WXH_4D_NEON(8, 32) +SAD_WXH_4D_NEON(16, 4) +SAD_WXH_4D_NEON(16, 64) +SAD_WXH_4D_NEON(32, 8) +SAD_WXH_4D_NEON(64, 16) +#endif // !CONFIG_REALTIME_ONLY + +#undef SAD_WXH_4D_NEON + +#define SAD_SKIP_WXH_4D_NEON(w, h) \ + void aom_sad_skip_##w##x##h##x4d_neon(const uint8_t *src, int src_stride, \ + const uint8_t *const ref[4], \ + int ref_stride, uint32_t res[4]) { \ + sad##w##xhx4d_neon(src, 2 * src_stride, ref, 2 * ref_stride, res, \ + ((h) >> 1)); \ + res[0] <<= 1; \ + res[1] <<= 1; \ + res[2] <<= 1; \ + res[3] <<= 1; \ + } + +SAD_SKIP_WXH_4D_NEON(4, 4) +SAD_SKIP_WXH_4D_NEON(4, 8) + +SAD_SKIP_WXH_4D_NEON(8, 4) +SAD_SKIP_WXH_4D_NEON(8, 8) +SAD_SKIP_WXH_4D_NEON(8, 16) + +SAD_SKIP_WXH_4D_NEON(16, 8) +SAD_SKIP_WXH_4D_NEON(16, 16) +SAD_SKIP_WXH_4D_NEON(16, 32) + +SAD_SKIP_WXH_4D_NEON(32, 16) +SAD_SKIP_WXH_4D_NEON(32, 32) +SAD_SKIP_WXH_4D_NEON(32, 64) + +SAD_SKIP_WXH_4D_NEON(64, 32) +SAD_SKIP_WXH_4D_NEON(64, 64) +SAD_SKIP_WXH_4D_NEON(64, 128) + +SAD_SKIP_WXH_4D_NEON(128, 64) +SAD_SKIP_WXH_4D_NEON(128, 128) + +#if !CONFIG_REALTIME_ONLY +SAD_SKIP_WXH_4D_NEON(4, 16) +SAD_SKIP_WXH_4D_NEON(8, 32) +SAD_SKIP_WXH_4D_NEON(16, 4) +SAD_SKIP_WXH_4D_NEON(16, 64) +SAD_SKIP_WXH_4D_NEON(32, 8) +SAD_SKIP_WXH_4D_NEON(64, 16) +#endif // !CONFIG_REALTIME_ONLY + +#undef SAD_SKIP_WXH_4D_NEON |