diff options
Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/arm/sad4d_neon.c')
-rw-r--r-- | media/libvpx/libvpx/vpx_dsp/arm/sad4d_neon.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/arm/sad4d_neon.c b/media/libvpx/libvpx/vpx_dsp/arm/sad4d_neon.c new file mode 100644 index 0000000000..3a548d0f9f --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/arm/sad4d_neon.c @@ -0,0 +1,344 @@ +/* + * 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 <assert.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" + +#if defined(__ARM_FEATURE_DOTPROD) + +static INLINE void sad16_neon(uint8x16_t src, uint8x16_t ref, + uint32x4_t *const sad_sum) { + uint8x16_t abs_diff = vabdq_u8(src, ref); + *sad_sum = vdotq_u32(*sad_sum, abs_diff, vdupq_n_u8(1)); +} + +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) { + uint32x4_t sum_lo[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0), + vdupq_n_u32(0) }; + uint32x4_t sum_hi[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0), + vdupq_n_u32(0) }; + uint32x4_t sum[4]; + + int i = 0; + do { + uint8x16_t s0, s1, s2, s3; + + s0 = vld1q_u8(src + i * src_stride); + sad16_neon(s0, vld1q_u8(ref[0] + i * ref_stride), &sum_lo[0]); + sad16_neon(s0, vld1q_u8(ref[1] + i * ref_stride), &sum_lo[1]); + sad16_neon(s0, vld1q_u8(ref[2] + i * ref_stride), &sum_lo[2]); + sad16_neon(s0, vld1q_u8(ref[3] + i * ref_stride), &sum_lo[3]); + + s1 = vld1q_u8(src + i * src_stride + 16); + sad16_neon(s1, vld1q_u8(ref[0] + i * ref_stride + 16), &sum_hi[0]); + sad16_neon(s1, vld1q_u8(ref[1] + i * ref_stride + 16), &sum_hi[1]); + sad16_neon(s1, vld1q_u8(ref[2] + i * ref_stride + 16), &sum_hi[2]); + sad16_neon(s1, vld1q_u8(ref[3] + i * ref_stride + 16), &sum_hi[3]); + + s2 = vld1q_u8(src + i * src_stride + 32); + sad16_neon(s2, vld1q_u8(ref[0] + i * ref_stride + 32), &sum_lo[0]); + sad16_neon(s2, vld1q_u8(ref[1] + i * ref_stride + 32), &sum_lo[1]); + sad16_neon(s2, vld1q_u8(ref[2] + i * ref_stride + 32), &sum_lo[2]); + sad16_neon(s2, vld1q_u8(ref[3] + i * ref_stride + 32), &sum_lo[3]); + + s3 = vld1q_u8(src + i * src_stride + 48); + sad16_neon(s3, vld1q_u8(ref[0] + i * ref_stride + 48), &sum_hi[0]); + sad16_neon(s3, vld1q_u8(ref[1] + i * ref_stride + 48), &sum_hi[1]); + sad16_neon(s3, vld1q_u8(ref[2] + i * ref_stride + 48), &sum_hi[2]); + sad16_neon(s3, vld1q_u8(ref[3] + i * ref_stride + 48), &sum_hi[3]); + + i++; + } while (i < h); + + sum[0] = vaddq_u32(sum_lo[0], sum_hi[0]); + sum[1] = vaddq_u32(sum_lo[1], sum_hi[1]); + sum[2] = vaddq_u32(sum_lo[2], sum_hi[2]); + sum[3] = vaddq_u32(sum_lo[3], sum_hi[3]); + + vst1q_u32(res, horizontal_add_4d_uint32x4(sum)); +} + +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) { + uint32x4_t sum_lo[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0), + vdupq_n_u32(0) }; + uint32x4_t sum_hi[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0), + vdupq_n_u32(0) }; + uint32x4_t sum[4]; + + int i = 0; + do { + uint8x16_t s0, s1; + + s0 = vld1q_u8(src + i * src_stride); + sad16_neon(s0, vld1q_u8(ref[0] + i * ref_stride), &sum_lo[0]); + sad16_neon(s0, vld1q_u8(ref[1] + i * ref_stride), &sum_lo[1]); + sad16_neon(s0, vld1q_u8(ref[2] + i * ref_stride), &sum_lo[2]); + sad16_neon(s0, vld1q_u8(ref[3] + i * ref_stride), &sum_lo[3]); + + s1 = vld1q_u8(src + i * src_stride + 16); + sad16_neon(s1, vld1q_u8(ref[0] + i * ref_stride + 16), &sum_hi[0]); + sad16_neon(s1, vld1q_u8(ref[1] + i * ref_stride + 16), &sum_hi[1]); + sad16_neon(s1, vld1q_u8(ref[2] + i * ref_stride + 16), &sum_hi[2]); + sad16_neon(s1, vld1q_u8(ref[3] + i * ref_stride + 16), &sum_hi[3]); + + i++; + } while (i < h); + + sum[0] = vaddq_u32(sum_lo[0], sum_hi[0]); + sum[1] = vaddq_u32(sum_lo[1], sum_hi[1]); + sum[2] = vaddq_u32(sum_lo[2], sum_hi[2]); + sum[3] = vaddq_u32(sum_lo[3], sum_hi[3]); + + vst1q_u32(res, horizontal_add_4d_uint32x4(sum)); +} + +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) { + uint32x4_t sum[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0), + vdupq_n_u32(0) }; + + int i = 0; + do { + const uint8x16_t s = vld1q_u8(src + i * src_stride); + sad16_neon(s, vld1q_u8(ref[0] + i * ref_stride), &sum[0]); + sad16_neon(s, vld1q_u8(ref[1] + i * ref_stride), &sum[1]); + sad16_neon(s, vld1q_u8(ref[2] + i * ref_stride), &sum[2]); + sad16_neon(s, vld1q_u8(ref[3] + i * ref_stride), &sum[3]); + + i++; + } while (i < h); + + vst1q_u32(res, horizontal_add_4d_uint32x4(sum)); +} + +#else // !defined(__ARM_FEATURE_DOTPROD)) + +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 sad64xhx4d_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 i = 0; + do { + uint8x16_t s0, s1, s2, s3; + + s0 = vld1q_u8(src + i * src_stride); + sad16_neon(s0, vld1q_u8(ref[0] + i * ref_stride), &sum_lo[0]); + sad16_neon(s0, vld1q_u8(ref[1] + i * ref_stride), &sum_lo[1]); + sad16_neon(s0, vld1q_u8(ref[2] + i * ref_stride), &sum_lo[2]); + sad16_neon(s0, vld1q_u8(ref[3] + i * ref_stride), &sum_lo[3]); + + s1 = vld1q_u8(src + i * src_stride + 16); + sad16_neon(s1, vld1q_u8(ref[0] + i * ref_stride + 16), &sum_hi[0]); + sad16_neon(s1, vld1q_u8(ref[1] + i * ref_stride + 16), &sum_hi[1]); + sad16_neon(s1, vld1q_u8(ref[2] + i * ref_stride + 16), &sum_hi[2]); + sad16_neon(s1, vld1q_u8(ref[3] + i * ref_stride + 16), &sum_hi[3]); + + s2 = vld1q_u8(src + i * src_stride + 32); + sad16_neon(s2, vld1q_u8(ref[0] + i * ref_stride + 32), &sum_lo[0]); + sad16_neon(s2, vld1q_u8(ref[1] + i * ref_stride + 32), &sum_lo[1]); + sad16_neon(s2, vld1q_u8(ref[2] + i * ref_stride + 32), &sum_lo[2]); + sad16_neon(s2, vld1q_u8(ref[3] + i * ref_stride + 32), &sum_lo[3]); + + s3 = vld1q_u8(src + i * src_stride + 48); + sad16_neon(s3, vld1q_u8(ref[0] + i * ref_stride + 48), &sum_hi[0]); + sad16_neon(s3, vld1q_u8(ref[1] + i * ref_stride + 48), &sum_hi[1]); + sad16_neon(s3, vld1q_u8(ref[2] + i * ref_stride + 48), &sum_hi[2]); + sad16_neon(s3, vld1q_u8(ref[3] + i * ref_stride + 48), &sum_hi[3]); + + i++; + } while (i < h); + + vst1q_u32(res, horizontal_long_add_4d_uint16x8(sum_lo, sum_hi)); +} + +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 i = 0; + do { + uint8x16_t s0, s1; + + s0 = vld1q_u8(src + i * src_stride); + sad16_neon(s0, vld1q_u8(ref[0] + i * ref_stride), &sum_lo[0]); + sad16_neon(s0, vld1q_u8(ref[1] + i * ref_stride), &sum_lo[1]); + sad16_neon(s0, vld1q_u8(ref[2] + i * ref_stride), &sum_lo[2]); + sad16_neon(s0, vld1q_u8(ref[3] + i * ref_stride), &sum_lo[3]); + + s1 = vld1q_u8(src + i * src_stride + 16); + sad16_neon(s1, vld1q_u8(ref[0] + i * ref_stride + 16), &sum_hi[0]); + sad16_neon(s1, vld1q_u8(ref[1] + i * ref_stride + 16), &sum_hi[1]); + sad16_neon(s1, vld1q_u8(ref[2] + i * ref_stride + 16), &sum_hi[2]); + sad16_neon(s1, vld1q_u8(ref[3] + i * ref_stride + 16), &sum_hi[3]); + + i++; + } while (i < h); + + vst1q_u32(res, horizontal_long_add_4d_uint16x8(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[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), + vdupq_n_u16(0) }; + + int i = 0; + do { + const uint8x16_t s = vld1q_u8(src + i * src_stride); + sad16_neon(s, vld1q_u8(ref[0] + i * ref_stride), &sum[0]); + sad16_neon(s, vld1q_u8(ref[1] + i * ref_stride), &sum[1]); + sad16_neon(s, vld1q_u8(ref[2] + i * ref_stride), &sum[2]); + sad16_neon(s, vld1q_u8(ref[3] + i * ref_stride), &sum[3]); + + i++; + } while (i < h); + + vst1q_u32(res, horizontal_add_4d_uint16x8(sum)); +} + +#endif // defined(__ARM_FEATURE_DOTPROD) + +static INLINE void sad8_neon(uint8x8_t src, uint8x8_t ref, + uint16x8_t *const sad_sum) { + uint8x8_t abs_diff = vabd_u8(src, ref); + *sad_sum = vaddw_u8(*sad_sum, abs_diff); +} + +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] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), + vdupq_n_u16(0) }; + + int i = 0; + do { + const uint8x8_t s = vld1_u8(src + i * src_stride); + sad8_neon(s, vld1_u8(ref[0] + i * ref_stride), &sum[0]); + sad8_neon(s, vld1_u8(ref[1] + i * ref_stride), &sum[1]); + sad8_neon(s, vld1_u8(ref[2] + i * ref_stride), &sum[2]); + sad8_neon(s, vld1_u8(ref[3] + i * ref_stride), &sum[3]); + + i++; + } while (i < h); + + vst1q_u32(res, horizontal_add_4d_uint16x8(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] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0), + vdupq_n_u16(0) }; + + int i = 0; + do { + uint8x8_t s = load_unaligned_u8(src + i * src_stride, src_stride); + uint8x8_t r0 = load_unaligned_u8(ref[0] + i * ref_stride, ref_stride); + uint8x8_t r1 = load_unaligned_u8(ref[1] + i * ref_stride, ref_stride); + uint8x8_t r2 = load_unaligned_u8(ref[2] + i * ref_stride, ref_stride); + uint8x8_t r3 = load_unaligned_u8(ref[3] + i * ref_stride, ref_stride); + + sad8_neon(s, r0, &sum[0]); + sad8_neon(s, r1, &sum[1]); + sad8_neon(s, r2, &sum[2]); + sad8_neon(s, r3, &sum[3]); + + i += 2; + } while (i < h); + + vst1q_u32(res, horizontal_add_4d_uint16x8(sum)); +} + +#define SAD_WXH_4D_NEON(w, h) \ + void vpx_sad##w##x##h##x4d_neon(const uint8_t *src_ptr, int src_stride, \ + const uint8_t *const ref_array[4], \ + int ref_stride, uint32_t sad_array[4]) { \ + sad##w##xhx4d_neon(src_ptr, src_stride, ref_array, ref_stride, sad_array, \ + (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) + +#undef SAD_WXH_4D_NEON + +#define SAD_SKIP_WXH_4D_NEON(w, h) \ + void vpx_sad_skip_##w##x##h##x4d_neon( \ + const uint8_t *src_ptr, int src_stride, \ + const uint8_t *const ref_array[4], int ref_stride, \ + uint32_t sad_array[4]) { \ + sad##w##xhx4d_neon(src_ptr, 2 * src_stride, ref_array, 2 * ref_stride, \ + sad_array, ((h) >> 1)); \ + sad_array[0] <<= 1; \ + sad_array[1] <<= 1; \ + sad_array[2] <<= 1; \ + sad_array[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) + +#undef SAD_SKIP_WXH_4D_NEON |