diff options
Diffstat (limited to 'third_party/aom/av1/common/arm/warp_plane_sve.c')
-rw-r--r-- | third_party/aom/av1/common/arm/warp_plane_sve.c | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/warp_plane_sve.c b/third_party/aom/av1/common/arm/warp_plane_sve.c new file mode 100644 index 0000000000..8a4bf5747b --- /dev/null +++ b/third_party/aom/av1/common/arm/warp_plane_sve.c @@ -0,0 +1,284 @@ +/* + * Copyright (c) 2023, 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 "aom_dsp/arm/dot_sve.h" +#include "warp_plane_neon.h" + +DECLARE_ALIGNED(16, static const uint8_t, usdot_permute_idx[48]) = { + 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6, + 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10, + 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 +}; + +static INLINE int16x8_t horizontal_filter_4x1_f4(const uint8x16_t in, int sx, + int alpha) { + const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); + + // Loading the 8 filter taps + int16x8_t f[4]; + load_filters_4(f, sx, alpha); + + int8x16_t f01_u8 = vcombine_s8(vmovn_s16(f[0]), vmovn_s16(f[1])); + int8x16_t f23_u8 = vcombine_s8(vmovn_s16(f[2]), vmovn_s16(f[3])); + + uint8x8_t in0 = vget_low_u8(in); + uint8x8_t in1 = vget_low_u8(vextq_u8(in, in, 1)); + uint8x8_t in2 = vget_low_u8(vextq_u8(in, in, 2)); + uint8x8_t in3 = vget_low_u8(vextq_u8(in, in, 3)); + + int32x4_t m01 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in0, in1), f01_u8); + int32x4_t m23 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in2, in3), f23_u8); + + int32x4_t tmp_res_low = vpaddq_s32(m01, m23); + + tmp_res_low = vaddq_s32(tmp_res_low, add_const); + + uint16x8_t res = + vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), vdup_n_u16(0)); + return vreinterpretq_s16_u16(res); +} + +static INLINE int16x8_t horizontal_filter_8x1_f8(const uint8x16_t in, int sx, + int alpha) { + const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); + + // Loading the 8 filter taps + int16x8_t f[8]; + load_filters_8(f, sx, alpha); + + int8x16_t f01_u8 = vcombine_s8(vmovn_s16(f[0]), vmovn_s16(f[1])); + int8x16_t f23_u8 = vcombine_s8(vmovn_s16(f[2]), vmovn_s16(f[3])); + int8x16_t f45_u8 = vcombine_s8(vmovn_s16(f[4]), vmovn_s16(f[5])); + int8x16_t f67_u8 = vcombine_s8(vmovn_s16(f[6]), vmovn_s16(f[7])); + + uint8x8_t in0 = vget_low_u8(in); + uint8x8_t in1 = vget_low_u8(vextq_u8(in, in, 1)); + uint8x8_t in2 = vget_low_u8(vextq_u8(in, in, 2)); + uint8x8_t in3 = vget_low_u8(vextq_u8(in, in, 3)); + uint8x8_t in4 = vget_low_u8(vextq_u8(in, in, 4)); + uint8x8_t in5 = vget_low_u8(vextq_u8(in, in, 5)); + uint8x8_t in6 = vget_low_u8(vextq_u8(in, in, 6)); + uint8x8_t in7 = vget_low_u8(vextq_u8(in, in, 7)); + + int32x4_t m01 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in0, in1), f01_u8); + int32x4_t m23 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in2, in3), f23_u8); + int32x4_t m45 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in4, in5), f45_u8); + int32x4_t m67 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in6, in7), f67_u8); + + int32x4_t tmp_res_low = vpaddq_s32(m01, m23); + int32x4_t tmp_res_high = vpaddq_s32(m45, m67); + + tmp_res_low = vaddq_s32(tmp_res_low, add_const); + tmp_res_high = vaddq_s32(tmp_res_high, add_const); + + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), + vqrshrun_n_s32(tmp_res_high, ROUND0_BITS)); + return vreinterpretq_s16_u16(res); +} + +static INLINE int16x8_t horizontal_filter_4x1_f1(const uint8x16_t in, int sx) { + const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); + + int16x8_t f_s16 = + vld1q_s16((int16_t *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS))); + + int8x16_t f_s8 = vcombine_s8(vmovn_s16(f_s16), vmovn_s16(f_s16)); + + uint8x16_t perm0 = vld1q_u8(&usdot_permute_idx[0]); + uint8x16_t perm1 = vld1q_u8(&usdot_permute_idx[16]); + + // Permute samples ready for dot product. + // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } + // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } + uint8x16_t in_0123 = vqtbl1q_u8(in, perm0); + uint8x16_t in_4567 = vqtbl1q_u8(in, perm1); + + int32x4_t m0123 = vusdotq_laneq_s32(vdupq_n_s32(0), in_0123, f_s8, 0); + m0123 = vusdotq_laneq_s32(m0123, in_4567, f_s8, 1); + + int32x4_t tmp_res_low = m0123; + + tmp_res_low = vaddq_s32(tmp_res_low, add_const); + + uint16x8_t res = + vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), vdup_n_u16(0)); + return vreinterpretq_s16_u16(res); +} + +static INLINE int16x8_t horizontal_filter_8x1_f1(const uint8x16_t in, int sx) { + const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); + + int16x8_t f_s16 = + vld1q_s16((int16_t *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS))); + + int8x16_t f_s8 = vcombine_s8(vmovn_s16(f_s16), vmovn_s16(f_s16)); + + uint8x16_t perm0 = vld1q_u8(&usdot_permute_idx[0]); + uint8x16_t perm1 = vld1q_u8(&usdot_permute_idx[16]); + uint8x16_t perm2 = vld1q_u8(&usdot_permute_idx[32]); + + // Permute samples ready for dot product. + // { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 } + // { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } + // { 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 } + uint8x16_t in_0123 = vqtbl1q_u8(in, perm0); + uint8x16_t in_4567 = vqtbl1q_u8(in, perm1); + uint8x16_t in_89ab = vqtbl1q_u8(in, perm2); + + int32x4_t m0123 = vusdotq_laneq_s32(vdupq_n_s32(0), in_0123, f_s8, 0); + m0123 = vusdotq_laneq_s32(m0123, in_4567, f_s8, 1); + + int32x4_t m4567 = vusdotq_laneq_s32(vdupq_n_s32(0), in_4567, f_s8, 0); + m4567 = vusdotq_laneq_s32(m4567, in_89ab, f_s8, 1); + + int32x4_t tmp_res_low = m0123; + int32x4_t tmp_res_high = m4567; + + tmp_res_low = vaddq_s32(tmp_res_low, add_const); + tmp_res_high = vaddq_s32(tmp_res_high, add_const); + + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), + vqrshrun_n_s32(tmp_res_high, ROUND0_BITS)); + return vreinterpretq_s16_u16(res); +} + +static INLINE void vertical_filter_4x1_f1(const int16x8_t *src, int32x4_t *res, + int sy) { + int16x4_t s0 = vget_low_s16(src[0]); + int16x4_t s1 = vget_low_s16(src[1]); + int16x4_t s2 = vget_low_s16(src[2]); + int16x4_t s3 = vget_low_s16(src[3]); + int16x4_t s4 = vget_low_s16(src[4]); + int16x4_t s5 = vget_low_s16(src[5]); + int16x4_t s6 = vget_low_s16(src[6]); + int16x4_t s7 = vget_low_s16(src[7]); + + int16x8_t f = + vld1q_s16((int16_t *)(av1_warped_filter + (sy >> WARPEDDIFF_PREC_BITS))); + + int32x4_t m0123 = vmull_lane_s16(s0, vget_low_s16(f), 0); + m0123 = vmlal_lane_s16(m0123, s1, vget_low_s16(f), 1); + m0123 = vmlal_lane_s16(m0123, s2, vget_low_s16(f), 2); + m0123 = vmlal_lane_s16(m0123, s3, vget_low_s16(f), 3); + m0123 = vmlal_lane_s16(m0123, s4, vget_high_s16(f), 0); + m0123 = vmlal_lane_s16(m0123, s5, vget_high_s16(f), 1); + m0123 = vmlal_lane_s16(m0123, s6, vget_high_s16(f), 2); + m0123 = vmlal_lane_s16(m0123, s7, vget_high_s16(f), 3); + + *res = m0123; +} + +static INLINE void vertical_filter_4x1_f4(const int16x8_t *src, int32x4_t *res, + int sy, int gamma) { + int16x8_t s0, s1, s2, s3; + transpose_elems_s16_4x8( + vget_low_s16(src[0]), vget_low_s16(src[1]), vget_low_s16(src[2]), + vget_low_s16(src[3]), vget_low_s16(src[4]), vget_low_s16(src[5]), + vget_low_s16(src[6]), vget_low_s16(src[7]), &s0, &s1, &s2, &s3); + + int16x8_t f[4]; + load_filters_4(f, sy, gamma); + + int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), s0, f[0]); + int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), s1, f[1]); + int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), s2, f[2]); + int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), s3, f[3]); + + int64x2_t m01 = vpaddq_s64(m0, m1); + int64x2_t m23 = vpaddq_s64(m2, m3); + + *res = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23)); +} + +static INLINE void vertical_filter_8x1_f1(const int16x8_t *src, + int32x4_t *res_low, + int32x4_t *res_high, int sy) { + int16x8_t s0 = src[0]; + int16x8_t s1 = src[1]; + int16x8_t s2 = src[2]; + int16x8_t s3 = src[3]; + int16x8_t s4 = src[4]; + int16x8_t s5 = src[5]; + int16x8_t s6 = src[6]; + int16x8_t s7 = src[7]; + + int16x8_t f = + vld1q_s16((int16_t *)(av1_warped_filter + (sy >> WARPEDDIFF_PREC_BITS))); + + int32x4_t m0123 = vmull_lane_s16(vget_low_s16(s0), vget_low_s16(f), 0); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s1), vget_low_s16(f), 1); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s2), vget_low_s16(f), 2); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s3), vget_low_s16(f), 3); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s4), vget_high_s16(f), 0); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s5), vget_high_s16(f), 1); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s6), vget_high_s16(f), 2); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s7), vget_high_s16(f), 3); + + int32x4_t m4567 = vmull_lane_s16(vget_high_s16(s0), vget_low_s16(f), 0); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s1), vget_low_s16(f), 1); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s2), vget_low_s16(f), 2); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s3), vget_low_s16(f), 3); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s4), vget_high_s16(f), 0); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s5), vget_high_s16(f), 1); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s6), vget_high_s16(f), 2); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s7), vget_high_s16(f), 3); + + *res_low = m0123; + *res_high = m4567; +} + +static INLINE void vertical_filter_8x1_f8(const int16x8_t *src, + int32x4_t *res_low, + int32x4_t *res_high, int sy, + int gamma) { + int16x8_t s0 = src[0]; + int16x8_t s1 = src[1]; + int16x8_t s2 = src[2]; + int16x8_t s3 = src[3]; + int16x8_t s4 = src[4]; + int16x8_t s5 = src[5]; + int16x8_t s6 = src[6]; + int16x8_t s7 = src[7]; + transpose_elems_inplace_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7); + + int16x8_t f[8]; + load_filters_8(f, sy, gamma); + + int64x2_t m0 = aom_sdotq_s16(vdupq_n_s64(0), s0, f[0]); + int64x2_t m1 = aom_sdotq_s16(vdupq_n_s64(0), s1, f[1]); + int64x2_t m2 = aom_sdotq_s16(vdupq_n_s64(0), s2, f[2]); + int64x2_t m3 = aom_sdotq_s16(vdupq_n_s64(0), s3, f[3]); + int64x2_t m4 = aom_sdotq_s16(vdupq_n_s64(0), s4, f[4]); + int64x2_t m5 = aom_sdotq_s16(vdupq_n_s64(0), s5, f[5]); + int64x2_t m6 = aom_sdotq_s16(vdupq_n_s64(0), s6, f[6]); + int64x2_t m7 = aom_sdotq_s16(vdupq_n_s64(0), s7, f[7]); + + int64x2_t m01 = vpaddq_s64(m0, m1); + int64x2_t m23 = vpaddq_s64(m2, m3); + int64x2_t m45 = vpaddq_s64(m4, m5); + int64x2_t m67 = vpaddq_s64(m6, m7); + + *res_low = vcombine_s32(vmovn_s64(m01), vmovn_s64(m23)); + *res_high = vcombine_s32(vmovn_s64(m45), vmovn_s64(m67)); +} + +void av1_warp_affine_sve(const int32_t *mat, const uint8_t *ref, int width, + int height, int stride, uint8_t *pred, int p_col, + int p_row, int p_width, int p_height, int p_stride, + int subsampling_x, int subsampling_y, + ConvolveParams *conv_params, int16_t alpha, + int16_t beta, int16_t gamma, int16_t delta) { + av1_warp_affine_common(mat, ref, width, height, stride, pred, p_col, p_row, + p_width, p_height, p_stride, subsampling_x, + subsampling_y, conv_params, alpha, beta, gamma, delta); +} |