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Diffstat (limited to 'third_party/aom/av1/common/arm/warp_plane_neon.c')
-rw-r--r--third_party/aom/av1/common/arm/warp_plane_neon.c276
1 files changed, 276 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/warp_plane_neon.c b/third_party/aom/av1/common/arm/warp_plane_neon.c
new file mode 100644
index 0000000000..4723154398
--- /dev/null
+++ b/third_party/aom/av1/common/arm/warp_plane_neon.c
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 2018, 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 "warp_plane_neon.h"
+
+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);
+
+ int16x8_t in16_lo = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in)));
+ int16x8_t in16_hi = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(in)));
+
+ int16x8_t m0 = vmulq_s16(f[0], in16_lo);
+ int16x8_t m1 = vmulq_s16(f[1], vextq_s16(in16_lo, in16_hi, 1));
+ int16x8_t m2 = vmulq_s16(f[2], vextq_s16(in16_lo, in16_hi, 2));
+ int16x8_t m3 = vmulq_s16(f[3], vextq_s16(in16_lo, in16_hi, 3));
+
+ int32x4_t m0123_pairs[] = { vpaddlq_s16(m0), vpaddlq_s16(m1), vpaddlq_s16(m2),
+ vpaddlq_s16(m3) };
+
+ int32x4_t tmp_res_low = horizontal_add_4d_s32x4(m0123_pairs);
+
+ 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);
+
+ int16x8_t in16_lo = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in)));
+ int16x8_t in16_hi = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(in)));
+
+ int16x8_t m0 = vmulq_s16(f[0], in16_lo);
+ int16x8_t m1 = vmulq_s16(f[1], vextq_s16(in16_lo, in16_hi, 1));
+ int16x8_t m2 = vmulq_s16(f[2], vextq_s16(in16_lo, in16_hi, 2));
+ int16x8_t m3 = vmulq_s16(f[3], vextq_s16(in16_lo, in16_hi, 3));
+ int16x8_t m4 = vmulq_s16(f[4], vextq_s16(in16_lo, in16_hi, 4));
+ int16x8_t m5 = vmulq_s16(f[5], vextq_s16(in16_lo, in16_hi, 5));
+ int16x8_t m6 = vmulq_s16(f[6], vextq_s16(in16_lo, in16_hi, 6));
+ int16x8_t m7 = vmulq_s16(f[7], vextq_s16(in16_lo, in16_hi, 7));
+
+ int32x4_t m0123_pairs[] = { vpaddlq_s16(m0), vpaddlq_s16(m1), vpaddlq_s16(m2),
+ vpaddlq_s16(m3) };
+ int32x4_t m4567_pairs[] = { vpaddlq_s16(m4), vpaddlq_s16(m5), vpaddlq_s16(m6),
+ vpaddlq_s16(m7) };
+
+ int32x4_t tmp_res_low = horizontal_add_4d_s32x4(m0123_pairs);
+ int32x4_t tmp_res_high = horizontal_add_4d_s32x4(m4567_pairs);
+
+ 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)));
+
+ int16x8_t in16_lo = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in)));
+ int16x8_t in16_hi = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(in)));
+
+ int16x8_t m0 = vmulq_s16(f_s16, in16_lo);
+ int16x8_t m1 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 1));
+ int16x8_t m2 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 2));
+ int16x8_t m3 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 3));
+
+ int32x4_t m0123_pairs[] = { vpaddlq_s16(m0), vpaddlq_s16(m1), vpaddlq_s16(m2),
+ vpaddlq_s16(m3) };
+
+ int32x4_t tmp_res_low = horizontal_add_4d_s32x4(m0123_pairs);
+
+ 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)));
+
+ int16x8_t in16_lo = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in)));
+ int16x8_t in16_hi = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(in)));
+
+ int16x8_t m0 = vmulq_s16(f_s16, in16_lo);
+ int16x8_t m1 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 1));
+ int16x8_t m2 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 2));
+ int16x8_t m3 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 3));
+ int16x8_t m4 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 4));
+ int16x8_t m5 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 5));
+ int16x8_t m6 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 6));
+ int16x8_t m7 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 7));
+
+ int32x4_t m0123_pairs[] = { vpaddlq_s16(m0), vpaddlq_s16(m1), vpaddlq_s16(m2),
+ vpaddlq_s16(m3) };
+ int32x4_t m4567_pairs[] = { vpaddlq_s16(m4), vpaddlq_s16(m5), vpaddlq_s16(m6),
+ vpaddlq_s16(m7) };
+
+ int32x4_t tmp_res_low = horizontal_add_4d_s32x4(m0123_pairs);
+ int32x4_t tmp_res_high = horizontal_add_4d_s32x4(m4567_pairs);
+
+ 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);
+
+ int32x4_t m0 = vmull_s16(vget_low_s16(s0), vget_low_s16(f[0]));
+ m0 = vmlal_s16(m0, vget_high_s16(s0), vget_high_s16(f[0]));
+ int32x4_t m1 = vmull_s16(vget_low_s16(s1), vget_low_s16(f[1]));
+ m1 = vmlal_s16(m1, vget_high_s16(s1), vget_high_s16(f[1]));
+ int32x4_t m2 = vmull_s16(vget_low_s16(s2), vget_low_s16(f[2]));
+ m2 = vmlal_s16(m2, vget_high_s16(s2), vget_high_s16(f[2]));
+ int32x4_t m3 = vmull_s16(vget_low_s16(s3), vget_low_s16(f[3]));
+ m3 = vmlal_s16(m3, vget_high_s16(s3), vget_high_s16(f[3]));
+
+ int32x4_t m0123_pairs[] = { m0, m1, m2, m3 };
+
+ *res = horizontal_add_4d_s32x4(m0123_pairs);
+}
+
+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);
+
+ int32x4_t m0 = vmull_s16(vget_low_s16(s0), vget_low_s16(f[0]));
+ m0 = vmlal_s16(m0, vget_high_s16(s0), vget_high_s16(f[0]));
+ int32x4_t m1 = vmull_s16(vget_low_s16(s1), vget_low_s16(f[1]));
+ m1 = vmlal_s16(m1, vget_high_s16(s1), vget_high_s16(f[1]));
+ int32x4_t m2 = vmull_s16(vget_low_s16(s2), vget_low_s16(f[2]));
+ m2 = vmlal_s16(m2, vget_high_s16(s2), vget_high_s16(f[2]));
+ int32x4_t m3 = vmull_s16(vget_low_s16(s3), vget_low_s16(f[3]));
+ m3 = vmlal_s16(m3, vget_high_s16(s3), vget_high_s16(f[3]));
+ int32x4_t m4 = vmull_s16(vget_low_s16(s4), vget_low_s16(f[4]));
+ m4 = vmlal_s16(m4, vget_high_s16(s4), vget_high_s16(f[4]));
+ int32x4_t m5 = vmull_s16(vget_low_s16(s5), vget_low_s16(f[5]));
+ m5 = vmlal_s16(m5, vget_high_s16(s5), vget_high_s16(f[5]));
+ int32x4_t m6 = vmull_s16(vget_low_s16(s6), vget_low_s16(f[6]));
+ m6 = vmlal_s16(m6, vget_high_s16(s6), vget_high_s16(f[6]));
+ int32x4_t m7 = vmull_s16(vget_low_s16(s7), vget_low_s16(f[7]));
+ m7 = vmlal_s16(m7, vget_high_s16(s7), vget_high_s16(f[7]));
+
+ int32x4_t m0123_pairs[] = { m0, m1, m2, m3 };
+ int32x4_t m4567_pairs[] = { m4, m5, m6, m7 };
+
+ *res_low = horizontal_add_4d_s32x4(m0123_pairs);
+ *res_high = horizontal_add_4d_s32x4(m4567_pairs);
+}
+
+void av1_warp_affine_neon(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);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-26 05:21:35 +0000