summaryrefslogtreecommitdiffstats
path: root/third_party/aom/av1/common/arm/highbd_convolve_scale_neon.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--third_party/aom/av1/common/arm/highbd_convolve_scale_neon.c552
1 files changed, 552 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/highbd_convolve_scale_neon.c b/third_party/aom/av1/common/arm/highbd_convolve_scale_neon.c
new file mode 100644
index 0000000000..702c651536
--- /dev/null
+++ b/third_party/aom/av1/common/arm/highbd_convolve_scale_neon.c
@@ -0,0 +1,552 @@
+/*
+ * 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 <assert.h>
+#include <arm_neon.h>
+
+#include "config/aom_config.h"
+#include "config/av1_rtcd.h"
+
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_dsp/arm/mem_neon.h"
+#include "aom_dsp/arm/transpose_neon.h"
+#include "aom_ports/mem.h"
+#include "av1/common/convolve.h"
+#include "av1/common/filter.h"
+#include "av1/common/arm/highbd_convolve_neon.h"
+
+static INLINE void highbd_dist_wtd_comp_avg_neon(
+ const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride,
+ int w, int h, ConvolveParams *conv_params, const int round_bits,
+ const int offset, const int bd) {
+ CONV_BUF_TYPE *ref_ptr = conv_params->dst;
+ const int ref_stride = conv_params->dst_stride;
+ const int32x4_t round_shift = vdupq_n_s32(-round_bits);
+ const uint32x4_t offset_vec = vdupq_n_u32(offset);
+ const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
+ uint16x4_t fwd_offset = vdup_n_u16(conv_params->fwd_offset);
+ uint16x4_t bck_offset = vdup_n_u16(conv_params->bck_offset);
+
+ // Weighted averaging
+ if (w <= 4) {
+ do {
+ const uint16x4_t src = vld1_u16(src_ptr);
+ const uint16x4_t ref = vld1_u16(ref_ptr);
+
+ uint32x4_t wtd_avg = vmull_u16(ref, fwd_offset);
+ wtd_avg = vmlal_u16(wtd_avg, src, bck_offset);
+ wtd_avg = vshrq_n_u32(wtd_avg, DIST_PRECISION_BITS);
+ int32x4_t d0 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg, offset_vec));
+ d0 = vqrshlq_s32(d0, round_shift);
+
+ uint16x4_t d0_u16 = vqmovun_s32(d0);
+ d0_u16 = vmin_u16(d0_u16, vget_low_u16(max));
+
+ if (w == 2) {
+ store_u16_2x1(dst_ptr, d0_u16);
+ } else {
+ vst1_u16(dst_ptr, d0_u16);
+ }
+
+ src_ptr += src_stride;
+ dst_ptr += dst_stride;
+ ref_ptr += ref_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ int width = w;
+ const uint16_t *src = src_ptr;
+ const uint16_t *ref = ref_ptr;
+ uint16_t *dst = dst_ptr;
+ do {
+ const uint16x8_t s = vld1q_u16(src);
+ const uint16x8_t r = vld1q_u16(ref);
+
+ uint32x4_t wtd_avg0 = vmull_u16(vget_low_u16(r), fwd_offset);
+ wtd_avg0 = vmlal_u16(wtd_avg0, vget_low_u16(s), bck_offset);
+ wtd_avg0 = vshrq_n_u32(wtd_avg0, DIST_PRECISION_BITS);
+ int32x4_t d0 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg0, offset_vec));
+ d0 = vqrshlq_s32(d0, round_shift);
+
+ uint32x4_t wtd_avg1 = vmull_u16(vget_high_u16(r), fwd_offset);
+ wtd_avg1 = vmlal_u16(wtd_avg1, vget_high_u16(s), bck_offset);
+ wtd_avg1 = vshrq_n_u32(wtd_avg1, DIST_PRECISION_BITS);
+ int32x4_t d1 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg1, offset_vec));
+ d1 = vqrshlq_s32(d1, round_shift);
+
+ uint16x8_t d01 = vcombine_u16(vqmovun_s32(d0), vqmovun_s32(d1));
+ d01 = vminq_u16(d01, max);
+ vst1q_u16(dst, d01);
+
+ src += 8;
+ ref += 8;
+ dst += 8;
+ width -= 8;
+ } while (width != 0);
+ src_ptr += src_stride;
+ dst_ptr += dst_stride;
+ ref_ptr += ref_stride;
+ } while (--h != 0);
+ }
+}
+
+static INLINE void highbd_comp_avg_neon(const uint16_t *src_ptr, int src_stride,
+ uint16_t *dst_ptr, int dst_stride,
+ int w, int h,
+ ConvolveParams *conv_params,
+ const int round_bits, const int offset,
+ const int bd) {
+ CONV_BUF_TYPE *ref_ptr = conv_params->dst;
+ const int ref_stride = conv_params->dst_stride;
+ const int32x4_t round_shift = vdupq_n_s32(-round_bits);
+ const uint16x4_t offset_vec = vdup_n_u16(offset);
+ const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
+
+ if (w <= 4) {
+ do {
+ const uint16x4_t src = vld1_u16(src_ptr);
+ const uint16x4_t ref = vld1_u16(ref_ptr);
+
+ uint16x4_t avg = vhadd_u16(src, ref);
+ int32x4_t d0 = vreinterpretq_s32_u32(vsubl_u16(avg, offset_vec));
+ d0 = vqrshlq_s32(d0, round_shift);
+
+ uint16x4_t d0_u16 = vqmovun_s32(d0);
+ d0_u16 = vmin_u16(d0_u16, vget_low_u16(max));
+
+ if (w == 2) {
+ store_u16_2x1(dst_ptr, d0_u16);
+ } else {
+ vst1_u16(dst_ptr, d0_u16);
+ }
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ dst_ptr += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ int width = w;
+ const uint16_t *src = src_ptr;
+ const uint16_t *ref = ref_ptr;
+ uint16_t *dst = dst_ptr;
+ do {
+ const uint16x8_t s = vld1q_u16(src);
+ const uint16x8_t r = vld1q_u16(ref);
+
+ uint16x8_t avg = vhaddq_u16(s, r);
+ int32x4_t d0_lo =
+ vreinterpretq_s32_u32(vsubl_u16(vget_low_u16(avg), offset_vec));
+ int32x4_t d0_hi =
+ vreinterpretq_s32_u32(vsubl_u16(vget_high_u16(avg), offset_vec));
+ d0_lo = vqrshlq_s32(d0_lo, round_shift);
+ d0_hi = vqrshlq_s32(d0_hi, round_shift);
+
+ uint16x8_t d0 = vcombine_u16(vqmovun_s32(d0_lo), vqmovun_s32(d0_hi));
+ d0 = vminq_u16(d0, max);
+ vst1q_u16(dst, d0);
+
+ src += 8;
+ ref += 8;
+ dst += 8;
+ width -= 8;
+ } while (width != 0);
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ dst_ptr += dst_stride;
+ } while (--h != 0);
+ }
+}
+
+static INLINE void highbd_convolve_2d_x_scale_8tap_neon(
+ const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride,
+ int w, int h, const int subpel_x_qn, const int x_step_qn,
+ const InterpFilterParams *filter_params, ConvolveParams *conv_params,
+ const int offset) {
+ static const uint32_t kIdx[4] = { 0, 1, 2, 3 };
+ const uint32x4_t idx = vld1q_u32(kIdx);
+ const uint32x4_t subpel_mask = vdupq_n_u32(SCALE_SUBPEL_MASK);
+ const int32x4_t shift_s32 = vdupq_n_s32(-conv_params->round_0);
+ const int32x4_t offset_s32 = vdupq_n_s32(offset);
+
+ if (w <= 4) {
+ int height = h;
+ uint16_t *d = dst_ptr;
+
+ do {
+ int x_qn = subpel_x_qn;
+
+ // Load 4 src vectors at a time, they might be the same, but we have to
+ // calculate the indices anyway. Doing it in SIMD and then storing the
+ // indices is faster than having to calculate the expression
+ // &src_ptr[((x_qn + 0*x_step_qn) >> SCALE_SUBPEL_BITS)] 4 times
+ // Ideally this should be a gather using the indices, but NEON does not
+ // have that, so have to emulate
+ const uint32x4_t xqn_idx = vmlaq_n_u32(vdupq_n_u32(x_qn), idx, x_step_qn);
+ // We have to multiply x2 to get the actual pointer as sizeof(uint16_t) =
+ // 2
+ const uint32x4_t src_idx_u32 =
+ vshlq_n_u32(vshrq_n_u32(xqn_idx, SCALE_SUBPEL_BITS), 1);
+#if AOM_ARCH_AARCH64
+ uint64x2_t src4[2];
+ src4[0] = vaddw_u32(vdupq_n_u64((const uint64_t)src_ptr),
+ vget_low_u32(src_idx_u32));
+ src4[1] = vaddw_u32(vdupq_n_u64((const uint64_t)src_ptr),
+ vget_high_u32(src_idx_u32));
+ int16_t *src4_ptr[4];
+ uint64_t *tmp_ptr = (uint64_t *)&src4_ptr;
+ vst1q_u64(tmp_ptr, src4[0]);
+ vst1q_u64(tmp_ptr + 2, src4[1]);
+#else
+ uint32x4_t src4;
+ src4 = vaddq_u32(vdupq_n_u32((const uint32_t)src_ptr), src_idx_u32);
+ int16_t *src4_ptr[4];
+ uint32_t *tmp_ptr = (uint32_t *)&src4_ptr;
+ vst1q_u32(tmp_ptr, src4);
+#endif // AOM_ARCH_AARCH64
+ // Same for the filter vectors
+ const int32x4_t filter_idx_s32 = vreinterpretq_s32_u32(
+ vshrq_n_u32(vandq_u32(xqn_idx, subpel_mask), SCALE_EXTRA_BITS));
+ int32_t x_filter4_idx[4];
+ vst1q_s32(x_filter4_idx, filter_idx_s32);
+ const int16_t *x_filter4_ptr[4];
+
+ // Load source
+ int16x8_t s0 = vld1q_s16(src4_ptr[0]);
+ int16x8_t s1 = vld1q_s16(src4_ptr[1]);
+ int16x8_t s2 = vld1q_s16(src4_ptr[2]);
+ int16x8_t s3 = vld1q_s16(src4_ptr[3]);
+
+ // We could easily do this using SIMD as well instead of calling the
+ // inline function 4 times.
+ x_filter4_ptr[0] =
+ av1_get_interp_filter_subpel_kernel(filter_params, x_filter4_idx[0]);
+ x_filter4_ptr[1] =
+ av1_get_interp_filter_subpel_kernel(filter_params, x_filter4_idx[1]);
+ x_filter4_ptr[2] =
+ av1_get_interp_filter_subpel_kernel(filter_params, x_filter4_idx[2]);
+ x_filter4_ptr[3] =
+ av1_get_interp_filter_subpel_kernel(filter_params, x_filter4_idx[3]);
+
+ // Actually load the filters
+ const int16x8_t x_filter0 = vld1q_s16(x_filter4_ptr[0]);
+ const int16x8_t x_filter1 = vld1q_s16(x_filter4_ptr[1]);
+ const int16x8_t x_filter2 = vld1q_s16(x_filter4_ptr[2]);
+ const int16x8_t x_filter3 = vld1q_s16(x_filter4_ptr[3]);
+
+ // Group low and high parts and transpose
+ int16x4_t filters_lo[] = { vget_low_s16(x_filter0),
+ vget_low_s16(x_filter1),
+ vget_low_s16(x_filter2),
+ vget_low_s16(x_filter3) };
+ int16x4_t filters_hi[] = { vget_high_s16(x_filter0),
+ vget_high_s16(x_filter1),
+ vget_high_s16(x_filter2),
+ vget_high_s16(x_filter3) };
+ transpose_array_inplace_u16_4x4((uint16x4_t *)filters_lo);
+ transpose_array_inplace_u16_4x4((uint16x4_t *)filters_hi);
+
+ // Run the 2D Scale convolution
+ uint16x4_t d0 = highbd_convolve8_2d_scale_horiz4x8_s32_s16(
+ s0, s1, s2, s3, filters_lo, filters_hi, shift_s32, offset_s32);
+
+ if (w == 2) {
+ store_u16_2x1(d, d0);
+ } else {
+ vst1_u16(d, d0);
+ }
+
+ src_ptr += src_stride;
+ d += dst_stride;
+ height--;
+ } while (height > 0);
+ } else {
+ int height = h;
+
+ do {
+ int width = w;
+ int x_qn = subpel_x_qn;
+ uint16_t *d = dst_ptr;
+ const uint16_t *s = src_ptr;
+
+ do {
+ // Load 4 src vectors at a time, they might be the same, but we have to
+ // calculate the indices anyway. Doing it in SIMD and then storing the
+ // indices is faster than having to calculate the expression
+ // &src_ptr[((x_qn + 0*x_step_qn) >> SCALE_SUBPEL_BITS)] 4 times
+ // Ideally this should be a gather using the indices, but NEON does not
+ // have that, so have to emulate
+ const uint32x4_t xqn_idx =
+ vmlaq_n_u32(vdupq_n_u32(x_qn), idx, x_step_qn);
+ // We have to multiply x2 to get the actual pointer as sizeof(uint16_t)
+ // = 2
+ const uint32x4_t src_idx_u32 =
+ vshlq_n_u32(vshrq_n_u32(xqn_idx, SCALE_SUBPEL_BITS), 1);
+#if AOM_ARCH_AARCH64
+ uint64x2_t src4[2];
+ src4[0] = vaddw_u32(vdupq_n_u64((const uint64_t)s),
+ vget_low_u32(src_idx_u32));
+ src4[1] = vaddw_u32(vdupq_n_u64((const uint64_t)s),
+ vget_high_u32(src_idx_u32));
+ int16_t *src4_ptr[4];
+ uint64_t *tmp_ptr = (uint64_t *)&src4_ptr;
+ vst1q_u64(tmp_ptr, src4[0]);
+ vst1q_u64(tmp_ptr + 2, src4[1]);
+#else
+ uint32x4_t src4;
+ src4 = vaddq_u32(vdupq_n_u32((const uint32_t)s), src_idx_u32);
+ int16_t *src4_ptr[4];
+ uint32_t *tmp_ptr = (uint32_t *)&src4_ptr;
+ vst1q_u32(tmp_ptr, src4);
+#endif // AOM_ARCH_AARCH64
+ // Same for the filter vectors
+ const int32x4_t filter_idx_s32 = vreinterpretq_s32_u32(
+ vshrq_n_u32(vandq_u32(xqn_idx, subpel_mask), SCALE_EXTRA_BITS));
+ int32_t x_filter4_idx[4];
+ vst1q_s32(x_filter4_idx, filter_idx_s32);
+ const int16_t *x_filter4_ptr[4];
+
+ // Load source
+ int16x8_t s0 = vld1q_s16(src4_ptr[0]);
+ int16x8_t s1 = vld1q_s16(src4_ptr[1]);
+ int16x8_t s2 = vld1q_s16(src4_ptr[2]);
+ int16x8_t s3 = vld1q_s16(src4_ptr[3]);
+
+ // We could easily do this using SIMD as well instead of calling the
+ // inline function 4 times.
+ x_filter4_ptr[0] = av1_get_interp_filter_subpel_kernel(
+ filter_params, x_filter4_idx[0]);
+ x_filter4_ptr[1] = av1_get_interp_filter_subpel_kernel(
+ filter_params, x_filter4_idx[1]);
+ x_filter4_ptr[2] = av1_get_interp_filter_subpel_kernel(
+ filter_params, x_filter4_idx[2]);
+ x_filter4_ptr[3] = av1_get_interp_filter_subpel_kernel(
+ filter_params, x_filter4_idx[3]);
+
+ // Actually load the filters
+ const int16x8_t x_filter0 = vld1q_s16(x_filter4_ptr[0]);
+ const int16x8_t x_filter1 = vld1q_s16(x_filter4_ptr[1]);
+ const int16x8_t x_filter2 = vld1q_s16(x_filter4_ptr[2]);
+ const int16x8_t x_filter3 = vld1q_s16(x_filter4_ptr[3]);
+
+ // Group low and high parts and transpose
+ int16x4_t filters_lo[] = { vget_low_s16(x_filter0),
+ vget_low_s16(x_filter1),
+ vget_low_s16(x_filter2),
+ vget_low_s16(x_filter3) };
+ int16x4_t filters_hi[] = { vget_high_s16(x_filter0),
+ vget_high_s16(x_filter1),
+ vget_high_s16(x_filter2),
+ vget_high_s16(x_filter3) };
+ transpose_array_inplace_u16_4x4((uint16x4_t *)filters_lo);
+ transpose_array_inplace_u16_4x4((uint16x4_t *)filters_hi);
+
+ // Run the 2D Scale X convolution
+ uint16x4_t d0 = highbd_convolve8_2d_scale_horiz4x8_s32_s16(
+ s0, s1, s2, s3, filters_lo, filters_hi, shift_s32, offset_s32);
+
+ vst1_u16(d, d0);
+
+ x_qn += 4 * x_step_qn;
+ d += 4;
+ width -= 4;
+ } while (width > 0);
+
+ src_ptr += src_stride;
+ dst_ptr += dst_stride;
+ height--;
+ } while (height > 0);
+ }
+}
+
+static INLINE void highbd_convolve_2d_y_scale_8tap_neon(
+ const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride,
+ int w, int h, const int subpel_y_qn, const int y_step_qn,
+ const InterpFilterParams *filter_params, const int round1_bits,
+ const int offset) {
+ const int32x4_t offset_s32 = vdupq_n_s32(1 << offset);
+
+ const int32x4_t round1_shift_s32 = vdupq_n_s32(-round1_bits);
+ if (w <= 4) {
+ int height = h;
+ uint16_t *d = dst_ptr;
+ int y_qn = subpel_y_qn;
+
+ do {
+ const int16_t *s =
+ (const int16_t *)&src_ptr[(y_qn >> SCALE_SUBPEL_BITS) * src_stride];
+
+ int16x4_t s0, s1, s2, s3, s4, s5, s6, s7;
+ load_s16_4x8(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
+
+ const int y_filter_idx = (y_qn & SCALE_SUBPEL_MASK) >> SCALE_EXTRA_BITS;
+ const int16_t *y_filter_ptr =
+ av1_get_interp_filter_subpel_kernel(filter_params, y_filter_idx);
+ const int16x8_t y_filter = vld1q_s16(y_filter_ptr);
+
+ uint16x4_t d0 = highbd_convolve8_4_srsub_s32_s16(
+ s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round1_shift_s32,
+ offset_s32, vdupq_n_s32(0));
+
+ if (w == 2) {
+ store_u16_2x1(d, d0);
+ } else {
+ vst1_u16(d, d0);
+ }
+
+ y_qn += y_step_qn;
+ d += dst_stride;
+ height--;
+ } while (height > 0);
+ } else {
+ int width = w;
+
+ do {
+ int height = h;
+ int y_qn = subpel_y_qn;
+
+ uint16_t *d = dst_ptr;
+
+ do {
+ const int16_t *s =
+ (const int16_t *)&src_ptr[(y_qn >> SCALE_SUBPEL_BITS) * src_stride];
+ int16x8_t s0, s1, s2, s3, s4, s5, s6, s7;
+ load_s16_8x8(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
+
+ const int y_filter_idx = (y_qn & SCALE_SUBPEL_MASK) >> SCALE_EXTRA_BITS;
+ const int16_t *y_filter_ptr =
+ av1_get_interp_filter_subpel_kernel(filter_params, y_filter_idx);
+ const int16x8_t y_filter = vld1q_s16(y_filter_ptr);
+
+ uint16x8_t d0 = highbd_convolve8_8_srsub_s32_s16(
+ s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round1_shift_s32,
+ offset_s32, vdupq_n_s32(0));
+ vst1q_u16(d, d0);
+
+ y_qn += y_step_qn;
+ d += dst_stride;
+ height--;
+ } while (height > 0);
+ src_ptr += 8;
+ dst_ptr += 8;
+ width -= 8;
+ } while (width > 0);
+ }
+}
+
+static INLINE void highbd_convolve_correct_offset_neon(
+ const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride,
+ int w, int h, const int round_bits, const int offset, const int bd) {
+ const int32x4_t round_shift_s32 = vdupq_n_s32(-round_bits);
+ const int16x4_t offset_s16 = vdup_n_s16(offset);
+ const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
+
+ if (w <= 4) {
+ for (int y = 0; y < h; ++y) {
+ const int16x4_t s = vld1_s16((const int16_t *)src_ptr + y * src_stride);
+ const int32x4_t d0 =
+ vqrshlq_s32(vsubl_s16(s, offset_s16), round_shift_s32);
+ uint16x4_t d = vqmovun_s32(d0);
+ d = vmin_u16(d, vget_low_u16(max));
+ if (w == 2) {
+ store_u16_2x1(dst_ptr + y * dst_stride, d);
+ } else {
+ vst1_u16(dst_ptr + y * dst_stride, d);
+ }
+ }
+ } else {
+ for (int y = 0; y < h; ++y) {
+ for (int x = 0; x < w; x += 8) {
+ // Subtract round offset and convolve round
+ const int16x8_t s =
+ vld1q_s16((const int16_t *)src_ptr + y * src_stride + x);
+ const int32x4_t d0 = vqrshlq_s32(vsubl_s16(vget_low_s16(s), offset_s16),
+ round_shift_s32);
+ const int32x4_t d1 = vqrshlq_s32(
+ vsubl_s16(vget_high_s16(s), offset_s16), round_shift_s32);
+ uint16x8_t d01 = vcombine_u16(vqmovun_s32(d0), vqmovun_s32(d1));
+ d01 = vminq_u16(d01, max);
+ vst1q_u16(dst_ptr + y * dst_stride + x, d01);
+ }
+ }
+ }
+}
+
+void av1_highbd_convolve_2d_scale_neon(
+ const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, int w,
+ int h, const InterpFilterParams *filter_params_x,
+ const InterpFilterParams *filter_params_y, const int subpel_x_qn,
+ const int x_step_qn, const int subpel_y_qn, const int y_step_qn,
+ ConvolveParams *conv_params, int bd) {
+ uint16_t *im_block = (uint16_t *)aom_memalign(
+ 16, 2 * sizeof(uint16_t) * MAX_SB_SIZE * (MAX_SB_SIZE + MAX_FILTER_TAP));
+ if (!im_block) return;
+ uint16_t *im_block2 = (uint16_t *)aom_memalign(
+ 16, 2 * sizeof(uint16_t) * MAX_SB_SIZE * (MAX_SB_SIZE + MAX_FILTER_TAP));
+ if (!im_block2) {
+ aom_free(im_block); // free the first block and return.
+ return;
+ }
+
+ int im_h = (((h - 1) * y_step_qn + subpel_y_qn) >> SCALE_SUBPEL_BITS) +
+ filter_params_y->taps;
+ const int im_stride = MAX_SB_SIZE;
+ const int bits =
+ FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1;
+ assert(bits >= 0);
+
+ const int vert_offset = filter_params_y->taps / 2 - 1;
+ const int horiz_offset = filter_params_x->taps / 2 - 1;
+ const int x_offset_bits = (1 << (bd + FILTER_BITS - 1));
+ const int y_offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0;
+ const int y_offset_correction =
+ ((1 << (y_offset_bits - conv_params->round_1)) +
+ (1 << (y_offset_bits - conv_params->round_1 - 1)));
+
+ CONV_BUF_TYPE *dst16 = conv_params->dst;
+ const int dst16_stride = conv_params->dst_stride;
+
+ const uint16_t *src_ptr = src - vert_offset * src_stride - horiz_offset;
+
+ highbd_convolve_2d_x_scale_8tap_neon(
+ src_ptr, src_stride, im_block, im_stride, w, im_h, subpel_x_qn, x_step_qn,
+ filter_params_x, conv_params, x_offset_bits);
+ if (conv_params->is_compound && !conv_params->do_average) {
+ highbd_convolve_2d_y_scale_8tap_neon(
+ im_block, im_stride, dst16, dst16_stride, w, h, subpel_y_qn, y_step_qn,
+ filter_params_y, conv_params->round_1, y_offset_bits);
+ } else {
+ highbd_convolve_2d_y_scale_8tap_neon(
+ im_block, im_stride, im_block2, im_stride, w, h, subpel_y_qn, y_step_qn,
+ filter_params_y, conv_params->round_1, y_offset_bits);
+ }
+
+ // Do the compound averaging outside the loop, avoids branching within the
+ // main loop
+ if (conv_params->is_compound) {
+ if (conv_params->do_average) {
+ if (conv_params->use_dist_wtd_comp_avg) {
+ highbd_dist_wtd_comp_avg_neon(im_block2, im_stride, dst, dst_stride, w,
+ h, conv_params, bits, y_offset_correction,
+ bd);
+ } else {
+ highbd_comp_avg_neon(im_block2, im_stride, dst, dst_stride, w, h,
+ conv_params, bits, y_offset_correction, bd);
+ }
+ }
+ } else {
+ highbd_convolve_correct_offset_neon(im_block2, im_stride, dst, dst_stride,
+ w, h, bits, y_offset_correction, bd);
+ }
+ aom_free(im_block);
+ aom_free(im_block2);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-27 09:54:43 +0000