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-rw-r--r--third_party/aom/av1/common/x86/convolve_2d_sse2.c547
1 files changed, 547 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/convolve_2d_sse2.c b/third_party/aom/av1/common/x86/convolve_2d_sse2.c
new file mode 100644
index 0000000000..1b85f37294
--- /dev/null
+++ b/third_party/aom/av1/common/x86/convolve_2d_sse2.c
@@ -0,0 +1,547 @@
+/*
+ * 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 <emmintrin.h>
+
+#include "config/av1_rtcd.h"
+
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_dsp/aom_filter.h"
+#include "aom_dsp/x86/convolve_sse2.h"
+#include "aom_dsp/x86/convolve_common_intrin.h"
+#include "av1/common/convolve.h"
+
+void av1_convolve_2d_sr_12tap_sse2(const uint8_t *src, int src_stride,
+ uint8_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 subpel_y_qn,
+ ConvolveParams *conv_params) {
+ const int bd = 8;
+
+ DECLARE_ALIGNED(16, int16_t,
+ im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]);
+ int im_h = h + filter_params_y->taps - 1;
+ int im_stride = w;
+ int i, j;
+ const int fo_vert = filter_params_y->taps / 2 - 1;
+ const int fo_horiz = filter_params_x->taps / 2 - 1;
+ const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz;
+
+ const __m128i zero = _mm_setzero_si128();
+ const int bits =
+ FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1;
+ const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0;
+
+ assert(conv_params->round_0 > 0);
+ __m128i coeffs[6];
+
+ /* Horizontal filter */
+ {
+ prepare_coeffs_12tap(filter_params_x, subpel_x_qn, coeffs);
+
+ const __m128i round_const = _mm_set1_epi32(
+ (1 << (bd + FILTER_BITS - 1)) + ((1 << conv_params->round_0) >> 1));
+ const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0);
+
+ for (i = 0; i < im_h; ++i) {
+ for (j = 0; j < w; j += 8) {
+ const __m128i data =
+ _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
+ const __m128i data_2 =
+ _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 4)]);
+
+ // Filter even-index pixels
+ const __m128i src_0 = _mm_unpacklo_epi8(data, zero);
+ const __m128i res_0 = _mm_madd_epi16(src_0, coeffs[0]);
+ const __m128i src_2 = _mm_unpacklo_epi8(_mm_srli_si128(data, 2), zero);
+ const __m128i res_2 = _mm_madd_epi16(src_2, coeffs[1]);
+ const __m128i src_4 = _mm_unpacklo_epi8(data_2, zero);
+ const __m128i res_4 = _mm_madd_epi16(src_4, coeffs[2]);
+ const __m128i src_6 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data_2, 2), zero);
+ const __m128i res_6 = _mm_madd_epi16(src_6, coeffs[3]);
+ const __m128i src_8 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data_2, 4), zero);
+ const __m128i res_8 = _mm_madd_epi16(src_8, coeffs[4]);
+ const __m128i src_10 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data_2, 6), zero);
+ const __m128i res_10 = _mm_madd_epi16(src_10, coeffs[5]);
+
+ const __m128i res_0246 = _mm_add_epi32(_mm_add_epi32(res_0, res_4),
+ _mm_add_epi32(res_2, res_6));
+ __m128i res_even =
+ _mm_add_epi32(_mm_add_epi32(res_8, res_10), res_0246);
+ res_even =
+ _mm_sra_epi32(_mm_add_epi32(res_even, round_const), round_shift);
+
+ // Filter odd-index pixels
+ const __m128i src_1 = _mm_unpacklo_epi8(_mm_srli_si128(data, 1), zero);
+ const __m128i res_1 = _mm_madd_epi16(src_1, coeffs[0]);
+ const __m128i src_3 = _mm_unpacklo_epi8(_mm_srli_si128(data, 3), zero);
+ const __m128i res_3 = _mm_madd_epi16(src_3, coeffs[1]);
+ const __m128i src_5 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data_2, 1), zero);
+ const __m128i res_5 = _mm_madd_epi16(src_5, coeffs[2]);
+ const __m128i src_7 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data_2, 3), zero);
+ const __m128i res_7 = _mm_madd_epi16(src_7, coeffs[3]);
+ const __m128i src_9 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data_2, 5), zero);
+ const __m128i res_9 = _mm_madd_epi16(src_9, coeffs[4]);
+ const __m128i src_11 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data_2, 7), zero);
+ const __m128i res_11 = _mm_madd_epi16(src_11, coeffs[5]);
+
+ const __m128i res_1357 = _mm_add_epi32(_mm_add_epi32(res_1, res_5),
+ _mm_add_epi32(res_3, res_7));
+ __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_9, res_11), res_1357);
+ res_odd =
+ _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), round_shift);
+
+ // Pack in the column order 0, 2, 4, 6, 1, 3, 5, 7
+ __m128i res = _mm_packs_epi32(res_even, res_odd);
+ _mm_storeu_si128((__m128i *)&im_block[i * im_stride + j], res);
+ }
+ }
+ }
+
+ /* Vertical filter */
+ {
+ prepare_coeffs_12tap(filter_params_y, subpel_y_qn, coeffs);
+
+ const __m128i sum_round =
+ _mm_set1_epi32((1 << offset_bits) + ((1 << conv_params->round_1) >> 1));
+ const __m128i sum_shift = _mm_cvtsi32_si128(conv_params->round_1);
+
+ const __m128i round_const = _mm_set1_epi32(
+ ((1 << bits) >> 1) - (1 << (offset_bits - conv_params->round_1)) -
+ ((1 << (offset_bits - conv_params->round_1)) >> 1));
+ const __m128i round_shift = _mm_cvtsi32_si128(bits);
+
+ for (i = 0; i < h; ++i) {
+ for (j = 0; j < w; j += 8) {
+ // Filter even-index pixels
+ const int16_t *data = &im_block[i * im_stride + j];
+ const __m128i src_0 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 0 * im_stride),
+ *(__m128i *)(data + 1 * im_stride));
+ const __m128i src_2 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 2 * im_stride),
+ *(__m128i *)(data + 3 * im_stride));
+ const __m128i src_4 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 4 * im_stride),
+ *(__m128i *)(data + 5 * im_stride));
+ const __m128i src_6 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 6 * im_stride),
+ *(__m128i *)(data + 7 * im_stride));
+ const __m128i src_8 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 8 * im_stride),
+ *(__m128i *)(data + 9 * im_stride));
+ const __m128i src_10 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 10 * im_stride),
+ *(__m128i *)(data + 11 * im_stride));
+
+ const __m128i res_0 = _mm_madd_epi16(src_0, coeffs[0]);
+ const __m128i res_2 = _mm_madd_epi16(src_2, coeffs[1]);
+ const __m128i res_4 = _mm_madd_epi16(src_4, coeffs[2]);
+ const __m128i res_6 = _mm_madd_epi16(src_6, coeffs[3]);
+ const __m128i res_8 = _mm_madd_epi16(src_8, coeffs[4]);
+ const __m128i res_10 = _mm_madd_epi16(src_10, coeffs[5]);
+
+ const __m128i res_0246 = _mm_add_epi32(_mm_add_epi32(res_0, res_2),
+ _mm_add_epi32(res_4, res_6));
+ __m128i res_even =
+ _mm_add_epi32(_mm_add_epi32(res_8, res_10), res_0246);
+
+ // Filter odd-index pixels
+ const __m128i src_1 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 0 * im_stride),
+ *(__m128i *)(data + 1 * im_stride));
+ const __m128i src_3 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 2 * im_stride),
+ *(__m128i *)(data + 3 * im_stride));
+ const __m128i src_5 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 4 * im_stride),
+ *(__m128i *)(data + 5 * im_stride));
+ const __m128i src_7 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 6 * im_stride),
+ *(__m128i *)(data + 7 * im_stride));
+ const __m128i src_9 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 8 * im_stride),
+ *(__m128i *)(data + 9 * im_stride));
+ const __m128i src_11 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 10 * im_stride),
+ *(__m128i *)(data + 11 * im_stride));
+
+ const __m128i res_1 = _mm_madd_epi16(src_1, coeffs[0]);
+ const __m128i res_3 = _mm_madd_epi16(src_3, coeffs[1]);
+ const __m128i res_5 = _mm_madd_epi16(src_5, coeffs[2]);
+ const __m128i res_7 = _mm_madd_epi16(src_7, coeffs[3]);
+ const __m128i res_9 = _mm_madd_epi16(src_9, coeffs[4]);
+ const __m128i res_11 = _mm_madd_epi16(src_11, coeffs[5]);
+
+ const __m128i res_1357 = _mm_add_epi32(_mm_add_epi32(res_1, res_5),
+ _mm_add_epi32(res_3, res_7));
+ __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_9, res_11), res_1357);
+
+ // Rearrange pixels back into the order 0 ... 7
+ const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd);
+ const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd);
+
+ __m128i res_lo_round =
+ _mm_sra_epi32(_mm_add_epi32(res_lo, sum_round), sum_shift);
+ __m128i res_hi_round =
+ _mm_sra_epi32(_mm_add_epi32(res_hi, sum_round), sum_shift);
+
+ res_lo_round = _mm_sra_epi32(_mm_add_epi32(res_lo_round, round_const),
+ round_shift);
+ res_hi_round = _mm_sra_epi32(_mm_add_epi32(res_hi_round, round_const),
+ round_shift);
+
+ const __m128i res16 = _mm_packs_epi32(res_lo_round, res_hi_round);
+ const __m128i res = _mm_packus_epi16(res16, res16);
+
+ // Accumulate values into the destination buffer
+ __m128i *const p = (__m128i *)&dst[i * dst_stride + j];
+
+ _mm_storel_epi64(p, res);
+ }
+ }
+ }
+}
+
+void av1_convolve_2d_sr_sse2(const uint8_t *src, int src_stride, uint8_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 subpel_y_qn,
+ ConvolveParams *conv_params) {
+ if (filter_params_x->taps > 8) {
+ if (w < 8) {
+ av1_convolve_2d_sr_c(src, src_stride, dst, dst_stride, w, h,
+ filter_params_x, filter_params_y, subpel_x_qn,
+ subpel_y_qn, conv_params);
+ } else {
+ av1_convolve_2d_sr_12tap_sse2(src, src_stride, dst, dst_stride, w, h,
+ filter_params_x, filter_params_y,
+ subpel_x_qn, subpel_y_qn, conv_params);
+ }
+ } else {
+ const int bd = 8;
+
+ DECLARE_ALIGNED(16, int16_t,
+ im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]);
+ int im_h = h + filter_params_y->taps - 1;
+ int im_stride = MAX_SB_SIZE;
+ int i, j;
+ const int fo_vert = filter_params_y->taps / 2 - 1;
+ const int fo_horiz = filter_params_x->taps / 2 - 1;
+ const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz;
+
+ const __m128i zero = _mm_setzero_si128();
+ const int bits =
+ FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1;
+ const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0;
+
+ assert(conv_params->round_0 > 0);
+
+ /* Horizontal filter */
+ {
+ const int16_t *x_filter = av1_get_interp_filter_subpel_kernel(
+ filter_params_x, subpel_x_qn & SUBPEL_MASK);
+ const __m128i coeffs_x = _mm_loadu_si128((__m128i *)x_filter);
+
+ // coeffs 0 1 0 1 2 3 2 3
+ const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_x, coeffs_x);
+ // coeffs 4 5 4 5 6 7 6 7
+ const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_x, coeffs_x);
+
+ // coeffs 0 1 0 1 0 1 0 1
+ const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0);
+ // coeffs 2 3 2 3 2 3 2 3
+ const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0);
+ // coeffs 4 5 4 5 4 5 4 5
+ const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1);
+ // coeffs 6 7 6 7 6 7 6 7
+ const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1);
+
+ const __m128i round_const = _mm_set1_epi32(
+ (1 << (bd + FILTER_BITS - 1)) + ((1 << conv_params->round_0) >> 1));
+ const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0);
+
+ for (i = 0; i < im_h; ++i) {
+ for (j = 0; j < w; j += 8) {
+ const __m128i data =
+ _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
+
+ // Filter even-index pixels
+ const __m128i src_0 = _mm_unpacklo_epi8(data, zero);
+ const __m128i res_0 = _mm_madd_epi16(src_0, coeff_01);
+ const __m128i src_2 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 2), zero);
+ const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23);
+ const __m128i src_4 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 4), zero);
+ const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45);
+ const __m128i src_6 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 6), zero);
+ const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67);
+
+ __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_4),
+ _mm_add_epi32(res_2, res_6));
+ res_even =
+ _mm_sra_epi32(_mm_add_epi32(res_even, round_const), round_shift);
+
+ // Filter odd-index pixels
+ const __m128i src_1 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 1), zero);
+ const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01);
+ const __m128i src_3 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 3), zero);
+ const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23);
+ const __m128i src_5 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 5), zero);
+ const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45);
+ const __m128i src_7 =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 7), zero);
+ const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67);
+
+ __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_5),
+ _mm_add_epi32(res_3, res_7));
+ res_odd =
+ _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), round_shift);
+
+ // Pack in the column order 0, 2, 4, 6, 1, 3, 5, 7
+ __m128i res = _mm_packs_epi32(res_even, res_odd);
+ _mm_storeu_si128((__m128i *)&im_block[i * im_stride + j], res);
+ }
+ }
+ }
+
+ /* Vertical filter */
+ {
+ const int16_t *y_filter = av1_get_interp_filter_subpel_kernel(
+ filter_params_y, subpel_y_qn & SUBPEL_MASK);
+ const __m128i coeffs_y = _mm_loadu_si128((__m128i *)y_filter);
+
+ // coeffs 0 1 0 1 2 3 2 3
+ const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_y, coeffs_y);
+ // coeffs 4 5 4 5 6 7 6 7
+ const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_y, coeffs_y);
+
+ // coeffs 0 1 0 1 0 1 0 1
+ const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0);
+ // coeffs 2 3 2 3 2 3 2 3
+ const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0);
+ // coeffs 4 5 4 5 4 5 4 5
+ const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1);
+ // coeffs 6 7 6 7 6 7 6 7
+ const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1);
+
+ const __m128i sum_round = _mm_set1_epi32(
+ (1 << offset_bits) + ((1 << conv_params->round_1) >> 1));
+ const __m128i sum_shift = _mm_cvtsi32_si128(conv_params->round_1);
+
+ const __m128i round_const = _mm_set1_epi32(
+ ((1 << bits) >> 1) - (1 << (offset_bits - conv_params->round_1)) -
+ ((1 << (offset_bits - conv_params->round_1)) >> 1));
+ const __m128i round_shift = _mm_cvtsi32_si128(bits);
+
+ for (i = 0; i < h; ++i) {
+ for (j = 0; j < w; j += 8) {
+ // Filter even-index pixels
+ const int16_t *data = &im_block[i * im_stride + j];
+ const __m128i src_0 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 0 * im_stride),
+ *(__m128i *)(data + 1 * im_stride));
+ const __m128i src_2 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 2 * im_stride),
+ *(__m128i *)(data + 3 * im_stride));
+ const __m128i src_4 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 4 * im_stride),
+ *(__m128i *)(data + 5 * im_stride));
+ const __m128i src_6 =
+ _mm_unpacklo_epi16(*(__m128i *)(data + 6 * im_stride),
+ *(__m128i *)(data + 7 * im_stride));
+
+ const __m128i res_0 = _mm_madd_epi16(src_0, coeff_01);
+ const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23);
+ const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45);
+ const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67);
+
+ const __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_2),
+ _mm_add_epi32(res_4, res_6));
+
+ // Filter odd-index pixels
+ const __m128i src_1 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 0 * im_stride),
+ *(__m128i *)(data + 1 * im_stride));
+ const __m128i src_3 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 2 * im_stride),
+ *(__m128i *)(data + 3 * im_stride));
+ const __m128i src_5 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 4 * im_stride),
+ *(__m128i *)(data + 5 * im_stride));
+ const __m128i src_7 =
+ _mm_unpackhi_epi16(*(__m128i *)(data + 6 * im_stride),
+ *(__m128i *)(data + 7 * im_stride));
+
+ const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01);
+ const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23);
+ const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45);
+ const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67);
+
+ const __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_3),
+ _mm_add_epi32(res_5, res_7));
+
+ // Rearrange pixels back into the order 0 ... 7
+ const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd);
+ const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd);
+
+ __m128i res_lo_round =
+ _mm_sra_epi32(_mm_add_epi32(res_lo, sum_round), sum_shift);
+ __m128i res_hi_round =
+ _mm_sra_epi32(_mm_add_epi32(res_hi, sum_round), sum_shift);
+
+ res_lo_round = _mm_sra_epi32(_mm_add_epi32(res_lo_round, round_const),
+ round_shift);
+ res_hi_round = _mm_sra_epi32(_mm_add_epi32(res_hi_round, round_const),
+ round_shift);
+
+ const __m128i res16 = _mm_packs_epi32(res_lo_round, res_hi_round);
+ const __m128i res = _mm_packus_epi16(res16, res16);
+
+ // Accumulate values into the destination buffer
+ __m128i *const p = (__m128i *)&dst[i * dst_stride + j];
+
+ if (w == 2) {
+ *(uint16_t *)p = (uint16_t)_mm_cvtsi128_si32(res);
+ } else if (w == 4) {
+ *(int *)p = _mm_cvtsi128_si32(res);
+ } else {
+ _mm_storel_epi64(p, res);
+ }
+ }
+ }
+ }
+ }
+}
+
+void av1_dist_wtd_convolve_2d_copy_sse2(const uint8_t *src, int src_stride,
+ uint8_t *dst0, int dst_stride0, int w,
+ int h, ConvolveParams *conv_params) {
+ const int bd = 8;
+ CONV_BUF_TYPE *dst = conv_params->dst;
+ int dst_stride = conv_params->dst_stride;
+
+ const int bits =
+ FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0;
+ const int do_average = conv_params->do_average;
+ const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i left_shift = _mm_cvtsi32_si128(bits);
+ int i, j;
+
+ const int w0 = conv_params->fwd_offset;
+ const int w1 = conv_params->bck_offset;
+ const __m128i wt0 = _mm_set1_epi16(w0);
+ const __m128i wt1 = _mm_set1_epi16(w1);
+ const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
+
+ const int offset_0 =
+ bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
+ const __m128i offset_const = _mm_set1_epi16(offset);
+ const int rounding_shift =
+ 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1);
+
+ assert((w % 4) == 0);
+
+ if (!(w % 16)) {
+ for (i = 0; i < h; ++i) {
+ for (j = 0; j < w; j += 16) {
+ const __m128i d8 = _mm_loadu_si128((__m128i *)&src[j]);
+
+ const __m128i d16_lo = _mm_unpacklo_epi8(d8, zero);
+ const __m128i d16_hi = _mm_unpackhi_epi8(d8, zero);
+
+ const __m128i res_lo = _mm_sll_epi16(d16_lo, left_shift);
+ const __m128i res_unsigned_lo = _mm_add_epi16(res_lo, offset_const);
+
+ const __m128i res_hi = _mm_sll_epi16(d16_hi, left_shift);
+ const __m128i res_unsigned_hi = _mm_add_epi16(res_hi, offset_const);
+
+ if (do_average) {
+ const __m128i data_ref_0_lo = _mm_loadu_si128((__m128i *)(&dst[j]));
+ const __m128i data_ref_0_hi =
+ _mm_loadu_si128((__m128i *)(&dst[j + 8]));
+
+ const __m128i comp_avg_res_lo = comp_avg(
+ &data_ref_0_lo, &res_unsigned_lo, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result_lo = convolve_rounding(
+ &comp_avg_res_lo, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i comp_avg_res_hi = comp_avg(
+ &data_ref_0_hi, &res_unsigned_hi, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result_hi = convolve_rounding(
+ &comp_avg_res_hi, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 =
+ _mm_packus_epi16(round_result_lo, round_result_hi);
+
+ _mm_store_si128((__m128i *)(&dst0[j]), res_8);
+ } else {
+ _mm_store_si128((__m128i *)(&dst[j]), res_unsigned_lo);
+ _mm_store_si128((__m128i *)(&dst[j + 8]), res_unsigned_hi);
+ }
+ }
+ src += src_stride;
+ dst += dst_stride;
+ dst0 += dst_stride0;
+ }
+ } else {
+ for (i = 0; i < h; ++i) {
+ for (j = 0; j < w; j += 8) {
+ const __m128i d8 = _mm_loadl_epi64((__m128i *)&src[j]);
+ const __m128i d16_0 = _mm_unpacklo_epi8(d8, zero);
+
+ const __m128i res = _mm_sll_epi16(d16_0, left_shift);
+ const __m128i res_unsigned = _mm_add_epi16(res, offset_const);
+
+ if (do_average) {
+ const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)(&dst[j]));
+
+ const __m128i comp_avg_res =
+ comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result = convolve_rounding(
+ &comp_avg_res, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
+
+ if (w > 4)
+ _mm_storel_epi64((__m128i *)(&dst0[j]), res_8);
+ else
+ *(int *)(&dst0[j]) = _mm_cvtsi128_si32(res_8);
+ } else {
+ _mm_store_si128((__m128i *)(&dst[j]), res_unsigned);
+ }
+ }
+ src += src_stride;
+ dst += dst_stride;
+ dst0 += dst_stride0;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-27 08:28:57 +0000