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-rw-r--r--third_party/aom/av1/common/x86/convolve_sse2.c339
1 files changed, 339 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/convolve_sse2.c b/third_party/aom/av1/common/x86/convolve_sse2.c
new file mode 100644
index 000000000..18fe9ae5a
--- /dev/null
+++ b/third_party/aom/av1/common/x86/convolve_sse2.c
@@ -0,0 +1,339 @@
+/*
+ * Copyright (c) 2017, 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/aom_dsp_rtcd.h"
+
+#include "aom_dsp/aom_convolve.h"
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_dsp/aom_filter.h"
+#include "aom_dsp/x86/convolve_common_intrin.h"
+#include "av1/common/convolve.h"
+
+static INLINE void prepare_coeffs(const InterpFilterParams *const filter_params,
+ const int subpel_q4,
+ __m128i *const coeffs /* [4] */) {
+ const int16_t *const y_filter = av1_get_interp_filter_subpel_kernel(
+ *filter_params, subpel_q4 & 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] = _mm_unpacklo_epi64(tmp_0, tmp_0); // coeffs 0 1 0 1 0 1 0 1
+ coeffs[1] = _mm_unpackhi_epi64(tmp_0, tmp_0); // coeffs 2 3 2 3 2 3 2 3
+ coeffs[2] = _mm_unpacklo_epi64(tmp_1, tmp_1); // coeffs 4 5 4 5 4 5 4 5
+ coeffs[3] = _mm_unpackhi_epi64(tmp_1, tmp_1); // coeffs 6 7 6 7 6 7 6 7
+}
+
+static INLINE __m128i convolve(const __m128i *const s,
+ const __m128i *const coeffs) {
+ const __m128i d0 = _mm_madd_epi16(s[0], coeffs[0]);
+ const __m128i d1 = _mm_madd_epi16(s[1], coeffs[1]);
+ const __m128i d2 = _mm_madd_epi16(s[2], coeffs[2]);
+ const __m128i d3 = _mm_madd_epi16(s[3], coeffs[3]);
+ const __m128i d = _mm_add_epi32(_mm_add_epi32(d0, d1), _mm_add_epi32(d2, d3));
+ return d;
+}
+
+static INLINE __m128i convolve_lo_x(const __m128i *const s,
+ const __m128i *const coeffs) {
+ __m128i ss[4];
+ ss[0] = _mm_unpacklo_epi8(s[0], _mm_setzero_si128());
+ ss[1] = _mm_unpacklo_epi8(s[1], _mm_setzero_si128());
+ ss[2] = _mm_unpacklo_epi8(s[2], _mm_setzero_si128());
+ ss[3] = _mm_unpacklo_epi8(s[3], _mm_setzero_si128());
+ return convolve(ss, coeffs);
+}
+
+static INLINE __m128i convolve_lo_y(const __m128i *const s,
+ const __m128i *const coeffs) {
+ __m128i ss[4];
+ ss[0] = _mm_unpacklo_epi8(s[0], _mm_setzero_si128());
+ ss[1] = _mm_unpacklo_epi8(s[2], _mm_setzero_si128());
+ ss[2] = _mm_unpacklo_epi8(s[4], _mm_setzero_si128());
+ ss[3] = _mm_unpacklo_epi8(s[6], _mm_setzero_si128());
+ return convolve(ss, coeffs);
+}
+
+static INLINE __m128i convolve_hi_y(const __m128i *const s,
+ const __m128i *const coeffs) {
+ __m128i ss[4];
+ ss[0] = _mm_unpackhi_epi8(s[0], _mm_setzero_si128());
+ ss[1] = _mm_unpackhi_epi8(s[2], _mm_setzero_si128());
+ ss[2] = _mm_unpackhi_epi8(s[4], _mm_setzero_si128());
+ ss[3] = _mm_unpackhi_epi8(s[6], _mm_setzero_si128());
+ return convolve(ss, coeffs);
+}
+
+void av1_convolve_y_sr_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *dst, int dst_stride, int w, int h,
+ InterpFilterParams *filter_params_x,
+ InterpFilterParams *filter_params_y,
+ const int subpel_x_q4, const int subpel_y_q4,
+ ConvolveParams *conv_params) {
+ const int fo_vert = filter_params_y->taps / 2 - 1;
+ const uint8_t *src_ptr = src - fo_vert * src_stride;
+ const __m128i round_const = _mm_set1_epi32((1 << FILTER_BITS) >> 1);
+ const __m128i round_shift = _mm_cvtsi32_si128(FILTER_BITS);
+ __m128i coeffs[4];
+
+ (void)filter_params_x;
+ (void)subpel_x_q4;
+ (void)conv_params;
+
+ assert(conv_params->round_0 <= FILTER_BITS);
+ assert(((conv_params->round_0 + conv_params->round_1) <= (FILTER_BITS + 1)) ||
+ ((conv_params->round_0 + conv_params->round_1) == (2 * FILTER_BITS)));
+
+ prepare_coeffs(filter_params_y, subpel_y_q4, coeffs);
+
+ if (w <= 4) {
+ __m128i s[8], src6, res, res_round, res16;
+ uint32_t res_int;
+ src6 = _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 6 * src_stride));
+ s[0] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 0 * src_stride)),
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 1 * src_stride)));
+ s[1] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 1 * src_stride)),
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 2 * src_stride)));
+ s[2] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 2 * src_stride)),
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 3 * src_stride)));
+ s[3] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 3 * src_stride)),
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 4 * src_stride)));
+ s[4] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 4 * src_stride)),
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 5 * src_stride)));
+ s[5] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 5 * src_stride)), src6);
+
+ do {
+ s[6] = _mm_unpacklo_epi8(
+ src6, _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 7 * src_stride)));
+ src6 = _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 8 * src_stride));
+ s[7] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 7 * src_stride)), src6);
+
+ res = convolve_lo_y(s + 0, coeffs);
+ res_round = _mm_sra_epi32(_mm_add_epi32(res, round_const), round_shift);
+ res16 = _mm_packs_epi32(res_round, res_round);
+ res_int = _mm_cvtsi128_si32(_mm_packus_epi16(res16, res16));
+
+ if (w == 2)
+ *(uint16_t *)dst = res_int;
+ else
+ *(uint32_t *)dst = res_int;
+
+ src_ptr += src_stride;
+ dst += dst_stride;
+
+ res = convolve_lo_y(s + 1, coeffs);
+ res_round = _mm_sra_epi32(_mm_add_epi32(res, round_const), round_shift);
+ res16 = _mm_packs_epi32(res_round, res_round);
+ res_int = _mm_cvtsi128_si32(_mm_packus_epi16(res16, res16));
+
+ if (w == 2)
+ *(uint16_t *)dst = res_int;
+ else
+ *(uint32_t *)dst = res_int;
+
+ src_ptr += src_stride;
+ dst += dst_stride;
+
+ s[0] = s[2];
+ s[1] = s[3];
+ s[2] = s[4];
+ s[3] = s[5];
+ s[4] = s[6];
+ s[5] = s[7];
+ h -= 2;
+ } while (h);
+ } else {
+ assert(!(w % 8));
+ int j = 0;
+ do {
+ __m128i s[8], src6, res_lo, res_hi;
+ __m128i res_lo_round, res_hi_round, res16, res;
+ const uint8_t *data = &src_ptr[j];
+
+ src6 = _mm_loadl_epi64((__m128i *)(data + 6 * src_stride));
+ s[0] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 0 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)));
+ s[1] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)));
+ s[2] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)));
+ s[3] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)));
+ s[4] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)));
+ s[5] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)), src6);
+
+ int i = 0;
+ do {
+ data = &src_ptr[i * src_stride + j];
+ s[6] = _mm_unpacklo_epi8(
+ src6, _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)));
+ src6 = _mm_loadl_epi64((__m128i *)(data + 8 * src_stride));
+ s[7] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)), src6);
+
+ res_lo = convolve_lo_y(s, coeffs); // Filter low index pixels
+ res_hi = convolve_hi_y(s, coeffs); // Filter high index pixels
+
+ res_lo_round =
+ _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
+ res_hi_round =
+ _mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift);
+
+ res16 = _mm_packs_epi32(res_lo_round, res_hi_round);
+ res = _mm_packus_epi16(res16, res16);
+
+ _mm_storel_epi64((__m128i *)(dst + i * dst_stride + j), res);
+ i++;
+
+ res_lo = convolve_lo_y(s + 1, coeffs); // Filter low index pixels
+ res_hi = convolve_hi_y(s + 1, coeffs); // Filter high index pixels
+
+ res_lo_round =
+ _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
+ res_hi_round =
+ _mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift);
+
+ res16 = _mm_packs_epi32(res_lo_round, res_hi_round);
+ res = _mm_packus_epi16(res16, res16);
+
+ _mm_storel_epi64((__m128i *)(dst + i * dst_stride + j), res);
+ i++;
+
+ s[0] = s[2];
+ s[1] = s[3];
+ s[2] = s[4];
+ s[3] = s[5];
+ s[4] = s[6];
+ s[5] = s[7];
+ } while (i < h);
+ j += 8;
+ } while (j < w);
+ }
+}
+
+void av1_convolve_x_sr_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *dst, int dst_stride, int w, int h,
+ InterpFilterParams *filter_params_x,
+ InterpFilterParams *filter_params_y,
+ const int subpel_x_q4, const int subpel_y_q4,
+ ConvolveParams *conv_params) {
+ const int fo_horiz = filter_params_x->taps / 2 - 1;
+ const uint8_t *src_ptr = src - fo_horiz;
+ const int bits = FILTER_BITS - conv_params->round_0;
+ const __m128i round_0_const =
+ _mm_set1_epi32((1 << conv_params->round_0) >> 1);
+ const __m128i round_const = _mm_set1_epi32((1 << bits) >> 1);
+ const __m128i round_0_shift = _mm_cvtsi32_si128(conv_params->round_0);
+ const __m128i round_shift = _mm_cvtsi32_si128(bits);
+ __m128i coeffs[4];
+
+ (void)filter_params_y;
+ (void)subpel_y_q4;
+
+ assert(bits >= 0);
+ assert((FILTER_BITS - conv_params->round_1) >= 0 ||
+ ((conv_params->round_0 + conv_params->round_1) == 2 * FILTER_BITS));
+
+ prepare_coeffs(filter_params_x, subpel_x_q4, coeffs);
+
+ if (w <= 4) {
+ do {
+ const __m128i data = _mm_loadu_si128((__m128i *)src_ptr);
+ __m128i s[4];
+
+ s[0] = _mm_unpacklo_epi8(data, _mm_srli_si128(data, 1));
+ s[1] =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 2), _mm_srli_si128(data, 3));
+ s[2] =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 4), _mm_srli_si128(data, 5));
+ s[3] =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 6), _mm_srli_si128(data, 7));
+ const __m128i res_lo = convolve_lo_x(s, coeffs);
+ __m128i res_lo_round =
+ _mm_sra_epi32(_mm_add_epi32(res_lo, round_0_const), round_0_shift);
+ res_lo_round =
+ _mm_sra_epi32(_mm_add_epi32(res_lo_round, round_const), round_shift);
+
+ const __m128i res16 = _mm_packs_epi32(res_lo_round, res_lo_round);
+ const __m128i res = _mm_packus_epi16(res16, res16);
+
+ uint32_t r = _mm_cvtsi128_si32(res);
+ if (w == 2)
+ *(uint16_t *)dst = r;
+ else
+ *(uint32_t *)dst = r;
+
+ src_ptr += src_stride;
+ dst += dst_stride;
+ } while (--h);
+ } else {
+ assert(!(w % 8));
+ int i = 0;
+ do {
+ int j = 0;
+ do {
+ const __m128i data =
+ _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
+ __m128i s[4];
+
+ // Filter even-index pixels
+ s[0] = data;
+ s[1] = _mm_srli_si128(data, 2);
+ s[2] = _mm_srli_si128(data, 4);
+ s[3] = _mm_srli_si128(data, 6);
+ const __m128i res_even = convolve_lo_x(s, coeffs);
+
+ // Filter odd-index pixels
+ s[0] = _mm_srli_si128(data, 1);
+ s[1] = _mm_srli_si128(data, 3);
+ s[2] = _mm_srli_si128(data, 5);
+ s[3] = _mm_srli_si128(data, 7);
+ const __m128i res_odd = convolve_lo_x(s, coeffs);
+
+ // 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, round_0_const), round_0_shift);
+ res_lo_round = _mm_sra_epi32(_mm_add_epi32(res_lo_round, round_const),
+ round_shift);
+ __m128i res_hi_round =
+ _mm_sra_epi32(_mm_add_epi32(res_hi, round_0_const), round_0_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);
+
+ _mm_storel_epi64((__m128i *)(dst + i * dst_stride + j), res);
+ j += 8;
+ } while (j < w);
+ } while (++i < h);
+ }
+}