1 files changed, 385 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/jnt_convolve_sse2.c b/third_party/aom/av1/common/x86/jnt_convolve_sse2.c
new file mode 100644
index 000000000..87dc3242e
--- /dev/null
+++ b/third_party/aom/av1/common/x86/jnt_convolve_sse2.c
@@ -0,0 +1,385 @@
+/*
+ * 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 <emmintrin.h>
+
+#include "config/aom_dsp_rtcd.h"
+
+#include "aom_dsp/aom_filter.h"
+#include "aom_dsp/x86/convolve_sse2.h"
+
+void av1_jnt_convolve_x_sse2(const uint8_t *src, int src_stride, uint8_t *dst0,
+                             int dst_stride0, int w, int h,
+                             const InterpFilterParams *filter_params_x,
+                             const InterpFilterParams *filter_params_y,
+                             const int subpel_x_q4, const int subpel_y_q4,
+                             ConvolveParams *conv_params) {
+  const int bd = 8;
+  CONV_BUF_TYPE *dst = conv_params->dst;
+  const int dst_stride = conv_params->dst_stride;
+  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_1;
+  const __m128i left_shift = _mm_cvtsi32_si128(bits);
+  const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_0) >> 1);
+  const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0);
+  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 do_average = conv_params->do_average;
+  const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg;
+  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);
+  __m128i coeffs[4];
+
+  (void)filter_params_y;
+  (void)subpel_y_q4;
+
+  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);
+      const __m128i res_lo_round =
+          _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
+      const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift);
+
+      const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_lo_shift);
+      const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+      // Accumulate values into the destination buffer
+      if (do_average) {
+        const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);
+
+        const __m128i comp_avg_res =
+            comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_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);
+        *(uint32_t *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);
+      } else {
+        _mm_store_si128((__m128i *)(&dst[0]), res_unsigned);
+      }
+      src_ptr += src_stride;
+      dst += dst_stride;
+      dst0 += dst_stride0;
+    } 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);
+        const __m128i res_lo_round =
+            _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
+        const __m128i res_hi_round =
+            _mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift);
+        const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift);
+        const __m128i res_hi_shift = _mm_sll_epi32(res_hi_round, left_shift);
+
+        const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
+        const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+        // Accumulate values into the destination buffer
+        if (do_average) {
+          const __m128i data_ref_0 =
+              _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));
+
+          const __m128i comp_avg_res =
+              comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_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);
+          _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
+        } else {
+          _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
+        }
+        j += 8;
+      } while (j < w);
+    } while (++i < h);
+  }
+}
+
+void av1_jnt_convolve_y_sse2(const uint8_t *src, int src_stride, uint8_t *dst0,
+                             int dst_stride0, int w, int h,
+                             const InterpFilterParams *filter_params_x,
+                             const InterpFilterParams *filter_params_y,
+                             const int subpel_x_q4, const int subpel_y_q4,
+                             ConvolveParams *conv_params) {
+  const int bd = 8;
+  CONV_BUF_TYPE *dst = conv_params->dst;
+  const int dst_stride = conv_params->dst_stride;
+  const int fo_vert = filter_params_y->taps / 2 - 1;
+  const uint8_t *src_ptr = src - fo_vert * src_stride;
+  const int bits = FILTER_BITS - conv_params->round_0;
+  const __m128i left_shift = _mm_cvtsi32_si128(bits);
+  const __m128i wt0 = _mm_set1_epi16(conv_params->fwd_offset);
+  const __m128i wt1 = _mm_set1_epi16(conv_params->bck_offset);
+  const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
+  const int do_average = conv_params->do_average;
+  const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg;
+  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);
+  const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_1) >> 1);
+  const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1);
+  __m128i coeffs[4];
+
+  (void)filter_params_x;
+  (void)subpel_x_q4;
+
+  prepare_coeffs(filter_params_y, subpel_y_q4, coeffs);
+
+  if (w == 4) {
+    __m128i s[8], src6, res, res_shift;
+    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_shift = _mm_sll_epi32(res, left_shift);
+      res_shift =
+          _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift);
+
+      __m128i res_16b = _mm_packs_epi32(res_shift, res_shift);
+      __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+      // Accumulate values into the destination buffer
+      if (do_average) {
+        const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);
+
+        const __m128i comp_avg_res =
+            comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_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);
+        *(uint32_t *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);
+
+      } else {
+        _mm_store_si128((__m128i *)dst, res_unsigned);
+      }
+
+      src_ptr += src_stride;
+      dst += dst_stride;
+      dst0 += dst_stride0;
+
+      res = convolve_lo_y(s + 1, coeffs);
+      res_shift = _mm_sll_epi32(res, left_shift);
+      res_shift =
+          _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift);
+
+      res_16b = _mm_packs_epi32(res_shift, res_shift);
+      res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+      // Accumulate values into the destination buffer
+      if (do_average) {
+        const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);
+
+        const __m128i comp_avg_res =
+            comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_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);
+        *(uint32_t *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);
+
+      } else {
+        _mm_store_si128((__m128i *)dst, res_unsigned);
+      }
+
+      src_ptr += src_stride;
+      dst += dst_stride;
+      dst0 += dst_stride0;
+
+      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, res_lo_shift, res_hi_shift;
+      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_shift = _mm_sll_epi32(res_lo, left_shift);
+        res_hi_shift = _mm_sll_epi32(res_hi, left_shift);
+        res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const),
+                                     round_shift);
+        res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const),
+                                     round_shift);
+
+        __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
+        __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+        // Accumulate values into the destination buffer
+        if (do_average) {
+          const __m128i data_ref_0 =
+              _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));
+
+          const __m128i comp_avg_res =
+              comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_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);
+          _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
+        } else {
+          _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
+        }
+        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_shift = _mm_sll_epi32(res_lo, left_shift);
+        res_hi_shift = _mm_sll_epi32(res_hi, left_shift);
+        res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const),
+                                     round_shift);
+        res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const),
+                                     round_shift);
+        res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
+        res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+        // Accumulate values into the destination buffer
+        if (do_average) {
+          __m128i data_ref_0 =
+              _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));
+
+          const __m128i comp_avg_res =
+              comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_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);
+          _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
+        } else {
+          _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
+        }
+        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);
+  }
+}