1 files changed, 389 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/masked_sad_intrin_avx2.c b/third_party/aom/aom_dsp/x86/masked_sad_intrin_avx2.c
new file mode 100644
index 000000000..584b5e7e3
--- /dev/null
+++ b/third_party/aom/aom_dsp/x86/masked_sad_intrin_avx2.c
@@ -0,0 +1,389 @@
+/*
+ * 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 <tmmintrin.h>
+
+#include "config/aom_config.h"
+#include "config/aom_dsp_rtcd.h"
+
+#include "aom_dsp/blend.h"
+#include "aom/aom_integer.h"
+#include "aom_dsp/x86/synonyms.h"
+#include "aom_dsp/x86//masked_sad_intrin_ssse3.h"
+
+static INLINE unsigned int masked_sad32xh_avx2(
+    const uint8_t *src_ptr, int src_stride, const uint8_t *a_ptr, int a_stride,
+    const uint8_t *b_ptr, int b_stride, const uint8_t *m_ptr, int m_stride,
+    int width, int height) {
+  int x, y;
+  __m256i res = _mm256_setzero_si256();
+  const __m256i mask_max = _mm256_set1_epi8((1 << AOM_BLEND_A64_ROUND_BITS));
+  const __m256i round_scale =
+      _mm256_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS));
+  for (y = 0; y < height; y++) {
+    for (x = 0; x < width; x += 32) {
+      const __m256i src = _mm256_lddqu_si256((const __m256i *)&src_ptr[x]);
+      const __m256i a = _mm256_lddqu_si256((const __m256i *)&a_ptr[x]);
+      const __m256i b = _mm256_lddqu_si256((const __m256i *)&b_ptr[x]);
+      const __m256i m = _mm256_lddqu_si256((const __m256i *)&m_ptr[x]);
+      const __m256i m_inv = _mm256_sub_epi8(mask_max, m);
+
+      // Calculate 16 predicted pixels.
+      // Note that the maximum value of any entry of 'pred_l' or 'pred_r'
+      // is 64 * 255, so we have plenty of space to add rounding constants.
+      const __m256i data_l = _mm256_unpacklo_epi8(a, b);
+      const __m256i mask_l = _mm256_unpacklo_epi8(m, m_inv);
+      __m256i pred_l = _mm256_maddubs_epi16(data_l, mask_l);
+      pred_l = _mm256_mulhrs_epi16(pred_l, round_scale);
+
+      const __m256i data_r = _mm256_unpackhi_epi8(a, b);
+      const __m256i mask_r = _mm256_unpackhi_epi8(m, m_inv);
+      __m256i pred_r = _mm256_maddubs_epi16(data_r, mask_r);
+      pred_r = _mm256_mulhrs_epi16(pred_r, round_scale);
+
+      const __m256i pred = _mm256_packus_epi16(pred_l, pred_r);
+      res = _mm256_add_epi32(res, _mm256_sad_epu8(pred, src));
+    }
+
+    src_ptr += src_stride;
+    a_ptr += a_stride;
+    b_ptr += b_stride;
+    m_ptr += m_stride;
+  }
+  // At this point, we have two 32-bit partial SADs in lanes 0 and 2 of 'res'.
+  res = _mm256_shuffle_epi32(res, 0xd8);
+  res = _mm256_permute4x64_epi64(res, 0xd8);
+  res = _mm256_hadd_epi32(res, res);
+  res = _mm256_hadd_epi32(res, res);
+  int32_t sad = _mm256_extract_epi32(res, 0);
+  return (sad + 31) >> 6;
+}
+
+static INLINE __m256i xx_loadu2_m128i(const void *hi, const void *lo) {
+  __m128i a0 = _mm_lddqu_si128((const __m128i *)(lo));
+  __m128i a1 = _mm_lddqu_si128((const __m128i *)(hi));
+  __m256i a = _mm256_castsi128_si256(a0);
+  return _mm256_inserti128_si256(a, a1, 1);
+}
+
+static INLINE unsigned int masked_sad16xh_avx2(
+    const uint8_t *src_ptr, int src_stride, const uint8_t *a_ptr, int a_stride,
+    const uint8_t *b_ptr, int b_stride, const uint8_t *m_ptr, int m_stride,
+    int height) {
+  int y;
+  __m256i res = _mm256_setzero_si256();
+  const __m256i mask_max = _mm256_set1_epi8((1 << AOM_BLEND_A64_ROUND_BITS));
+  const __m256i round_scale =
+      _mm256_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS));
+  for (y = 0; y < height; y += 2) {
+    const __m256i src = xx_loadu2_m128i(src_ptr + src_stride, src_ptr);
+    const __m256i a = xx_loadu2_m128i(a_ptr + a_stride, a_ptr);
+    const __m256i b = xx_loadu2_m128i(b_ptr + b_stride, b_ptr);
+    const __m256i m = xx_loadu2_m128i(m_ptr + m_stride, m_ptr);
+    const __m256i m_inv = _mm256_sub_epi8(mask_max, m);
+
+    // Calculate 16 predicted pixels.
+    // Note that the maximum value of any entry of 'pred_l' or 'pred_r'
+    // is 64 * 255, so we have plenty of space to add rounding constants.
+    const __m256i data_l = _mm256_unpacklo_epi8(a, b);
+    const __m256i mask_l = _mm256_unpacklo_epi8(m, m_inv);
+    __m256i pred_l = _mm256_maddubs_epi16(data_l, mask_l);
+    pred_l = _mm256_mulhrs_epi16(pred_l, round_scale);
+
+    const __m256i data_r = _mm256_unpackhi_epi8(a, b);
+    const __m256i mask_r = _mm256_unpackhi_epi8(m, m_inv);
+    __m256i pred_r = _mm256_maddubs_epi16(data_r, mask_r);
+    pred_r = _mm256_mulhrs_epi16(pred_r, round_scale);
+
+    const __m256i pred = _mm256_packus_epi16(pred_l, pred_r);
+    res = _mm256_add_epi32(res, _mm256_sad_epu8(pred, src));
+
+    src_ptr += src_stride << 1;
+    a_ptr += a_stride << 1;
+    b_ptr += b_stride << 1;
+    m_ptr += m_stride << 1;
+  }
+  // At this point, we have two 32-bit partial SADs in lanes 0 and 2 of 'res'.
+  res = _mm256_shuffle_epi32(res, 0xd8);
+  res = _mm256_permute4x64_epi64(res, 0xd8);
+  res = _mm256_hadd_epi32(res, res);
+  res = _mm256_hadd_epi32(res, res);
+  int32_t sad = _mm256_extract_epi32(res, 0);
+  return (sad + 31) >> 6;
+}
+
+static INLINE unsigned int aom_masked_sad_avx2(
+    const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride,
+    const uint8_t *second_pred, const uint8_t *msk, int msk_stride,
+    int invert_mask, int m, int n) {
+  unsigned int sad;
+  if (!invert_mask) {
+    switch (m) {
+      case 4:
+        sad = aom_masked_sad4xh_ssse3(src, src_stride, ref, ref_stride,
+                                      second_pred, m, msk, msk_stride, n);
+        break;
+      case 8:
+        sad = aom_masked_sad8xh_ssse3(src, src_stride, ref, ref_stride,
+                                      second_pred, m, msk, msk_stride, n);
+        break;
+      case 16:
+        sad = masked_sad16xh_avx2(src, src_stride, ref, ref_stride, second_pred,
+                                  m, msk, msk_stride, n);
+        break;
+      default:
+        sad = masked_sad32xh_avx2(src, src_stride, ref, ref_stride, second_pred,
+                                  m, msk, msk_stride, m, n);
+        break;
+    }
+  } else {
+    switch (m) {
+      case 4:
+        sad = aom_masked_sad4xh_ssse3(src, src_stride, second_pred, m, ref,
+                                      ref_stride, msk, msk_stride, n);
+        break;
+      case 8:
+        sad = aom_masked_sad8xh_ssse3(src, src_stride, second_pred, m, ref,
+                                      ref_stride, msk, msk_stride, n);
+        break;
+      case 16:
+        sad = masked_sad16xh_avx2(src, src_stride, second_pred, m, ref,
+                                  ref_stride, msk, msk_stride, n);
+        break;
+      default:
+        sad = masked_sad32xh_avx2(src, src_stride, second_pred, m, ref,
+                                  ref_stride, msk, msk_stride, m, n);
+        break;
+    }
+  }
+  return sad;
+}
+
+#define MASKSADMXN_AVX2(m, n)                                                 \
+  unsigned int aom_masked_sad##m##x##n##_avx2(                                \
+      const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
+      const uint8_t *second_pred, const uint8_t *msk, int msk_stride,         \
+      int invert_mask) {                                                      \
+    return aom_masked_sad_avx2(src, src_stride, ref, ref_stride, second_pred, \
+                               msk, msk_stride, invert_mask, m, n);           \
+  }
+
+MASKSADMXN_AVX2(4, 4)
+MASKSADMXN_AVX2(4, 8)
+MASKSADMXN_AVX2(8, 4)
+MASKSADMXN_AVX2(8, 8)
+MASKSADMXN_AVX2(8, 16)
+MASKSADMXN_AVX2(16, 8)
+MASKSADMXN_AVX2(16, 16)
+MASKSADMXN_AVX2(16, 32)
+MASKSADMXN_AVX2(32, 16)
+MASKSADMXN_AVX2(32, 32)
+MASKSADMXN_AVX2(32, 64)
+MASKSADMXN_AVX2(64, 32)
+MASKSADMXN_AVX2(64, 64)
+MASKSADMXN_AVX2(64, 128)
+MASKSADMXN_AVX2(128, 64)
+MASKSADMXN_AVX2(128, 128)
+MASKSADMXN_AVX2(4, 16)
+MASKSADMXN_AVX2(16, 4)
+MASKSADMXN_AVX2(8, 32)
+MASKSADMXN_AVX2(32, 8)
+MASKSADMXN_AVX2(16, 64)
+MASKSADMXN_AVX2(64, 16)
+
+static INLINE unsigned int highbd_masked_sad8xh_avx2(
+    const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
+    const uint8_t *b8, int b_stride, const uint8_t *m_ptr, int m_stride,
+    int height) {
+  const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src8);
+  const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8);
+  const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8);
+  int y;
+  __m256i res = _mm256_setzero_si256();
+  const __m256i mask_max = _mm256_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS));
+  const __m256i round_const =
+      _mm256_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1);
+  const __m256i one = _mm256_set1_epi16(1);
+
+  for (y = 0; y < height; y += 2) {
+    const __m256i src = xx_loadu2_m128i(src_ptr + src_stride, src_ptr);
+    const __m256i a = xx_loadu2_m128i(a_ptr + a_stride, a_ptr);
+    const __m256i b = xx_loadu2_m128i(b_ptr + b_stride, b_ptr);
+    // Zero-extend mask to 16 bits
+    const __m256i m = _mm256_cvtepu8_epi16(_mm_unpacklo_epi64(
+        _mm_loadl_epi64((const __m128i *)(m_ptr)),
+        _mm_loadl_epi64((const __m128i *)(m_ptr + m_stride))));
+    const __m256i m_inv = _mm256_sub_epi16(mask_max, m);
+
+    const __m256i data_l = _mm256_unpacklo_epi16(a, b);
+    const __m256i mask_l = _mm256_unpacklo_epi16(m, m_inv);
+    __m256i pred_l = _mm256_madd_epi16(data_l, mask_l);
+    pred_l = _mm256_srai_epi32(_mm256_add_epi32(pred_l, round_const),
+                               AOM_BLEND_A64_ROUND_BITS);
+
+    const __m256i data_r = _mm256_unpackhi_epi16(a, b);
+    const __m256i mask_r = _mm256_unpackhi_epi16(m, m_inv);
+    __m256i pred_r = _mm256_madd_epi16(data_r, mask_r);
+    pred_r = _mm256_srai_epi32(_mm256_add_epi32(pred_r, round_const),
+                               AOM_BLEND_A64_ROUND_BITS);
+
+    // Note: the maximum value in pred_l/r is (2^bd)-1 < 2^15,
+    // so it is safe to do signed saturation here.
+    const __m256i pred = _mm256_packs_epi32(pred_l, pred_r);
+    // There is no 16-bit SAD instruction, so we have to synthesize
+    // an 8-element SAD. We do this by storing 4 32-bit partial SADs,
+    // and accumulating them at the end
+    const __m256i diff = _mm256_abs_epi16(_mm256_sub_epi16(pred, src));
+    res = _mm256_add_epi32(res, _mm256_madd_epi16(diff, one));
+
+    src_ptr += src_stride << 1;
+    a_ptr += a_stride << 1;
+    b_ptr += b_stride << 1;
+    m_ptr += m_stride << 1;
+  }
+  // At this point, we have four 32-bit partial SADs stored in 'res'.
+  res = _mm256_hadd_epi32(res, res);
+  res = _mm256_hadd_epi32(res, res);
+  int sad = _mm256_extract_epi32(res, 0) + _mm256_extract_epi32(res, 4);
+  return (sad + 31) >> 6;
+}
+
+static INLINE unsigned int highbd_masked_sad16xh_avx2(
+    const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
+    const uint8_t *b8, int b_stride, const uint8_t *m_ptr, int m_stride,
+    int width, int height) {
+  const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src8);
+  const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8);
+  const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8);
+  int x, y;
+  __m256i res = _mm256_setzero_si256();
+  const __m256i mask_max = _mm256_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS));
+  const __m256i round_const =
+      _mm256_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1);
+  const __m256i one = _mm256_set1_epi16(1);
+
+  for (y = 0; y < height; y++) {
+    for (x = 0; x < width; x += 16) {
+      const __m256i src = _mm256_lddqu_si256((const __m256i *)&src_ptr[x]);
+      const __m256i a = _mm256_lddqu_si256((const __m256i *)&a_ptr[x]);
+      const __m256i b = _mm256_lddqu_si256((const __m256i *)&b_ptr[x]);
+      // Zero-extend mask to 16 bits
+      const __m256i m =
+          _mm256_cvtepu8_epi16(_mm_lddqu_si128((const __m128i *)&m_ptr[x]));
+      const __m256i m_inv = _mm256_sub_epi16(mask_max, m);
+
+      const __m256i data_l = _mm256_unpacklo_epi16(a, b);
+      const __m256i mask_l = _mm256_unpacklo_epi16(m, m_inv);
+      __m256i pred_l = _mm256_madd_epi16(data_l, mask_l);
+      pred_l = _mm256_srai_epi32(_mm256_add_epi32(pred_l, round_const),
+                                 AOM_BLEND_A64_ROUND_BITS);
+
+      const __m256i data_r = _mm256_unpackhi_epi16(a, b);
+      const __m256i mask_r = _mm256_unpackhi_epi16(m, m_inv);
+      __m256i pred_r = _mm256_madd_epi16(data_r, mask_r);
+      pred_r = _mm256_srai_epi32(_mm256_add_epi32(pred_r, round_const),
+                                 AOM_BLEND_A64_ROUND_BITS);
+
+      // Note: the maximum value in pred_l/r is (2^bd)-1 < 2^15,
+      // so it is safe to do signed saturation here.
+      const __m256i pred = _mm256_packs_epi32(pred_l, pred_r);
+      // There is no 16-bit SAD instruction, so we have to synthesize
+      // an 8-element SAD. We do this by storing 4 32-bit partial SADs,
+      // and accumulating them at the end
+      const __m256i diff = _mm256_abs_epi16(_mm256_sub_epi16(pred, src));
+      res = _mm256_add_epi32(res, _mm256_madd_epi16(diff, one));
+    }
+
+    src_ptr += src_stride;
+    a_ptr += a_stride;
+    b_ptr += b_stride;
+    m_ptr += m_stride;
+  }
+  // At this point, we have four 32-bit partial SADs stored in 'res'.
+  res = _mm256_hadd_epi32(res, res);
+  res = _mm256_hadd_epi32(res, res);
+  int sad = _mm256_extract_epi32(res, 0) + _mm256_extract_epi32(res, 4);
+  return (sad + 31) >> 6;
+}
+
+static INLINE unsigned int aom_highbd_masked_sad_avx2(
+    const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride,
+    const uint8_t *second_pred, const uint8_t *msk, int msk_stride,
+    int invert_mask, int m, int n) {
+  unsigned int sad;
+  if (!invert_mask) {
+    switch (m) {
+      case 4:
+        sad =
+            aom_highbd_masked_sad4xh_ssse3(src, src_stride, ref, ref_stride,
+                                           second_pred, m, msk, msk_stride, n);
+        break;
+      case 8:
+        sad = highbd_masked_sad8xh_avx2(src, src_stride, ref, ref_stride,
+                                        second_pred, m, msk, msk_stride, n);
+        break;
+      default:
+        sad = highbd_masked_sad16xh_avx2(src, src_stride, ref, ref_stride,
+                                         second_pred, m, msk, msk_stride, m, n);
+        break;
+    }
+  } else {
+    switch (m) {
+      case 4:
+        sad =
+            aom_highbd_masked_sad4xh_ssse3(src, src_stride, second_pred, m, ref,
+                                           ref_stride, msk, msk_stride, n);
+        break;
+      case 8:
+        sad = highbd_masked_sad8xh_avx2(src, src_stride, second_pred, m, ref,
+                                        ref_stride, msk, msk_stride, n);
+        break;
+      default:
+        sad = highbd_masked_sad16xh_avx2(src, src_stride, second_pred, m, ref,
+                                         ref_stride, msk, msk_stride, m, n);
+        break;
+    }
+  }
+  return sad;
+}
+
+#define HIGHBD_MASKSADMXN_AVX2(m, n)                                      \
+  unsigned int aom_highbd_masked_sad##m##x##n##_avx2(                     \
+      const uint8_t *src8, int src_stride, const uint8_t *ref8,           \
+      int ref_stride, const uint8_t *second_pred8, const uint8_t *msk,    \
+      int msk_stride, int invert_mask) {                                  \
+    return aom_highbd_masked_sad_avx2(src8, src_stride, ref8, ref_stride, \
+                                      second_pred8, msk, msk_stride,      \
+                                      invert_mask, m, n);                 \
+  }
+
+HIGHBD_MASKSADMXN_AVX2(4, 4);
+HIGHBD_MASKSADMXN_AVX2(4, 8);
+HIGHBD_MASKSADMXN_AVX2(8, 4);
+HIGHBD_MASKSADMXN_AVX2(8, 8);
+HIGHBD_MASKSADMXN_AVX2(8, 16);
+HIGHBD_MASKSADMXN_AVX2(16, 8);
+HIGHBD_MASKSADMXN_AVX2(16, 16);
+HIGHBD_MASKSADMXN_AVX2(16, 32);
+HIGHBD_MASKSADMXN_AVX2(32, 16);
+HIGHBD_MASKSADMXN_AVX2(32, 32);
+HIGHBD_MASKSADMXN_AVX2(32, 64);
+HIGHBD_MASKSADMXN_AVX2(64, 32);
+HIGHBD_MASKSADMXN_AVX2(64, 64);
+HIGHBD_MASKSADMXN_AVX2(64, 128);
+HIGHBD_MASKSADMXN_AVX2(128, 64);
+HIGHBD_MASKSADMXN_AVX2(128, 128);
+HIGHBD_MASKSADMXN_AVX2(4, 16);
+HIGHBD_MASKSADMXN_AVX2(16, 4);
+HIGHBD_MASKSADMXN_AVX2(8, 32);
+HIGHBD_MASKSADMXN_AVX2(32, 8);
+HIGHBD_MASKSADMXN_AVX2(16, 64);
+HIGHBD_MASKSADMXN_AVX2(64, 16);