Merge branch 'master' into Sync-weave

1 files changed, 234 insertions, 0 deletions

diff --git a/third_party/aom/aom_dsp/x86/sad_impl_avx2.c b/third_party/aom/aom_dsp/x86/sad_impl_avx2.c
new file mode 100644
index 000000000..c6fd62c9e
--- /dev/null
+++ b/third_party/aom/aom_dsp/x86/sad_impl_avx2.c
@@ -0,0 +1,234 @@
+/*
+ * 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 <immintrin.h>
+
+#include "config/aom_dsp_rtcd.h"
+
+static unsigned int sad32x32(const uint8_t *src_ptr, int src_stride,
+                             const uint8_t *ref_ptr, int ref_stride) {
+  __m256i s1, s2, r1, r2;
+  __m256i sum = _mm256_setzero_si256();
+  __m128i sum_i128;
+  int i;
+
+  for (i = 0; i < 16; ++i) {
+    r1 = _mm256_loadu_si256((__m256i const *)ref_ptr);
+    r2 = _mm256_loadu_si256((__m256i const *)(ref_ptr + ref_stride));
+    s1 = _mm256_sad_epu8(r1, _mm256_loadu_si256((__m256i const *)src_ptr));
+    s2 = _mm256_sad_epu8(
+        r2, _mm256_loadu_si256((__m256i const *)(src_ptr + src_stride)));
+    sum = _mm256_add_epi32(sum, _mm256_add_epi32(s1, s2));
+    ref_ptr += ref_stride << 1;
+    src_ptr += src_stride << 1;
+  }
+
+  sum = _mm256_add_epi32(sum, _mm256_srli_si256(sum, 8));
+  sum_i128 = _mm_add_epi32(_mm256_extracti128_si256(sum, 1),
+                           _mm256_castsi256_si128(sum));
+  return _mm_cvtsi128_si32(sum_i128);
+}
+
+static unsigned int sad64x32(const uint8_t *src_ptr, int src_stride,
+                             const uint8_t *ref_ptr, int ref_stride) {
+  unsigned int half_width = 32;
+  uint32_t sum = sad32x32(src_ptr, src_stride, ref_ptr, ref_stride);
+  src_ptr += half_width;
+  ref_ptr += half_width;
+  sum += sad32x32(src_ptr, src_stride, ref_ptr, ref_stride);
+  return sum;
+}
+
+static unsigned int sad64x64(const uint8_t *src_ptr, int src_stride,
+                             const uint8_t *ref_ptr, int ref_stride) {
+  uint32_t sum = sad64x32(src_ptr, src_stride, ref_ptr, ref_stride);
+  src_ptr += src_stride << 5;
+  ref_ptr += ref_stride << 5;
+  sum += sad64x32(src_ptr, src_stride, ref_ptr, ref_stride);
+  return sum;
+}
+
+unsigned int aom_sad128x64_avx2(const uint8_t *src_ptr, int src_stride,
+                                const uint8_t *ref_ptr, int ref_stride) {
+  unsigned int half_width = 64;
+  uint32_t sum = sad64x64(src_ptr, src_stride, ref_ptr, ref_stride);
+  src_ptr += half_width;
+  ref_ptr += half_width;
+  sum += sad64x64(src_ptr, src_stride, ref_ptr, ref_stride);
+  return sum;
+}
+
+unsigned int aom_sad64x128_avx2(const uint8_t *src_ptr, int src_stride,
+                                const uint8_t *ref_ptr, int ref_stride) {
+  uint32_t sum = sad64x64(src_ptr, src_stride, ref_ptr, ref_stride);
+  src_ptr += src_stride << 6;
+  ref_ptr += ref_stride << 6;
+  sum += sad64x64(src_ptr, src_stride, ref_ptr, ref_stride);
+  return sum;
+}
+
+unsigned int aom_sad128x128_avx2(const uint8_t *src_ptr, int src_stride,
+                                 const uint8_t *ref_ptr, int ref_stride) {
+  uint32_t sum = aom_sad128x64_avx2(src_ptr, src_stride, ref_ptr, ref_stride);
+  src_ptr += src_stride << 6;
+  ref_ptr += ref_stride << 6;
+  sum += aom_sad128x64_avx2(src_ptr, src_stride, ref_ptr, ref_stride);
+  return sum;
+}
+
+static void sad64x64x4d(const uint8_t *src, int src_stride,
+                        const uint8_t *const ref[4], int ref_stride,
+                        __m128i *res) {
+  uint32_t sum[4];
+  aom_sad64x64x4d_avx2(src, src_stride, ref, ref_stride, sum);
+  *res = _mm_loadu_si128((const __m128i *)sum);
+}
+
+void aom_sad64x128x4d_avx2(const uint8_t *src, int src_stride,
+                           const uint8_t *const ref[4], int ref_stride,
+                           uint32_t res[4]) {
+  __m128i sum0, sum1;
+  const uint8_t *rf[4];
+
+  rf[0] = ref[0];
+  rf[1] = ref[1];
+  rf[2] = ref[2];
+  rf[3] = ref[3];
+  sad64x64x4d(src, src_stride, rf, ref_stride, &sum0);
+  src += src_stride << 6;
+  rf[0] += ref_stride << 6;
+  rf[1] += ref_stride << 6;
+  rf[2] += ref_stride << 6;
+  rf[3] += ref_stride << 6;
+  sad64x64x4d(src, src_stride, rf, ref_stride, &sum1);
+  sum0 = _mm_add_epi32(sum0, sum1);
+  _mm_storeu_si128((__m128i *)res, sum0);
+}
+
+void aom_sad128x64x4d_avx2(const uint8_t *src, int src_stride,
+                           const uint8_t *const ref[4], int ref_stride,
+                           uint32_t res[4]) {
+  __m128i sum0, sum1;
+  unsigned int half_width = 64;
+  const uint8_t *rf[4];
+
+  rf[0] = ref[0];
+  rf[1] = ref[1];
+  rf[2] = ref[2];
+  rf[3] = ref[3];
+  sad64x64x4d(src, src_stride, rf, ref_stride, &sum0);
+  src += half_width;
+  rf[0] += half_width;
+  rf[1] += half_width;
+  rf[2] += half_width;
+  rf[3] += half_width;
+  sad64x64x4d(src, src_stride, rf, ref_stride, &sum1);
+  sum0 = _mm_add_epi32(sum0, sum1);
+  _mm_storeu_si128((__m128i *)res, sum0);
+}
+
+void aom_sad128x128x4d_avx2(const uint8_t *src, int src_stride,
+                            const uint8_t *const ref[4], int ref_stride,
+                            uint32_t res[4]) {
+  const uint8_t *rf[4];
+  uint32_t sum0[4];
+  uint32_t sum1[4];
+
+  rf[0] = ref[0];
+  rf[1] = ref[1];
+  rf[2] = ref[2];
+  rf[3] = ref[3];
+  aom_sad128x64x4d_avx2(src, src_stride, rf, ref_stride, sum0);
+  src += src_stride << 6;
+  rf[0] += ref_stride << 6;
+  rf[1] += ref_stride << 6;
+  rf[2] += ref_stride << 6;
+  rf[3] += ref_stride << 6;
+  aom_sad128x64x4d_avx2(src, src_stride, rf, ref_stride, sum1);
+  res[0] = sum0[0] + sum1[0];
+  res[1] = sum0[1] + sum1[1];
+  res[2] = sum0[2] + sum1[2];
+  res[3] = sum0[3] + sum1[3];
+}
+
+static unsigned int sad_w64_avg_avx2(const uint8_t *src_ptr, int src_stride,
+                                     const uint8_t *ref_ptr, int ref_stride,
+                                     const int h, const uint8_t *second_pred,
+                                     const int second_pred_stride) {
+  int i, res;
+  __m256i sad1_reg, sad2_reg, ref1_reg, ref2_reg;
+  __m256i sum_sad = _mm256_setzero_si256();
+  __m256i sum_sad_h;
+  __m128i sum_sad128;
+  for (i = 0; i < h; i++) {
+    ref1_reg = _mm256_loadu_si256((__m256i const *)ref_ptr);
+    ref2_reg = _mm256_loadu_si256((__m256i const *)(ref_ptr + 32));
+    ref1_reg = _mm256_avg_epu8(
+        ref1_reg, _mm256_loadu_si256((__m256i const *)second_pred));
+    ref2_reg = _mm256_avg_epu8(
+        ref2_reg, _mm256_loadu_si256((__m256i const *)(second_pred + 32)));
+    sad1_reg =
+        _mm256_sad_epu8(ref1_reg, _mm256_loadu_si256((__m256i const *)src_ptr));
+    sad2_reg = _mm256_sad_epu8(
+        ref2_reg, _mm256_loadu_si256((__m256i const *)(src_ptr + 32)));
+    sum_sad = _mm256_add_epi32(sum_sad, _mm256_add_epi32(sad1_reg, sad2_reg));
+    ref_ptr += ref_stride;
+    src_ptr += src_stride;
+    second_pred += second_pred_stride;
+  }
+  sum_sad_h = _mm256_srli_si256(sum_sad, 8);
+  sum_sad = _mm256_add_epi32(sum_sad, sum_sad_h);
+  sum_sad128 = _mm256_extracti128_si256(sum_sad, 1);
+  sum_sad128 = _mm_add_epi32(_mm256_castsi256_si128(sum_sad), sum_sad128);
+  res = _mm_cvtsi128_si32(sum_sad128);
+
+  return res;
+}
+
+unsigned int aom_sad64x128_avg_avx2(const uint8_t *src_ptr, int src_stride,
+                                    const uint8_t *ref_ptr, int ref_stride,
+                                    const uint8_t *second_pred) {
+  uint32_t sum = sad_w64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 64,
+                                  second_pred, 64);
+  src_ptr += src_stride << 6;
+  ref_ptr += ref_stride << 6;
+  second_pred += 64 << 6;
+  sum += sad_w64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 64,
+                          second_pred, 64);
+  return sum;
+}
+
+unsigned int aom_sad128x64_avg_avx2(const uint8_t *src_ptr, int src_stride,
+                                    const uint8_t *ref_ptr, int ref_stride,
+                                    const uint8_t *second_pred) {
+  unsigned int half_width = 64;
+  uint32_t sum = sad_w64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 64,
+                                  second_pred, 128);
+  src_ptr += half_width;
+  ref_ptr += half_width;
+  second_pred += half_width;
+  sum += sad_w64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 64,
+                          second_pred, 128);
+  return sum;
+}
+
+unsigned int aom_sad128x128_avg_avx2(const uint8_t *src_ptr, int src_stride,
+                                     const uint8_t *ref_ptr, int ref_stride,
+                                     const uint8_t *second_pred) {
+  uint32_t sum = aom_sad128x64_avg_avx2(src_ptr, src_stride, ref_ptr,
+                                        ref_stride, second_pred);
+  src_ptr += src_stride << 6;
+  ref_ptr += ref_stride << 6;
+  second_pred += 128 << 6;
+  sum += aom_sad128x64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride,
+                                second_pred);
+  return sum;
+}