variance_test.cc

/*
 * 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 <cstdlib>
#include <new>

#include "third_party/googletest/src/include/gtest/gtest.h"

#include "./aom_config.h"
#include "./aom_dsp_rtcd.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "aom/aom_codec.h"
#include "aom/aom_integer.h"
#include "aom_mem/aom_mem.h"
#include "aom_ports/mem.h"

namespace {

typedef unsigned int (*VarianceMxNFunc)(const uint8_t *a, int a_stride,
                                        const uint8_t *b, int b_stride,
                                        unsigned int *sse);
typedef unsigned int (*SubpixVarMxNFunc)(const uint8_t *a, int a_stride,
                                         int xoffset, int yoffset,
                                         const uint8_t *b, int b_stride,
                                         unsigned int *sse);
typedef unsigned int (*SubpixAvgVarMxNFunc)(const uint8_t *a, int a_stride,
                                            int xoffset, int yoffset,
                                            const uint8_t *b, int b_stride,
                                            uint32_t *sse,
                                            const uint8_t *second_pred);
typedef unsigned int (*Get4x4SseFunc)(const uint8_t *a, int a_stride,
                                      const uint8_t *b, int b_stride);
typedef unsigned int (*SumOfSquaresFunction)(const int16_t *src);

using ::std::tr1::get;
using ::std::tr1::make_tuple;
using ::std::tr1::tuple;
using libaom_test::ACMRandom;

// Truncate high bit depth results by downshifting (with rounding) by:
// 2 * (bit_depth - 8) for sse
// (bit_depth - 8) for se
static void RoundHighBitDepth(int bit_depth, int64_t *se, uint64_t *sse) {
  switch (bit_depth) {
    case AOM_BITS_12:
      *sse = (*sse + 128) >> 8;
      *se = (*se + 8) >> 4;
      break;
    case AOM_BITS_10:
      *sse = (*sse + 8) >> 4;
      *se = (*se + 2) >> 2;
      break;
    case AOM_BITS_8:
    default: break;
  }
}

static unsigned int mb_ss_ref(const int16_t *src) {
  unsigned int res = 0;
  for (int i = 0; i < 256; ++i) {
    res += src[i] * src[i];
  }
  return res;
}

static uint32_t variance_ref(const uint8_t *src, const uint8_t *ref, int l2w,
                             int l2h, int src_stride_coeff,
                             int ref_stride_coeff, uint32_t *sse_ptr,
                             bool use_high_bit_depth_,
                             aom_bit_depth_t bit_depth) {
  int64_t se = 0;
  uint64_t sse = 0;
  const int w = 1 << l2w;
  const int h = 1 << l2h;
  for (int y = 0; y < h; y++) {
    for (int x = 0; x < w; x++) {
      int diff;
      if (!use_high_bit_depth_) {
        diff = ref[w * y * ref_stride_coeff + x] -
               src[w * y * src_stride_coeff + x];
        se += diff;
        sse += diff * diff;
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        diff = CONVERT_TO_SHORTPTR(ref)[w * y * ref_stride_coeff + x] -
               CONVERT_TO_SHORTPTR(src)[w * y * src_stride_coeff + x];
        se += diff;
        sse += diff * diff;
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
    }
  }
  RoundHighBitDepth(bit_depth, &se, &sse);
  *sse_ptr = static_cast<uint32_t>(sse);
  return static_cast<uint32_t>(sse - ((se * se) >> (l2w + l2h)));
}

/* The subpel reference functions differ from the codec version in one aspect:
 * they calculate the bilinear factors directly instead of using a lookup table
 * and therefore upshift xoff and yoff by 1. Only every other calculated value
 * is used so the codec version shrinks the table to save space and maintain
 * compatibility with aom.
 */
static uint32_t subpel_variance_ref(const uint8_t *ref, const uint8_t *src,
                                    int l2w, int l2h, int xoff, int yoff,
                                    uint32_t *sse_ptr, bool use_high_bit_depth_,
                                    aom_bit_depth_t bit_depth) {
  int64_t se = 0;
  uint64_t sse = 0;
  const int w = 1 << l2w;
  const int h = 1 << l2h;

  xoff <<= 1;
  yoff <<= 1;

  for (int y = 0; y < h; y++) {
    for (int x = 0; x < w; x++) {
      // Bilinear interpolation at a 16th pel step.
      if (!use_high_bit_depth_) {
        const int a1 = ref[(w + 1) * (y + 0) + x + 0];
        const int a2 = ref[(w + 1) * (y + 0) + x + 1];
        const int b1 = ref[(w + 1) * (y + 1) + x + 0];
        const int b2 = ref[(w + 1) * (y + 1) + x + 1];
        const int a = a1 + (((a2 - a1) * xoff + 8) >> 4);
        const int b = b1 + (((b2 - b1) * xoff + 8) >> 4);
        const int r = a + (((b - a) * yoff + 8) >> 4);
        const int diff = r - src[w * y + x];
        se += diff;
        sse += diff * diff;
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        uint16_t *ref16 = CONVERT_TO_SHORTPTR(ref);
        uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
        const int a1 = ref16[(w + 1) * (y + 0) + x + 0];
        const int a2 = ref16[(w + 1) * (y + 0) + x + 1];
        const int b1 = ref16[(w + 1) * (y + 1) + x + 0];
        const int b2 = ref16[(w + 1) * (y + 1) + x + 1];
        const int a = a1 + (((a2 - a1) * xoff + 8) >> 4);
        const int b = b1 + (((b2 - b1) * xoff + 8) >> 4);
        const int r = a + (((b - a) * yoff + 8) >> 4);
        const int diff = r - src16[w * y + x];
        se += diff;
        sse += diff * diff;
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
    }
  }
  RoundHighBitDepth(bit_depth, &se, &sse);
  *sse_ptr = static_cast<uint32_t>(sse);
  return static_cast<uint32_t>(sse - ((se * se) >> (l2w + l2h)));
}

class SumOfSquaresTest : public ::testing::TestWithParam<SumOfSquaresFunction> {
 public:
  SumOfSquaresTest() : func_(GetParam()) {}

  virtual ~SumOfSquaresTest() { libaom_test::ClearSystemState(); }

 protected:
  void ConstTest();
  void RefTest();

  SumOfSquaresFunction func_;
  ACMRandom rnd_;
};

void SumOfSquaresTest::ConstTest() {
  int16_t mem[256];
  unsigned int res;
  for (int v = 0; v < 256; ++v) {
    for (int i = 0; i < 256; ++i) {
      mem[i] = v;
    }
    ASM_REGISTER_STATE_CHECK(res = func_(mem));
    EXPECT_EQ(256u * (v * v), res);
  }
}

void SumOfSquaresTest::RefTest() {
  int16_t mem[256];
  for (int i = 0; i < 100; ++i) {
    for (int j = 0; j < 256; ++j) {
      mem[j] = rnd_.Rand8() - rnd_.Rand8();
    }

    const unsigned int expected = mb_ss_ref(mem);
    unsigned int res;
    ASM_REGISTER_STATE_CHECK(res = func_(mem));
    EXPECT_EQ(expected, res);
  }
}

template <typename VarianceFunctionType>
class VarianceTest : public ::testing::TestWithParam<
                         tuple<int, int, VarianceFunctionType, int> > {
 public:
  virtual void SetUp() {
    const tuple<int, int, VarianceFunctionType, int> &params = this->GetParam();
    log2width_ = get<0>(params);
    width_ = 1 << log2width_;
    log2height_ = get<1>(params);
    height_ = 1 << log2height_;
    variance_ = get<2>(params);
    if (get<3>(params)) {
      bit_depth_ = static_cast<aom_bit_depth_t>(get<3>(params));
      use_high_bit_depth_ = true;
    } else {
      bit_depth_ = AOM_BITS_8;
      use_high_bit_depth_ = false;
    }
    mask_ = (1 << bit_depth_) - 1;

    rnd_.Reset(ACMRandom::DeterministicSeed());
    block_size_ = width_ * height_;
    if (!use_high_bit_depth_) {
      src_ = reinterpret_cast<uint8_t *>(aom_memalign(16, block_size_ * 2));
      ref_ = new uint8_t[block_size_ * 2];
#if CONFIG_AOM_HIGHBITDEPTH
    } else {
      src_ = CONVERT_TO_BYTEPTR(reinterpret_cast<uint16_t *>(
          aom_memalign(16, block_size_ * 2 * sizeof(uint16_t))));
      ref_ = CONVERT_TO_BYTEPTR(new uint16_t[block_size_ * 2]);
#endif  // CONFIG_AOM_HIGHBITDEPTH
    }
    ASSERT_TRUE(src_ != NULL);
    ASSERT_TRUE(ref_ != NULL);
  }

  virtual void TearDown() {
    if (!use_high_bit_depth_) {
      aom_free(src_);
      delete[] ref_;
#if CONFIG_AOM_HIGHBITDEPTH
    } else {
      aom_free(CONVERT_TO_SHORTPTR(src_));
      delete[] CONVERT_TO_SHORTPTR(ref_);
#endif  // CONFIG_AOM_HIGHBITDEPTH
    }
    libaom_test::ClearSystemState();
  }

 protected:
  void ZeroTest();
  void RefTest();
  void RefStrideTest();
  void OneQuarterTest();

  ACMRandom rnd_;
  uint8_t *src_;
  uint8_t *ref_;
  int width_, log2width_;
  int height_, log2height_;
  aom_bit_depth_t bit_depth_;
  int mask_;
  bool use_high_bit_depth_;
  int block_size_;
  VarianceFunctionType variance_;
};

template <typename VarianceFunctionType>
void VarianceTest<VarianceFunctionType>::ZeroTest() {
  for (int i = 0; i <= 255; ++i) {
    if (!use_high_bit_depth_) {
      memset(src_, i, block_size_);
#if CONFIG_AOM_HIGHBITDEPTH
    } else {
      aom_memset16(CONVERT_TO_SHORTPTR(src_), i << (bit_depth_ - 8),
                   block_size_);
#endif  // CONFIG_AOM_HIGHBITDEPTH
    }
    for (int j = 0; j <= 255; ++j) {
      if (!use_high_bit_depth_) {
        memset(ref_, j, block_size_);
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        aom_memset16(CONVERT_TO_SHORTPTR(ref_), j << (bit_depth_ - 8),
                     block_size_);
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
      unsigned int sse;
      unsigned int var;
      ASM_REGISTER_STATE_CHECK(var =
                                   variance_(src_, width_, ref_, width_, &sse));
      EXPECT_EQ(0u, var) << "src values: " << i << " ref values: " << j;
    }
  }
}

template <typename VarianceFunctionType>
void VarianceTest<VarianceFunctionType>::RefTest() {
  for (int i = 0; i < 10; ++i) {
    for (int j = 0; j < block_size_; j++) {
      if (!use_high_bit_depth_) {
        src_[j] = rnd_.Rand8();
        ref_[j] = rnd_.Rand8();
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        CONVERT_TO_SHORTPTR(src_)[j] = rnd_.Rand16() && mask_;
        CONVERT_TO_SHORTPTR(ref_)[j] = rnd_.Rand16() && mask_;
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
    }
    unsigned int sse1, sse2;
    unsigned int var1;
    const int stride_coeff = 1;
    ASM_REGISTER_STATE_CHECK(var1 =
                                 variance_(src_, width_, ref_, width_, &sse1));
    const unsigned int var2 =
        variance_ref(src_, ref_, log2width_, log2height_, stride_coeff,
                     stride_coeff, &sse2, use_high_bit_depth_, bit_depth_);
    EXPECT_EQ(sse1, sse2);
    EXPECT_EQ(var1, var2);
  }
}

template <typename VarianceFunctionType>
void VarianceTest<VarianceFunctionType>::RefStrideTest() {
  for (int i = 0; i < 10; ++i) {
    int ref_stride_coeff = i % 2;
    int src_stride_coeff = (i >> 1) % 2;
    for (int j = 0; j < block_size_; j++) {
      int ref_ind = (j / width_) * ref_stride_coeff * width_ + j % width_;
      int src_ind = (j / width_) * src_stride_coeff * width_ + j % width_;
      if (!use_high_bit_depth_) {
        src_[src_ind] = rnd_.Rand8();
        ref_[ref_ind] = rnd_.Rand8();
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        CONVERT_TO_SHORTPTR(src_)[src_ind] = rnd_.Rand16() && mask_;
        CONVERT_TO_SHORTPTR(ref_)[ref_ind] = rnd_.Rand16() && mask_;
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
    }
    unsigned int sse1, sse2;
    unsigned int var1;

    ASM_REGISTER_STATE_CHECK(var1 = variance_(src_, width_ * src_stride_coeff,
                                              ref_, width_ * ref_stride_coeff,
                                              &sse1));
    const unsigned int var2 =
        variance_ref(src_, ref_, log2width_, log2height_, src_stride_coeff,
                     ref_stride_coeff, &sse2, use_high_bit_depth_, bit_depth_);
    EXPECT_EQ(sse1, sse2);
    EXPECT_EQ(var1, var2);
  }
}

template <typename VarianceFunctionType>
void VarianceTest<VarianceFunctionType>::OneQuarterTest() {
  const int half = block_size_ / 2;
  if (!use_high_bit_depth_) {
    memset(src_, 255, block_size_);
    memset(ref_, 255, half);
    memset(ref_ + half, 0, half);
#if CONFIG_AOM_HIGHBITDEPTH
  } else {
    aom_memset16(CONVERT_TO_SHORTPTR(src_), 255 << (bit_depth_ - 8),
                 block_size_);
    aom_memset16(CONVERT_TO_SHORTPTR(ref_), 255 << (bit_depth_ - 8), half);
    aom_memset16(CONVERT_TO_SHORTPTR(ref_) + half, 0, half);
#endif  // CONFIG_AOM_HIGHBITDEPTH
  }
  unsigned int sse;
  unsigned int var;
  ASM_REGISTER_STATE_CHECK(var = variance_(src_, width_, ref_, width_, &sse));
  const unsigned int expected = block_size_ * 255 * 255 / 4;
  EXPECT_EQ(expected, var);
}

template <typename MseFunctionType>
class MseTest
    : public ::testing::TestWithParam<tuple<int, int, MseFunctionType> > {
 public:
  virtual void SetUp() {
    const tuple<int, int, MseFunctionType> &params = this->GetParam();
    log2width_ = get<0>(params);
    width_ = 1 << log2width_;
    log2height_ = get<1>(params);
    height_ = 1 << log2height_;
    mse_ = get<2>(params);

    rnd(ACMRandom::DeterministicSeed());
    block_size_ = width_ * height_;
    src_ = reinterpret_cast<uint8_t *>(aom_memalign(16, block_size_));
    ref_ = new uint8_t[block_size_];
    ASSERT_TRUE(src_ != NULL);
    ASSERT_TRUE(ref_ != NULL);
  }

  virtual void TearDown() {
    aom_free(src_);
    delete[] ref_;
    libaom_test::ClearSystemState();
  }

 protected:
  void RefTest_mse();
  void RefTest_sse();
  void MaxTest_mse();
  void MaxTest_sse();

  ACMRandom rnd;
  uint8_t *src_;
  uint8_t *ref_;
  int width_, log2width_;
  int height_, log2height_;
  int block_size_;
  MseFunctionType mse_;
};

template <typename MseFunctionType>
void MseTest<MseFunctionType>::RefTest_mse() {
  for (int i = 0; i < 10; ++i) {
    for (int j = 0; j < block_size_; j++) {
      src_[j] = rnd.Rand8();
      ref_[j] = rnd.Rand8();
    }
    unsigned int sse1, sse2;
    const int stride_coeff = 1;
    ASM_REGISTER_STATE_CHECK(mse_(src_, width_, ref_, width_, &sse1));
    variance_ref(src_, ref_, log2width_, log2height_, stride_coeff,
                 stride_coeff, &sse2, false, AOM_BITS_8);
    EXPECT_EQ(sse1, sse2);
  }
}

template <typename MseFunctionType>
void MseTest<MseFunctionType>::RefTest_sse() {
  for (int i = 0; i < 10; ++i) {
    for (int j = 0; j < block_size_; j++) {
      src_[j] = rnd.Rand8();
      ref_[j] = rnd.Rand8();
    }
    unsigned int sse2;
    unsigned int var1;
    const int stride_coeff = 1;
    ASM_REGISTER_STATE_CHECK(var1 = mse_(src_, width_, ref_, width_));
    variance_ref(src_, ref_, log2width_, log2height_, stride_coeff,
                 stride_coeff, &sse2, false, AOM_BITS_8);
    EXPECT_EQ(var1, sse2);
  }
}

template <typename MseFunctionType>
void MseTest<MseFunctionType>::MaxTest_mse() {
  memset(src_, 255, block_size_);
  memset(ref_, 0, block_size_);
  unsigned int sse;
  ASM_REGISTER_STATE_CHECK(mse_(src_, width_, ref_, width_, &sse));
  const unsigned int expected = block_size_ * 255 * 255;
  EXPECT_EQ(expected, sse);
}

template <typename MseFunctionType>
void MseTest<MseFunctionType>::MaxTest_sse() {
  memset(src_, 255, block_size_);
  memset(ref_, 0, block_size_);
  unsigned int var;
  ASM_REGISTER_STATE_CHECK(var = mse_(src_, width_, ref_, width_));
  const unsigned int expected = block_size_ * 255 * 255;
  EXPECT_EQ(expected, var);
}

static uint32_t subpel_avg_variance_ref(const uint8_t *ref, const uint8_t *src,
                                        const uint8_t *second_pred, int l2w,
                                        int l2h, int xoff, int yoff,
                                        uint32_t *sse_ptr,
                                        bool use_high_bit_depth,
                                        aom_bit_depth_t bit_depth) {
  int64_t se = 0;
  uint64_t sse = 0;
  const int w = 1 << l2w;
  const int h = 1 << l2h;

  xoff <<= 1;
  yoff <<= 1;

  for (int y = 0; y < h; y++) {
    for (int x = 0; x < w; x++) {
      // bilinear interpolation at a 16th pel step
      if (!use_high_bit_depth) {
        const int a1 = ref[(w + 1) * (y + 0) + x + 0];
        const int a2 = ref[(w + 1) * (y + 0) + x + 1];
        const int b1 = ref[(w + 1) * (y + 1) + x + 0];
        const int b2 = ref[(w + 1) * (y + 1) + x + 1];
        const int a = a1 + (((a2 - a1) * xoff + 8) >> 4);
        const int b = b1 + (((b2 - b1) * xoff + 8) >> 4);
        const int r = a + (((b - a) * yoff + 8) >> 4);
        const int diff =
            ((r + second_pred[w * y + x] + 1) >> 1) - src[w * y + x];
        se += diff;
        sse += diff * diff;
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        uint16_t *ref16 = CONVERT_TO_SHORTPTR(ref);
        uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
        uint16_t *sec16 = CONVERT_TO_SHORTPTR(second_pred);
        const int a1 = ref16[(w + 1) * (y + 0) + x + 0];
        const int a2 = ref16[(w + 1) * (y + 0) + x + 1];
        const int b1 = ref16[(w + 1) * (y + 1) + x + 0];
        const int b2 = ref16[(w + 1) * (y + 1) + x + 1];
        const int a = a1 + (((a2 - a1) * xoff + 8) >> 4);
        const int b = b1 + (((b2 - b1) * xoff + 8) >> 4);
        const int r = a + (((b - a) * yoff + 8) >> 4);
        const int diff = ((r + sec16[w * y + x] + 1) >> 1) - src16[w * y + x];
        se += diff;
        sse += diff * diff;
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
    }
  }
  RoundHighBitDepth(bit_depth, &se, &sse);
  *sse_ptr = static_cast<uint32_t>(sse);
  return static_cast<uint32_t>(sse - ((se * se) >> (l2w + l2h)));
}

template <typename SubpelVarianceFunctionType>
class SubpelVarianceTest
    : public ::testing::TestWithParam<
          tuple<int, int, SubpelVarianceFunctionType, int> > {
 public:
  virtual void SetUp() {
    const tuple<int, int, SubpelVarianceFunctionType, int> &params =
        this->GetParam();
    log2width_ = get<0>(params);
    width_ = 1 << log2width_;
    log2height_ = get<1>(params);
    height_ = 1 << log2height_;
    subpel_variance_ = get<2>(params);
    if (get<3>(params)) {
      bit_depth_ = (aom_bit_depth_t)get<3>(params);
      use_high_bit_depth_ = true;
    } else {
      bit_depth_ = AOM_BITS_8;
      use_high_bit_depth_ = false;
    }
    mask_ = (1 << bit_depth_) - 1;

    rnd_.Reset(ACMRandom::DeterministicSeed());
    block_size_ = width_ * height_;
    if (!use_high_bit_depth_) {
      src_ = reinterpret_cast<uint8_t *>(aom_memalign(16, block_size_));
      sec_ = reinterpret_cast<uint8_t *>(aom_memalign(16, block_size_));
      ref_ = new uint8_t[block_size_ + width_ + height_ + 1];
#if CONFIG_AOM_HIGHBITDEPTH
    } else {
      src_ = CONVERT_TO_BYTEPTR(reinterpret_cast<uint16_t *>(
          aom_memalign(16, block_size_ * sizeof(uint16_t))));
      sec_ = CONVERT_TO_BYTEPTR(reinterpret_cast<uint16_t *>(
          aom_memalign(16, block_size_ * sizeof(uint16_t))));
      ref_ =
          CONVERT_TO_BYTEPTR(new uint16_t[block_size_ + width_ + height_ + 1]);
#endif  // CONFIG_AOM_HIGHBITDEPTH
    }
    ASSERT_TRUE(src_ != NULL);
    ASSERT_TRUE(sec_ != NULL);
    ASSERT_TRUE(ref_ != NULL);
  }

  virtual void TearDown() {
    if (!use_high_bit_depth_) {
      aom_free(src_);
      delete[] ref_;
      aom_free(sec_);
#if CONFIG_AOM_HIGHBITDEPTH
    } else {
      aom_free(CONVERT_TO_SHORTPTR(src_));
      delete[] CONVERT_TO_SHORTPTR(ref_);
      aom_free(CONVERT_TO_SHORTPTR(sec_));
#endif  // CONFIG_AOM_HIGHBITDEPTH
    }
    libaom_test::ClearSystemState();
  }

 protected:
  void RefTest();
  void ExtremeRefTest();

  ACMRandom rnd_;
  uint8_t *src_;
  uint8_t *ref_;
  uint8_t *sec_;
  bool use_high_bit_depth_;
  aom_bit_depth_t bit_depth_;
  int width_, log2width_;
  int height_, log2height_;
  int block_size_, mask_;
  SubpelVarianceFunctionType subpel_variance_;
};

template <typename SubpelVarianceFunctionType>
void SubpelVarianceTest<SubpelVarianceFunctionType>::RefTest() {
  for (int x = 0; x < 8; ++x) {
    for (int y = 0; y < 8; ++y) {
      if (!use_high_bit_depth_) {
        for (int j = 0; j < block_size_; j++) {
          src_[j] = rnd_.Rand8();
        }
        for (int j = 0; j < block_size_ + width_ + height_ + 1; j++) {
          ref_[j] = rnd_.Rand8();
        }
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        for (int j = 0; j < block_size_; j++) {
          CONVERT_TO_SHORTPTR(src_)[j] = rnd_.Rand16() & mask_;
        }
        for (int j = 0; j < block_size_ + width_ + height_ + 1; j++) {
          CONVERT_TO_SHORTPTR(ref_)[j] = rnd_.Rand16() & mask_;
        }
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
      unsigned int sse1, sse2;
      unsigned int var1;
      ASM_REGISTER_STATE_CHECK(
          var1 = subpel_variance_(ref_, width_ + 1, x, y, src_, width_, &sse1));
      const unsigned int var2 =
          subpel_variance_ref(ref_, src_, log2width_, log2height_, x, y, &sse2,
                              use_high_bit_depth_, bit_depth_);
      EXPECT_EQ(sse1, sse2) << "at position " << x << ", " << y;
      EXPECT_EQ(var1, var2) << "at position " << x << ", " << y;
    }
  }
}

template <typename SubpelVarianceFunctionType>
void SubpelVarianceTest<SubpelVarianceFunctionType>::ExtremeRefTest() {
  // Compare against reference.
  // Src: Set the first half of values to 0, the second half to the maximum.
  // Ref: Set the first half of values to the maximum, the second half to 0.
  for (int x = 0; x < 8; ++x) {
    for (int y = 0; y < 8; ++y) {
      const int half = block_size_ / 2;
      if (!use_high_bit_depth_) {
        memset(src_, 0, half);
        memset(src_ + half, 255, half);
        memset(ref_, 255, half);
        memset(ref_ + half, 0, half + width_ + height_ + 1);
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        aom_memset16(CONVERT_TO_SHORTPTR(src_), mask_, half);
        aom_memset16(CONVERT_TO_SHORTPTR(src_) + half, 0, half);
        aom_memset16(CONVERT_TO_SHORTPTR(ref_), 0, half);
        aom_memset16(CONVERT_TO_SHORTPTR(ref_) + half, mask_,
                     half + width_ + height_ + 1);
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
      unsigned int sse1, sse2;
      unsigned int var1;
      ASM_REGISTER_STATE_CHECK(
          var1 = subpel_variance_(ref_, width_ + 1, x, y, src_, width_, &sse1));
      const unsigned int var2 =
          subpel_variance_ref(ref_, src_, log2width_, log2height_, x, y, &sse2,
                              use_high_bit_depth_, bit_depth_);
      EXPECT_EQ(sse1, sse2) << "for xoffset " << x << " and yoffset " << y;
      EXPECT_EQ(var1, var2) << "for xoffset " << x << " and yoffset " << y;
    }
  }
}

template <>
void SubpelVarianceTest<SubpixAvgVarMxNFunc>::RefTest() {
  for (int x = 0; x < 8; ++x) {
    for (int y = 0; y < 8; ++y) {
      if (!use_high_bit_depth_) {
        for (int j = 0; j < block_size_; j++) {
          src_[j] = rnd_.Rand8();
          sec_[j] = rnd_.Rand8();
        }
        for (int j = 0; j < block_size_ + width_ + height_ + 1; j++) {
          ref_[j] = rnd_.Rand8();
        }
#if CONFIG_AOM_HIGHBITDEPTH
      } else {
        for (int j = 0; j < block_size_; j++) {
          CONVERT_TO_SHORTPTR(src_)[j] = rnd_.Rand16() & mask_;
          CONVERT_TO_SHORTPTR(sec_)[j] = rnd_.Rand16() & mask_;
        }
        for (int j = 0; j < block_size_ + width_ + height_ + 1; j++) {
          CONVERT_TO_SHORTPTR(ref_)[j] = rnd_.Rand16() & mask_;
        }
#endif  // CONFIG_AOM_HIGHBITDEPTH
      }
      unsigned int sse1, sse2;
      unsigned int var1;
      ASM_REGISTER_STATE_CHECK(var1 =
                                   subpel_variance_(ref_, width_ + 1, x, y,
                                                    src_, width_, &sse1, sec_));
      const unsigned int var2 =
          subpel_avg_variance_ref(ref_, src_, sec_, log2width_, log2height_, x,
                                  y, &sse2, use_high_bit_depth_, bit_depth_);
      EXPECT_EQ(sse1, sse2) << "at position " << x << ", " << y;
      EXPECT_EQ(var1, var2) << "at position " << x << ", " << y;
    }
  }
}

typedef MseTest<Get4x4SseFunc> AvxSseTest;
typedef MseTest<VarianceMxNFunc> AvxMseTest;
typedef VarianceTest<VarianceMxNFunc> AvxVarianceTest;
typedef SubpelVarianceTest<SubpixVarMxNFunc> AvxSubpelVarianceTest;
typedef SubpelVarianceTest<SubpixAvgVarMxNFunc> AvxSubpelAvgVarianceTest;

TEST_P(AvxSseTest, Ref_sse) { RefTest_sse(); }
TEST_P(AvxSseTest, Max_sse) { MaxTest_sse(); }
TEST_P(AvxMseTest, Ref_mse) { RefTest_mse(); }
TEST_P(AvxMseTest, Max_mse) { MaxTest_mse(); }
TEST_P(AvxVarianceTest, Zero) { ZeroTest(); }
TEST_P(AvxVarianceTest, Ref) { RefTest(); }
TEST_P(AvxVarianceTest, RefStride) { RefStrideTest(); }
TEST_P(AvxVarianceTest, OneQuarter) { OneQuarterTest(); }
TEST_P(SumOfSquaresTest, Const) { ConstTest(); }
TEST_P(SumOfSquaresTest, Ref) { RefTest(); }
TEST_P(AvxSubpelVarianceTest, Ref) { RefTest(); }
TEST_P(AvxSubpelVarianceTest, ExtremeRef) { ExtremeRefTest(); }
TEST_P(AvxSubpelAvgVarianceTest, Ref) { RefTest(); }

INSTANTIATE_TEST_CASE_P(C, SumOfSquaresTest,
                        ::testing::Values(aom_get_mb_ss_c));

INSTANTIATE_TEST_CASE_P(C, AvxSseTest,
                        ::testing::Values(make_tuple(2, 2,
                                                     &aom_get4x4sse_cs_c)));

INSTANTIATE_TEST_CASE_P(C, AvxMseTest,
                        ::testing::Values(make_tuple(4, 4, &aom_mse16x16_c),
                                          make_tuple(4, 3, &aom_mse16x8_c),
                                          make_tuple(3, 4, &aom_mse8x16_c),
                                          make_tuple(3, 3, &aom_mse8x8_c)));

INSTANTIATE_TEST_CASE_P(
    C, AvxVarianceTest,
    ::testing::Values(make_tuple(6, 6, &aom_variance64x64_c, 0),
                      make_tuple(6, 5, &aom_variance64x32_c, 0),
                      make_tuple(5, 6, &aom_variance32x64_c, 0),
                      make_tuple(5, 5, &aom_variance32x32_c, 0),
                      make_tuple(5, 4, &aom_variance32x16_c, 0),
                      make_tuple(4, 5, &aom_variance16x32_c, 0),
                      make_tuple(4, 4, &aom_variance16x16_c, 0),
                      make_tuple(4, 3, &aom_variance16x8_c, 0),
                      make_tuple(3, 4, &aom_variance8x16_c, 0),
                      make_tuple(3, 3, &aom_variance8x8_c, 0),
                      make_tuple(3, 2, &aom_variance8x4_c, 0),
                      make_tuple(2, 3, &aom_variance4x8_c, 0),
                      make_tuple(2, 2, &aom_variance4x4_c, 0)));

INSTANTIATE_TEST_CASE_P(
    C, AvxSubpelVarianceTest,
    ::testing::Values(make_tuple(6, 6, &aom_sub_pixel_variance64x64_c, 0),
                      make_tuple(6, 5, &aom_sub_pixel_variance64x32_c, 0),
                      make_tuple(5, 6, &aom_sub_pixel_variance32x64_c, 0),
                      make_tuple(5, 5, &aom_sub_pixel_variance32x32_c, 0),
                      make_tuple(5, 4, &aom_sub_pixel_variance32x16_c, 0),
                      make_tuple(4, 5, &aom_sub_pixel_variance16x32_c, 0),
                      make_tuple(4, 4, &aom_sub_pixel_variance16x16_c, 0),
                      make_tuple(4, 3, &aom_sub_pixel_variance16x8_c, 0),
                      make_tuple(3, 4, &aom_sub_pixel_variance8x16_c, 0),
                      make_tuple(3, 3, &aom_sub_pixel_variance8x8_c, 0),
                      make_tuple(3, 2, &aom_sub_pixel_variance8x4_c, 0),
                      make_tuple(2, 3, &aom_sub_pixel_variance4x8_c, 0),
                      make_tuple(2, 2, &aom_sub_pixel_variance4x4_c, 0)));

INSTANTIATE_TEST_CASE_P(
    C, AvxSubpelAvgVarianceTest,
    ::testing::Values(make_tuple(6, 6, &aom_sub_pixel_avg_variance64x64_c, 0),
                      make_tuple(6, 5, &aom_sub_pixel_avg_variance64x32_c, 0),
                      make_tuple(5, 6, &aom_sub_pixel_avg_variance32x64_c, 0),
                      make_tuple(5, 5, &aom_sub_pixel_avg_variance32x32_c, 0),
                      make_tuple(5, 4, &aom_sub_pixel_avg_variance32x16_c, 0),
                      make_tuple(4, 5, &aom_sub_pixel_avg_variance16x32_c, 0),
                      make_tuple(4, 4, &aom_sub_pixel_avg_variance16x16_c, 0),
                      make_tuple(4, 3, &aom_sub_pixel_avg_variance16x8_c, 0),
                      make_tuple(3, 4, &aom_sub_pixel_avg_variance8x16_c, 0),
                      make_tuple(3, 3, &aom_sub_pixel_avg_variance8x8_c, 0),
                      make_tuple(3, 2, &aom_sub_pixel_avg_variance8x4_c, 0),
                      make_tuple(2, 3, &aom_sub_pixel_avg_variance4x8_c, 0),
                      make_tuple(2, 2, &aom_sub_pixel_avg_variance4x4_c, 0)));

#if CONFIG_AOM_HIGHBITDEPTH
typedef MseTest<VarianceMxNFunc> AvxHBDMseTest;
typedef VarianceTest<VarianceMxNFunc> AvxHBDVarianceTest;
typedef SubpelVarianceTest<SubpixVarMxNFunc> AvxHBDSubpelVarianceTest;
typedef SubpelVarianceTest<SubpixAvgVarMxNFunc> AvxHBDSubpelAvgVarianceTest;

TEST_P(AvxHBDMseTest, Ref_mse) { RefTest_mse(); }
TEST_P(AvxHBDMseTest, Max_mse) { MaxTest_mse(); }
TEST_P(AvxHBDVarianceTest, Zero) { ZeroTest(); }
TEST_P(AvxHBDVarianceTest, Ref) { RefTest(); }
TEST_P(AvxHBDVarianceTest, RefStride) { RefStrideTest(); }
TEST_P(AvxHBDVarianceTest, OneQuarter) { OneQuarterTest(); }
TEST_P(AvxHBDSubpelVarianceTest, Ref) { RefTest(); }
TEST_P(AvxHBDSubpelVarianceTest, ExtremeRef) { ExtremeRefTest(); }
TEST_P(AvxHBDSubpelAvgVarianceTest, Ref) { RefTest(); }

/* TODO(debargha): This test does not support the highbd version
INSTANTIATE_TEST_CASE_P(
    C, AvxHBDMseTest,
    ::testing::Values(make_tuple(4, 4, &aom_highbd_12_mse16x16_c),
                      make_tuple(4, 4, &aom_highbd_12_mse16x8_c),
                      make_tuple(4, 4, &aom_highbd_12_mse8x16_c),
                      make_tuple(4, 4, &aom_highbd_12_mse8x8_c),
                      make_tuple(4, 4, &aom_highbd_10_mse16x16_c),
                      make_tuple(4, 4, &aom_highbd_10_mse16x8_c),
                      make_tuple(4, 4, &aom_highbd_10_mse8x16_c),
                      make_tuple(4, 4, &aom_highbd_10_mse8x8_c),
                      make_tuple(4, 4, &aom_highbd_8_mse16x16_c),
                      make_tuple(4, 4, &aom_highbd_8_mse16x8_c),
                      make_tuple(4, 4, &aom_highbd_8_mse8x16_c),
                      make_tuple(4, 4, &aom_highbd_8_mse8x8_c)));
*/

INSTANTIATE_TEST_CASE_P(
    C, AvxHBDVarianceTest,
    ::testing::Values(make_tuple(6, 6, &aom_highbd_12_variance64x64_c, 12),
                      make_tuple(6, 5, &aom_highbd_12_variance64x32_c, 12),
                      make_tuple(5, 6, &aom_highbd_12_variance32x64_c, 12),
                      make_tuple(5, 5, &aom_highbd_12_variance32x32_c, 12),
                      make_tuple(5, 4, &aom_highbd_12_variance32x16_c, 12),
                      make_tuple(4, 5, &aom_highbd_12_variance16x32_c, 12),
                      make_tuple(4, 4, &aom_highbd_12_variance16x16_c, 12),
                      make_tuple(4, 3, &aom_highbd_12_variance16x8_c, 12),
                      make_tuple(3, 4, &aom_highbd_12_variance8x16_c, 12),
                      make_tuple(3, 3, &aom_highbd_12_variance8x8_c, 12),
                      make_tuple(3, 2, &aom_highbd_12_variance8x4_c, 12),
                      make_tuple(2, 3, &aom_highbd_12_variance4x8_c, 12),
                      make_tuple(2, 2, &aom_highbd_12_variance4x4_c, 12),
                      make_tuple(6, 6, &aom_highbd_10_variance64x64_c, 10),
                      make_tuple(6, 5, &aom_highbd_10_variance64x32_c, 10),
                      make_tuple(5, 6, &aom_highbd_10_variance32x64_c, 10),
                      make_tuple(5, 5, &aom_highbd_10_variance32x32_c, 10),
                      make_tuple(5, 4, &aom_highbd_10_variance32x16_c, 10),
                      make_tuple(4, 5, &aom_highbd_10_variance16x32_c, 10),
                      make_tuple(4, 4, &aom_highbd_10_variance16x16_c, 10),
                      make_tuple(4, 3, &aom_highbd_10_variance16x8_c, 10),
                      make_tuple(3, 4, &aom_highbd_10_variance8x16_c, 10),
                      make_tuple(3, 3, &aom_highbd_10_variance8x8_c, 10),
                      make_tuple(3, 2, &aom_highbd_10_variance8x4_c, 10),
                      make_tuple(2, 3, &aom_highbd_10_variance4x8_c, 10),
                      make_tuple(2, 2, &aom_highbd_10_variance4x4_c, 10),
                      make_tuple(6, 6, &aom_highbd_8_variance64x64_c, 8),
                      make_tuple(6, 5, &aom_highbd_8_variance64x32_c, 8),
                      make_tuple(5, 6, &aom_highbd_8_variance32x64_c, 8),
                      make_tuple(5, 5, &aom_highbd_8_variance32x32_c, 8),
                      make_tuple(5, 4, &aom_highbd_8_variance32x16_c, 8),
                      make_tuple(4, 5, &aom_highbd_8_variance16x32_c, 8),
                      make_tuple(4, 4, &aom_highbd_8_variance16x16_c, 8),
                      make_tuple(4, 3, &aom_highbd_8_variance16x8_c, 8),
                      make_tuple(3, 4, &aom_highbd_8_variance8x16_c, 8),
                      make_tuple(3, 3, &aom_highbd_8_variance8x8_c, 8),
                      make_tuple(3, 2, &aom_highbd_8_variance8x4_c, 8),
                      make_tuple(2, 3, &aom_highbd_8_variance4x8_c, 8),
                      make_tuple(2, 2, &aom_highbd_8_variance4x4_c, 8)));

INSTANTIATE_TEST_CASE_P(
    C, AvxHBDSubpelVarianceTest,
    ::testing::Values(
        make_tuple(6, 6, &aom_highbd_8_sub_pixel_variance64x64_c, 8),
        make_tuple(6, 5, &aom_highbd_8_sub_pixel_variance64x32_c, 8),
        make_tuple(5, 6, &aom_highbd_8_sub_pixel_variance32x64_c, 8),
        make_tuple(5, 5, &aom_highbd_8_sub_pixel_variance32x32_c, 8),
        make_tuple(5, 4, &aom_highbd_8_sub_pixel_variance32x16_c, 8),
        make_tuple(4, 5, &aom_highbd_8_sub_pixel_variance16x32_c, 8),
        make_tuple(4, 4, &aom_highbd_8_sub_pixel_variance16x16_c, 8),
        make_tuple(4, 3, &aom_highbd_8_sub_pixel_variance16x8_c, 8),
        make_tuple(3, 4, &aom_highbd_8_sub_pixel_variance8x16_c, 8),
        make_tuple(3, 3, &aom_highbd_8_sub_pixel_variance8x8_c, 8),
        make_tuple(3, 2, &aom_highbd_8_sub_pixel_variance8x4_c, 8),
        make_tuple(2, 3, &aom_highbd_8_sub_pixel_variance4x8_c, 8),
        make_tuple(2, 2, &aom_highbd_8_sub_pixel_variance4x4_c, 8),
        make_tuple(6, 6, &aom_highbd_10_sub_pixel_variance64x64_c, 10),
        make_tuple(6, 5, &aom_highbd_10_sub_pixel_variance64x32_c, 10),
        make_tuple(5, 6, &aom_highbd_10_sub_pixel_variance32x64_c, 10),
        make_tuple(5, 5, &aom_highbd_10_sub_pixel_variance32x32_c, 10),
        make_tuple(5, 4, &aom_highbd_10_sub_pixel_variance32x16_c, 10),
        make_tuple(4, 5, &aom_highbd_10_sub_pixel_variance16x32_c, 10),
        make_tuple(4, 4, &aom_highbd_10_sub_pixel_variance16x16_c, 10),
        make_tuple(4, 3, &aom_highbd_10_sub_pixel_variance16x8_c, 10),
        make_tuple(3, 4, &aom_highbd_10_sub_pixel_variance8x16_c, 10),
        make_tuple(3, 3, &aom_highbd_10_sub_pixel_variance8x8_c, 10),
        make_tuple(3, 2, &aom_highbd_10_sub_pixel_variance8x4_c, 10),
        make_tuple(2, 3, &aom_highbd_10_sub_pixel_variance4x8_c, 10),
        make_tuple(2, 2, &aom_highbd_10_sub_pixel_variance4x4_c, 10),
        make_tuple(6, 6, &aom_highbd_12_sub_pixel_variance64x64_c, 12),
        make_tuple(6, 5, &aom_highbd_12_sub_pixel_variance64x32_c, 12),
        make_tuple(5, 6, &aom_highbd_12_sub_pixel_variance32x64_c, 12),
        make_tuple(5, 5, &aom_highbd_12_sub_pixel_variance32x32_c, 12),
        make_tuple(5, 4, &aom_highbd_12_sub_pixel_variance32x16_c, 12),
        make_tuple(4, 5, &aom_highbd_12_sub_pixel_variance16x32_c, 12),
        make_tuple(4, 4, &aom_highbd_12_sub_pixel_variance16x16_c, 12),
        make_tuple(4, 3, &aom_highbd_12_sub_pixel_variance16x8_c, 12),
        make_tuple(3, 4, &aom_highbd_12_sub_pixel_variance8x16_c, 12),
        make_tuple(3, 3, &aom_highbd_12_sub_pixel_variance8x8_c, 12),
        make_tuple(3, 2, &aom_highbd_12_sub_pixel_variance8x4_c, 12),
        make_tuple(2, 3, &aom_highbd_12_sub_pixel_variance4x8_c, 12),
        make_tuple(2, 2, &aom_highbd_12_sub_pixel_variance4x4_c, 12)));

INSTANTIATE_TEST_CASE_P(
    C, AvxHBDSubpelAvgVarianceTest,
    ::testing::Values(
        make_tuple(6, 6, &aom_highbd_8_sub_pixel_avg_variance64x64_c, 8),
        make_tuple(6, 5, &aom_highbd_8_sub_pixel_avg_variance64x32_c, 8),
        make_tuple(5, 6, &aom_highbd_8_sub_pixel_avg_variance32x64_c, 8),
        make_tuple(5, 5, &aom_highbd_8_sub_pixel_avg_variance32x32_c, 8),
        make_tuple(5, 4, &aom_highbd_8_sub_pixel_avg_variance32x16_c, 8),
        make_tuple(4, 5, &aom_highbd_8_sub_pixel_avg_variance16x32_c, 8),
        make_tuple(4, 4, &aom_highbd_8_sub_pixel_avg_variance16x16_c, 8),
        make_tuple(4, 3, &aom_highbd_8_sub_pixel_avg_variance16x8_c, 8),
        make_tuple(3, 4, &aom_highbd_8_sub_pixel_avg_variance8x16_c, 8),
        make_tuple(3, 3, &aom_highbd_8_sub_pixel_avg_variance8x8_c, 8),
        make_tuple(3, 2, &aom_highbd_8_sub_pixel_avg_variance8x4_c, 8),
        make_tuple(2, 3, &aom_highbd_8_sub_pixel_avg_variance4x8_c, 8),
        make_tuple(2, 2, &aom_highbd_8_sub_pixel_avg_variance4x4_c, 8),
        make_tuple(6, 6, &aom_highbd_10_sub_pixel_avg_variance64x64_c, 10),
        make_tuple(6, 5, &aom_highbd_10_sub_pixel_avg_variance64x32_c, 10),
        make_tuple(5, 6, &aom_highbd_10_sub_pixel_avg_variance32x64_c, 10),
        make_tuple(5, 5, &aom_highbd_10_sub_pixel_avg_variance32x32_c, 10),
        make_tuple(5, 4, &aom_highbd_10_sub_pixel_avg_variance32x16_c, 10),
        make_tuple(4, 5, &aom_highbd_10_sub_pixel_avg_variance16x32_c, 10),
        make_tuple(4, 4, &aom_highbd_10_sub_pixel_avg_variance16x16_c, 10),
        make_tuple(4, 3, &aom_highbd_10_sub_pixel_avg_variance16x8_c, 10),
        make_tuple(3, 4, &aom_highbd_10_sub_pixel_avg_variance8x16_c, 10),
        make_tuple(3, 3, &aom_highbd_10_sub_pixel_avg_variance8x8_c, 10),
        make_tuple(3, 2, &aom_highbd_10_sub_pixel_avg_variance8x4_c, 10),
        make_tuple(2, 3, &aom_highbd_10_sub_pixel_avg_variance4x8_c, 10),
        make_tuple(2, 2, &aom_highbd_10_sub_pixel_avg_variance4x4_c, 10),
        make_tuple(6, 6, &aom_highbd_12_sub_pixel_avg_variance64x64_c, 12),
        make_tuple(6, 5, &aom_highbd_12_sub_pixel_avg_variance64x32_c, 12),
        make_tuple(5, 6, &aom_highbd_12_sub_pixel_avg_variance32x64_c, 12),
        make_tuple(5, 5, &aom_highbd_12_sub_pixel_avg_variance32x32_c, 12),
        make_tuple(5, 4, &aom_highbd_12_sub_pixel_avg_variance32x16_c, 12),
        make_tuple(4, 5, &aom_highbd_12_sub_pixel_avg_variance16x32_c, 12),
        make_tuple(4, 4, &aom_highbd_12_sub_pixel_avg_variance16x16_c, 12),
        make_tuple(4, 3, &aom_highbd_12_sub_pixel_avg_variance16x8_c, 12),
        make_tuple(3, 4, &aom_highbd_12_sub_pixel_avg_variance8x16_c, 12),
        make_tuple(3, 3, &aom_highbd_12_sub_pixel_avg_variance8x8_c, 12),
        make_tuple(3, 2, &aom_highbd_12_sub_pixel_avg_variance8x4_c, 12),
        make_tuple(2, 3, &aom_highbd_12_sub_pixel_avg_variance4x8_c, 12),
        make_tuple(2, 2, &aom_highbd_12_sub_pixel_avg_variance4x4_c, 12)));
#endif  // CONFIG_AOM_HIGHBITDEPTH

#if HAVE_SSE2
INSTANTIATE_TEST_CASE_P(SSE2, SumOfSquaresTest,
                        ::testing::Values(aom_get_mb_ss_sse2));

INSTANTIATE_TEST_CASE_P(SSE2, AvxMseTest,
                        ::testing::Values(make_tuple(4, 4, &aom_mse16x16_sse2),
                                          make_tuple(4, 3, &aom_mse16x8_sse2),
                                          make_tuple(3, 4, &aom_mse8x16_sse2),
                                          make_tuple(3, 3, &aom_mse8x8_sse2)));

INSTANTIATE_TEST_CASE_P(
    SSE2, AvxVarianceTest,
    ::testing::Values(make_tuple(6, 6, &aom_variance64x64_sse2, 0),
                      make_tuple(6, 5, &aom_variance64x32_sse2, 0),
                      make_tuple(5, 6, &aom_variance32x64_sse2, 0),
                      make_tuple(5, 5, &aom_variance32x32_sse2, 0),
                      make_tuple(5, 4, &aom_variance32x16_sse2, 0),
                      make_tuple(4, 5, &aom_variance16x32_sse2, 0),
                      make_tuple(4, 4, &aom_variance16x16_sse2, 0),
                      make_tuple(4, 3, &aom_variance16x8_sse2, 0),
                      make_tuple(3, 4, &aom_variance8x16_sse2, 0),
                      make_tuple(3, 3, &aom_variance8x8_sse2, 0),
                      make_tuple(3, 2, &aom_variance8x4_sse2, 0),
                      make_tuple(2, 3, &aom_variance4x8_sse2, 0),
                      make_tuple(2, 2, &aom_variance4x4_sse2, 0)));

#if CONFIG_USE_X86INC
INSTANTIATE_TEST_CASE_P(
    SSE2, AvxSubpelVarianceTest,
    ::testing::Values(make_tuple(6, 6, &aom_sub_pixel_variance64x64_sse2, 0),
                      make_tuple(6, 5, &aom_sub_pixel_variance64x32_sse2, 0),
                      make_tuple(5, 6, &aom_sub_pixel_variance32x64_sse2, 0),
                      make_tuple(5, 5, &aom_sub_pixel_variance32x32_sse2, 0),
                      make_tuple(5, 4, &aom_sub_pixel_variance32x16_sse2, 0),
                      make_tuple(4, 5, &aom_sub_pixel_variance16x32_sse2, 0),
                      make_tuple(4, 4, &aom_sub_pixel_variance16x16_sse2, 0),
                      make_tuple(4, 3, &aom_sub_pixel_variance16x8_sse2, 0),
                      make_tuple(3, 4, &aom_sub_pixel_variance8x16_sse2, 0),
                      make_tuple(3, 3, &aom_sub_pixel_variance8x8_sse2, 0),
                      make_tuple(3, 2, &aom_sub_pixel_variance8x4_sse2, 0),
                      make_tuple(2, 3, &aom_sub_pixel_variance4x8_sse, 0),
                      make_tuple(2, 2, &aom_sub_pixel_variance4x4_sse, 0)));

INSTANTIATE_TEST_CASE_P(
    SSE2, AvxSubpelAvgVarianceTest,
    ::testing::Values(
        make_tuple(6, 6, &aom_sub_pixel_avg_variance64x64_sse2, 0),
        make_tuple(6, 5, &aom_sub_pixel_avg_variance64x32_sse2, 0),
        make_tuple(5, 6, &aom_sub_pixel_avg_variance32x64_sse2, 0),
        make_tuple(5, 5, &aom_sub_pixel_avg_variance32x32_sse2, 0),
        make_tuple(5, 4, &aom_sub_pixel_avg_variance32x16_sse2, 0),