/*
 * 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 <cstdlib>
#include <new>
#include <tuple>

#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"

#include "aom/aom_codec.h"
#include "aom/aom_integer.h"
#include "aom_dsp/variance.h"
#include "aom_mem/aom_mem.h"
#include "aom_ports/aom_timer.h"
#include "aom_ports/mem.h"
#include "av1/common/reconinter.h"
#include "av1/encoder/reconinter_enc.h"
#include "test/acm_random.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"

namespace AV1CompMaskVariance {
typedef void (*comp_mask_pred_func)(uint8_t *comp_pred, const uint8_t *pred,
                                    int width, int height, const uint8_t *ref,
                                    int ref_stride, const uint8_t *mask,
                                    int mask_stride, int invert_mask);

typedef void (*comp_avg_pred_func)(uint8_t *comp_pred, const uint8_t *pred,
                                   int width, int height, const uint8_t *ref,
                                   int ref_stride);

#if HAVE_SSSE3 || HAVE_SSE2 || HAVE_AVX2 || HAVE_NEON
const BLOCK_SIZE kCompMaskPredParams[] = {
  BLOCK_8X8,   BLOCK_8X16, BLOCK_8X32,  BLOCK_16X8, BLOCK_16X16,
  BLOCK_16X32, BLOCK_32X8, BLOCK_32X16, BLOCK_32X32
};
#endif

typedef std::tuple<comp_mask_pred_func, BLOCK_SIZE> CompMaskPredParam;

class AV1CompMaskVarianceTest
    : public ::testing::TestWithParam<CompMaskPredParam> {
 public:
  ~AV1CompMaskVarianceTest();
  void SetUp();

  void TearDown();

 protected:
  void RunCheckOutput(comp_mask_pred_func test_impl, BLOCK_SIZE bsize, int inv);
  void RunSpeedTest(comp_mask_pred_func test_impl, BLOCK_SIZE bsize);
  bool CheckResult(int width, int height) {
    for (int y = 0; y < height; ++y) {
      for (int x = 0; x < width; ++x) {
        const int idx = y * width + x;
        if (comp_pred1_[idx] != comp_pred2_[idx]) {
          printf("%dx%d mismatch @%d(%d,%d) ", width, height, idx, y, x);
          printf("%d != %d ", comp_pred1_[idx], comp_pred2_[idx]);
          return false;
        }
      }
    }
    return true;
  }

  libaom_test::ACMRandom rnd_;
  uint8_t *comp_pred1_;
  uint8_t *comp_pred2_;
  uint8_t *pred_;
  uint8_t *ref_buffer_;
  uint8_t *ref_;
};
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(AV1CompMaskVarianceTest);

AV1CompMaskVarianceTest::~AV1CompMaskVarianceTest() {}

void AV1CompMaskVarianceTest::SetUp() {
  rnd_.Reset(libaom_test::ACMRandom::DeterministicSeed());
  av1_init_wedge_masks();
  comp_pred1_ = (uint8_t *)aom_memalign(16, MAX_SB_SQUARE);
  ASSERT_NE(comp_pred1_, nullptr);
  comp_pred2_ = (uint8_t *)aom_memalign(16, MAX_SB_SQUARE);
  ASSERT_NE(comp_pred2_, nullptr);
  pred_ = (uint8_t *)aom_memalign(16, MAX_SB_SQUARE);
  ASSERT_NE(pred_, nullptr);
  ref_buffer_ = (uint8_t *)aom_memalign(16, MAX_SB_SQUARE + (8 * MAX_SB_SIZE));
  ASSERT_NE(ref_buffer_, nullptr);
  ref_ = ref_buffer_ + (8 * MAX_SB_SIZE);
  for (int i = 0; i < MAX_SB_SQUARE; ++i) {
    pred_[i] = rnd_.Rand8();
  }
  for (int i = 0; i < MAX_SB_SQUARE + (8 * MAX_SB_SIZE); ++i) {
    ref_buffer_[i] = rnd_.Rand8();
  }
}

void AV1CompMaskVarianceTest::TearDown() {
  aom_free(comp_pred1_);
  aom_free(comp_pred2_);
  aom_free(pred_);
  aom_free(ref_buffer_);
}

void AV1CompMaskVarianceTest::RunCheckOutput(comp_mask_pred_func test_impl,
                                             BLOCK_SIZE bsize, int inv) {
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int wedge_types = get_wedge_types_lookup(bsize);
  for (int wedge_index = 0; wedge_index < wedge_types; ++wedge_index) {
    const uint8_t *mask = av1_get_contiguous_soft_mask(wedge_index, 1, bsize);

    aom_comp_mask_pred_c(comp_pred1_, pred_, w, h, ref_, MAX_SB_SIZE, mask, w,
                         inv);
    test_impl(comp_pred2_, pred_, w, h, ref_, MAX_SB_SIZE, mask, w, inv);

    ASSERT_EQ(CheckResult(w, h), true)
        << " wedge " << wedge_index << " inv " << inv;
  }
}

void AV1CompMaskVarianceTest::RunSpeedTest(comp_mask_pred_func test_impl,
                                           BLOCK_SIZE bsize) {
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int wedge_types = get_wedge_types_lookup(bsize);
  int wedge_index = wedge_types / 2;
  const uint8_t *mask = av1_get_contiguous_soft_mask(wedge_index, 1, bsize);
  const int num_loops = 1000000000 / (w + h);

  comp_mask_pred_func funcs[2] = { aom_comp_mask_pred_c, test_impl };
  double elapsed_time[2] = { 0 };
  for (int i = 0; i < 2; ++i) {
    aom_usec_timer timer;
    aom_usec_timer_start(&timer);
    comp_mask_pred_func func = funcs[i];
    for (int j = 0; j < num_loops; ++j) {
      func(comp_pred1_, pred_, w, h, ref_, MAX_SB_SIZE, mask, w, 0);
    }
    aom_usec_timer_mark(&timer);
    double time = static_cast<double>(aom_usec_timer_elapsed(&timer));
    elapsed_time[i] = 1000.0 * time / num_loops;
  }
  printf("compMask %3dx%-3d: %7.2f/%7.2fns", w, h, elapsed_time[0],
         elapsed_time[1]);
  printf("(%3.2f)\n", elapsed_time[0] / elapsed_time[1]);
}

TEST_P(AV1CompMaskVarianceTest, CheckOutput) {
  // inv = 0, 1
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1), 0);
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1), 1);
}

TEST_P(AV1CompMaskVarianceTest, DISABLED_Speed) {
  RunSpeedTest(GET_PARAM(0), GET_PARAM(1));
}

#if HAVE_SSSE3
INSTANTIATE_TEST_SUITE_P(
    SSSE3, AV1CompMaskVarianceTest,
    ::testing::Combine(::testing::Values(&aom_comp_mask_pred_ssse3),
                       ::testing::ValuesIn(kCompMaskPredParams)));
#endif

#if HAVE_AVX2
INSTANTIATE_TEST_SUITE_P(
    AVX2, AV1CompMaskVarianceTest,
    ::testing::Combine(::testing::Values(&aom_comp_mask_pred_avx2),
                       ::testing::ValuesIn(kCompMaskPredParams)));
#endif

#if HAVE_NEON
INSTANTIATE_TEST_SUITE_P(
    NEON, AV1CompMaskVarianceTest,
    ::testing::Combine(::testing::Values(&aom_comp_mask_pred_neon),
                       ::testing::ValuesIn(kCompMaskPredParams)));
#endif

#ifndef aom_comp_mask_pred
// can't run this test if aom_comp_mask_pred is defined to aom_comp_mask_pred_c
class AV1CompMaskUpVarianceTest : public AV1CompMaskVarianceTest {
 public:
  ~AV1CompMaskUpVarianceTest();

 protected:
  void RunCheckOutput(comp_mask_pred_func test_impl, BLOCK_SIZE bsize, int inv);
  void RunSpeedTest(comp_mask_pred_func test_impl, BLOCK_SIZE bsize,
                    int havSub);
};

AV1CompMaskUpVarianceTest::~AV1CompMaskUpVarianceTest() {}

void AV1CompMaskUpVarianceTest::RunCheckOutput(comp_mask_pred_func test_impl,
                                               BLOCK_SIZE bsize, int inv) {
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int wedge_types = get_wedge_types_lookup(bsize);
  int subpel_search;
  for (subpel_search = USE_4_TAPS; subpel_search <= USE_8_TAPS;
       ++subpel_search) {
    // loop through subx and suby
    for (int sub = 0; sub < 8 * 8; ++sub) {
      int subx = sub & 0x7;
      int suby = (sub >> 3);
      for (int wedge_index = 0; wedge_index < wedge_types; ++wedge_index) {
        const uint8_t *mask =
            av1_get_contiguous_soft_mask(wedge_index, 1, bsize);

        // ref
        aom_comp_mask_upsampled_pred_c(
            nullptr, nullptr, 0, 0, nullptr, comp_pred1_, pred_, w, h, subx,
            suby, ref_, MAX_SB_SIZE, mask, w, inv, subpel_search);

        aom_comp_mask_pred = test_impl;  // test
        aom_comp_mask_upsampled_pred(nullptr, nullptr, 0, 0, nullptr,
                                     comp_pred2_, pred_, w, h, subx, suby, ref_,
                                     MAX_SB_SIZE, mask, w, inv, subpel_search);
        ASSERT_EQ(CheckResult(w, h), true)
            << " wedge " << wedge_index << " inv " << inv << "sub (" << subx
            << "," << suby << ")";
      }
    }
  }
}

void AV1CompMaskUpVarianceTest::RunSpeedTest(comp_mask_pred_func test_impl,
                                             BLOCK_SIZE bsize, int havSub) {
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int subx = havSub ? 3 : 0;
  const int suby = havSub ? 4 : 0;
  const int wedge_types = get_wedge_types_lookup(bsize);
  int wedge_index = wedge_types / 2;
  const uint8_t *mask = av1_get_contiguous_soft_mask(wedge_index, 1, bsize);

  const int num_loops = 1000000000 / (w + h);
  comp_mask_pred_func funcs[2] = { &aom_comp_mask_pred_c, test_impl };
  double elapsed_time[2] = { 0 };
  int subpel_search = USE_8_TAPS;  // set to USE_4_TAPS to test 4-tap filter.
  for (int i = 0; i < 2; ++i) {
    aom_usec_timer timer;
    aom_usec_timer_start(&timer);
    aom_comp_mask_pred = funcs[i];
    for (int j = 0; j < num_loops; ++j) {
      aom_comp_mask_upsampled_pred(nullptr, nullptr, 0, 0, nullptr, comp_pred1_,
                                   pred_, w, h, subx, suby, ref_, MAX_SB_SIZE,
                                   mask, w, 0, subpel_search);
    }
    aom_usec_timer_mark(&timer);
    double time = static_cast<double>(aom_usec_timer_elapsed(&timer));
    elapsed_time[i] = 1000.0 * time / num_loops;
  }
  printf("CompMaskUp[%d] %3dx%-3d:%7.2f/%7.2fns", havSub, w, h, elapsed_time[0],
         elapsed_time[1]);
  printf("(%3.2f)\n", elapsed_time[0] / elapsed_time[1]);
}

TEST_P(AV1CompMaskUpVarianceTest, CheckOutput) {
  // inv mask = 0, 1
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1), 0);
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1), 1);
}

TEST_P(AV1CompMaskUpVarianceTest, DISABLED_Speed) {
  RunSpeedTest(GET_PARAM(0), GET_PARAM(1), 1);
}

#if HAVE_SSSE3
INSTANTIATE_TEST_SUITE_P(
    SSSE3, AV1CompMaskUpVarianceTest,
    ::testing::Combine(::testing::Values(&aom_comp_mask_pred_ssse3),
                       ::testing::ValuesIn(kCompMaskPredParams)));
#endif

#if HAVE_AVX2
INSTANTIATE_TEST_SUITE_P(
    AVX2, AV1CompMaskUpVarianceTest,
    ::testing::Combine(::testing::Values(&aom_comp_mask_pred_avx2),
                       ::testing::ValuesIn(kCompMaskPredParams)));
#endif

#endif  // ifndef aom_comp_mask_pred

#if HAVE_SSSE3 || HAVE_SSE2 || HAVE_AVX2 || HAVE_NEON
const BLOCK_SIZE kValidBlockSize[] = {
  BLOCK_4X4,     BLOCK_8X8,   BLOCK_8X16,  BLOCK_8X32,   BLOCK_16X8,
  BLOCK_16X16,   BLOCK_16X32, BLOCK_32X8,  BLOCK_32X16,  BLOCK_32X32,
  BLOCK_32X64,   BLOCK_64X32, BLOCK_64X64, BLOCK_64X128, BLOCK_128X64,
  BLOCK_128X128, BLOCK_16X64, BLOCK_64X16
};
#endif

typedef std::tuple<comp_avg_pred_func, BLOCK_SIZE> CompAvgPredParam;

class AV1CompAvgPredTest : public ::testing::TestWithParam<CompAvgPredParam> {
 public:
  ~AV1CompAvgPredTest();
  void SetUp();

  void TearDown();

 protected:
  void RunCheckOutput(comp_avg_pred_func test_impl, BLOCK_SIZE bsize);
  void RunSpeedTest(comp_avg_pred_func test_impl, BLOCK_SIZE bsize);
  bool CheckResult(int width, int height) {
    for (int y = 0; y < height; ++y) {
      for (int x = 0; x < width; ++x) {
        const int idx = y * width + x;
        if (comp_pred1_[idx] != comp_pred2_[idx]) {
          printf("%dx%d mismatch @%d(%d,%d) ", width, height, idx, x, y);
          printf("%d != %d ", comp_pred1_[idx], comp_pred2_[idx]);
          return false;
        }
      }
    }
    return true;
  }

  libaom_test::ACMRandom rnd_;
  uint8_t *comp_pred1_;
  uint8_t *comp_pred2_;
  uint8_t *pred_;
  uint8_t *ref_;
};
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(AV1CompAvgPredTest);

AV1CompAvgPredTest::~AV1CompAvgPredTest() {}

void AV1CompAvgPredTest::SetUp() {
  rnd_.Reset(libaom_test::ACMRandom::DeterministicSeed());

  comp_pred1_ = (uint8_t *)aom_memalign(16, MAX_SB_SQUARE);
  ASSERT_NE(comp_pred1_, nullptr);
  comp_pred2_ = (uint8_t *)aom_memalign(16, MAX_SB_SQUARE);
  ASSERT_NE(comp_pred2_, nullptr);
  pred_ = (uint8_t *)aom_memalign(16, MAX_SB_SQUARE);
  ASSERT_NE(pred_, nullptr);
  ref_ = (uint8_t *)aom_memalign(16, MAX_SB_SQUARE);
  ASSERT_NE(ref_, nullptr);
  for (int i = 0; i < MAX_SB_SQUARE; ++i) {
    pred_[i] = rnd_.Rand8();
  }
  for (int i = 0; i < MAX_SB_SQUARE; ++i) {
    ref_[i] = rnd_.Rand8();
  }
}

void AV1CompAvgPredTest::TearDown() {
  aom_free(comp_pred1_);
  aom_free(comp_pred2_);
  aom_free(pred_);
  aom_free(ref_);
}

void AV1CompAvgPredTest::RunCheckOutput(comp_avg_pred_func test_impl,
                                        BLOCK_SIZE bsize) {
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  aom_comp_avg_pred_c(comp_pred1_, pred_, w, h, ref_, MAX_SB_SIZE);
  test_impl(comp_pred2_, pred_, w, h, ref_, MAX_SB_SIZE);

  ASSERT_EQ(CheckResult(w, h), true);
}

void AV1CompAvgPredTest::RunSpeedTest(comp_avg_pred_func test_impl,
                                      BLOCK_SIZE bsize) {
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int num_loops = 1000000000 / (w + h);

  comp_avg_pred_func functions[2] = { aom_comp_avg_pred_c, test_impl };
  double elapsed_time[2] = { 0.0 };
  for (int i = 0; i < 2; ++i) {
    aom_usec_timer timer;
    aom_usec_timer_start(&timer);
    comp_avg_pred_func func = functions[i];
    for (int j = 0; j < num_loops; ++j) {
      func(comp_pred1_, pred_, w, h, ref_, MAX_SB_SIZE);
    }
    aom_usec_timer_mark(&timer);
    const double time = static_cast<double>(aom_usec_timer_elapsed(&timer));
    elapsed_time[i] = 1000.0 * time;
  }
  printf("compMask %3dx%-3d: %7.2f/%7.2fns", w, h, elapsed_time[0],
         elapsed_time[1]);
  printf("(%3.2f)\n", elapsed_time[0] / elapsed_time[1]);
}

TEST_P(AV1CompAvgPredTest, CheckOutput) {
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1));
}

TEST_P(AV1CompAvgPredTest, DISABLED_Speed) {
  RunSpeedTest(GET_PARAM(0), GET_PARAM(1));
}

#if HAVE_AVX2
INSTANTIATE_TEST_SUITE_P(
    AVX2, AV1CompAvgPredTest,
    ::testing::Combine(::testing::Values(&aom_comp_avg_pred_avx2),
                       ::testing::ValuesIn(kValidBlockSize)));
#endif

#if HAVE_NEON
INSTANTIATE_TEST_SUITE_P(
    NEON, AV1CompAvgPredTest,
    ::testing::Combine(::testing::Values(&aom_comp_avg_pred_neon),
                       ::testing::ValuesIn(kValidBlockSize)));
#endif

#if CONFIG_AV1_HIGHBITDEPTH
typedef void (*highbd_comp_mask_pred_func)(uint8_t *comp_pred8,
                                           const uint8_t *pred8, int width,
                                           int height, const uint8_t *ref8,
                                           int ref_stride, const uint8_t *mask,
                                           int mask_stride, int invert_mask);

typedef std::tuple<highbd_comp_mask_pred_func, BLOCK_SIZE, int>
    HighbdCompMaskPredParam;

class AV1HighbdCompMaskVarianceTest
    : public ::testing::TestWithParam<HighbdCompMaskPredParam> {
 public:
  ~AV1HighbdCompMaskVarianceTest();
  void SetUp();

  void TearDown();

 protected:
  void RunCheckOutput(highbd_comp_mask_pred_func test_impl, BLOCK_SIZE bsize,
                      int inv);
  void RunSpeedTest(highbd_comp_mask_pred_func test_impl, BLOCK_SIZE bsize);
  bool CheckResult(int width, int height) {
    for (int y = 0; y < height; ++y) {
      for (int x = 0; x < width; ++x) {
        const int idx = y * width + x;
        if (comp_pred1_[idx] != comp_pred2_[idx]) {
          printf("%dx%d mismatch @%d(%d,%d) ", width, height, idx, y, x);
          printf("%d != %d ", comp_pred1_[idx], comp_pred2_[idx]);
          return false;
        }
      }
    }
    return true;
  }

  libaom_test::ACMRandom rnd_;
  uint16_t *comp_pred1_;
  uint16_t *comp_pred2_;
  uint16_t *pred_;
  uint16_t *ref_buffer_;
  uint16_t *ref_;
};
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(AV1HighbdCompMaskVarianceTest);

AV1HighbdCompMaskVarianceTest::~AV1HighbdCompMaskVarianceTest() {}

void AV1HighbdCompMaskVarianceTest::SetUp() {
  rnd_.Reset(libaom_test::ACMRandom::DeterministicSeed());
  av1_init_wedge_masks();

  comp_pred1_ =
      (uint16_t *)aom_memalign(16, MAX_SB_SQUARE * sizeof(*comp_pred1_));
  ASSERT_NE(comp_pred1_, nullptr);
  comp_pred2_ =
      (uint16_t *)aom_memalign(16, MAX_SB_SQUARE * sizeof(*comp_pred2_));
  ASSERT_NE(comp_pred2_, nullptr);
  pred_ = (uint16_t *)aom_memalign(16, MAX_SB_SQUARE * sizeof(*pred_));
  ASSERT_NE(pred_, nullptr);
  ref_buffer_ = (uint16_t *)aom_memalign(
      16, (MAX_SB_SQUARE + (8 * MAX_SB_SIZE)) * sizeof(*ref_buffer_));
  ASSERT_NE(ref_buffer_, nullptr);
  ref_ = ref_buffer_ + (8 * MAX_SB_SIZE);
}

void AV1HighbdCompMaskVarianceTest::TearDown() {
  aom_free(comp_pred1_);
  aom_free(comp_pred2_);
  aom_free(pred_);
  aom_free(ref_buffer_);
}

void AV1HighbdCompMaskVarianceTest::RunCheckOutput(
    highbd_comp_mask_pred_func test_impl, BLOCK_SIZE bsize, int inv) {
  int bd_ = GET_PARAM(2);
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int wedge_types = get_wedge_types_lookup(bsize);

  for (int i = 0; i < MAX_SB_SQUARE; ++i) {
    pred_[i] = rnd_.Rand16() & ((1 << bd_) - 1);
  }
  for (int i = 0; i < MAX_SB_SQUARE + (8 * MAX_SB_SIZE); ++i) {
    ref_buffer_[i] = rnd_.Rand16() & ((1 << bd_) - 1);
  }

  for (int wedge_index = 0; wedge_index < wedge_types; ++wedge_index) {
    const uint8_t *mask = av1_get_contiguous_soft_mask(wedge_index, 1, bsize);

    aom_highbd_comp_mask_pred_c(
        CONVERT_TO_BYTEPTR(comp_pred1_), CONVERT_TO_BYTEPTR(pred_), w, h,
        CONVERT_TO_BYTEPTR(ref_), MAX_SB_SIZE, mask, w, inv);

    test_impl(CONVERT_TO_BYTEPTR(comp_pred2_), CONVERT_TO_BYTEPTR(pred_), w, h,
              CONVERT_TO_BYTEPTR(ref_), MAX_SB_SIZE, mask, w, inv);

    ASSERT_EQ(CheckResult(w, h), true)
        << " wedge " << wedge_index << " inv " << inv;
  }
}

void AV1HighbdCompMaskVarianceTest::RunSpeedTest(
    highbd_comp_mask_pred_func test_impl, BLOCK_SIZE bsize) {
  int bd_ = GET_PARAM(2);

  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int wedge_types = get_wedge_types_lookup(bsize);
  int wedge_index = wedge_types / 2;

  for (int i = 0; i < MAX_SB_SQUARE; ++i) {
    pred_[i] = rnd_.Rand16() & ((1 << bd_) - 1);
  }
  for (int i = 0; i < MAX_SB_SQUARE + (8 * MAX_SB_SIZE); ++i) {
    ref_buffer_[i] = rnd_.Rand16() & ((1 << bd_) - 1);
  }

  const uint8_t *mask = av1_get_contiguous_soft_mask(wedge_index, 1, bsize);
  const int num_loops = 1000000000 / (w + h);

  highbd_comp_mask_pred_func funcs[2] = { aom_highbd_comp_mask_pred_c,
                                          test_impl };
  double elapsed_time[2] = { 0 };
  for (int i = 0; i < 2; ++i) {
    aom_usec_timer timer;
    aom_usec_timer_start(&timer);
    highbd_comp_mask_pred_func func = funcs[i];
    for (int j = 0; j < num_loops; ++j) {
      func(CONVERT_TO_BYTEPTR(comp_pred1_), CONVERT_TO_BYTEPTR(pred_), w, h,
           CONVERT_TO_BYTEPTR(ref_), MAX_SB_SIZE, mask, w, 0);
    }
    aom_usec_timer_mark(&timer);
    double time = static_cast<double>(aom_usec_timer_elapsed(&timer));
    elapsed_time[i] = 1000.0 * time / num_loops;
  }
  printf("compMask %3dx%-3d: %7.2f/%7.2fns", w, h, elapsed_time[0],
         elapsed_time[1]);
  printf("(%3.2f)\n", elapsed_time[0] / elapsed_time[1]);
}

TEST_P(AV1HighbdCompMaskVarianceTest, CheckOutput) {
  // inv = 0, 1
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1), 0);
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1), 1);
}

TEST_P(AV1HighbdCompMaskVarianceTest, DISABLED_Speed) {
  RunSpeedTest(GET_PARAM(0), GET_PARAM(1));
}

#if HAVE_AVX2
INSTANTIATE_TEST_SUITE_P(
    AVX2, AV1HighbdCompMaskVarianceTest,
    ::testing::Combine(::testing::Values(&aom_highbd_comp_mask_pred_avx2),
                       ::testing::ValuesIn(kCompMaskPredParams),
                       ::testing::Range(8, 13, 2)));
#endif

#if HAVE_SSE2
INSTANTIATE_TEST_SUITE_P(
    SSE2, AV1HighbdCompMaskVarianceTest,
    ::testing::Combine(::testing::Values(&aom_highbd_comp_mask_pred_sse2),
                       ::testing::ValuesIn(kCompMaskPredParams),
                       ::testing::Range(8, 13, 2)));
#endif

#ifndef aom_highbd_comp_mask_pred
// can't run this test if aom_highbd_comp_mask_pred is defined to
// aom_highbd_comp_mask_pred_c
class AV1HighbdCompMaskUpVarianceTest : public AV1HighbdCompMaskVarianceTest {
 public:
  ~AV1HighbdCompMaskUpVarianceTest();

 protected:
  void RunCheckOutput(highbd_comp_mask_pred_func test_impl, BLOCK_SIZE bsize,
                      int inv);
  void RunSpeedTest(highbd_comp_mask_pred_func test_impl, BLOCK_SIZE bsize,
                    int havSub);
};

AV1HighbdCompMaskUpVarianceTest::~AV1HighbdCompMaskUpVarianceTest() {}

void AV1HighbdCompMaskUpVarianceTest::RunCheckOutput(
    highbd_comp_mask_pred_func test_impl, BLOCK_SIZE bsize, int inv) {
  (void)test_impl;
  int bd_ = GET_PARAM(2);
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int wedge_types = get_wedge_types_lookup(bsize);

  for (int i = 0; i < MAX_SB_SQUARE; ++i) {
    pred_[i] = rnd_.Rand16() & ((1 << bd_) - 1);
  }
  for (int i = 0; i < MAX_SB_SQUARE + (8 * MAX_SB_SIZE); ++i) {
    ref_buffer_[i] = rnd_.Rand16() & ((1 << bd_) - 1);
  }

  int subpel_search;
  for (subpel_search = 1; subpel_search <= 2; ++subpel_search) {
    // loop through subx and suby
    for (int sub = 0; sub < 8 * 8; ++sub) {
      int subx = sub & 0x7;
      int suby = (sub >> 3);
      for (int wedge_index = 0; wedge_index < wedge_types; ++wedge_index) {
        const uint8_t *mask =
            av1_get_contiguous_soft_mask(wedge_index, 1, bsize);

        // ref
        aom_highbd_upsampled_pred_c(nullptr, nullptr, 0, 0, nullptr,
                                    CONVERT_TO_BYTEPTR(comp_pred1_), w, h, subx,
                                    suby, CONVERT_TO_BYTEPTR(ref_), MAX_SB_SIZE,
                                    bd_, subpel_search);

        aom_highbd_comp_mask_pred_c(
            CONVERT_TO_BYTEPTR(comp_pred1_), CONVERT_TO_BYTEPTR(pred_), w, h,
            CONVERT_TO_BYTEPTR(comp_pred1_), w, mask, w, inv);

        // test
        aom_highbd_upsampled_pred(nullptr, nullptr, 0, 0, nullptr,
                                  CONVERT_TO_BYTEPTR(comp_pred2_), w, h, subx,
                                  suby, CONVERT_TO_BYTEPTR(ref_), MAX_SB_SIZE,
                                  bd_, subpel_search);

        aom_highbd_comp_mask_pred(
            CONVERT_TO_BYTEPTR(comp_pred2_), CONVERT_TO_BYTEPTR(pred_), w, h,
            CONVERT_TO_BYTEPTR(comp_pred2_), w, mask, w, inv);

        ASSERT_EQ(CheckResult(w, h), true)
            << " wedge " << wedge_index << " inv " << inv << "sub (" << subx
            << "," << suby << ")";
      }
    }
  }
}

void AV1HighbdCompMaskUpVarianceTest::RunSpeedTest(
    highbd_comp_mask_pred_func test_impl, BLOCK_SIZE bsize, int havSub) {
  int bd_ = GET_PARAM(2);
  const int w = block_size_wide[bsize];
  const int h = block_size_high[bsize];
  const int subx = havSub ? 3 : 0;
  const int suby = havSub ? 4 : 0;
  const int wedge_types = get_wedge_types_lookup(bsize);
  int wedge_index = wedge_types / 2;
  const uint8_t *mask = av1_get_contiguous_soft_mask(wedge_index, 1, bsize);

  for (int i = 0; i < MAX_SB_SQUARE; ++i) {
    pred_[i] = rnd_.Rand16() & ((1 << bd_) - 1);
  }
  for (int i = 0; i < MAX_SB_SQUARE + (8 * MAX_SB_SIZE); ++i) {
    ref_buffer_[i] = rnd_.Rand16() & ((1 << bd_) - 1);
  }

  const int num_loops = 1000000000 / (w + h);
  highbd_comp_mask_pred_func funcs[2] = { &aom_highbd_comp_mask_pred_c,
                                          test_impl };
  double elapsed_time[2] = { 0 };
  for (int i = 0; i < 2; ++i) {
    aom_usec_timer timer;
    aom_usec_timer_start(&timer);
    aom_highbd_comp_mask_pred = funcs[i];
    int subpel_search = 2;  // set to 1 to test 4-tap filter.
    for (int j = 0; j < num_loops; ++j) {
      aom_highbd_comp_mask_upsampled_pred(
          nullptr, nullptr, 0, 0, nullptr, CONVERT_TO_BYTEPTR(comp_pred1_),
          CONVERT_TO_BYTEPTR(pred_), w, h, subx, suby, CONVERT_TO_BYTEPTR(ref_),
          MAX_SB_SIZE, mask, w, 0, bd_, subpel_search);
    }
    aom_usec_timer_mark(&timer);
    double time = static_cast<double>(aom_usec_timer_elapsed(&timer));
    elapsed_time[i] = 1000.0 * time / num_loops;
  }
  printf("CompMaskUp[%d] %3dx%-3d:%7.2f/%7.2fns", havSub, w, h, elapsed_time[0],
         elapsed_time[1]);
  printf("(%3.2f)\n", elapsed_time[0] / elapsed_time[1]);
}

TEST_P(AV1HighbdCompMaskUpVarianceTest, CheckOutput) {
  // inv mask = 0, 1
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1), 0);
  RunCheckOutput(GET_PARAM(0), GET_PARAM(1), 1);
}

TEST_P(AV1HighbdCompMaskUpVarianceTest, DISABLED_Speed) {
  RunSpeedTest(GET_PARAM(0), GET_PARAM(1), 1);
}

#if HAVE_AVX2
INSTANTIATE_TEST_SUITE_P(
    AVX2, AV1HighbdCompMaskUpVarianceTest,
    ::testing::Combine(::testing::Values(&aom_highbd_comp_mask_pred_avx2),
                       ::testing::ValuesIn(kCompMaskPredParams),
                       ::testing::Range(8, 13, 2)));
#endif

#if HAVE_SSE2
INSTANTIATE_TEST_SUITE_P(
    SSE2, AV1HighbdCompMaskUpVarianceTest,
    ::testing::Combine(::testing::Values(&aom_highbd_comp_mask_pred_sse2),
                       ::testing::ValuesIn(kCompMaskPredParams),
                       ::testing::Range(8, 13, 2)));
#endif

#endif  // ifndef aom_highbd_comp_mask_pred
#endif  // CONFIG_AV1_HIGHBITDEPTH
}  // namespace AV1CompMaskVariance