test/sad_test.cc

/*
 *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */


#include <string.h>
#include <limits.h>
#include <stdio.h>

#include "./vpx_config.h"
#if CONFIG_VP8_ENCODER
#include "./vp8_rtcd.h"
#endif
#if CONFIG_VP9_ENCODER
#include "./vp9_rtcd.h"
#endif
#include "vpx_mem/vpx_mem.h"

#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "third_party/googletest/src/include/gtest/gtest.h"


#if CONFIG_VP8_ENCODER
typedef unsigned int (*sad_m_by_n_fn_t)(const unsigned char *source_ptr,
                                        int source_stride,
                                        const unsigned char *reference_ptr,
                                        int reference_stride,
                                        unsigned int max_sad);
typedef std::tr1::tuple<int, int, sad_m_by_n_fn_t> sad_m_by_n_test_param_t;
#endif
#if CONFIG_VP9_ENCODER
typedef unsigned int (*sad_m_by_n_fn_vp9_t)(const unsigned char *source_ptr,
                                            int source_stride,
                                            const unsigned char *reference_ptr,
                                            int reference_stride);
typedef std::tr1::tuple<int, int, sad_m_by_n_fn_vp9_t>
                  sad_m_by_n_test_param_vp9_t;
#endif

typedef void (*sad_n_by_n_by_4_fn_t)(const uint8_t *src_ptr,
                                     int src_stride,
                                     const unsigned char * const ref_ptr[],
                                     int ref_stride,
                                     unsigned int *sad_array);
typedef std::tr1::tuple<int, int, sad_n_by_n_by_4_fn_t>
        sad_n_by_n_by_4_test_param_t;

using libvpx_test::ACMRandom;

namespace {
class SADTestBase : public ::testing::Test {
 public:
  SADTestBase(int width, int height) : width_(width), height_(height) {}

  static void SetUpTestCase() {
    source_data_ = reinterpret_cast<uint8_t*>(
        vpx_memalign(kDataAlignment, kDataBlockSize));
    reference_data_ = reinterpret_cast<uint8_t*>(
        vpx_memalign(kDataAlignment, kDataBufferSize));
  }

  static void TearDownTestCase() {
    vpx_free(source_data_);
    source_data_ = NULL;
    vpx_free(reference_data_);
    reference_data_ = NULL;
  }

  virtual void TearDown() {
    libvpx_test::ClearSystemState();
  }

 protected:
  // Handle blocks up to 4 blocks 64x64 with stride up to 128
  static const int kDataAlignment = 16;
  static const int kDataBlockSize = 64 * 128;
  static const int kDataBufferSize = 4 * kDataBlockSize;

  virtual void SetUp() {
    source_stride_ = (width_ + 31) & ~31;
    reference_stride_ = width_ * 2;
    rnd_.Reset(ACMRandom::DeterministicSeed());
  }

  virtual uint8_t* GetReference(int block_idx) {
    return reference_data_ + block_idx * kDataBlockSize;
  }

  // Sum of Absolute Differences. Given two blocks, calculate the absolute
  // difference between two pixels in the same relative location; accumulate.
  unsigned int ReferenceSAD(unsigned int max_sad, int block_idx) {
    unsigned int sad = 0;
    const uint8_t* const reference = GetReference(block_idx);

    for (int h = 0; h < height_; ++h) {
      for (int w = 0; w < width_; ++w) {
        sad += abs(source_data_[h * source_stride_ + w]
               - reference[h * reference_stride_ + w]);
      }
      if (sad > max_sad) {
        break;
      }
    }
    return sad;
  }

  void FillConstant(uint8_t *data, int stride, uint8_t fill_constant) {
    for (int h = 0; h < height_; ++h) {
      for (int w = 0; w < width_; ++w) {
        data[h * stride + w] = fill_constant;
      }
    }
  }

  void FillRandom(uint8_t *data, int stride) {
    for (int h = 0; h < height_; ++h) {
      for (int w = 0; w < width_; ++w) {
        data[h * stride + w] = rnd_.Rand8();
      }
    }
  }

  int width_, height_;
  static uint8_t* source_data_;
  int source_stride_;
  static uint8_t* reference_data_;
  int reference_stride_;

  ACMRandom rnd_;
};

class SADx4Test
    : public SADTestBase,
      public ::testing::WithParamInterface<sad_n_by_n_by_4_test_param_t> {
 public:
  SADx4Test() : SADTestBase(GET_PARAM(0), GET_PARAM(1)) {}

 protected:
  void SADs(unsigned int *results) {
    const uint8_t* refs[] = {GetReference(0), GetReference(1),
                             GetReference(2), GetReference(3)};

    REGISTER_STATE_CHECK(GET_PARAM(2)(source_data_, source_stride_,
                                      refs, reference_stride_,
                                      results));
  }

  void CheckSADs() {
    unsigned int reference_sad, exp_sad[4];

    SADs(exp_sad);
    for (int block = 0; block < 4; ++block) {
      reference_sad = ReferenceSAD(UINT_MAX, block);

      EXPECT_EQ(reference_sad, exp_sad[block]) << "block " << block;
    }
  }
};

#if CONFIG_VP8_ENCODER
class SADTest
    : public SADTestBase,
      public ::testing::WithParamInterface<sad_m_by_n_test_param_t> {
 public:
  SADTest() : SADTestBase(GET_PARAM(0), GET_PARAM(1)) {}

 protected:
  unsigned int SAD(unsigned int max_sad, int block_idx) {
    unsigned int ret;
    const uint8_t* const reference = GetReference(block_idx);

    REGISTER_STATE_CHECK(ret = GET_PARAM(2)(source_data_, source_stride_,
                                            reference, reference_stride_,
                                            max_sad));
    return ret;
  }

  void CheckSAD(unsigned int max_sad) {
    const unsigned int reference_sad = ReferenceSAD(max_sad, 0);
    const unsigned int exp_sad = SAD(max_sad, 0);

    if (reference_sad <= max_sad) {
      ASSERT_EQ(exp_sad, reference_sad);
    } else {
      // Alternative implementations are not required to check max_sad
      ASSERT_GE(exp_sad, reference_sad);
    }
  }
};
#endif  // CONFIG_VP8_ENCODER

#if CONFIG_VP9_ENCODER
class SADVP9Test
    : public SADTestBase,
      public ::testing::WithParamInterface<sad_m_by_n_test_param_vp9_t> {
 public:
  SADVP9Test() : SADTestBase(GET_PARAM(0), GET_PARAM(1)) {}

 protected:
  unsigned int SAD(int block_idx) {
    unsigned int ret;
    const uint8_t* const reference = GetReference(block_idx);

    REGISTER_STATE_CHECK(ret = GET_PARAM(2)(source_data_, source_stride_,
                                            reference, reference_stride_));
    return ret;
  }

  void CheckSAD() {
    const unsigned int reference_sad = ReferenceSAD(UINT_MAX, 0);
    const unsigned int exp_sad = SAD(0);

    ASSERT_EQ(reference_sad, exp_sad);
  }
};
#endif  // CONFIG_VP9_ENCODER

uint8_t* SADTestBase::source_data_ = NULL;
uint8_t* SADTestBase::reference_data_ = NULL;

#if CONFIG_VP8_ENCODER
TEST_P(SADTest, MaxRef) {
  FillConstant(source_data_, source_stride_, 0);
  FillConstant(reference_data_, reference_stride_, 255);
  CheckSAD(UINT_MAX);
}

TEST_P(SADTest, MaxSrc) {
  FillConstant(source_data_, source_stride_, 255);
  FillConstant(reference_data_, reference_stride_, 0);
  CheckSAD(UINT_MAX);
}

TEST_P(SADTest, ShortRef) {
  int tmp_stride = reference_stride_;
  reference_stride_ >>= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(reference_data_, reference_stride_);
  CheckSAD(UINT_MAX);
  reference_stride_ = tmp_stride;
}

TEST_P(SADTest, UnalignedRef) {
  // The reference frame, but not the source frame, may be unaligned for
  // certain types of searches.
  const int tmp_stride = reference_stride_;
  reference_stride_ -= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(reference_data_, reference_stride_);
  CheckSAD(UINT_MAX);
  reference_stride_ = tmp_stride;
}

TEST_P(SADTest, ShortSrc) {
  const int tmp_stride = source_stride_;
  source_stride_ >>= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(reference_data_, reference_stride_);
  CheckSAD(UINT_MAX);
  source_stride_ = tmp_stride;
}

TEST_P(SADTest, MaxSAD) {
  // Verify that, when max_sad is set, the implementation does not return a
  // value lower than the reference.
  FillConstant(source_data_, source_stride_, 255);
  FillConstant(reference_data_, reference_stride_, 0);
  CheckSAD(128);
}
#endif  // CONFIG_VP8_ENCODER

#if CONFIG_VP9_ENCODER
TEST_P(SADVP9Test, MaxRef) {
  FillConstant(source_data_, source_stride_, 0);
  FillConstant(reference_data_, reference_stride_, 255);
  CheckSAD();
}

TEST_P(SADVP9Test, MaxSrc) {
  FillConstant(source_data_, source_stride_, 255);
  FillConstant(reference_data_, reference_stride_, 0);
  CheckSAD();
}

TEST_P(SADVP9Test, ShortRef) {
  const int tmp_stride = reference_stride_;
  reference_stride_ >>= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(reference_data_, reference_stride_);
  CheckSAD();
  reference_stride_ = tmp_stride;
}

TEST_P(SADVP9Test, UnalignedRef) {
  // The reference frame, but not the source frame, may be unaligned for
  // certain types of searches.
  const int tmp_stride = reference_stride_;
  reference_stride_ -= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(reference_data_, reference_stride_);
  CheckSAD();
  reference_stride_ = tmp_stride;
}

TEST_P(SADVP9Test, ShortSrc) {
  const int tmp_stride = source_stride_;
  source_stride_ >>= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(reference_data_, reference_stride_);
  CheckSAD();
  source_stride_ = tmp_stride;
}
#endif  // CONFIG_VP9_ENCODER

TEST_P(SADx4Test, MaxRef) {
  FillConstant(source_data_, source_stride_, 0);
  FillConstant(GetReference(0), reference_stride_, 255);
  FillConstant(GetReference(1), reference_stride_, 255);
  FillConstant(GetReference(2), reference_stride_, 255);
  FillConstant(GetReference(3), reference_stride_, 255);
  CheckSADs();
}

TEST_P(SADx4Test, MaxSrc) {
  FillConstant(source_data_, source_stride_, 255);
  FillConstant(GetReference(0), reference_stride_, 0);
  FillConstant(GetReference(1), reference_stride_, 0);
  FillConstant(GetReference(2), reference_stride_, 0);
  FillConstant(GetReference(3), reference_stride_, 0);
  CheckSADs();
}

TEST_P(SADx4Test, ShortRef) {
  int tmp_stride = reference_stride_;
  reference_stride_ >>= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(GetReference(0), reference_stride_);
  FillRandom(GetReference(1), reference_stride_);
  FillRandom(GetReference(2), reference_stride_);
  FillRandom(GetReference(3), reference_stride_);
  CheckSADs();
  reference_stride_ = tmp_stride;
}

TEST_P(SADx4Test, UnalignedRef) {
  // The reference frame, but not the source frame, may be unaligned for
  // certain types of searches.
  int tmp_stride = reference_stride_;
  reference_stride_ -= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(GetReference(0), reference_stride_);
  FillRandom(GetReference(1), reference_stride_);
  FillRandom(GetReference(2), reference_stride_);
  FillRandom(GetReference(3), reference_stride_);
  CheckSADs();
  reference_stride_ = tmp_stride;
}

TEST_P(SADx4Test, ShortSrc) {
  int tmp_stride = source_stride_;
  source_stride_ >>= 1;
  FillRandom(source_data_, source_stride_);
  FillRandom(GetReference(0), reference_stride_);
  FillRandom(GetReference(1), reference_stride_);
  FillRandom(GetReference(2), reference_stride_);
  FillRandom(GetReference(3), reference_stride_);
  CheckSADs();
  source_stride_ = tmp_stride;
}

using std::tr1::make_tuple;

//------------------------------------------------------------------------------
// C functions
#if CONFIG_VP8_ENCODER
const sad_m_by_n_fn_t sad_16x16_c = vp8_sad16x16_c;
const sad_m_by_n_fn_t sad_8x16_c = vp8_sad8x16_c;
const sad_m_by_n_fn_t sad_16x8_c = vp8_sad16x8_c;
const sad_m_by_n_fn_t sad_8x8_c = vp8_sad8x8_c;
const sad_m_by_n_fn_t sad_4x4_c = vp8_sad4x4_c;
const sad_m_by_n_test_param_t c_tests[] = {
  make_tuple(16, 16, sad_16x16_c),
  make_tuple(8, 16, sad_8x16_c),
  make_tuple(16, 8, sad_16x8_c),
  make_tuple(8, 8, sad_8x8_c),
  make_tuple(4, 4, sad_4x4_c),
};
INSTANTIATE_TEST_CASE_P(C, SADTest, ::testing::ValuesIn(c_tests));
#endif  // CONFIG_VP8_ENCODER

#if CONFIG_VP9_ENCODER
const sad_m_by_n_fn_vp9_t sad_64x64_c_vp9 = vp9_sad64x64_c;
const sad_m_by_n_fn_vp9_t sad_32x32_c_vp9 = vp9_sad32x32_c;
const sad_m_by_n_fn_vp9_t sad_16x16_c_vp9 = vp9_sad16x16_c;
const sad_m_by_n_fn_vp9_t sad_8x16_c_vp9 = vp9_sad8x16_c;
const sad_m_by_n_fn_vp9_t sad_16x8_c_vp9 = vp9_sad16x8_c;
const sad_m_by_n_fn_vp9_t sad_8x8_c_vp9 = vp9_sad8x8_c;
const sad_m_by_n_fn_vp9_t sad_8x4_c_vp9 = vp9_sad8x4_c;
const sad_m_by_n_fn_vp9_t sad_4x8_c_vp9 = vp9_sad4x8_c;
const sad_m_by_n_fn_vp9_t sad_4x4_c_vp9 = vp9_sad4x4_c;
const sad_m_by_n_test_param_vp9_t c_vp9_tests[] = {
  make_tuple(64, 64, sad_64x64_c_vp9),
  make_tuple(32, 32, sad_32x32_c_vp9),
  make_tuple(16, 16, sad_16x16_c_vp9),
  make_tuple(8, 16, sad_8x16_c_vp9),
  make_tuple(16, 8, sad_16x8_c_vp9),
  make_tuple(8, 8, sad_8x8_c_vp9),
  make_tuple(8, 4, sad_8x4_c_vp9),
  make_tuple(4, 8, sad_4x8_c_vp9),
  make_tuple(4, 4, sad_4x4_c_vp9),
};
INSTANTIATE_TEST_CASE_P(C, SADVP9Test, ::testing::ValuesIn(c_vp9_tests));

const sad_n_by_n_by_4_fn_t sad_64x64x4d_c = vp9_sad64x64x4d_c;
const sad_n_by_n_by_4_fn_t sad_64x32x4d_c = vp9_sad64x32x4d_c;
const sad_n_by_n_by_4_fn_t sad_32x64x4d_c = vp9_sad32x64x4d_c;
const sad_n_by_n_by_4_fn_t sad_32x32x4d_c = vp9_sad32x32x4d_c;
const sad_n_by_n_by_4_fn_t sad_32x16x4d_c = vp9_sad32x16x4d_c;
const sad_n_by_n_by_4_fn_t sad_16x32x4d_c = vp9_sad16x32x4d_c;
const sad_n_by_n_by_4_fn_t sad_16x16x4d_c = vp9_sad16x16x4d_c;
const sad_n_by_n_by_4_fn_t sad_16x8x4d_c = vp9_sad16x8x4d_c;
const sad_n_by_n_by_4_fn_t sad_8x16x4d_c = vp9_sad8x16x4d_c;
const sad_n_by_n_by_4_fn_t sad_8x8x4d_c = vp9_sad8x8x4d_c;
const sad_n_by_n_by_4_fn_t sad_8x4x4d_c = vp9_sad8x4x4d_c;
const sad_n_by_n_by_4_fn_t sad_4x8x4d_c = vp9_sad4x8x4d_c;
const sad_n_by_n_by_4_fn_t sad_4x4x4d_c = vp9_sad4x4x4d_c;
INSTANTIATE_TEST_CASE_P(C, SADx4Test, ::testing::Values(
                        make_tuple(64, 64, sad_64x64x4d_c),
                        make_tuple(64, 32, sad_64x32x4d_c),
                        make_tuple(32, 64, sad_32x64x4d_c),
                        make_tuple(32, 32, sad_32x32x4d_c),
                        make_tuple(32, 16, sad_32x16x4d_c),
                        make_tuple(16, 32, sad_16x32x4d_c),
                        make_tuple(16, 16, sad_16x16x4d_c),
                        make_tuple(16, 8, sad_16x8x4d_c),
                        make_tuple(8, 16, sad_8x16x4d_c),
                        make_tuple(8, 8, sad_8x8x4d_c),
                        make_tuple(8, 4, sad_8x4x4d_c),
                        make_tuple(4, 8, sad_4x8x4d_c),
                        make_tuple(4, 4, sad_4x4x4d_c)));
#endif  // CONFIG_VP9_ENCODER

//------------------------------------------------------------------------------
// ARM functions
#if HAVE_MEDIA
#if CONFIG_VP8_ENCODER
const sad_m_by_n_fn_t sad_16x16_armv6 = vp8_sad16x16_armv6;
INSTANTIATE_TEST_CASE_P(MEDIA, SADTest, ::testing::Values(
                        make_tuple(16, 16, sad_16x16_armv6)));
#endif  // CONFIG_VP8_ENCODER
#endif  // HAVE_MEDIA

#if HAVE_NEON
#if CONFIG_VP8_ENCODER
const sad_m_by_n_fn_t sad_16x16_neon = vp8_sad16x16_neon;
const sad_m_by_n_fn_t sad_8x16_neon = vp8_sad8x16_neon;
const sad_m_by_n_fn_t sad_16x8_neon = vp8_sad16x8_neon;
const sad_m_by_n_fn_t sad_8x8_neon = vp8_sad8x8_neon;
const sad_m_by_n_fn_t sad_4x4_neon = vp8_sad4x4_neon;
INSTANTIATE_TEST_CASE_P(NEON, SADTest, ::testing::Values(
                        make_tuple(16, 16, sad_16x16_neon),
                        make_tuple(8, 16, sad_8x16_neon),
                        make_tuple(16, 8, sad_16x8_neon),
                        make_tuple(8, 8, sad_8x8_neon),
                        make_tuple(4, 4, sad_4x4_neon)));
#endif  // CONFIG_VP8_ENCODER
#endif  // HAVE_NEON

//------------------------------------------------------------------------------
// x86 functions
#if HAVE_MMX
#if CONFIG_VP8_ENCODER
const sad_m_by_n_fn_t sad_16x16_mmx = vp8_sad16x16_mmx;
const sad_m_by_n_fn_t sad_8x16_mmx = vp8_sad8x16_mmx;
const sad_m_by_n_fn_t sad_16x8_mmx = vp8_sad16x8_mmx;
const sad_m_by_n_fn_t sad_8x8_mmx = vp8_sad8x8_mmx;
const sad_m_by_n_fn_t sad_4x4_mmx = vp8_sad4x4_mmx;
const sad_m_by_n_test_param_t mmx_tests[] = {
  make_tuple(16, 16, sad_16x16_mmx),
  make_tuple(8, 16, sad_8x16_mmx),
  make_tuple(16, 8, sad_16x8_mmx),
  make_tuple(8, 8, sad_8x8_mmx),
  make_tuple(4, 4, sad_4x4_mmx),
};
INSTANTIATE_TEST_CASE_P(MMX, SADTest, ::testing::ValuesIn(mmx_tests));
#endif  // CONFIG_VP8_ENCODER

#if CONFIG_VP9_ENCODER
const sad_m_by_n_fn_vp9_t sad_16x16_mmx_vp9 = vp9_sad16x16_mmx;
const sad_m_by_n_fn_vp9_t sad_8x16_mmx_vp9 = vp9_sad8x16_mmx;
const sad_m_by_n_fn_vp9_t sad_16x8_mmx_vp9 = vp9_sad16x8_mmx;
const sad_m_by_n_fn_vp9_t sad_8x8_mmx_vp9 = vp9_sad8x8_mmx;
const sad_m_by_n_fn_vp9_t sad_4x4_mmx_vp9 = vp9_sad4x4_mmx;
const sad_m_by_n_test_param_vp9_t mmx_vp9_tests[] = {
  make_tuple(16, 16, sad_16x16_mmx_vp9),
  make_tuple(8, 16, sad_8x16_mmx_vp9),
  make_tuple(16, 8, sad_16x8_mmx_vp9),
  make_tuple(8, 8, sad_8x8_mmx_vp9),
  make_tuple(4, 4, sad_4x4_mmx_vp9),
};
INSTANTIATE_TEST_CASE_P(MMX, SADVP9Test, ::testing::ValuesIn(mmx_vp9_tests));
#endif  // CONFIG_VP9_ENCODER
#endif  // HAVE_MMX

#if HAVE_SSE
#if CONFIG_VP9_ENCODER
#if CONFIG_USE_X86INC
const sad_m_by_n_fn_vp9_t sad_4x4_sse_vp9 = vp9_sad4x4_sse;
const sad_m_by_n_fn_vp9_t sad_4x8_sse_vp9 = vp9_sad4x8_sse;
INSTANTIATE_TEST_CASE_P(SSE, SADVP9Test, ::testing::Values(
                        make_tuple(4, 4, sad_4x4_sse_vp9),
                        make_tuple(4, 8, sad_4x8_sse_vp9)));

const sad_n_by_n_by_4_fn_t sad_4x8x4d_sse = vp9_sad4x8x4d_sse;
const sad_n_by_n_by_4_fn_t sad_4x4x4d_sse = vp9_sad4x4x4d_sse;
INSTANTIATE_TEST_CASE_P(SSE, SADx4Test, ::testing::Values(
                        make_tuple(4, 8, sad_4x8x4d_sse),
                        make_tuple(4, 4, sad_4x4x4d_sse)));
#endif  // CONFIG_USE_X86INC
#endif  // CONFIG_VP9_ENCODER
#endif  // HAVE_SSE

#if HAVE_SSE2
#if CONFIG_VP8_ENCODER
const sad_m_by_n_fn_t sad_16x16_wmt = vp8_sad16x16_wmt;
const sad_m_by_n_fn_t sad_8x16_wmt = vp8_sad8x16_wmt;
const sad_m_by_n_fn_t sad_16x8_wmt = vp8_sad16x8_wmt;
const sad_m_by_n_fn_t sad_8x8_wmt = vp8_sad8x8_wmt;
const sad_m_by_n_fn_t sad_4x4_wmt = vp8_sad4x4_wmt;
const sad_m_by_n_test_param_t sse2_tests[] = {
  make_tuple(16, 16, sad_16x16_wmt),
  make_tuple(8, 16, sad_8x16_wmt),
  make_tuple(16, 8, sad_16x8_wmt),
  make_tuple(8, 8, sad_8x8_wmt),
  make_tuple(4, 4, sad_4x4_wmt),
};
INSTANTIATE_TEST_CASE_P(SSE2, SADTest, ::testing::ValuesIn(sse2_tests));
#endif  // CONFIG_VP8_ENCODER

#if CONFIG_VP9_ENCODER
#if CONFIG_USE_X86INC
const sad_m_by_n_fn_vp9_t sad_64x64_sse2_vp9 = vp9_sad64x64_sse2;
const sad_m_by_n_fn_vp9_t sad_64x32_sse2_vp9 = vp9_sad64x32_sse2;
const sad_m_by_n_fn_vp9_t sad_32x64_sse2_vp9 = vp9_sad32x64_sse2;
const sad_m_by_n_fn_vp9_t sad_32x32_sse2_vp9 = vp9_sad32x32_sse2;
const sad_m_by_n_fn_vp9_t sad_32x16_sse2_vp9 = vp9_sad32x16_sse2;
const sad_m_by_n_fn_vp9_t sad_16x32_sse2_vp9 = vp9_sad16x32_sse2;
const sad_m_by_n_fn_vp9_t sad_16x16_sse2_vp9 = vp9_sad16x16_sse2;
const sad_m_by_n_fn_vp9_t sad_16x8_sse2_vp9 = vp9_sad16x8_sse2;
const sad_m_by_n_fn_vp9_t sad_8x16_sse2_vp9 = vp9_sad8x16_sse2;
const sad_m_by_n_fn_vp9_t sad_8x8_sse2_vp9 = vp9_sad8x8_sse2;
const sad_m_by_n_fn_vp9_t sad_8x4_sse2_vp9 = vp9_sad8x4_sse2;
const sad_m_by_n_test_param_vp9_t sse2_vp9_tests[] = {
  make_tuple(64, 64, sad_64x64_sse2_vp9),
  make_tuple(64, 32, sad_64x32_sse2_vp9),
  make_tuple(32, 64, sad_32x64_sse2_vp9),
  make_tuple(32, 32, sad_32x32_sse2_vp9),
  make_tuple(32, 16, sad_32x16_sse2_vp9),
  make_tuple(16, 32, sad_16x32_sse2_vp9),
  make_tuple(16, 16, sad_16x16_sse2_vp9),
  make_tuple(16, 8, sad_16x8_sse2_vp9),
  make_tuple(8, 16, sad_8x16_sse2_vp9),
  make_tuple(8, 8, sad_8x8_sse2_vp9),
  make_tuple(8, 4, sad_8x4_sse2_vp9),
};
INSTANTIATE_TEST_CASE_P(SSE2, SADVP9Test, ::testing::ValuesIn(sse2_vp9_tests));

const sad_n_by_n_by_4_fn_t sad_64x64x4d_sse2 = vp9_sad64x64x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_64x32x4d_sse2 = vp9_sad64x32x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_32x64x4d_sse2 = vp9_sad32x64x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_32x32x4d_sse2 = vp9_sad32x32x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_32x16x4d_sse2 = vp9_sad32x16x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_16x32x4d_sse2 = vp9_sad16x32x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_16x16x4d_sse2 = vp9_sad16x16x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_16x8x4d_sse2 = vp9_sad16x8x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_8x16x4d_sse2 = vp9_sad8x16x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_8x8x4d_sse2 = vp9_sad8x8x4d_sse2;
const sad_n_by_n_by_4_fn_t sad_8x4x4d_sse2 = vp9_sad8x4x4d_sse2;
INSTANTIATE_TEST_CASE_P(SSE2, SADx4Test, ::testing::Values(
                        make_tuple(64, 64, sad_64x64x4d_sse2),
                        make_tuple(64, 32, sad_64x32x4d_sse2),
                        make_tuple(32, 64, sad_32x64x4d_sse2),
                        make_tuple(32, 32, sad_32x32x4d_sse2),
                        make_tuple(32, 16, sad_32x16x4d_sse2),
                        make_tuple(16, 32, sad_16x32x4d_sse2),
                        make_tuple(16, 16, sad_16x16x4d_sse2),
                        make_tuple(16, 8, sad_16x8x4d_sse2),
                        make_tuple(8, 16, sad_8x16x4d_sse2),
                        make_tuple(8, 8, sad_8x8x4d_sse2),
                        make_tuple(8, 4, sad_8x4x4d_sse2)));
#endif  // CONFIG_USE_X86INC
#endif  // CONFIG_VP9_ENCODER
#endif  // HAVE_SSE2

#if HAVE_SSE3
#if CONFIG_VP8_ENCODER
const sad_n_by_n_by_4_fn_t sad_16x16x4d_sse3 = vp8_sad16x16x4d_sse3;
const sad_n_by_n_by_4_fn_t sad_16x8x4d_sse3 = vp8_sad16x8x4d_sse3;
const sad_n_by_n_by_4_fn_t sad_8x16x4d_sse3 = vp8_sad8x16x4d_sse3;
const sad_n_by_n_by_4_fn_t sad_8x8x4d_sse3 = vp8_sad8x8x4d_sse3;
const sad_n_by_n_by_4_fn_t sad_4x4x4d_sse3 = vp8_sad4x4x4d_sse3;
INSTANTIATE_TEST_CASE_P(SSE3, SADx4Test, ::testing::Values(
                        make_tuple(16, 16, sad_16x16x4d_sse3),
                        make_tuple(16, 8, sad_16x8x4d_sse3),
                        make_tuple(8, 16, sad_8x16x4d_sse3),
                        make_tuple(8, 8, sad_8x8x4d_sse3),
                        make_tuple(4, 4, sad_4x4x4d_sse3)));
#endif  // CONFIG_VP8_ENCODER
#endif  // HAVE_SSE3

#if HAVE_SSSE3
#if CONFIG_USE_X86INC
#if CONFIG_VP8_ENCODER
const sad_m_by_n_fn_t sad_16x16_sse3 = vp8_sad16x16_sse3;
INSTANTIATE_TEST_CASE_P(SSE3, SADTest, ::testing::Values(
                        make_tuple(16, 16, sad_16x16_sse3)));
#endif  // CONFIG_VP8_ENCODER
#endif  // CONFIG_USE_X86INC
#endif  // HAVE_SSSE3

#if HAVE_AVX2
#if CONFIG_VP9_ENCODER
// TODO(jzern): these prototypes can be removed after the avx2 versions are
// reenabled in vp9_rtcd_defs.pl.
extern "C" {
void vp9_sad32x32x4d_avx2(const uint8_t *src_ptr, int src_stride,
                          const uint8_t *const ref_ptr[], int ref_stride,
                          unsigned int *sad_array);
void vp9_sad64x64x4d_avx2(const uint8_t *src_ptr, int src_stride,
                          const uint8_t *const ref_ptr[], int ref_stride,
                          unsigned int *sad_array);
}
const sad_n_by_n_by_4_fn_t sad_64x64x4d_avx2 = vp9_sad64x64x4d_avx2;
const sad_n_by_n_by_4_fn_t sad_32x32x4d_avx2 = vp9_sad32x32x4d_avx2;
INSTANTIATE_TEST_CASE_P(DISABLED_AVX2, SADx4Test, ::testing::Values(
                        make_tuple(32, 32, sad_32x32x4d_avx2),
                        make_tuple(64, 64, sad_64x64x4d_avx2)));
#endif  // CONFIG_VP9_ENCODER
#endif  // HAVE_AVX2

}  // namespace