test/blend_a64_mask_1d_test.cc - aom - Git at Google

 /*
  * 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 <math.h>
 #include <stdlib.h>
 #include <string.h>

 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
 #include "test/register_state_check.h"
 #include "test/function_equivalence_test.h"

 #include "./aom_config.h"
 #include "./aom_dsp_rtcd.h"
 #include "aom/aom_integer.h"

 #include "./av1_rtcd.h"

 #include "av1/common/enums.h"

 #include "aom_dsp/blend.h"

 using libaom_test::FunctionEquivalenceTest;

 namespace {

 template <typename F, typename T>
 class BlendA64Mask1DTest : public FunctionEquivalenceTest<F> {
  public:
   static const int kIterations = 10000;
   static const int kMaxWidth = MAX_SB_SIZE * 5;  // * 5 to cover longer strides
   static const int kMaxHeight = MAX_SB_SIZE;
   static const int kBufSize = kMaxWidth * kMaxHeight;
   static const int kMaxMaskWidth = 2 * MAX_SB_SIZE;
   static const int kMaxMaskSize = kMaxMaskWidth;

   virtual ~BlendA64Mask1DTest() {}

   virtual void Execute(const T *p_src0, const T *p_src1) = 0;

   void Common() {
     w_ = 1 << this->rng_(MAX_SB_SIZE_LOG2 + 1);
     h_ = 1 << this->rng_(MAX_SB_SIZE_LOG2 + 1);

     dst_offset_ = this->rng_(33);
     dst_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;

     src0_offset_ = this->rng_(33);
     src0_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;

     src1_offset_ = this->rng_(33);
     src1_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;

     T *p_src0;
     T *p_src1;

     switch (this->rng_(3)) {
       case 0:  // Separate sources
         p_src0 = src0_;
         p_src1 = src1_;
         break;
       case 1:  // src0 == dst
         p_src0 = dst_tst_;
         src0_stride_ = dst_stride_;
         src0_offset_ = dst_offset_;
         p_src1 = src1_;
         break;
       case 2:  // src1 == dst
         p_src0 = src0_;
         p_src1 = dst_tst_;
         src1_stride_ = dst_stride_;
         src1_offset_ = dst_offset_;
         break;
       default: FAIL();
     }

     Execute(p_src0, p_src1);

     for (int r = 0; r < h_; ++r) {
       for (int c = 0; c < w_; ++c) {
         ASSERT_EQ(dst_ref_[dst_offset_ + r * dst_stride_ + c],
                   dst_tst_[dst_offset_ + r * dst_stride_ + c]);
       }
     }
   }

   T dst_ref_[kBufSize];
   T dst_tst_[kBufSize];
   uint32_t dst_stride_;
   uint32_t dst_offset_;

   T src0_[kBufSize];
   uint32_t src0_stride_;
   uint32_t src0_offset_;

   T src1_[kBufSize];
   uint32_t src1_stride_;
   uint32_t src1_offset_;

   uint8_t mask_[kMaxMaskSize];

   int w_;
   int h_;
 };

 //////////////////////////////////////////////////////////////////////////////
 // 8 bit version
 //////////////////////////////////////////////////////////////////////////////

 typedef void (*F8B)(uint8_t *dst, uint32_t dst_stride, const uint8_t *src0,
                     uint32_t src0_stride, const uint8_t *src1,
                     uint32_t src1_stride, const uint8_t *mask, int h, int w);
 typedef libaom_test::FuncParam<F8B> TestFuncs;

 class BlendA64Mask1DTest8B : public BlendA64Mask1DTest<F8B, uint8_t> {
  protected:
   void Execute(const uint8_t *p_src0, const uint8_t *p_src1) {
     params_.ref_func(dst_ref_ + dst_offset_, dst_stride_, p_src0 + src0_offset_,
                      src0_stride_, p_src1 + src1_offset_, src1_stride_, mask_,
                      h_, w_);
     ASM_REGISTER_STATE_CHECK(params_.tst_func(
         dst_tst_ + dst_offset_, dst_stride_, p_src0 + src0_offset_,
         src0_stride_, p_src1 + src1_offset_, src1_stride_, mask_, h_, w_));
   }
 };

 TEST_P(BlendA64Mask1DTest8B, RandomValues) {
   for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
     for (int i = 0; i < kBufSize; ++i) {
       dst_ref_[i] = rng_.Rand8();
       dst_tst_[i] = rng_.Rand8();

       src0_[i] = rng_.Rand8();
       src1_[i] = rng_.Rand8();
     }

     for (int i = 0; i < kMaxMaskSize; ++i)
       mask_[i] = rng_(AOM_BLEND_A64_MAX_ALPHA + 1);

     Common();
   }
 }

 TEST_P(BlendA64Mask1DTest8B, ExtremeValues) {
   for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
     for (int i = 0; i < kBufSize; ++i) {
       dst_ref_[i] = rng_(2) + 254;
       dst_tst_[i] = rng_(2) + 254;
       src0_[i] = rng_(2) + 254;
       src1_[i] = rng_(2) + 254;
     }

     for (int i = 0; i < kMaxMaskSize; ++i)
       mask_[i] = rng_(2) + AOM_BLEND_A64_MAX_ALPHA - 1;

     Common();
   }
 }

 static void blend_a64_hmask_ref(uint8_t *dst, uint32_t dst_stride,
                                 const uint8_t *src0, uint32_t src0_stride,
                                 const uint8_t *src1, uint32_t src1_stride,
                                 const uint8_t *mask, int h, int w) {
   uint8_t mask2d[BlendA64Mask1DTest8B::kMaxMaskSize]
                 [BlendA64Mask1DTest8B::kMaxMaskSize];

   for (int row = 0; row < h; ++row)
     for (int col = 0; col < w; ++col) mask2d[row][col] = mask[col];

   aom_blend_a64_mask_c(dst, dst_stride, src0, src0_stride, src1, src1_stride,
                        &mask2d[0][0], BlendA64Mask1DTest8B::kMaxMaskSize, h, w,
                        0, 0);
 }

 static void blend_a64_vmask_ref(uint8_t *dst, uint32_t dst_stride,
                                 const uint8_t *src0, uint32_t src0_stride,
                                 const uint8_t *src1, uint32_t src1_stride,
                                 const uint8_t *mask, int h, int w) {
   uint8_t mask2d[BlendA64Mask1DTest8B::kMaxMaskSize]
                 [BlendA64Mask1DTest8B::kMaxMaskSize];

   for (int row = 0; row < h; ++row)
     for (int col = 0; col < w; ++col) mask2d[row][col] = mask[row];

   aom_blend_a64_mask_c(dst, dst_stride, src0, src0_stride, src1, src1_stride,
                        &mask2d[0][0], BlendA64Mask1DTest8B::kMaxMaskSize, h, w,
                        0, 0);
 }

 INSTANTIATE_TEST_CASE_P(
     C, BlendA64Mask1DTest8B,
     ::testing::Values(TestFuncs(blend_a64_hmask_ref, aom_blend_a64_hmask_c),
                       TestFuncs(blend_a64_vmask_ref, aom_blend_a64_vmask_c)));

 #if HAVE_SSE4_1
 INSTANTIATE_TEST_CASE_P(
     SSE4_1, BlendA64Mask1DTest8B,
     ::testing::Values(
         TestFuncs(blend_a64_hmask_ref, aom_blend_a64_hmask_sse4_1),
         TestFuncs(blend_a64_vmask_ref, aom_blend_a64_vmask_sse4_1)));
 #endif  // HAVE_SSE4_1

 #if CONFIG_HIGHBITDEPTH
 //////////////////////////////////////////////////////////////////////////////
 // High bit-depth version
 //////////////////////////////////////////////////////////////////////////////

 typedef void (*FHBD)(uint8_t *dst, uint32_t dst_stride, const uint8_t *src0,
                      uint32_t src0_stride, const uint8_t *src1,
                      uint32_t src1_stride, const uint8_t *mask, int h, int w,
                      int bd);
 typedef libaom_test::FuncParam<FHBD> TestFuncsHBD;

 class BlendA64Mask1DTestHBD : public BlendA64Mask1DTest<FHBD, uint16_t> {
  protected:
   void Execute(const uint16_t *p_src0, const uint16_t *p_src1) {
     params_.ref_func(CONVERT_TO_BYTEPTR(dst_ref_ + dst_offset_), dst_stride_,
                      CONVERT_TO_BYTEPTR(p_src0 + src0_offset_), src0_stride_,
                      CONVERT_TO_BYTEPTR(p_src1 + src1_offset_), src1_stride_,
                      mask_, h_, w_, bit_depth_);
     ASM_REGISTER_STATE_CHECK(params_.tst_func(
         CONVERT_TO_BYTEPTR(dst_tst_ + dst_offset_), dst_stride_,
         CONVERT_TO_BYTEPTR(p_src0 + src0_offset_), src0_stride_,
         CONVERT_TO_BYTEPTR(p_src1 + src1_offset_), src1_stride_, mask_, h_, w_,
         bit_depth_));
   }

   int bit_depth_;
 };

 TEST_P(BlendA64Mask1DTestHBD, RandomValues) {
   for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
     switch (rng_(3)) {
       case 0: bit_depth_ = 8; break;
       case 1: bit_depth_ = 10; break;
       default: bit_depth_ = 12; break;
     }

     const int hi = 1 << bit_depth_;

     for (int i = 0; i < kBufSize; ++i) {
       dst_ref_[i] = rng_(hi);
       dst_tst_[i] = rng_(hi);
       src0_[i] = rng_(hi);
       src1_[i] = rng_(hi);
     }

     for (int i = 0; i < kMaxMaskSize; ++i)
       mask_[i] = rng_(AOM_BLEND_A64_MAX_ALPHA + 1);

     Common();
   }
 }

 TEST_P(BlendA64Mask1DTestHBD, ExtremeValues) {
   for (int iter = 0; iter < 1000 && !HasFatalFailure(); ++iter) {
     switch (rng_(3)) {
       case 0: bit_depth_ = 8; break;
       case 1: bit_depth_ = 10; break;
       default: bit_depth_ = 12; break;
     }

     const int hi = 1 << bit_depth_;
     const int lo = hi - 2;

     for (int i = 0; i < kBufSize; ++i) {
       dst_ref_[i] = rng_(hi - lo) + lo;
       dst_tst_[i] = rng_(hi - lo) + lo;
       src0_[i] = rng_(hi - lo) + lo;
       src1_[i] = rng_(hi - lo) + lo;
     }

     for (int i = 0; i < kMaxMaskSize; ++i)
       mask_[i] = rng_(2) + AOM_BLEND_A64_MAX_ALPHA - 1;

     Common();
   }
 }

 static void highbd_blend_a64_hmask_ref(
     uint8_t *dst, uint32_t dst_stride, const uint8_t *src0,
     uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride,
     const uint8_t *mask, int h, int w, int bd) {
   uint8_t mask2d[BlendA64Mask1DTestHBD::kMaxMaskSize]
                 [BlendA64Mask1DTestHBD::kMaxMaskSize];

   for (int row = 0; row < h; ++row)
     for (int col = 0; col < w; ++col) mask2d[row][col] = mask[col];

   aom_highbd_blend_a64_mask_c(
       dst, dst_stride, src0, src0_stride, src1, src1_stride, &mask2d[0][0],
       BlendA64Mask1DTestHBD::kMaxMaskSize, h, w, 0, 0, bd);
 }

 static void highbd_blend_a64_vmask_ref(
     uint8_t *dst, uint32_t dst_stride, const uint8_t *src0,
     uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride,
     const uint8_t *mask, int h, int w, int bd) {
   uint8_t mask2d[BlendA64Mask1DTestHBD::kMaxMaskSize]
                 [BlendA64Mask1DTestHBD::kMaxMaskSize];

   for (int row = 0; row < h; ++row)
     for (int col = 0; col < w; ++col) mask2d[row][col] = mask[row];

   aom_highbd_blend_a64_mask_c(
       dst, dst_stride, src0, src0_stride, src1, src1_stride, &mask2d[0][0],
       BlendA64Mask1DTestHBD::kMaxMaskSize, h, w, 0, 0, bd);
 }

 INSTANTIATE_TEST_CASE_P(
     C, BlendA64Mask1DTestHBD,
     ::testing::Values(TestFuncsHBD(highbd_blend_a64_hmask_ref,
                                    aom_highbd_blend_a64_hmask_c),
                       TestFuncsHBD(highbd_blend_a64_vmask_ref,
                                    aom_highbd_blend_a64_vmask_c)));

 #if HAVE_SSE4_1
 INSTANTIATE_TEST_CASE_P(
     SSE4_1, BlendA64Mask1DTestHBD,
     ::testing::Values(TestFuncsHBD(highbd_blend_a64_hmask_ref,
                                    aom_highbd_blend_a64_hmask_sse4_1),
                       TestFuncsHBD(highbd_blend_a64_vmask_ref,
                                    aom_highbd_blend_a64_vmask_sse4_1)));
 #endif  // HAVE_SSE4_1

 #endif  // CONFIG_HIGHBITDEPTH
 }  // namespace
	/*
	* 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 <math.h>
	#include <stdlib.h>
	#include <string.h>

	#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
	#include "test/register_state_check.h"
	#include "test/function_equivalence_test.h"

	#include "./aom_config.h"
	#include "./aom_dsp_rtcd.h"
	#include "aom/aom_integer.h"

	#include "./av1_rtcd.h"

	#include "av1/common/enums.h"

	#include "aom_dsp/blend.h"

	using libaom_test::FunctionEquivalenceTest;

	namespace {

	template <typename F, typename T>
	class BlendA64Mask1DTest : public FunctionEquivalenceTest<F> {
	public:
	static const int kIterations = 10000;
	static const int kMaxWidth = MAX_SB_SIZE * 5; // * 5 to cover longer strides
	static const int kMaxHeight = MAX_SB_SIZE;
	static const int kBufSize = kMaxWidth * kMaxHeight;
	static const int kMaxMaskWidth = 2 * MAX_SB_SIZE;
	static const int kMaxMaskSize = kMaxMaskWidth;

	virtual ~BlendA64Mask1DTest() {}

	virtual void Execute(const T p_src0, const T p_src1) = 0;

	void Common() {
	w_ = 1 << this->rng_(MAX_SB_SIZE_LOG2 + 1);
	h_ = 1 << this->rng_(MAX_SB_SIZE_LOG2 + 1);

	dst_offset_ = this->rng_(33);
	dst_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;

	src0_offset_ = this->rng_(33);
	src0_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;

	src1_offset_ = this->rng_(33);
	src1_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;

	T *p_src0;
	T *p_src1;

	switch (this->rng_(3)) {
	case 0: // Separate sources
	p_src0 = src0_;
	p_src1 = src1_;
	break;
	case 1: // src0 == dst
	p_src0 = dst_tst_;
	src0_stride_ = dst_stride_;
	src0_offset_ = dst_offset_;
	p_src1 = src1_;
	break;
	case 2: // src1 == dst
	p_src0 = src0_;
	p_src1 = dst_tst_;
	src1_stride_ = dst_stride_;
	src1_offset_ = dst_offset_;
	break;
	default: FAIL();
	}

	Execute(p_src0, p_src1);

	for (int r = 0; r < h_; ++r) {
	for (int c = 0; c < w_; ++c) {
	ASSERT_EQ(dst_ref_[dst_offset_ + r * dst_stride_ + c],
	dst_tst_[dst_offset_ + r * dst_stride_ + c]);
	}
	}
	}

	T dst_ref_[kBufSize];
	T dst_tst_[kBufSize];
	uint32_t dst_stride_;
	uint32_t dst_offset_;

	T src0_[kBufSize];
	uint32_t src0_stride_;
	uint32_t src0_offset_;

	T src1_[kBufSize];
	uint32_t src1_stride_;
	uint32_t src1_offset_;

	uint8_t mask_[kMaxMaskSize];

	int w_;
	int h_;
	};

	//////////////////////////////////////////////////////////////////////////////
	// 8 bit version
	//////////////////////////////////////////////////////////////////////////////

	typedef void (F8B)(uint8_t dst, uint32_t dst_stride, const uint8_t *src0,
	uint32_t src0_stride, const uint8_t *src1,
	uint32_t src1_stride, const uint8_t *mask, int h, int w);
	typedef libaom_test::FuncParam<F8B> TestFuncs;

	class BlendA64Mask1DTest8B : public BlendA64Mask1DTest<F8B, uint8_t> {
	protected:
	void Execute(const uint8_t p_src0, const uint8_t p_src1) {
	params_.ref_func(dst_ref_ + dst_offset_, dst_stride_, p_src0 + src0_offset_,
	src0_stride_, p_src1 + src1_offset_, src1_stride_, mask_,
	h_, w_);
	ASM_REGISTER_STATE_CHECK(params_.tst_func(
	dst_tst_ + dst_offset_, dst_stride_, p_src0 + src0_offset_,
	src0_stride_, p_src1 + src1_offset_, src1_stride_, mask_, h_, w_));
	}
	};

	TEST_P(BlendA64Mask1DTest8B, RandomValues) {
	for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
	for (int i = 0; i < kBufSize; ++i) {
	dst_ref_[i] = rng_.Rand8();
	dst_tst_[i] = rng_.Rand8();

	src0_[i] = rng_.Rand8();
	src1_[i] = rng_.Rand8();
	}

	for (int i = 0; i < kMaxMaskSize; ++i)
	mask_[i] = rng_(AOM_BLEND_A64_MAX_ALPHA + 1);

	Common();
	}
	}

	TEST_P(BlendA64Mask1DTest8B, ExtremeValues) {
	for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
	for (int i = 0; i < kBufSize; ++i) {
	dst_ref_[i] = rng_(2) + 254;
	dst_tst_[i] = rng_(2) + 254;
	src0_[i] = rng_(2) + 254;
	src1_[i] = rng_(2) + 254;
	}

	for (int i = 0; i < kMaxMaskSize; ++i)
	mask_[i] = rng_(2) + AOM_BLEND_A64_MAX_ALPHA - 1;

	Common();
	}
	}

	static void blend_a64_hmask_ref(uint8_t *dst, uint32_t dst_stride,
	const uint8_t *src0, uint32_t src0_stride,
	const uint8_t *src1, uint32_t src1_stride,
	const uint8_t *mask, int h, int w) {
	uint8_t mask2d[BlendA64Mask1DTest8B::kMaxMaskSize]
	[BlendA64Mask1DTest8B::kMaxMaskSize];

	for (int row = 0; row < h; ++row)
	for (int col = 0; col < w; ++col) mask2d[row][col] = mask[col];

	aom_blend_a64_mask_c(dst, dst_stride, src0, src0_stride, src1, src1_stride,
	&mask2d[0][0], BlendA64Mask1DTest8B::kMaxMaskSize, h, w,
	0, 0);
	}

	static void blend_a64_vmask_ref(uint8_t *dst, uint32_t dst_stride,
	const uint8_t *src0, uint32_t src0_stride,
	const uint8_t *src1, uint32_t src1_stride,
	const uint8_t *mask, int h, int w) {
	uint8_t mask2d[BlendA64Mask1DTest8B::kMaxMaskSize]
	[BlendA64Mask1DTest8B::kMaxMaskSize];

	for (int row = 0; row < h; ++row)
	for (int col = 0; col < w; ++col) mask2d[row][col] = mask[row];

	aom_blend_a64_mask_c(dst, dst_stride, src0, src0_stride, src1, src1_stride,
	&mask2d[0][0], BlendA64Mask1DTest8B::kMaxMaskSize, h, w,
	0, 0);
	}

	INSTANTIATE_TEST_CASE_P(
	C, BlendA64Mask1DTest8B,
	::testing::Values(TestFuncs(blend_a64_hmask_ref, aom_blend_a64_hmask_c),
	TestFuncs(blend_a64_vmask_ref, aom_blend_a64_vmask_c)));

	#if HAVE_SSE4_1
	INSTANTIATE_TEST_CASE_P(
	SSE4_1, BlendA64Mask1DTest8B,
	::testing::Values(
	TestFuncs(blend_a64_hmask_ref, aom_blend_a64_hmask_sse4_1),
	TestFuncs(blend_a64_vmask_ref, aom_blend_a64_vmask_sse4_1)));
	#endif // HAVE_SSE4_1

	#if CONFIG_HIGHBITDEPTH
	//////////////////////////////////////////////////////////////////////////////
	// High bit-depth version
	//////////////////////////////////////////////////////////////////////////////

	typedef void (FHBD)(uint8_t dst, uint32_t dst_stride, const uint8_t *src0,
	uint32_t src0_stride, const uint8_t *src1,
	uint32_t src1_stride, const uint8_t *mask, int h, int w,
	int bd);
	typedef libaom_test::FuncParam<FHBD> TestFuncsHBD;

	class BlendA64Mask1DTestHBD : public BlendA64Mask1DTest<FHBD, uint16_t> {
	protected:
	void Execute(const uint16_t p_src0, const uint16_t p_src1) {
	params_.ref_func(CONVERT_TO_BYTEPTR(dst_ref_ + dst_offset_), dst_stride_,
	CONVERT_TO_BYTEPTR(p_src0 + src0_offset_), src0_stride_,
	CONVERT_TO_BYTEPTR(p_src1 + src1_offset_), src1_stride_,
	mask_, h_, w_, bit_depth_);
	ASM_REGISTER_STATE_CHECK(params_.tst_func(
	CONVERT_TO_BYTEPTR(dst_tst_ + dst_offset_), dst_stride_,
	CONVERT_TO_BYTEPTR(p_src0 + src0_offset_), src0_stride_,
	CONVERT_TO_BYTEPTR(p_src1 + src1_offset_), src1_stride_, mask_, h_, w_,
	bit_depth_));
	}

	int bit_depth_;
	};

	TEST_P(BlendA64Mask1DTestHBD, RandomValues) {
	for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
	switch (rng_(3)) {
	case 0: bit_depth_ = 8; break;
	case 1: bit_depth_ = 10; break;
	default: bit_depth_ = 12; break;
	}

	const int hi = 1 << bit_depth_;

	for (int i = 0; i < kBufSize; ++i) {
	dst_ref_[i] = rng_(hi);
	dst_tst_[i] = rng_(hi);
	src0_[i] = rng_(hi);
	src1_[i] = rng_(hi);
	}

	for (int i = 0; i < kMaxMaskSize; ++i)
	mask_[i] = rng_(AOM_BLEND_A64_MAX_ALPHA + 1);

	Common();
	}
	}

	TEST_P(BlendA64Mask1DTestHBD, ExtremeValues) {
	for (int iter = 0; iter < 1000 && !HasFatalFailure(); ++iter) {
	switch (rng_(3)) {
	case 0: bit_depth_ = 8; break;
	case 1: bit_depth_ = 10; break;
	default: bit_depth_ = 12; break;
	}

	const int hi = 1 << bit_depth_;
	const int lo = hi - 2;

	for (int i = 0; i < kBufSize; ++i) {
	dst_ref_[i] = rng_(hi - lo) + lo;
	dst_tst_[i] = rng_(hi - lo) + lo;
	src0_[i] = rng_(hi - lo) + lo;
	src1_[i] = rng_(hi - lo) + lo;
	}

	for (int i = 0; i < kMaxMaskSize; ++i)
	mask_[i] = rng_(2) + AOM_BLEND_A64_MAX_ALPHA - 1;

	Common();
	}
	}

	static void highbd_blend_a64_hmask_ref(
	uint8_t dst, uint32_t dst_stride, const uint8_t src0,
	uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride,
	const uint8_t *mask, int h, int w, int bd) {
	uint8_t mask2d[BlendA64Mask1DTestHBD::kMaxMaskSize]
	[BlendA64Mask1DTestHBD::kMaxMaskSize];

	for (int row = 0; row < h; ++row)
	for (int col = 0; col < w; ++col) mask2d[row][col] = mask[col];

	aom_highbd_blend_a64_mask_c(
	dst, dst_stride, src0, src0_stride, src1, src1_stride, &mask2d[0][0],
	BlendA64Mask1DTestHBD::kMaxMaskSize, h, w, 0, 0, bd);
	}

	static void highbd_blend_a64_vmask_ref(
	uint8_t dst, uint32_t dst_stride, const uint8_t src0,
	uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride,
	const uint8_t *mask, int h, int w, int bd) {
	uint8_t mask2d[BlendA64Mask1DTestHBD::kMaxMaskSize]
	[BlendA64Mask1DTestHBD::kMaxMaskSize];

	for (int row = 0; row < h; ++row)
	for (int col = 0; col < w; ++col) mask2d[row][col] = mask[row];

	aom_highbd_blend_a64_mask_c(
	dst, dst_stride, src0, src0_stride, src1, src1_stride, &mask2d[0][0],
	BlendA64Mask1DTestHBD::kMaxMaskSize, h, w, 0, 0, bd);
	}

	INSTANTIATE_TEST_CASE_P(
	C, BlendA64Mask1DTestHBD,
	::testing::Values(TestFuncsHBD(highbd_blend_a64_hmask_ref,
	aom_highbd_blend_a64_hmask_c),
	TestFuncsHBD(highbd_blend_a64_vmask_ref,
	aom_highbd_blend_a64_vmask_c)));

	#if HAVE_SSE4_1
	INSTANTIATE_TEST_CASE_P(
	SSE4_1, BlendA64Mask1DTestHBD,
	::testing::Values(TestFuncsHBD(highbd_blend_a64_hmask_ref,
	aom_highbd_blend_a64_hmask_sse4_1),
	TestFuncsHBD(highbd_blend_a64_vmask_ref,
	aom_highbd_blend_a64_vmask_sse4_1)));
	#endif // HAVE_SSE4_1

	#endif // CONFIG_HIGHBITDEPTH
	} // namespace