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/*
* Copyright (c) 2019, Alliance for Open Media. 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 <stdlib.h>
#include <tuple>
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
#include "config/aom_dsp_rtcd.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
namespace {
using libaom_test::ACMRandom;
template <typename Pixel>
class AverageTestBase : public ::testing::Test {
public:
AverageTestBase(int width, int height)
: width_(width), height_(height), source_data_(NULL), source_stride_(0),
bit_depth_(8) {}
virtual void TearDown() {
aom_free(source_data_);
source_data_ = NULL;
libaom_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;
virtual void SetUp() {
source_data_ = static_cast<Pixel *>(
aom_memalign(kDataAlignment, kDataBlockSize * sizeof(source_data_[0])));
ASSERT_TRUE(source_data_ != NULL);
source_stride_ = (width_ + 31) & ~31;
bit_depth_ = 8;
rnd_.Reset(ACMRandom::DeterministicSeed());
}
// Sum Pixels
static unsigned int ReferenceAverage8x8(const Pixel *source, int pitch) {
unsigned int average = 0;
for (int h = 0; h < 8; ++h) {
for (int w = 0; w < 8; ++w) average += source[h * pitch + w];
}
return (average + 32) >> 6;
}
static unsigned int ReferenceAverage4x4(const Pixel *source, int pitch) {
unsigned int average = 0;
for (int h = 0; h < 4; ++h) {
for (int w = 0; w < 4; ++w) average += source[h * pitch + w];
}
return (average + 8) >> 4;
}
void FillConstant(Pixel fill_constant) {
for (int i = 0; i < width_ * height_; ++i) {
source_data_[i] = fill_constant;
}
}
void FillRandom() {
for (int i = 0; i < width_ * height_; ++i) {
source_data_[i] = rnd_.Rand16() & ((1 << bit_depth_) - 1);
}
}
int width_, height_;
Pixel *source_data_;
int source_stride_;
int bit_depth_;
ACMRandom rnd_;
};
typedef unsigned int (*AverageFunction)(const uint8_t *s, int pitch);
// Arguments: width, height, pitch, block size, avg function.
typedef std::tuple<int, int, int, int, AverageFunction> AvgFunc;
class AverageTest : public AverageTestBase<uint8_t>,
public ::testing::WithParamInterface<AvgFunc> {
public:
AverageTest() : AverageTestBase(GET_PARAM(0), GET_PARAM(1)) {}
protected:
void CheckAverages() {
const int block_size = GET_PARAM(3);
unsigned int expected = 0;
if (block_size == 8) {
expected =
ReferenceAverage8x8(source_data_ + GET_PARAM(2), source_stride_);
} else if (block_size == 4) {
expected =
ReferenceAverage4x4(source_data_ + GET_PARAM(2), source_stride_);
}
unsigned int actual;
ASM_REGISTER_STATE_CHECK(
actual = GET_PARAM(4)(source_data_ + GET_PARAM(2), source_stride_));
EXPECT_EQ(expected, actual);
}
};
TEST_P(AverageTest, MinValue) {
FillConstant(0);
CheckAverages();
}
TEST_P(AverageTest, MaxValue) {
FillConstant(255);
CheckAverages();
}
TEST_P(AverageTest, Random) {
// The reference frame, but not the source frame, may be unaligned for
// certain types of searches.
for (int i = 0; i < 1000; i++) {
FillRandom();
CheckAverages();
}
}
typedef void (*IntProRowFunc)(int16_t hbuf[16], uint8_t const *ref,
const int ref_stride, const int height);
// Params: height, asm function, c function.
typedef std::tuple<int, IntProRowFunc, IntProRowFunc> IntProRowParam;
class IntProRowTest : public AverageTestBase<uint8_t>,
public ::testing::WithParamInterface<IntProRowParam> {
public:
IntProRowTest()
: AverageTestBase(16, GET_PARAM(0)), hbuf_asm_(NULL), hbuf_c_(NULL) {
asm_func_ = GET_PARAM(1);
c_func_ = GET_PARAM(2);
}
protected:
virtual void SetUp() {
source_data_ = static_cast<uint8_t *>(
aom_memalign(kDataAlignment, kDataBlockSize * sizeof(source_data_[0])));
ASSERT_TRUE(source_data_ != NULL);
hbuf_asm_ = static_cast<int16_t *>(
aom_memalign(kDataAlignment, sizeof(*hbuf_asm_) * 16));
hbuf_c_ = static_cast<int16_t *>(
aom_memalign(kDataAlignment, sizeof(*hbuf_c_) * 16));
}
virtual void TearDown() {
aom_free(source_data_);
source_data_ = NULL;
aom_free(hbuf_c_);
hbuf_c_ = NULL;
aom_free(hbuf_asm_);
hbuf_asm_ = NULL;
}
void RunComparison() {
ASM_REGISTER_STATE_CHECK(c_func_(hbuf_c_, source_data_, 0, height_));
ASM_REGISTER_STATE_CHECK(asm_func_(hbuf_asm_, source_data_, 0, height_));
EXPECT_EQ(0, memcmp(hbuf_c_, hbuf_asm_, sizeof(*hbuf_c_) * 16))
<< "Output mismatch";
}
private:
IntProRowFunc asm_func_;
IntProRowFunc c_func_;
int16_t *hbuf_asm_;
int16_t *hbuf_c_;
};
typedef int16_t (*IntProColFunc)(uint8_t const *ref, const int width);
// Params: width, asm function, c function.
typedef std::tuple<int, IntProColFunc, IntProColFunc> IntProColParam;
class IntProColTest : public AverageTestBase<uint8_t>,
public ::testing::WithParamInterface<IntProColParam> {
public:
IntProColTest() : AverageTestBase(GET_PARAM(0), 1), sum_asm_(0), sum_c_(0) {
asm_func_ = GET_PARAM(1);
c_func_ = GET_PARAM(2);
}
protected:
void RunComparison() {
ASM_REGISTER_STATE_CHECK(sum_c_ = c_func_(source_data_, width_));
ASM_REGISTER_STATE_CHECK(sum_asm_ = asm_func_(source_data_, width_));
EXPECT_EQ(sum_c_, sum_asm_) << "Output mismatch";
}
private:
IntProColFunc asm_func_;
IntProColFunc c_func_;
int16_t sum_asm_;
int16_t sum_c_;
};
TEST_P(IntProRowTest, MinValue) {
FillConstant(0);
RunComparison();
}
TEST_P(IntProRowTest, MaxValue) {
FillConstant(255);
RunComparison();
}
TEST_P(IntProRowTest, Random) {
FillRandom();
RunComparison();
}
TEST_P(IntProColTest, MinValue) {
FillConstant(0);
RunComparison();
}
TEST_P(IntProColTest, MaxValue) {
FillConstant(255);
RunComparison();
}
TEST_P(IntProColTest, Random) {
FillRandom();
RunComparison();
}
using std::make_tuple;
INSTANTIATE_TEST_SUITE_P(
C, AverageTest,
::testing::Values(make_tuple(16, 16, 1, 8, &aom_avg_8x8_c),
make_tuple(16, 16, 1, 4, &aom_avg_4x4_c)));
#if HAVE_SSE2
INSTANTIATE_TEST_SUITE_P(
SSE2, AverageTest,
::testing::Values(make_tuple(16, 16, 0, 8, &aom_avg_8x8_sse2),
make_tuple(16, 16, 5, 8, &aom_avg_8x8_sse2),
make_tuple(32, 32, 15, 8, &aom_avg_8x8_sse2),
make_tuple(16, 16, 0, 4, &aom_avg_4x4_sse2),
make_tuple(16, 16, 5, 4, &aom_avg_4x4_sse2),
make_tuple(32, 32, 15, 4, &aom_avg_4x4_sse2)));
INSTANTIATE_TEST_SUITE_P(
SSE2, IntProRowTest,
::testing::Values(make_tuple(16, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
make_tuple(32, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
make_tuple(64, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
make_tuple(128, &aom_int_pro_row_sse2,
&aom_int_pro_row_c)));
INSTANTIATE_TEST_SUITE_P(
SSE2, IntProColTest,
::testing::Values(make_tuple(16, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
make_tuple(32, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
make_tuple(64, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
make_tuple(128, &aom_int_pro_col_sse2,
&aom_int_pro_col_c)));
#endif
#if HAVE_NEON
INSTANTIATE_TEST_SUITE_P(
NEON, AverageTest,
::testing::Values(make_tuple(16, 16, 0, 8, &aom_avg_8x8_neon),
make_tuple(16, 16, 5, 8, &aom_avg_8x8_neon),
make_tuple(32, 32, 15, 8, &aom_avg_8x8_neon),
make_tuple(16, 16, 0, 4, &aom_avg_4x4_neon),
make_tuple(16, 16, 5, 4, &aom_avg_4x4_neon),
make_tuple(32, 32, 15, 4, &aom_avg_4x4_neon)));
#endif
} // namespace