131 строка
3.5 KiB
C++
131 строка
3.5 KiB
C++
/*
|
|
* Copyright (c) 2016 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 <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "third_party/googletest/src/include/gtest/gtest.h"
|
|
|
|
#include "./aom_dsp_rtcd.h"
|
|
#include "aom/aom_integer.h"
|
|
|
|
#include "test/acm_random.h"
|
|
#include "test/register_state_check.h"
|
|
|
|
namespace {
|
|
|
|
using ::libaom_test::ACMRandom;
|
|
|
|
typedef void (*MinMaxFunc)(const uint8_t *a, int a_stride, const uint8_t *b,
|
|
int b_stride, int *min, int *max);
|
|
|
|
class MinMaxTest : public ::testing::TestWithParam<MinMaxFunc> {
|
|
public:
|
|
virtual void SetUp() {
|
|
mm_func_ = GetParam();
|
|
rnd_.Reset(ACMRandom::DeterministicSeed());
|
|
}
|
|
|
|
protected:
|
|
MinMaxFunc mm_func_;
|
|
ACMRandom rnd_;
|
|
};
|
|
|
|
void reference_minmax(const uint8_t *a, int a_stride, const uint8_t *b,
|
|
int b_stride, int *min_ret, int *max_ret) {
|
|
int min = 255;
|
|
int max = 0;
|
|
for (int i = 0; i < 8; i++) {
|
|
for (int j = 0; j < 8; j++) {
|
|
const int diff = abs(a[i * a_stride + j] - b[i * b_stride + j]);
|
|
if (min > diff) min = diff;
|
|
if (max < diff) max = diff;
|
|
}
|
|
}
|
|
|
|
*min_ret = min;
|
|
*max_ret = max;
|
|
}
|
|
|
|
TEST_P(MinMaxTest, MinValue) {
|
|
for (int i = 0; i < 64; i++) {
|
|
uint8_t a[64], b[64];
|
|
memset(a, 0, sizeof(a));
|
|
memset(b, 255, sizeof(b));
|
|
b[i] = i; // Set a minimum difference of i.
|
|
|
|
int min, max;
|
|
ASM_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max));
|
|
EXPECT_EQ(255, max);
|
|
EXPECT_EQ(i, min);
|
|
}
|
|
}
|
|
|
|
TEST_P(MinMaxTest, MaxValue) {
|
|
for (int i = 0; i < 64; i++) {
|
|
uint8_t a[64], b[64];
|
|
memset(a, 0, sizeof(a));
|
|
memset(b, 0, sizeof(b));
|
|
b[i] = i; // Set a maximum difference of i.
|
|
|
|
int min, max;
|
|
ASM_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max));
|
|
EXPECT_EQ(i, max);
|
|
EXPECT_EQ(0, min);
|
|
}
|
|
}
|
|
|
|
TEST_P(MinMaxTest, CompareReference) {
|
|
uint8_t a[64], b[64];
|
|
for (int j = 0; j < 64; j++) {
|
|
a[j] = rnd_.Rand8();
|
|
b[j] = rnd_.Rand8();
|
|
}
|
|
|
|
int min_ref, max_ref, min, max;
|
|
reference_minmax(a, 8, b, 8, &min_ref, &max_ref);
|
|
ASM_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max));
|
|
EXPECT_EQ(max_ref, max);
|
|
EXPECT_EQ(min_ref, min);
|
|
}
|
|
|
|
TEST_P(MinMaxTest, CompareReferenceAndVaryStride) {
|
|
uint8_t a[8 * 64], b[8 * 64];
|
|
for (int i = 0; i < 8 * 64; i++) {
|
|
a[i] = rnd_.Rand8();
|
|
b[i] = rnd_.Rand8();
|
|
}
|
|
for (int a_stride = 8; a_stride <= 64; a_stride += 8) {
|
|
for (int b_stride = 8; b_stride <= 64; b_stride += 8) {
|
|
int min_ref, max_ref, min, max;
|
|
reference_minmax(a, a_stride, b, b_stride, &min_ref, &max_ref);
|
|
ASM_REGISTER_STATE_CHECK(mm_func_(a, a_stride, b, b_stride, &min, &max));
|
|
EXPECT_EQ(max_ref, max) << "when a_stride = " << a_stride
|
|
<< " and b_stride = " << b_stride;
|
|
EXPECT_EQ(min_ref, min) << "when a_stride = " << a_stride
|
|
<< " and b_stride = " << b_stride;
|
|
}
|
|
}
|
|
}
|
|
|
|
INSTANTIATE_TEST_CASE_P(C, MinMaxTest, ::testing::Values(&aom_minmax_8x8_c));
|
|
|
|
#if HAVE_SSE2
|
|
INSTANTIATE_TEST_CASE_P(SSE2, MinMaxTest,
|
|
::testing::Values(&aom_minmax_8x8_sse2));
|
|
#endif
|
|
|
|
#if HAVE_NEON
|
|
INSTANTIATE_TEST_CASE_P(NEON, MinMaxTest,
|
|
::testing::Values(&aom_minmax_8x8_neon));
|
|
#endif
|
|
|
|
} // namespace
|