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/*
* Copyright (c) 2017 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 <math.h>
#include <stdlib.h>
#include <string.h>
#include <limits>
#include <tuple>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "./vpx_dsp_rtcd.h"
#include "test/acm_random.h"
#include "test/buffer.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "vpx/vpx_codec.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/vpx_dsp_common.h"
using libvpx_test::ACMRandom;
using libvpx_test::Buffer;
using std::make_tuple;
using std::tuple;
namespace {
typedef void (*PartialFdctFunc)(const int16_t *in, tran_low_t *out, int stride);
typedef tuple<PartialFdctFunc, int /* size */, vpx_bit_depth_t>
PartialFdctParam;
tran_low_t partial_fdct_ref(const Buffer<int16_t> &in, int size) {
int64_t sum = 0;
if (in.TopLeftPixel() != NULL) {
for (int y = 0; y < size; ++y) {
for (int x = 0; x < size; ++x) {
sum += in.TopLeftPixel()[y * in.stride() + x];
}
}
} else {
assert(0);
}
switch (size) {
case 4: sum *= 2; break;
case 8: /*sum = sum;*/ break;
case 16: sum >>= 1; break;
case 32: sum >>= 3; break;
}
return static_cast<tran_low_t>(sum);
}
class PartialFdctTest : public ::testing::TestWithParam<PartialFdctParam> {
public:
PartialFdctTest() {
fwd_txfm_ = GET_PARAM(0);
size_ = GET_PARAM(1);
bit_depth_ = GET_PARAM(2);
}
virtual void TearDown() { libvpx_test::ClearSystemState(); }
protected:
void RunTest() {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int16_t maxvalue =
clip_pixel_highbd(std::numeric_limits<int16_t>::max(), bit_depth_);
const int16_t minvalue = -maxvalue;
Buffer<int16_t> input_block =
Buffer<int16_t>(size_, size_, 8, size_ == 4 ? 0 : 16);
ASSERT_TRUE(input_block.Init());
Buffer<tran_low_t> output_block = Buffer<tran_low_t>(size_, size_, 0, 16);
ASSERT_TRUE(output_block.Init());
if (output_block.TopLeftPixel() != NULL) {
for (int i = 0; i < 100; ++i) {
if (i == 0) {
input_block.Set(maxvalue);
} else if (i == 1) {
input_block.Set(minvalue);
} else {
input_block.Set(&rnd, minvalue, maxvalue);
}
ASM_REGISTER_STATE_CHECK(fwd_txfm_(input_block.TopLeftPixel(),
output_block.TopLeftPixel(),
input_block.stride()));
EXPECT_EQ(partial_fdct_ref(input_block, size_),
output_block.TopLeftPixel()[0]);
}
} else {
assert(0);
}
}
PartialFdctFunc fwd_txfm_;
vpx_bit_depth_t bit_depth_;
int size_;
};
TEST_P(PartialFdctTest, PartialFdctTest) { RunTest(); }
#if CONFIG_VP9_HIGHBITDEPTH
INSTANTIATE_TEST_SUITE_P(
C, PartialFdctTest,
::testing::Values(make_tuple(&vpx_highbd_fdct32x32_1_c, 32, VPX_BITS_12),
make_tuple(&vpx_highbd_fdct32x32_1_c, 32, VPX_BITS_10),
make_tuple(&vpx_fdct32x32_1_c, 32, VPX_BITS_8),
make_tuple(&vpx_highbd_fdct16x16_1_c, 16, VPX_BITS_12),
make_tuple(&vpx_highbd_fdct16x16_1_c, 16, VPX_BITS_10),
make_tuple(&vpx_fdct16x16_1_c, 16, VPX_BITS_8),
make_tuple(&vpx_highbd_fdct8x8_1_c, 8, VPX_BITS_12),
make_tuple(&vpx_highbd_fdct8x8_1_c, 8, VPX_BITS_10),
make_tuple(&vpx_fdct8x8_1_c, 8, VPX_BITS_8),
make_tuple(&vpx_fdct4x4_1_c, 4, VPX_BITS_8)));
#else
INSTANTIATE_TEST_SUITE_P(
C, PartialFdctTest,
::testing::Values(make_tuple(&vpx_fdct32x32_1_c, 32, VPX_BITS_8),
make_tuple(&vpx_fdct16x16_1_c, 16, VPX_BITS_8),
make_tuple(&vpx_fdct8x8_1_c, 8, VPX_BITS_8),
make_tuple(&vpx_fdct4x4_1_c, 4, VPX_BITS_8)));
#endif // CONFIG_VP9_HIGHBITDEPTH
#if HAVE_SSE2
INSTANTIATE_TEST_SUITE_P(
SSE2, PartialFdctTest,
::testing::Values(make_tuple(&vpx_fdct32x32_1_sse2, 32, VPX_BITS_8),
make_tuple(&vpx_fdct16x16_1_sse2, 16, VPX_BITS_8),
make_tuple(&vpx_fdct8x8_1_sse2, 8, VPX_BITS_8),
make_tuple(&vpx_fdct4x4_1_sse2, 4, VPX_BITS_8)));
#endif // HAVE_SSE2
#if HAVE_NEON
#if CONFIG_VP9_HIGHBITDEPTH
INSTANTIATE_TEST_SUITE_P(
NEON, PartialFdctTest,
::testing::Values(make_tuple(&vpx_fdct32x32_1_neon, 32, VPX_BITS_8),
make_tuple(&vpx_fdct16x16_1_neon, 16, VPX_BITS_8),
make_tuple(&vpx_fdct8x8_1_neon, 8, VPX_BITS_12),
make_tuple(&vpx_fdct8x8_1_neon, 8, VPX_BITS_10),
make_tuple(&vpx_fdct8x8_1_neon, 8, VPX_BITS_8),
make_tuple(&vpx_fdct4x4_1_neon, 4, VPX_BITS_8)));
#else
INSTANTIATE_TEST_SUITE_P(
NEON, PartialFdctTest,
::testing::Values(make_tuple(&vpx_fdct32x32_1_neon, 32, VPX_BITS_8),
make_tuple(&vpx_fdct16x16_1_neon, 16, VPX_BITS_8),
make_tuple(&vpx_fdct8x8_1_neon, 8, VPX_BITS_8),
make_tuple(&vpx_fdct4x4_1_neon, 4, VPX_BITS_8)));
#endif // CONFIG_VP9_HIGHBITDEPTH
#endif // HAVE_NEON
#if HAVE_MSA
#if CONFIG_VP9_HIGHBITDEPTH
INSTANTIATE_TEST_SUITE_P(MSA, PartialFdctTest,
::testing::Values(make_tuple(&vpx_fdct8x8_1_msa, 8,
VPX_BITS_8)));
#else // !CONFIG_VP9_HIGHBITDEPTH
INSTANTIATE_TEST_SUITE_P(
MSA, PartialFdctTest,
::testing::Values(make_tuple(&vpx_fdct32x32_1_msa, 32, VPX_BITS_8),
make_tuple(&vpx_fdct16x16_1_msa, 16, VPX_BITS_8),
make_tuple(&vpx_fdct8x8_1_msa, 8, VPX_BITS_8)));
#endif // CONFIG_VP9_HIGHBITDEPTH
#endif // HAVE_MSA
} // namespace
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