vpx/test/vp9_subtract_test.cc
Ronald S. Bultje 25c588b1e4 Add subtract_block SSE2 version and unit test.
3% faster overall (3min35.0 to 3min28.5).

Change-Id: I5ff8a5c2c91586b6632ca5009ad1ea51ce94af5e
2013-06-21 09:35:37 -07:00

98 lines
3.4 KiB
C++

/*
* 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 "third_party/googletest/src/include/gtest/gtest.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
extern "C" {
#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_blockd.h"
}
typedef void (*subtract_fn_t)(int rows, int cols,
int16_t *diff_ptr, ptrdiff_t diff_stride,
const uint8_t *src_ptr, ptrdiff_t src_stride,
const uint8_t *pred_ptr, ptrdiff_t pred_stride);
namespace vp9 {
class VP9SubtractBlockTest : public ::testing::TestWithParam<subtract_fn_t> {
public:
virtual void TearDown() {
libvpx_test::ClearSystemState();
}
};
using libvpx_test::ACMRandom;
TEST_P(VP9SubtractBlockTest, SimpleSubtract) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
// FIXME(rbultje) split in its own file
for (BLOCK_SIZE_TYPE bsize = BLOCK_SIZE_AB4X4; bsize < BLOCK_SIZE_TYPES;
bsize = static_cast<BLOCK_SIZE_TYPE>(static_cast<int>(bsize) + 1)) {
const int block_width = 4 << b_width_log2(bsize);
const int block_height = 4 << b_height_log2(bsize);
int16_t *diff = new int16_t[block_width * block_height * 2];
uint8_t *pred = new uint8_t[block_width * block_height * 2];
uint8_t *src = new uint8_t[block_width * block_height * 2];
for (int n = 0; n < 100; n++) {
for (int r = 0; r < block_height; ++r) {
for (int c = 0; c < block_width * 2; ++c) {
src[r * block_width * 2 + c] = rnd.Rand8();
pred[r * block_width * 2 + c] = rnd.Rand8();
}
}
GetParam()(block_height, block_width, diff, block_width,
src, block_width, pred, block_width);
for (int r = 0; r < block_height; ++r) {
for (int c = 0; c < block_width; ++c) {
EXPECT_EQ(diff[r * block_width + c],
(src[r * block_width + c] -
pred[r * block_width + c])) << "r = " << r
<< ", c = " << c
<< ", bs = " << bsize;
}
}
GetParam()(block_height, block_width, diff, block_width * 2,
src, block_width * 2, pred, block_width * 2);
for (int r = 0; r < block_height; ++r) {
for (int c = 0; c < block_width; ++c) {
EXPECT_EQ(diff[r * block_width * 2 + c],
(src[r * block_width * 2 + c] -
pred[r * block_width * 2 + c])) << "r = " << r
<< ", c = " << c
<< ", bs = " << bsize;
}
}
}
delete[] diff;
delete[] pred;
delete[] src;
}
}
INSTANTIATE_TEST_CASE_P(C, VP9SubtractBlockTest,
::testing::Values(vp9_subtract_block_c));
#if HAVE_SSE2
INSTANTIATE_TEST_CASE_P(SSE2, VP9SubtractBlockTest,
::testing::Values(vp9_subtract_block_sse2));
#endif
} // namespace vp9