2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #include "third_party/googletest/src/include/gtest/gtest.h"
12 #include "test/acm_random.h"
13 #include "test/clear_system_state.h"
14 #include "test/register_state_check.h"
15 #include "./vpx_config.h"
16 #include "./vp9_rtcd.h"
17 #include "vp9/common/vp9_blockd.h"
18 #include "vpx_mem/vpx_mem.h"
20 typedef void (*SubtractFunc)(int rows, int cols,
21 int16_t *diff_ptr, ptrdiff_t diff_stride,
22 const uint8_t *src_ptr, ptrdiff_t src_stride,
23 const uint8_t *pred_ptr, ptrdiff_t pred_stride);
27 class VP9SubtractBlockTest : public ::testing::TestWithParam<SubtractFunc> {
29 virtual void TearDown() {
30 libvpx_test::ClearSystemState();
34 using libvpx_test::ACMRandom;
36 TEST_P(VP9SubtractBlockTest, SimpleSubtract) {
37 ACMRandom rnd(ACMRandom::DeterministicSeed());
39 // FIXME(rbultje) split in its own file
40 for (BLOCK_SIZE bsize = BLOCK_4X4; bsize < BLOCK_SIZES;
41 bsize = static_cast<BLOCK_SIZE>(static_cast<int>(bsize) + 1)) {
42 const int block_width = 4 * num_4x4_blocks_wide_lookup[bsize];
43 const int block_height = 4 * num_4x4_blocks_high_lookup[bsize];
44 int16_t *diff = reinterpret_cast<int16_t *>(
45 vpx_memalign(16, sizeof(*diff) * block_width * block_height * 2));
46 uint8_t *pred = reinterpret_cast<uint8_t *>(
47 vpx_memalign(16, block_width * block_height * 2));
48 uint8_t *src = reinterpret_cast<uint8_t *>(
49 vpx_memalign(16, block_width * block_height * 2));
51 for (int n = 0; n < 100; n++) {
52 for (int r = 0; r < block_height; ++r) {
53 for (int c = 0; c < block_width * 2; ++c) {
54 src[r * block_width * 2 + c] = rnd.Rand8();
55 pred[r * block_width * 2 + c] = rnd.Rand8();
59 GetParam()(block_height, block_width, diff, block_width,
60 src, block_width, pred, block_width);
62 for (int r = 0; r < block_height; ++r) {
63 for (int c = 0; c < block_width; ++c) {
64 EXPECT_EQ(diff[r * block_width + c],
65 (src[r * block_width + c] -
66 pred[r * block_width + c])) << "r = " << r
68 << ", bs = " << bsize;
72 GetParam()(block_height, block_width, diff, block_width * 2,
73 src, block_width * 2, pred, block_width * 2);
75 for (int r = 0; r < block_height; ++r) {
76 for (int c = 0; c < block_width; ++c) {
77 EXPECT_EQ(diff[r * block_width * 2 + c],
78 (src[r * block_width * 2 + c] -
79 pred[r * block_width * 2 + c])) << "r = " << r
81 << ", bs = " << bsize;
91 INSTANTIATE_TEST_CASE_P(C, VP9SubtractBlockTest,
92 ::testing::Values(vp9_subtract_block_c));
94 #if HAVE_SSE2 && CONFIG_USE_X86INC
95 INSTANTIATE_TEST_CASE_P(SSE2, VP9SubtractBlockTest,
96 ::testing::Values(vp9_subtract_block_sse2));