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"
16 #include "./vpx_config.h"
17 #include "./vp9_rtcd.h"
18 #include "vp9/common/vp9_blockd.h"
19 #include "vpx_mem/vpx_mem.h"
22 typedef void (*subtract_fn_t)(int rows, int cols,
23 int16_t *diff_ptr, ptrdiff_t diff_stride,
24 const uint8_t *src_ptr, ptrdiff_t src_stride,
25 const uint8_t *pred_ptr, ptrdiff_t pred_stride);
29 class VP9SubtractBlockTest : public ::testing::TestWithParam<subtract_fn_t> {
31 virtual void TearDown() {
32 libvpx_test::ClearSystemState();
36 using libvpx_test::ACMRandom;
38 TEST_P(VP9SubtractBlockTest, SimpleSubtract) {
39 ACMRandom rnd(ACMRandom::DeterministicSeed());
41 // FIXME(rbultje) split in its own file
42 for (BLOCK_SIZE bsize = BLOCK_4X4; bsize < BLOCK_SIZES;
43 bsize = static_cast<BLOCK_SIZE>(static_cast<int>(bsize) + 1)) {
44 const int block_width = 4 << b_width_log2(bsize);
45 const int block_height = 4 << b_height_log2(bsize);
46 int16_t *diff = reinterpret_cast<int16_t *>(
47 vpx_memalign(16, sizeof(*diff) * block_width * block_height * 2));
48 uint8_t *pred = reinterpret_cast<uint8_t *>(
49 vpx_memalign(16, block_width * block_height * 2));
50 uint8_t *src = reinterpret_cast<uint8_t *>(
51 vpx_memalign(16, block_width * block_height * 2));
53 for (int n = 0; n < 100; n++) {
54 for (int r = 0; r < block_height; ++r) {
55 for (int c = 0; c < block_width * 2; ++c) {
56 src[r * block_width * 2 + c] = rnd.Rand8();
57 pred[r * block_width * 2 + c] = rnd.Rand8();
61 GetParam()(block_height, block_width, diff, block_width,
62 src, block_width, pred, block_width);
64 for (int r = 0; r < block_height; ++r) {
65 for (int c = 0; c < block_width; ++c) {
66 EXPECT_EQ(diff[r * block_width + c],
67 (src[r * block_width + c] -
68 pred[r * block_width + c])) << "r = " << r
70 << ", bs = " << bsize;
74 GetParam()(block_height, block_width, diff, block_width * 2,
75 src, block_width * 2, pred, block_width * 2);
77 for (int r = 0; r < block_height; ++r) {
78 for (int c = 0; c < block_width; ++c) {
79 EXPECT_EQ(diff[r * block_width * 2 + c],
80 (src[r * block_width * 2 + c] -
81 pred[r * block_width * 2 + c])) << "r = " << r
83 << ", bs = " << bsize;
93 INSTANTIATE_TEST_CASE_P(C, VP9SubtractBlockTest,
94 ::testing::Values(vp9_subtract_block_c));
96 #if HAVE_SSE2 && CONFIG_USE_X86INC
97 INSTANTIATE_TEST_CASE_P(SSE2, VP9SubtractBlockTest,
98 ::testing::Values(vp9_subtract_block_sse2));