1 /*
2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
3 *
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.
9 */
10
11 #include "third_party/googletest/src/include/gtest/gtest.h"
12
13 #include "./vp9_rtcd.h"
14 #include "./vpx_config.h"
15 #include "./vpx_dsp_rtcd.h"
16 #include "test/acm_random.h"
17 #include "test/clear_system_state.h"
18 #include "test/register_state_check.h"
19 #include "vp9/common/vp9_blockd.h"
20 #include "vpx_mem/vpx_mem.h"
21
22 typedef void (*SubtractFunc)(int rows, int cols, int16_t *diff_ptr,
23 ptrdiff_t diff_stride, const uint8_t *src_ptr,
24 ptrdiff_t src_stride, const uint8_t *pred_ptr,
25 ptrdiff_t pred_stride);
26
27 namespace vp9 {
28
29 class VP9SubtractBlockTest : public ::testing::TestWithParam<SubtractFunc> {
30 public:
TearDown()31 virtual void TearDown() { libvpx_test::ClearSystemState(); }
32 };
33
34 using libvpx_test::ACMRandom;
35
TEST_P(VP9SubtractBlockTest,SimpleSubtract)36 TEST_P(VP9SubtractBlockTest, SimpleSubtract) {
37 ACMRandom rnd(ACMRandom::DeterministicSeed());
38
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));
50
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();
56 }
57 }
58
59 GetParam()(block_height, block_width, diff, block_width, src, block_width,
60 pred, block_width);
61
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] - pred[r * block_width + c]))
66 << "r = " << r << ", c = " << c << ", bs = " << bsize;
67 }
68 }
69
70 GetParam()(block_height, block_width, diff, block_width * 2, src,
71 block_width * 2, pred, block_width * 2);
72
73 for (int r = 0; r < block_height; ++r) {
74 for (int c = 0; c < block_width; ++c) {
75 EXPECT_EQ(
76 diff[r * block_width * 2 + c],
77 (src[r * block_width * 2 + c] - pred[r * block_width * 2 + c]))
78 << "r = " << r << ", c = " << c << ", bs = " << bsize;
79 }
80 }
81 }
82 vpx_free(diff);
83 vpx_free(pred);
84 vpx_free(src);
85 }
86 }
87
88 INSTANTIATE_TEST_CASE_P(C, VP9SubtractBlockTest,
89 ::testing::Values(vpx_subtract_block_c));
90
91 #if HAVE_SSE2
92 INSTANTIATE_TEST_CASE_P(SSE2, VP9SubtractBlockTest,
93 ::testing::Values(vpx_subtract_block_sse2));
94 #endif
95 #if HAVE_NEON
96 INSTANTIATE_TEST_CASE_P(NEON, VP9SubtractBlockTest,
97 ::testing::Values(vpx_subtract_block_neon));
98 #endif
99 #if HAVE_MSA
100 INSTANTIATE_TEST_CASE_P(MSA, VP9SubtractBlockTest,
101 ::testing::Values(vpx_subtract_block_msa));
102 #endif
103
104 } // namespace vp9
105