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_TYPE bsize
= BLOCK_4X4
; bsize
< BLOCK_SIZE_TYPES
;
43 bsize
= static_cast<BLOCK_SIZE_TYPE
>(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
));