1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/service/transitions/transferable_resource_tracker.h"
#include <limits>
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "components/viz/common/quads/compositor_frame_transition_directive.h"
#include "components/viz/service/surfaces/surface_saved_frame.h"
#include "gpu/command_buffer/client/test_shared_image_interface.h"
#include "gpu/command_buffer/common/mailbox.h"
#include "gpu/command_buffer/common/sync_token.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace viz {
namespace {
std::unique_ptr<SurfaceSavedFrame> CreateFrameWithResult(
gpu::TestSharedImageInterface* shared_image_interface) {
CompositorFrameTransitionDirective::SharedElement element;
auto directive = CompositorFrameTransitionDirective::CreateSave(
blink::ViewTransitionToken(), /*maybe_cross_frame_sink=*/false, 1,
{element}, {});
auto frame = SurfaceSavedFrame::CreateForTesting(std::move(directive),
shared_image_interface);
frame->CompleteSavedFrameForTesting();
return frame;
}
} // namespace
class TransferableResourceTrackerTest : public testing::Test {
public:
TransferableResourceTrackerTest()
: shared_image_interface_(
base::MakeRefCounted<gpu::TestSharedImageInterface>()) {}
void SetNextId(TransferableResourceTracker* tracker, uint32_t id) {
tracker->id_tracker_->set_next_id_for_test(id);
}
// Returns if the software SharedImage for the |resource| is valid.
bool HasSharedImageForSoftwareResource(const TransferableResource& resource) {
DCHECK(resource.is_software);
return shared_image_interface()->CheckSharedImageExists(resource.mailbox());
}
gpu::TestSharedImageInterface* shared_image_interface() {
return shared_image_interface_.get();
}
protected:
scoped_refptr<gpu::TestSharedImageInterface> shared_image_interface_;
ReservedResourceIdTracker id_tracker_;
};
TEST_F(TransferableResourceTrackerTest, IdInRange) {
TransferableResourceTracker tracker(&id_tracker_);
auto result = CreateFrameWithResult(shared_image_interface());
auto frame1 =
tracker.ImportResources(result->TakeResult(), result->directive());
ASSERT_EQ(frame1.shared.size(), 1u);
const auto& resource1 = frame1.shared.at(0);
EXPECT_TRUE(HasSharedImageForSoftwareResource(resource1->resource));
EXPECT_GE(resource1->resource.id, kVizReservedRangeStartId);
result = CreateFrameWithResult(shared_image_interface());
auto frame2 =
tracker.ImportResources(result->TakeResult(), result->directive());
ASSERT_EQ(frame2.shared.size(), 1u);
const auto& resource2 = frame2.shared.at(0);
EXPECT_TRUE(HasSharedImageForSoftwareResource(resource2->resource));
EXPECT_GE(resource2->resource.id, resource1->resource.id);
tracker.ReturnFrame(frame1);
EXPECT_FALSE(HasSharedImageForSoftwareResource(resource1->resource));
tracker.RefResource(resource2->resource.id);
tracker.ReturnFrame(frame2);
EXPECT_TRUE(HasSharedImageForSoftwareResource(resource2->resource));
tracker.UnrefResource(resource2->resource.id, 1, gpu::SyncToken());
EXPECT_FALSE(HasSharedImageForSoftwareResource(resource2->resource));
}
TEST_F(TransferableResourceTrackerTest, ExhaustedIdLoops) {
static_assert(std::is_same<decltype(kInvalidResourceId.GetUnsafeValue()),
uint32_t>::value,
"The test only makes sense if ResourceId is uint32_t");
uint32_t next_id = std::numeric_limits<uint32_t>::max() - 3u;
TransferableResourceTracker tracker(&id_tracker_);
SetNextId(&tracker, next_id);
ResourceId last_id = kInvalidResourceId;
std::vector<TransferableResourceTracker::ResourceFrame> frames;
for (int i = 0; i < 10; ++i) {
auto result = CreateFrameWithResult(shared_image_interface());
auto frame =
tracker.ImportResources(result->TakeResult(), result->directive());
ASSERT_EQ(frame.shared.size(), 1u);
const auto& resource = frame.shared.at(0);
EXPECT_TRUE(HasSharedImageForSoftwareResource(resource->resource));
EXPECT_GE(resource->resource.id, kVizReservedRangeStartId);
EXPECT_NE(resource->resource.id, last_id);
last_id = resource->resource.id;
frames.push_back(std::move(frame));
}
for (auto& frame : frames) {
tracker.ReturnFrame(frame);
EXPECT_FALSE(
HasSharedImageForSoftwareResource(frame.shared.at(0)->resource));
}
}
TEST_F(TransferableResourceTrackerTest, UnrefWithCount) {
TransferableResourceTracker tracker(&id_tracker_);
auto result = CreateFrameWithResult(shared_image_interface());
auto frame =
tracker.ImportResources(result->TakeResult(), result->directive());
ASSERT_EQ(frame.shared.size(), 1u);
const auto& resource = frame.shared.at(0);
for (int i = 0; i < 1000; ++i)
tracker.RefResource(resource->resource.id);
ASSERT_FALSE(tracker.is_empty());
tracker.UnrefResource(resource->resource.id, 1, gpu::SyncToken());
EXPECT_FALSE(tracker.is_empty());
tracker.UnrefResource(resource->resource.id, 1, gpu::SyncToken());
EXPECT_FALSE(tracker.is_empty());
tracker.UnrefResource(resource->resource.id, 999, gpu::SyncToken());
EXPECT_TRUE(tracker.is_empty());
}
TEST_F(TransferableResourceTrackerTest,
ExhaustedIdLoopsButSkipsUnavailableIds) {
static_assert(std::is_same<decltype(kInvalidResourceId.GetUnsafeValue()),
uint32_t>::value,
"The test only makes sense if ResourceId is uint32_t");
TransferableResourceTracker tracker(&id_tracker_);
auto result = CreateFrameWithResult(shared_image_interface());
auto reserved =
tracker.ImportResources(result->TakeResult(), result->directive());
ASSERT_EQ(reserved.shared.size(), 1u);
const auto& resource = reserved.shared.at(0);
EXPECT_GE(resource->resource.id, kVizReservedRangeStartId);
uint32_t next_id = std::numeric_limits<uint32_t>::max() - 3u;
SetNextId(&tracker, next_id);
ResourceId last_id = kInvalidResourceId;
std::vector<TransferableResourceTracker::ResourceFrame> frames;
for (int i = 0; i < 10; ++i) {
result = CreateFrameWithResult(shared_image_interface());
auto frame =
tracker.ImportResources(result->TakeResult(), result->directive());
ASSERT_EQ(frame.shared.size(), 1u);
const auto& new_resource = frame.shared.at(0);
EXPECT_TRUE(HasSharedImageForSoftwareResource(new_resource->resource));
EXPECT_GE(new_resource->resource.id, kVizReservedRangeStartId);
EXPECT_NE(new_resource->resource.id, last_id);
EXPECT_NE(new_resource->resource.id, resource->resource.id);
last_id = new_resource->resource.id;
frames.push_back(std::move(frame));
}
for (auto& frame : frames) {
tracker.ReturnFrame(frame);
EXPECT_FALSE(
HasSharedImageForSoftwareResource(frame.shared.at(0)->resource));
}
}
} // namespace viz
|
