1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "window_rate_manager.h"
17
18 #include "vsync_station.h"
19 #include "window_frame_trace.h"
20 #include "window_manager_hilog.h"
21 #include "ui/rs_frame_rate_linker.h"
22
23 using namespace FRAME_TRACE;
24
25 namespace OHOS {
26 namespace Rosen {
27 namespace {
28 constexpr HiviewDFX::HiLogLabel LABEL = {LOG_CORE, HILOG_DOMAIN_WINDOW, "WindowRateManager"};
29 }
WM_IMPLEMENT_SINGLE_INSTANCE(WindowRateManager)30 WM_IMPLEMENT_SINGLE_INSTANCE(WindowRateManager)
31
32 void WindowRateManager::FlushFrameRate(int32_t windowId, uint32_t rate)
33 {
34 std::lock_guard<std::mutex> lock(mtx_);
35 if (auto iter = windowRateMap_.find(windowId); iter != windowRateMap_.end() && iter->second != rate) {
36 iter->second = rate;
37 expectedRate_ = GetExpectedRate();
38 VsyncStation::GetInstance().FlushFrameRate(expectedRate_, false);
39 }
40 }
41
FlushFrameRateForRootWindow(uint32_t rate)42 void WindowRateManager::FlushFrameRateForRootWindow(uint32_t rate)
43 {
44 std::lock_guard<std::mutex> lock(mtx_);
45 if (rate != rootWindowRate_) {
46 rootWindowRate_ = rate;
47 expectedRate_ = GetExpectedRate();
48 VsyncStation::GetInstance().FlushFrameRate(expectedRate_, false);
49 }
50 }
51
AddWindowRate(int32_t windowId,uint32_t rate)52 void WindowRateManager::AddWindowRate(int32_t windowId, uint32_t rate)
53 {
54 std::lock_guard<std::mutex> lock(mtx_);
55 if (windowRateMap_.count(windowId)) {
56 return;
57 }
58 windowRateMap_.emplace(windowId, rate);
59 WLOGD("WindowRateManager::AddWindowRate id: %{public}d", windowId);
60 }
61
RemoveWindowRate(int32_t windowId)62 void WindowRateManager::RemoveWindowRate(int32_t windowId)
63 {
64 std::lock_guard<std::mutex> lock(mtx_);
65 if (auto iter = windowRateMap_.find(windowId); iter != windowRateMap_.end()) {
66 auto rate = iter->second;
67 windowRateMap_.erase(iter);
68 WLOGD("WindowRateManager::RemoveWindowRate id: %{public}d", windowId);
69 if (rate == expectedRate_) {
70 expectedRate_ = GetExpectedRate();
71 VsyncStation::GetInstance().FlushFrameRate(expectedRate_, true);
72 }
73 }
74 }
75
GetExpectedRate()76 uint32_t WindowRateManager::GetExpectedRate()
77 {
78 uint32_t expectedRate = 0;
79 if (!windowRateMap_.empty()) {
80 auto iter = std::max_element(
81 windowRateMap_.begin(), windowRateMap_.end(), [](auto a, auto b) { return a.second < b.second; });
82 expectedRate = iter->second;
83 }
84 expectedRate = std::max(expectedRate, rootWindowRate_);
85 return expectedRate;
86 }
87 } // namespace Rosen
88 } // namespace OHOS
89