1 /*
2 * Copyright 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <algorithm>
18 #include <functional>
19 #include <utility>
20
21 #include <ftl/algorithm.h>
22 #include <ftl/enum.h>
23 #include <ui/DebugUtils.h>
24
25 #include "DisplaySnapshot.h"
26
27 namespace android::display {
28
DisplaySnapshot(PhysicalDisplayId displayId,uint8_t port,ui::DisplayConnectionType connectionType,DisplayModes && displayModes,ui::ColorModes && colorModes,std::optional<DeviceProductInfo> && deviceProductInfo)29 DisplaySnapshot::DisplaySnapshot(PhysicalDisplayId displayId, uint8_t port,
30 ui::DisplayConnectionType connectionType,
31 DisplayModes&& displayModes, ui::ColorModes&& colorModes,
32 std::optional<DeviceProductInfo>&& deviceProductInfo)
33 : mDisplayId(displayId),
34 mPort(port),
35 mConnectionType(connectionType),
36 mDisplayModes(std::move(displayModes)),
37 mColorModes(std::move(colorModes)),
38 mDeviceProductInfo(std::move(deviceProductInfo)) {}
39
translateModeId(hal::HWConfigId hwcId) const40 std::optional<DisplayModeId> DisplaySnapshot::translateModeId(hal::HWConfigId hwcId) const {
41 return ftl::find_if(mDisplayModes,
42 [hwcId](const DisplayModes::value_type& pair) {
43 return pair.second->getHwcId() == hwcId;
44 })
45 .transform(&ftl::to_key<DisplayModes>);
46 }
47
filterColorModes(bool supportsWideColor) const48 ui::ColorModes DisplaySnapshot::filterColorModes(bool supportsWideColor) const {
49 ui::ColorModes modes = mColorModes;
50
51 // If the display is internal and the configuration claims it's not wide color capable, filter
52 // out all wide color modes. The typical reason why this happens is that the hardware is not
53 // good enough to support GPU composition of wide color, and thus the OEMs choose to disable
54 // this capability.
55 if (mConnectionType == ui::DisplayConnectionType::Internal && !supportsWideColor) {
56 const auto it = std::remove_if(modes.begin(), modes.end(), ui::isWideColorMode);
57 modes.erase(it, modes.end());
58 }
59
60 return modes;
61 }
62
dump(utils::Dumper & dumper) const63 void DisplaySnapshot::dump(utils::Dumper& dumper) const {
64 using namespace std::string_view_literals;
65
66 dumper.dump("port"sv, mPort);
67
68 dumper.dump("connectionType"sv, ftl::enum_string(mConnectionType));
69
70 dumper.dump("colorModes"sv);
71 {
72 utils::Dumper::Indent indent(dumper);
73 for (const auto mode : mColorModes) {
74 dumper.dump({}, decodeColorMode(mode));
75 }
76 }
77
78 dumper.dump("deviceProductInfo"sv, mDeviceProductInfo);
79 }
80
81 } // namespace android::display
82