1 /*
2 * Copyright (C) 2024 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 #define LOG_TAG "drmhwc"
18 #define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
19
20 #include "Composer.h"
21
22 #include <android-base/logging.h>
23 #include <android/binder_ibinder_platform.h>
24
25 #include "hwc3/ComposerClient.h"
26 #include "hwc3/Utils.h"
27 #include "utils/log.h"
28 #include "utils/properties.h"
29
30 namespace aidl::android::hardware::graphics::composer3::impl {
31
createClient(std::shared_ptr<IComposerClient> * out_client)32 ndk::ScopedAStatus Composer::createClient(
33 std::shared_ptr<IComposerClient>* out_client) {
34 DEBUG_FUNC();
35
36 if (!client_.expired()) {
37 return ToBinderStatus(hwc3::Error::kNoResources);
38 }
39
40 auto client = ndk::SharedRefBase::make<ComposerClient>();
41 if (!client || !client->Init()) {
42 *out_client = nullptr;
43 return ToBinderStatus(hwc3::Error::kNoResources);
44 }
45
46 *out_client = client;
47 client_ = client;
48
49 return ndk::ScopedAStatus::ok();
50 }
51
dump(int fd,const char **,uint32_t)52 binder_status_t Composer::dump(int fd, const char** /*args*/,
53 uint32_t /*numArgs*/) {
54 std::stringstream output;
55 output << "hwc3-drm\n\n";
56
57 auto client_instance = client_.lock();
58 if (!client_instance) {
59 return STATUS_OK;
60 }
61
62 // NOLINTNEXTLINE(cppcoreguidelines-pro-type-static-cast-downcast)
63 auto* client = static_cast<ComposerClient*>(client_instance.get());
64 output << client->Dump();
65
66 auto output_str = output.str();
67 write(fd, output_str.c_str(), output_str.size());
68 return STATUS_OK;
69 }
70
getCapabilities(std::vector<Capability> * caps)71 ndk::ScopedAStatus Composer::getCapabilities(std::vector<Capability>* caps) {
72 DEBUG_FUNC();
73 /* No capabilities advertised */
74 caps->clear();
75
76 if (Properties::IsPresentFenceNotReliable()) {
77 caps->emplace_back(Capability::PRESENT_FENCE_IS_NOT_RELIABLE);
78 }
79
80 return ndk::ScopedAStatus::ok();
81 }
82
createBinder()83 ::ndk::SpAIBinder Composer::createBinder() {
84 auto binder = BnComposer::createBinder();
85 AIBinder_setInheritRt(binder.get(), true);
86 return binder;
87 }
88
89 } // namespace aidl::android::hardware::graphics::composer3::impl
90