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) {
42 *out_client = nullptr;
43 return ToBinderStatus(hwc3::Error::kNoResources);
44 }
45
46 client->Init();
47
48 *out_client = client;
49 client_ = client;
50
51 return ndk::ScopedAStatus::ok();
52 }
53
dump(int fd,const char **,uint32_t)54 binder_status_t Composer::dump(int fd, const char** /*args*/,
55 uint32_t /*numArgs*/) {
56 std::stringstream output;
57 output << "hwc3-drm\n\n";
58
59 auto client_instance = client_.lock();
60 if (!client_instance) {
61 return STATUS_OK;
62 }
63
64 // NOLINTNEXTLINE(cppcoreguidelines-pro-type-static-cast-downcast)
65 auto* client = static_cast<ComposerClient*>(client_instance.get());
66 output << client->Dump();
67
68 auto output_str = output.str();
69 write(fd, output_str.c_str(), output_str.size());
70 return STATUS_OK;
71 }
72
getCapabilities(std::vector<Capability> * caps)73 ndk::ScopedAStatus Composer::getCapabilities(std::vector<Capability>* caps) {
74 DEBUG_FUNC();
75 /* No capabilities advertised */
76 caps->clear();
77
78 if (Properties::IsPresentFenceNotReliable()) {
79 caps->emplace_back(Capability::PRESENT_FENCE_IS_NOT_RELIABLE);
80 }
81
82 #if __ANDROID_API__ >= 35
83 caps->emplace_back(Capability::LAYER_LIFECYCLE_BATCH_COMMAND);
84 #endif
85
86 return ndk::ScopedAStatus::ok();
87 }
88
createBinder()89 ::ndk::SpAIBinder Composer::createBinder() {
90 auto binder = BnComposer::createBinder();
91 AIBinder_setInheritRt(binder.get(), true);
92 return binder;
93 }
94
95 } // namespace aidl::android::hardware::graphics::composer3::impl
96