1/*
2 * Copyright (C) 2007 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// tag as surfaceflinger
18#define LOG_TAG "SurfaceFlinger"
19
20#include <gui/ISurfaceComposerClient.h>
21
22#include <gui/IGraphicBufferProducer.h>
23
24#include <binder/SafeInterface.h>
25
26#include <ui/FrameStats.h>
27
28namespace android {
29
30namespace { // Anonymous
31
32enum class Tag : uint32_t {
33    CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
34    DESTROY_SURFACE,
35    CLEAR_LAYER_FRAME_STATS,
36    GET_LAYER_FRAME_STATS,
37    LAST = GET_LAYER_FRAME_STATS,
38};
39
40} // Anonymous namespace
41
42class BpSurfaceComposerClient : public SafeBpInterface<ISurfaceComposerClient> {
43public:
44    explicit BpSurfaceComposerClient(const sp<IBinder>& impl)
45          : SafeBpInterface<ISurfaceComposerClient>(impl, "BpSurfaceComposerClient") {}
46
47    ~BpSurfaceComposerClient() override;
48
49    status_t createSurface(const String8& name, uint32_t width, uint32_t height, PixelFormat format,
50                           uint32_t flags, const sp<IBinder>& parent, uint32_t windowType,
51                           uint32_t ownerUid, sp<IBinder>* handle,
52                           sp<IGraphicBufferProducer>* gbp) override {
53        return callRemote<decltype(&ISurfaceComposerClient::createSurface)>(Tag::CREATE_SURFACE,
54                                                                            name, width, height,
55                                                                            format, flags, parent,
56                                                                            windowType, ownerUid,
57                                                                            handle, gbp);
58    }
59
60    status_t destroySurface(const sp<IBinder>& handle) override {
61        return callRemote<decltype(&ISurfaceComposerClient::destroySurface)>(Tag::DESTROY_SURFACE,
62                                                                             handle);
63    }
64
65    status_t clearLayerFrameStats(const sp<IBinder>& handle) const override {
66        return callRemote<decltype(
67                &ISurfaceComposerClient::clearLayerFrameStats)>(Tag::CLEAR_LAYER_FRAME_STATS,
68                                                                handle);
69    }
70
71    status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const override {
72        return callRemote<decltype(
73                &ISurfaceComposerClient::getLayerFrameStats)>(Tag::GET_LAYER_FRAME_STATS, handle,
74                                                              outStats);
75    }
76};
77
78// Out-of-line virtual method definition to trigger vtable emission in this
79// translation unit (see clang warning -Wweak-vtables)
80BpSurfaceComposerClient::~BpSurfaceComposerClient() {}
81
82IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
83
84// ----------------------------------------------------------------------
85
86status_t BnSurfaceComposerClient::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
87                                             uint32_t flags) {
88    if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
89        return BBinder::onTransact(code, data, reply, flags);
90    }
91    auto tag = static_cast<Tag>(code);
92    switch (tag) {
93        case Tag::CREATE_SURFACE:
94            return callLocal(data, reply, &ISurfaceComposerClient::createSurface);
95        case Tag::DESTROY_SURFACE:
96            return callLocal(data, reply, &ISurfaceComposerClient::destroySurface);
97        case Tag::CLEAR_LAYER_FRAME_STATS:
98            return callLocal(data, reply, &ISurfaceComposerClient::clearLayerFrameStats);
99        case Tag::GET_LAYER_FRAME_STATS:
100            return callLocal(data, reply, &ISurfaceComposerClient::getLayerFrameStats);
101    }
102}
103
104} // namespace android
105