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 28 namespace android { 29 30 namespace { // Anonymous 31 32 enum 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 42 class BpSurfaceComposerClient : public SafeBpInterface<ISurfaceComposerClient> { 43 public: 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, int32_t windowType, 51 int32_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) 80 BpSurfaceComposerClient::~BpSurfaceComposerClient() {} 81 82 IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient"); 83 84 // ---------------------------------------------------------------------- 85 86 status_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