238bec1ceb
Two of the cases in the ISurfaceComposer onTransact switch statement were missing 'break' statements at the end, and would fall through to the next case block. This change adds those break statements. Change-Id: I6dcc84263d3ea03d94612c667103283846b3dee1
266 lines
9.4 KiB
C++
266 lines
9.4 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// tag as surfaceflinger
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#define LOG_TAG "SurfaceFlinger"
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#include <stdint.h>
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#include <sys/types.h>
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#include <binder/Parcel.h>
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#include <binder/IMemory.h>
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#include <binder/IPCThreadState.h>
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#include <binder/IServiceManager.h>
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#include <ui/DisplayInfo.h>
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#include <surfaceflinger/ISurfaceComposer.h>
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// ---------------------------------------------------------------------------
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#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
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#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
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// ---------------------------------------------------------------------------
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namespace android {
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class BpSurfaceComposer : public BpInterface<ISurfaceComposer>
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{
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public:
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BpSurfaceComposer(const sp<IBinder>& impl)
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: BpInterface<ISurfaceComposer>(impl)
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{
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}
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virtual sp<ISurfaceComposerClient> createConnection()
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{
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uint32_t n;
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
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return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
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}
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virtual sp<ISurfaceComposerClient> createClientConnection()
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{
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uint32_t n;
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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remote()->transact(BnSurfaceComposer::CREATE_CLIENT_CONNECTION, data, &reply);
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return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
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}
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virtual sp<IMemoryHeap> getCblk() const
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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remote()->transact(BnSurfaceComposer::GET_CBLK, data, &reply);
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return interface_cast<IMemoryHeap>(reply.readStrongBinder());
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}
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virtual void openGlobalTransaction()
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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remote()->transact(BnSurfaceComposer::OPEN_GLOBAL_TRANSACTION, data, &reply);
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}
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virtual void closeGlobalTransaction()
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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remote()->transact(BnSurfaceComposer::CLOSE_GLOBAL_TRANSACTION, data, &reply);
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}
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virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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data.writeInt32(dpy);
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data.writeInt32(flags);
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remote()->transact(BnSurfaceComposer::FREEZE_DISPLAY, data, &reply);
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return reply.readInt32();
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}
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virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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data.writeInt32(dpy);
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data.writeInt32(flags);
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remote()->transact(BnSurfaceComposer::UNFREEZE_DISPLAY, data, &reply);
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return reply.readInt32();
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}
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virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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data.writeInt32(dpy);
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data.writeInt32(orientation);
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data.writeInt32(flags);
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remote()->transact(BnSurfaceComposer::SET_ORIENTATION, data, &reply);
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return reply.readInt32();
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}
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virtual void bootFinished()
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply);
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}
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virtual status_t captureScreen(DisplayID dpy,
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sp<IMemoryHeap>* heap,
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uint32_t* width, uint32_t* height, PixelFormat* format,
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uint32_t reqWidth, uint32_t reqHeight)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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data.writeInt32(dpy);
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data.writeInt32(reqWidth);
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data.writeInt32(reqHeight);
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remote()->transact(BnSurfaceComposer::CAPTURE_SCREEN, data, &reply);
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*heap = interface_cast<IMemoryHeap>(reply.readStrongBinder());
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*width = reply.readInt32();
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*height = reply.readInt32();
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*format = reply.readInt32();
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return reply.readInt32();
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}
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virtual status_t turnElectronBeamOff(int32_t mode)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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data.writeInt32(mode);
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remote()->transact(BnSurfaceComposer::TURN_ELECTRON_BEAM_OFF, data, &reply);
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return reply.readInt32();
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}
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virtual status_t turnElectronBeamOn(int32_t mode)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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data.writeInt32(mode);
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remote()->transact(BnSurfaceComposer::TURN_ELECTRON_BEAM_ON, data, &reply);
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return reply.readInt32();
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}
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virtual void signal() const
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
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remote()->transact(BnSurfaceComposer::SIGNAL, data, &reply, IBinder::FLAG_ONEWAY);
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}
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};
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IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer");
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// ----------------------------------------------------------------------
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status_t BnSurfaceComposer::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case CREATE_CONNECTION: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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sp<IBinder> b = createConnection()->asBinder();
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reply->writeStrongBinder(b);
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} break;
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case CREATE_CLIENT_CONNECTION: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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sp<IBinder> b = createClientConnection()->asBinder();
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reply->writeStrongBinder(b);
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} break;
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case OPEN_GLOBAL_TRANSACTION: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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openGlobalTransaction();
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} break;
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case CLOSE_GLOBAL_TRANSACTION: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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closeGlobalTransaction();
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} break;
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case SET_ORIENTATION: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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DisplayID dpy = data.readInt32();
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int orientation = data.readInt32();
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uint32_t flags = data.readInt32();
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reply->writeInt32( setOrientation(dpy, orientation, flags) );
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} break;
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case FREEZE_DISPLAY: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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DisplayID dpy = data.readInt32();
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uint32_t flags = data.readInt32();
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reply->writeInt32( freezeDisplay(dpy, flags) );
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} break;
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case UNFREEZE_DISPLAY: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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DisplayID dpy = data.readInt32();
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uint32_t flags = data.readInt32();
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reply->writeInt32( unfreezeDisplay(dpy, flags) );
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} break;
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case BOOT_FINISHED: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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bootFinished();
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} break;
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case SIGNAL: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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signal();
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} break;
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case GET_CBLK: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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sp<IBinder> b = getCblk()->asBinder();
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reply->writeStrongBinder(b);
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} break;
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case CAPTURE_SCREEN: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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DisplayID dpy = data.readInt32();
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uint32_t reqWidth = data.readInt32();
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uint32_t reqHeight = data.readInt32();
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sp<IMemoryHeap> heap;
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uint32_t w, h;
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PixelFormat f;
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status_t res = captureScreen(dpy, &heap, &w, &h, &f,
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reqWidth, reqHeight);
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reply->writeStrongBinder(heap->asBinder());
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reply->writeInt32(w);
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reply->writeInt32(h);
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reply->writeInt32(f);
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reply->writeInt32(res);
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} break;
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case TURN_ELECTRON_BEAM_OFF: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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int32_t mode = data.readInt32();
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status_t res = turnElectronBeamOff(mode);
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reply->writeInt32(res);
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} break;
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case TURN_ELECTRON_BEAM_ON: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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int32_t mode = data.readInt32();
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status_t res = turnElectronBeamOn(mode);
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reply->writeInt32(res);
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} break;
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default:
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return BBinder::onTransact(code, data, reply, flags);
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}
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return NO_ERROR;
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}
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// ----------------------------------------------------------------------------
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};
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