d87f162026
this is the first step in unifying surfacetexture and surface. for this reason the header files were not moved, as most of them will eventually go away. NOTE: currently we keep libsurfaceflinger_client.so as an empty library to workaround prebuilt binaries wrongly linking against it. Change-Id: I130f0de2428e8579033dc41394d093f4e1431a00
327 lines
12 KiB
C++
327 lines
12 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 <surfaceflinger/ISurfaceComposer.h>
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#include <ui/DisplayInfo.h>
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#include <utils/Log.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<IGraphicBufferAlloc> createGraphicBufferAlloc()
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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_GRAPHIC_BUFFER_ALLOC, data, &reply);
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return interface_cast<IGraphicBufferAlloc>(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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uint32_t minLayerZ, uint32_t maxLayerZ)
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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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data.writeInt32(minLayerZ);
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data.writeInt32(maxLayerZ);
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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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virtual bool authenticateSurface(const sp<ISurface>& surface) const
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{
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Parcel data, reply;
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int err = NO_ERROR;
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err = data.writeInterfaceToken(
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ISurfaceComposer::getInterfaceDescriptor());
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if (err != NO_ERROR) {
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LOGE("ISurfaceComposer::authenticateSurface: error writing "
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"interface descriptor: %s (%d)", strerror(-err), -err);
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return false;
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}
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err = data.writeStrongBinder(surface->asBinder());
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if (err != NO_ERROR) {
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LOGE("ISurfaceComposer::authenticateSurface: error writing strong "
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"binder to parcel: %s (%d)", strerror(-err), -err);
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return false;
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}
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err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data,
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&reply);
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if (err != NO_ERROR) {
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LOGE("ISurfaceComposer::authenticateSurface: error performing "
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"transaction: %s (%d)", strerror(-err), -err);
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return false;
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}
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int32_t result = 0;
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err = reply.readInt32(&result);
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if (err != NO_ERROR) {
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LOGE("ISurfaceComposer::authenticateSurface: error retrieving "
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"result: %s (%d)", strerror(-err), -err);
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return false;
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}
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return result != 0;
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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 CREATE_GRAPHIC_BUFFER_ALLOC: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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sp<IBinder> b = createGraphicBufferAlloc()->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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uint32_t minLayerZ = data.readInt32();
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uint32_t maxLayerZ = 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, minLayerZ, maxLayerZ);
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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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case AUTHENTICATE_SURFACE: {
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CHECK_INTERFACE(ISurfaceComposer, data, reply);
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sp<ISurface> surface = interface_cast<ISurface>(data.readStrongBinder());
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int32_t result = authenticateSurface(surface) ? 1 : 0;
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reply->writeInt32(result);
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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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