diff options
Diffstat (limited to 'libs/gui/ISurfaceComposer.cpp')
| -rw-r--r-- | libs/gui/ISurfaceComposer.cpp | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp new file mode 100644 index 0000000..8951c3f --- /dev/null +++ b/libs/gui/ISurfaceComposer.cpp @@ -0,0 +1,326 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// tag as surfaceflinger +#define LOG_TAG "SurfaceFlinger" + +#include <stdint.h> +#include <sys/types.h> + +#include <binder/Parcel.h> +#include <binder/IMemory.h> +#include <binder/IPCThreadState.h> +#include <binder/IServiceManager.h> + +#include <surfaceflinger/ISurfaceComposer.h> + +#include <ui/DisplayInfo.h> + +#include <utils/Log.h> + +// --------------------------------------------------------------------------- + +#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) +#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) + +// --------------------------------------------------------------------------- + +namespace android { + +class BpSurfaceComposer : public BpInterface<ISurfaceComposer> +{ +public: + BpSurfaceComposer(const sp<IBinder>& impl) + : BpInterface<ISurfaceComposer>(impl) + { + } + + virtual sp<ISurfaceComposerClient> createConnection() + { + uint32_t n; + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply); + return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder()); + } + + virtual sp<ISurfaceComposerClient> createClientConnection() + { + uint32_t n; + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::CREATE_CLIENT_CONNECTION, data, &reply); + return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder()); + } + + virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc() + { + uint32_t n; + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::CREATE_GRAPHIC_BUFFER_ALLOC, data, &reply); + return interface_cast<IGraphicBufferAlloc>(reply.readStrongBinder()); + } + + virtual sp<IMemoryHeap> getCblk() const + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::GET_CBLK, data, &reply); + return interface_cast<IMemoryHeap>(reply.readStrongBinder()); + } + + virtual void openGlobalTransaction() + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::OPEN_GLOBAL_TRANSACTION, data, &reply); + } + + virtual void closeGlobalTransaction() + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::CLOSE_GLOBAL_TRANSACTION, data, &reply); + } + + virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(dpy); + data.writeInt32(flags); + remote()->transact(BnSurfaceComposer::FREEZE_DISPLAY, data, &reply); + return reply.readInt32(); + } + + virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(dpy); + data.writeInt32(flags); + remote()->transact(BnSurfaceComposer::UNFREEZE_DISPLAY, data, &reply); + return reply.readInt32(); + } + + virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(dpy); + data.writeInt32(orientation); + data.writeInt32(flags); + remote()->transact(BnSurfaceComposer::SET_ORIENTATION, data, &reply); + return reply.readInt32(); + } + + virtual void bootFinished() + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply); + } + + virtual status_t captureScreen(DisplayID dpy, + sp<IMemoryHeap>* heap, + uint32_t* width, uint32_t* height, PixelFormat* format, + uint32_t reqWidth, uint32_t reqHeight, + uint32_t minLayerZ, uint32_t maxLayerZ) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(dpy); + data.writeInt32(reqWidth); + data.writeInt32(reqHeight); + data.writeInt32(minLayerZ); + data.writeInt32(maxLayerZ); + remote()->transact(BnSurfaceComposer::CAPTURE_SCREEN, data, &reply); + *heap = interface_cast<IMemoryHeap>(reply.readStrongBinder()); + *width = reply.readInt32(); + *height = reply.readInt32(); + *format = reply.readInt32(); + return reply.readInt32(); + } + + virtual status_t turnElectronBeamOff(int32_t mode) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(mode); + remote()->transact(BnSurfaceComposer::TURN_ELECTRON_BEAM_OFF, data, &reply); + return reply.readInt32(); + } + + virtual status_t turnElectronBeamOn(int32_t mode) + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + data.writeInt32(mode); + remote()->transact(BnSurfaceComposer::TURN_ELECTRON_BEAM_ON, data, &reply); + return reply.readInt32(); + } + + virtual void signal() const + { + Parcel data, reply; + data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); + remote()->transact(BnSurfaceComposer::SIGNAL, data, &reply, IBinder::FLAG_ONEWAY); + } + + virtual bool authenticateSurface(const sp<ISurface>& surface) const + { + Parcel data, reply; + int err = NO_ERROR; + err = data.writeInterfaceToken( + ISurfaceComposer::getInterfaceDescriptor()); + if (err != NO_ERROR) { + LOGE("ISurfaceComposer::authenticateSurface: error writing " + "interface descriptor: %s (%d)", strerror(-err), -err); + return false; + } + err = data.writeStrongBinder(surface->asBinder()); + if (err != NO_ERROR) { + LOGE("ISurfaceComposer::authenticateSurface: error writing strong " + "binder to parcel: %s (%d)", strerror(-err), -err); + return false; + } + err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data, + &reply); + if (err != NO_ERROR) { + LOGE("ISurfaceComposer::authenticateSurface: error performing " + "transaction: %s (%d)", strerror(-err), -err); + return false; + } + int32_t result = 0; + err = reply.readInt32(&result); + if (err != NO_ERROR) { + LOGE("ISurfaceComposer::authenticateSurface: error retrieving " + "result: %s (%d)", strerror(-err), -err); + return false; + } + return result != 0; + } +}; + +IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer"); + +// ---------------------------------------------------------------------- + +status_t BnSurfaceComposer::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + switch(code) { + case CREATE_CONNECTION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + sp<IBinder> b = createConnection()->asBinder(); + reply->writeStrongBinder(b); + } break; + case CREATE_CLIENT_CONNECTION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + sp<IBinder> b = createClientConnection()->asBinder(); + reply->writeStrongBinder(b); + } break; + case CREATE_GRAPHIC_BUFFER_ALLOC: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + sp<IBinder> b = createGraphicBufferAlloc()->asBinder(); + reply->writeStrongBinder(b); + } break; + case OPEN_GLOBAL_TRANSACTION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + openGlobalTransaction(); + } break; + case CLOSE_GLOBAL_TRANSACTION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + closeGlobalTransaction(); + } break; + case SET_ORIENTATION: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + DisplayID dpy = data.readInt32(); + int orientation = data.readInt32(); + uint32_t flags = data.readInt32(); + reply->writeInt32( setOrientation(dpy, orientation, flags) ); + } break; + case FREEZE_DISPLAY: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + DisplayID dpy = data.readInt32(); + uint32_t flags = data.readInt32(); + reply->writeInt32( freezeDisplay(dpy, flags) ); + } break; + case UNFREEZE_DISPLAY: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + DisplayID dpy = data.readInt32(); + uint32_t flags = data.readInt32(); + reply->writeInt32( unfreezeDisplay(dpy, flags) ); + } break; + case BOOT_FINISHED: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + bootFinished(); + } break; + case SIGNAL: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + signal(); + } break; + case GET_CBLK: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + sp<IBinder> b = getCblk()->asBinder(); + reply->writeStrongBinder(b); + } break; + case CAPTURE_SCREEN: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + DisplayID dpy = data.readInt32(); + uint32_t reqWidth = data.readInt32(); + uint32_t reqHeight = data.readInt32(); + uint32_t minLayerZ = data.readInt32(); + uint32_t maxLayerZ = data.readInt32(); + sp<IMemoryHeap> heap; + uint32_t w, h; + PixelFormat f; + status_t res = captureScreen(dpy, &heap, &w, &h, &f, + reqWidth, reqHeight, minLayerZ, maxLayerZ); + reply->writeStrongBinder(heap->asBinder()); + reply->writeInt32(w); + reply->writeInt32(h); + reply->writeInt32(f); + reply->writeInt32(res); + } break; + case TURN_ELECTRON_BEAM_OFF: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + int32_t mode = data.readInt32(); + status_t res = turnElectronBeamOff(mode); + reply->writeInt32(res); + } break; + case TURN_ELECTRON_BEAM_ON: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + int32_t mode = data.readInt32(); + status_t res = turnElectronBeamOn(mode); + reply->writeInt32(res); + } break; + case AUTHENTICATE_SURFACE: { + CHECK_INTERFACE(ISurfaceComposer, data, reply); + sp<ISurface> surface = interface_cast<ISurface>(data.readStrongBinder()); + int32_t result = authenticateSurface(surface) ? 1 : 0; + reply->writeInt32(result); + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } + return NO_ERROR; +} + +// ---------------------------------------------------------------------------- + +}; |