/* * 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 <stdio.h> #include <stdint.h> #include <sys/types.h> #include <binder/Parcel.h> #include <binder/IMemory.h> #include <binder/IPCThreadState.h> #include <binder/IServiceManager.h> #include <ui/Point.h> #include <ui/Rect.h> #include <gui/ISurface.h> #include <gui/ISurfaceComposerClient.h> #include <private/gui/LayerState.h> // --------------------------------------------------------------------------- namespace android { enum { CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION, DESTROY_SURFACE }; class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient> { public: BpSurfaceComposerClient(const sp<IBinder>& impl) : BpInterface<ISurfaceComposerClient>(impl) { } virtual sp<ISurface> createSurface( surface_data_t* params, const String8& name, DisplayID display, uint32_t w, uint32_t h, PixelFormat format, uint32_t flags) { Parcel data, reply; data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor()); data.writeString8(name); data.writeInt32(display); data.writeInt32(w); data.writeInt32(h); data.writeInt32(format); data.writeInt32(flags); remote()->transact(CREATE_SURFACE, data, &reply); params->readFromParcel(reply); return interface_cast<ISurface>(reply.readStrongBinder()); } virtual status_t destroySurface(SurfaceID sid) { Parcel data, reply; data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor()); data.writeInt32(sid); remote()->transact(DESTROY_SURFACE, data, &reply); return reply.readInt32(); } }; IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient"); // ---------------------------------------------------------------------- status_t BnSurfaceComposerClient::onTransact( uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { switch(code) { case CREATE_SURFACE: { CHECK_INTERFACE(ISurfaceComposerClient, data, reply); surface_data_t params; String8 name = data.readString8(); DisplayID display = data.readInt32(); uint32_t w = data.readInt32(); uint32_t h = data.readInt32(); PixelFormat format = data.readInt32(); uint32_t flags = data.readInt32(); sp<ISurface> s = createSurface(¶ms, name, display, w, h, format, flags); params.writeToParcel(reply); reply->writeStrongBinder(s->asBinder()); return NO_ERROR; } break; case DESTROY_SURFACE: { CHECK_INTERFACE(ISurfaceComposerClient, data, reply); reply->writeInt32( destroySurface( data.readInt32() ) ); return NO_ERROR; } break; default: return BBinder::onTransact(code, data, reply, flags); } } // ---------------------------------------------------------------------- status_t ISurfaceComposerClient::surface_data_t::readFromParcel(const Parcel& parcel) { token = parcel.readInt32(); identity = parcel.readInt32(); return NO_ERROR; } status_t ISurfaceComposerClient::surface_data_t::writeToParcel(Parcel* parcel) const { parcel->writeInt32(token); parcel->writeInt32(identity); return NO_ERROR; } }; // namespace android