/* * 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 #include #include #include #include #include #include #include #include #include #include #include // --------------------------------------------------------------------------- namespace android { enum { CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION, DESTROY_SURFACE, CLEAR_LAYER_FRAME_STATS, GET_LAYER_FRAME_STATS }; class BpSurfaceComposerClient : public BpInterface { public: BpSurfaceComposerClient(const sp& impl) : BpInterface(impl) { } virtual status_t createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format, uint32_t flags, sp* handle, sp* gbp) { Parcel data, reply; data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor()); data.writeString8(name); data.writeInt32(w); data.writeInt32(h); data.writeInt32(format); data.writeInt32(flags); remote()->transact(CREATE_SURFACE, data, &reply); *handle = reply.readStrongBinder(); *gbp = interface_cast(reply.readStrongBinder()); return reply.readInt32(); } virtual status_t destroySurface(const sp& handle) { Parcel data, reply; data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor()); data.writeStrongBinder(handle); remote()->transact(DESTROY_SURFACE, data, &reply); return reply.readInt32(); } virtual status_t clearLayerFrameStats(const sp& handle) const { Parcel data, reply; data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor()); data.writeStrongBinder(handle); remote()->transact(CLEAR_LAYER_FRAME_STATS, data, &reply); return reply.readInt32(); } virtual status_t getLayerFrameStats(const sp& handle, FrameStats* outStats) const { Parcel data, reply; data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor()); data.writeStrongBinder(handle); remote()->transact(GET_LAYER_FRAME_STATS, data, &reply); reply.read(*outStats); 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); String8 name = data.readString8(); uint32_t w = data.readInt32(); uint32_t h = data.readInt32(); PixelFormat format = data.readInt32(); uint32_t flags = data.readInt32(); sp handle; sp gbp; status_t result = createSurface(name, w, h, format, flags, &handle, &gbp); reply->writeStrongBinder(handle); reply->writeStrongBinder(IInterface::asBinder(gbp)); reply->writeInt32(result); return NO_ERROR; } break; case DESTROY_SURFACE: { CHECK_INTERFACE(ISurfaceComposerClient, data, reply); reply->writeInt32(destroySurface( data.readStrongBinder() ) ); return NO_ERROR; } break; case CLEAR_LAYER_FRAME_STATS: { CHECK_INTERFACE(ISurfaceComposerClient, data, reply); sp handle = data.readStrongBinder(); status_t result = clearLayerFrameStats(handle); reply->writeInt32(result); return NO_ERROR; } break; case GET_LAYER_FRAME_STATS: { CHECK_INTERFACE(ISurfaceComposerClient, data, reply); sp handle = data.readStrongBinder(); FrameStats stats; status_t result = getLayerFrameStats(handle, &stats); reply->write(stats); reply->writeInt32(result); return NO_ERROR; } break; default: return BBinder::onTransact(code, data, reply, flags); } } }; // namespace android