1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <utils/Errors.h> 18 #include <binder/Parcel.h> 19 #include <gui/ISurfaceComposerClient.h> 20 #include <gui/ISurfaceTexture.h> 21 #include <private/gui/LayerState.h> 22 23 namespace android { 24 25 status_t layer_state_t::write(Parcel& output) const 26 { 27 status_t err; 28 29 err = output.write(transparentRegion); 30 if (err < NO_ERROR) return err; 31 32 // NOTE: regions are at the end of the structure 33 size_t size = sizeof(layer_state_t); 34 size -= sizeof(transparentRegion); 35 err = output.write(this, size); 36 return err; 37 } 38 39 status_t layer_state_t::read(const Parcel& input) 40 { 41 status_t err; 42 43 err = input.read(transparentRegion); 44 if (err < NO_ERROR) return err; 45 46 // NOTE: regions are at the end of the structure 47 size_t size = sizeof(layer_state_t); 48 size -= sizeof(transparentRegion); 49 input.read(this, size); 50 return NO_ERROR; 51 } 52 53 status_t ComposerState::write(Parcel& output) const { 54 output.writeStrongBinder(client->asBinder()); 55 return state.write(output); 56 } 57 58 status_t ComposerState::read(const Parcel& input) { 59 client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder()); 60 return state.read(input); 61 } 62 63 64 status_t DisplayState::write(Parcel& output) const { 65 output.writeStrongBinder(token); 66 output.writeStrongBinder(surface->asBinder()); 67 output.writeInt32(what); 68 output.writeInt32(layerStack); 69 output.writeInt32(orientation); 70 output.write(viewport); 71 output.write(frame); 72 return NO_ERROR; 73 } 74 75 status_t DisplayState::read(const Parcel& input) { 76 token = input.readStrongBinder(); 77 surface = interface_cast<ISurfaceTexture>(input.readStrongBinder()); 78 what = input.readInt32(); 79 layerStack = input.readInt32(); 80 orientation = input.readInt32(); 81 input.read(viewport); 82 input.read(frame); 83 return NO_ERROR; 84 } 85 86 87 }; // namespace android 88
