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 #ifndef ANDROID_SF_LAYER_STATE_H 18 #define ANDROID_SF_LAYER_STATE_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/Errors.h> 24 25 #include <ui/Region.h> 26 #include <ui/Rect.h> 27 #include <gui/ISurface.h> 28 29 namespace android { 30 31 class Parcel; 32 class ISurfaceComposerClient; 33 34 struct layer_state_t { 35 36 layer_state_t() 37 : surface(0), what(0), 38 x(0), y(0), z(0), w(0), h(0), 39 alpha(0), tint(0), flags(0), mask(0), 40 reserved(0) 41 { 42 matrix.dsdx = matrix.dtdy = 1.0f; 43 matrix.dsdy = matrix.dtdx = 0.0f; 44 crop.makeInvalid(); 45 } 46 47 status_t write(Parcel& output) const; 48 status_t read(const Parcel& input); 49 50 struct matrix22_t { 51 float dsdx; 52 float dtdx; 53 float dsdy; 54 float dtdy; 55 }; 56 SurfaceID surface; 57 uint32_t what; 58 float x; 59 float y; 60 uint32_t z; 61 uint32_t w; 62 uint32_t h; 63 float alpha; 64 uint32_t tint; 65 uint8_t flags; 66 uint8_t mask; 67 uint8_t reserved; 68 matrix22_t matrix; 69 Rect crop; 70 // non POD must be last. see write/read 71 Region transparentRegion; 72 }; 73 74 struct ComposerState { 75 sp<ISurfaceComposerClient> client; 76 layer_state_t state; 77 status_t write(Parcel& output) const; 78 status_t read(const Parcel& input); 79 }; 80 81 }; // namespace android 82 83 #endif // ANDROID_SF_LAYER_STATE_H 84 85
