/* * Copyright (C) 2008 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. */ #ifndef ANDROID_SF_LAYER_STATE_H #define ANDROID_SF_LAYER_STATE_H #include <stdint.h> #include <sys/types.h> #include <utils/Errors.h> #include <ui/Region.h> #include <ui/Rect.h> namespace android { class Parcel; class ISurfaceComposerClient; struct layer_state_t { enum { eLayerHidden = 0x01, }; enum { ePositionChanged = 0x00000001, eLayerChanged = 0x00000002, eSizeChanged = 0x00000004, eAlphaChanged = 0x00000008, eMatrixChanged = 0x00000010, eTransparentRegionChanged = 0x00000020, eVisibilityChanged = 0x00000040, eLayerStackChanged = 0x00000080, eCropChanged = 0x00000100, }; layer_state_t() : what(0), x(0), y(0), z(0), w(0), h(0), layerStack(0), alpha(0), flags(0), mask(0), reserved(0) { matrix.dsdx = matrix.dtdy = 1.0f; matrix.dsdy = matrix.dtdx = 0.0f; crop.makeInvalid(); } status_t write(Parcel& output) const; status_t read(const Parcel& input); struct matrix22_t { float dsdx; float dtdx; float dsdy; float dtdy; }; sp<IBinder> surface; uint32_t what; float x; float y; uint32_t z; uint32_t w; uint32_t h; uint32_t layerStack; float alpha; uint8_t flags; uint8_t mask; uint8_t reserved; matrix22_t matrix; Rect crop; // non POD must be last. see write/read Region transparentRegion; }; struct ComposerState { sp<ISurfaceComposerClient> client; layer_state_t state; status_t write(Parcel& output) const; status_t read(const Parcel& input); }; struct DisplayState { enum { eOrientationDefault = 0, eOrientation90 = 1, eOrientation180 = 2, eOrientation270 = 3, eOrientationUnchanged = 4, eOrientationSwapMask = 0x01 }; enum { eSurfaceChanged = 0x01, eLayerStackChanged = 0x02, eDisplayProjectionChanged = 0x04 }; uint32_t what; sp<IBinder> token; sp<IGraphicBufferProducer> surface; uint32_t layerStack; uint32_t orientation; Rect viewport; Rect frame; status_t write(Parcel& output) const; status_t read(const Parcel& input); }; }; // namespace android #endif // ANDROID_SF_LAYER_STATE_H