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143 lines
4.1 KiB
143 lines
4.1 KiB
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_SF_LAYER_STATE_H
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#define ANDROID_SF_LAYER_STATE_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Errors.h>
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#include <ui/Region.h>
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#include <ui/Rect.h>
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namespace android {
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class Parcel;
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class ISurfaceComposerClient;
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/*
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* Used to communicate layer information between SurfaceFlinger and its clients.
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*/
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struct layer_state_t {
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enum {
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eLayerHidden = 0x01, // SURFACE_HIDDEN in SurfaceControl.java
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eLayerOpaque = 0x02, // SURFACE_OPAQUE
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eLayerSecure = 0x80, // SECURE
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};
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enum {
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ePositionChanged = 0x00000001,
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eLayerChanged = 0x00000002,
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eSizeChanged = 0x00000004,
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eAlphaChanged = 0x00000008,
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eMatrixChanged = 0x00000010,
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eTransparentRegionChanged = 0x00000020,
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eFlagsChanged = 0x00000040,
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eLayerStackChanged = 0x00000080,
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eCropChanged = 0x00000100,
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eBlurChanged = 0x00400000,
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eBlurMaskSurfaceChanged = 0x00800000,
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eBlurMaskSamplingChanged = 0x01000000,
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eBlurMaskAlphaThresholdChanged = 0x02000000,
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};
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layer_state_t()
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: what(0),
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x(0), y(0), z(0), w(0), h(0), layerStack(0), blur(0),
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blurMaskSampling(0), blurMaskAlphaThreshold(0), alpha(0), flags(0), mask(0),
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reserved(0)
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{
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matrix.dsdx = matrix.dtdy = 1.0f;
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matrix.dsdy = matrix.dtdx = 0.0f;
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crop.makeInvalid();
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}
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status_t write(Parcel& output) const;
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status_t read(const Parcel& input);
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struct matrix22_t {
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float dsdx;
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float dtdx;
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float dsdy;
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float dtdy;
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};
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sp<IBinder> surface;
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uint32_t what;
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float x;
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float y;
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uint32_t z;
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uint32_t w;
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uint32_t h;
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uint32_t layerStack;
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float blur;
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sp<IBinder> blurMaskSurface;
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uint32_t blurMaskSampling;
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float blurMaskAlphaThreshold;
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float alpha;
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uint8_t flags;
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uint8_t mask;
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uint8_t reserved;
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matrix22_t matrix;
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Rect crop;
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// non POD must be last. see write/read
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Region transparentRegion;
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};
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struct ComposerState {
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sp<ISurfaceComposerClient> client;
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layer_state_t state;
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status_t write(Parcel& output) const;
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status_t read(const Parcel& input);
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};
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struct DisplayState {
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enum {
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eOrientationDefault = 0,
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eOrientation90 = 1,
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eOrientation180 = 2,
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eOrientation270 = 3,
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eOrientationUnchanged = 4,
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eOrientationSwapMask = 0x01
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};
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enum {
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eSurfaceChanged = 0x01,
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eLayerStackChanged = 0x02,
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eDisplayProjectionChanged = 0x04,
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eDisplaySizeChanged = 0x08
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};
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uint32_t what;
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sp<IBinder> token;
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sp<IGraphicBufferProducer> surface;
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uint32_t layerStack;
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uint32_t orientation;
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Rect viewport;
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Rect frame;
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uint32_t width, height;
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status_t write(Parcel& output) const;
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status_t read(const Parcel& input);
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};
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}; // namespace android
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#endif // ANDROID_SF_LAYER_STATE_H
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