987034b563
Native changes to add blur-behind and blur mask effect Change-Id: I54faf82d750e8299de6d261f6a893ab26d08df84 SurfaceFlinger: Adding template for LayerBlur files Change-Id: I444009113b7bdd6c5284863fd1f56358e67d9fe6 SurfaceFlinger: Featurize libuiblur module for OSS build Change-Id: Ifdc176e699434125d17b111c044b8ba954cf717c
243 lines
9.1 KiB
C++
243 lines
9.1 KiB
C++
/*
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* Copyright (C) 2007 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_GUI_SURFACE_COMPOSER_CLIENT_H
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#define ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <binder/IBinder.h>
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#include <binder/IMemory.h>
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#include <utils/RefBase.h>
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#include <utils/Singleton.h>
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#include <utils/SortedVector.h>
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#include <utils/threads.h>
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#include <ui/FrameStats.h>
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#include <ui/PixelFormat.h>
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#include <gui/CpuConsumer.h>
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#include <gui/SurfaceControl.h>
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namespace android {
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// ---------------------------------------------------------------------------
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class DisplayInfo;
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class Composer;
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class ISurfaceComposerClient;
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class IGraphicBufferProducer;
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class Region;
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// ---------------------------------------------------------------------------
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class SurfaceComposerClient : public RefBase
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{
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friend class Composer;
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public:
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SurfaceComposerClient();
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virtual ~SurfaceComposerClient();
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// Always make sure we could initialize
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status_t initCheck() const;
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// Return the connection of this client
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sp<IBinder> connection() const;
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// Forcibly remove connection before all references have gone away.
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void dispose();
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// callback when the composer is dies
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status_t linkToComposerDeath(const sp<IBinder::DeathRecipient>& recipient,
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void* cookie = NULL, uint32_t flags = 0);
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// Get a list of supported configurations for a given display
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static status_t getDisplayConfigs(const sp<IBinder>& display,
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Vector<DisplayInfo>* configs);
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// Get the DisplayInfo for the currently-active configuration
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static status_t getDisplayInfo(const sp<IBinder>& display,
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DisplayInfo* info);
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// Get the index of the current active configuration (relative to the list
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// returned by getDisplayInfo)
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static int getActiveConfig(const sp<IBinder>& display);
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// Set a new active configuration using an index relative to the list
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// returned by getDisplayInfo
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static status_t setActiveConfig(const sp<IBinder>& display, int id);
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/* Triggers screen on/off or low power mode and waits for it to complete */
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static void setDisplayPowerMode(const sp<IBinder>& display, int mode);
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// ------------------------------------------------------------------------
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// surface creation / destruction
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//! Create a surface
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sp<SurfaceControl> createSurface(
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const String8& name,// name of the surface
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uint32_t w, // width in pixel
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uint32_t h, // height in pixel
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PixelFormat format, // pixel-format desired
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uint32_t flags = 0 // usage flags
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);
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//! Create a virtual display
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static sp<IBinder> createDisplay(const String8& displayName, bool secure);
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//! Destroy a virtual display
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static void destroyDisplay(const sp<IBinder>& display);
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//! Get the token for the existing default displays.
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//! Possible values for id are eDisplayIdMain and eDisplayIdHdmi.
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static sp<IBinder> getBuiltInDisplay(int32_t id);
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// ------------------------------------------------------------------------
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// Composer parameters
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// All composer parameters must be changed within a transaction
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// several surfaces can be updated in one transaction, all changes are
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// committed at once when the transaction is closed.
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// closeGlobalTransaction() requires an IPC with the server.
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//! Open a composer transaction on all active SurfaceComposerClients.
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static void openGlobalTransaction();
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//! Close a composer transaction on all active SurfaceComposerClients.
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static void closeGlobalTransaction(bool synchronous = false);
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//! Flag the currently open transaction as an animation transaction.
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static void setAnimationTransaction();
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status_t hide(const sp<IBinder>& id);
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status_t show(const sp<IBinder>& id);
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status_t setFlags(const sp<IBinder>& id, uint32_t flags, uint32_t mask);
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status_t setTransparentRegionHint(const sp<IBinder>& id, const Region& transparent);
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status_t setLayer(const sp<IBinder>& id, uint32_t layer);
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status_t setAlpha(const sp<IBinder>& id, float alpha=1.0f);
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status_t setMatrix(const sp<IBinder>& id, float dsdx, float dtdx, float dsdy, float dtdy);
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status_t setPosition(const sp<IBinder>& id, float x, float y);
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status_t setSize(const sp<IBinder>& id, uint32_t w, uint32_t h);
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status_t setCrop(const sp<IBinder>& id, const Rect& crop);
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status_t setLayerStack(const sp<IBinder>& id, uint32_t layerStack);
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status_t destroySurface(const sp<IBinder>& id);
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status_t clearLayerFrameStats(const sp<IBinder>& token) const;
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status_t getLayerFrameStats(const sp<IBinder>& token, FrameStats* outStats) const;
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static status_t clearAnimationFrameStats();
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static status_t getAnimationFrameStats(FrameStats* outStats);
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static void setDisplaySurface(const sp<IBinder>& token,
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const sp<IGraphicBufferProducer>& bufferProducer);
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static void setDisplayLayerStack(const sp<IBinder>& token,
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uint32_t layerStack);
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static void setDisplaySize(const sp<IBinder>& token, uint32_t width, uint32_t height);
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/* setDisplayProjection() defines the projection of layer stacks
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* to a given display.
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*
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* - orientation defines the display's orientation.
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* - layerStackRect defines which area of the window manager coordinate
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* space will be used.
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* - displayRect defines where on the display will layerStackRect be
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* mapped to. displayRect is specified post-orientation, that is
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* it uses the orientation seen by the end-user.
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*/
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static void setDisplayProjection(const sp<IBinder>& token,
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uint32_t orientation,
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const Rect& layerStackRect,
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const Rect& displayRect);
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status_t setBlur(const sp<IBinder>& id, float blur);
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status_t setBlurMaskSurface(const sp<IBinder>& id, const sp<IBinder>& maskSurfaceId);
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status_t setBlurMaskSampling(const sp<IBinder>& id, uint32_t blurMaskSampling);
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status_t setBlurMaskAlphaThreshold(const sp<IBinder>& id, float alpha);
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private:
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virtual void onFirstRef();
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Composer& getComposer();
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mutable Mutex mLock;
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status_t mStatus;
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sp<ISurfaceComposerClient> mClient;
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Composer& mComposer;
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};
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// ---------------------------------------------------------------------------
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class ScreenshotClient
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{
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public:
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// if cropping isn't required, callers may pass in a default Rect, e.g.:
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// capture(display, producer, Rect(), reqWidth, ...);
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static status_t capture(
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const sp<IBinder>& display,
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const sp<IGraphicBufferProducer>& producer,
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Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
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uint32_t minLayerZ, uint32_t maxLayerZ,
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bool useIdentityTransform);
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private:
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mutable sp<CpuConsumer> mCpuConsumer;
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mutable sp<IGraphicBufferProducer> mProducer;
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CpuConsumer::LockedBuffer mBuffer;
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bool mHaveBuffer;
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public:
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ScreenshotClient();
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~ScreenshotClient();
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// frees the previous screenshot and captures a new one
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// if cropping isn't required, callers may pass in a default Rect, e.g.:
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// update(display, Rect(), useIdentityTransform);
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status_t update(const sp<IBinder>& display,
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Rect sourceCrop, bool useIdentityTransform);
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status_t update(const sp<IBinder>& display,
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Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
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bool useIdentityTransform);
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status_t update(const sp<IBinder>& display,
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Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
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uint32_t minLayerZ, uint32_t maxLayerZ,
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bool useIdentityTransform);
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status_t update(const sp<IBinder>& display,
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Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
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uint32_t minLayerZ, uint32_t maxLayerZ,
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bool useIdentityTransform, uint32_t rotation);
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sp<CpuConsumer> getCpuConsumer() const;
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// release memory occupied by the screenshot
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void release();
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// pixels are valid until this object is freed or
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// release() or update() is called
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void const* getPixels() const;
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uint32_t getWidth() const;
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uint32_t getHeight() const;
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PixelFormat getFormat() const;
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uint32_t getStride() const;
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// size of allocated memory in bytes
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size_t getSize() const;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
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