bdbf6b094d
Merge commit '69a6c3ebd46a8de0e896747757f364322c12608d' * commit '69a6c3ebd46a8de0e896747757f364322c12608d': split boot animation out of SurfaceFlinger
436 lines
16 KiB
C++
436 lines
16 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_SURFACE_FLINGER_H
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#define ANDROID_SURFACE_FLINGER_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/SortedVector.h>
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#include <utils/KeyedVector.h>
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#include <utils/threads.h>
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#include <utils/Atomic.h>
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#include <utils/Errors.h>
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#include <binder/MemoryDealer.h>
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#include <ui/PixelFormat.h>
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#include <ui/ISurfaceComposer.h>
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#include <ui/ISurfaceFlingerClient.h>
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#include <private/ui/SharedState.h>
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#include <private/ui/LayerState.h>
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#include <private/ui/SurfaceFlingerSynchro.h>
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#include "Barrier.h"
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#include "CPUGauge.h"
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#include "Layer.h"
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#include "Tokenizer.h"
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struct copybit_device_t;
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struct overlay_device_t;
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namespace android {
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// ---------------------------------------------------------------------------
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class Client;
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class BClient;
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class DisplayHardware;
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class FreezeLock;
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class GPUHardwareInterface;
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class IGPUCallback;
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class Layer;
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class LayerBuffer;
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class LayerOrientationAnim;
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class OrientationAnimation;
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class SurfaceHeapManager;
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typedef int32_t ClientID;
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#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
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#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
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// ---------------------------------------------------------------------------
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class Client
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{
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public:
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Client(ClientID cid, const sp<SurfaceFlinger>& flinger);
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~Client();
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int32_t generateId(int pid);
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void free(int32_t id);
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status_t bindLayer(LayerBaseClient* layer, int32_t id);
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sp<MemoryDealer> createAllocator(uint32_t memory_type);
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inline bool isValid(int32_t i) const;
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inline const uint8_t* inUseArray() const;
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inline size_t numActiveLayers() const;
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LayerBaseClient* getLayerUser(int32_t i) const;
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const Vector<LayerBaseClient*>& getLayers() const { return mLayers; }
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const sp<IMemory>& controlBlockMemory() const { return mCblkMemory; }
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void dump(const char* what);
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const sp<SurfaceHeapManager>& getSurfaceHeapManager() const;
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// pointer to this client's control block
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per_client_cblk_t* ctrlblk;
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ClientID cid;
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private:
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int getClientPid() const { return mPid; }
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int mPid;
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uint32_t mBitmap;
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SortedVector<uint8_t> mInUse;
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Vector<LayerBaseClient*> mLayers;
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sp<MemoryDealer> mCblkHeap;
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sp<SurfaceFlinger> mFlinger;
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sp<MemoryDealer> mSharedHeapAllocator;
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sp<MemoryDealer> mPMemAllocator;
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sp<IMemory> mCblkMemory;
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};
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// ---------------------------------------------------------------------------
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class GraphicPlane
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{
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public:
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static status_t orientationToTransfrom(int orientation, int w, int h,
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Transform* tr);
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GraphicPlane();
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~GraphicPlane();
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bool initialized() const;
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void setDisplayHardware(DisplayHardware *);
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void setTransform(const Transform& tr);
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status_t setOrientation(int orientation);
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int getOrientation() const { return mOrientation; }
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const DisplayHardware& displayHardware() const;
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const Transform& transform() const;
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private:
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GraphicPlane(const GraphicPlane&);
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GraphicPlane operator = (const GraphicPlane&);
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DisplayHardware* mHw;
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Transform mTransform;
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Transform mOrientationTransform;
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Transform mGlobalTransform;
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int mOrientation;
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};
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// ---------------------------------------------------------------------------
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enum {
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eTransactionNeeded = 0x01,
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eTraversalNeeded = 0x02
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};
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class SurfaceFlinger : public BnSurfaceComposer, protected Thread
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{
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public:
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static void instantiate();
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static void shutdown();
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SurfaceFlinger();
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virtual ~SurfaceFlinger();
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void init();
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virtual status_t onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
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virtual status_t dump(int fd, const Vector<String16>& args);
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// ISurfaceComposer interface
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virtual sp<ISurfaceFlingerClient> createConnection();
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virtual sp<IMemory> getCblk() const;
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virtual void bootFinished();
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virtual void openGlobalTransaction();
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virtual void closeGlobalTransaction();
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virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags);
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virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags);
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virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags);
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virtual void signal() const;
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virtual status_t requestGPU(const sp<IGPUCallback>& callback,
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gpu_info_t* gpu);
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virtual status_t revokeGPU();
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void screenReleased(DisplayID dpy);
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void screenAcquired(DisplayID dpy);
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const sp<SurfaceHeapManager>& getSurfaceHeapManager() const {
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return mSurfaceHeapManager;
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}
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const sp<GPUHardwareInterface>& getGPU() const {
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return mGPU;
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}
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copybit_device_t* getBlitEngine() const;
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overlay_control_device_t* getOverlayEngine() const;
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status_t removeLayer(LayerBase* layer);
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status_t addLayer(LayerBase* layer);
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status_t invalidateLayerVisibility(LayerBase* layer);
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private:
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friend class BClient;
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friend class LayerBase;
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friend class LayerBuffer;
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friend class LayerBaseClient;
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friend class Layer;
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friend class LayerBlur;
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sp<ISurface> createSurface(ClientID client, int pid,
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ISurfaceFlingerClient::surface_data_t* params,
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DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
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uint32_t flags);
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LayerBaseClient* createNormalSurfaceLocked(Client* client, DisplayID display,
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int32_t id, uint32_t w, uint32_t h, PixelFormat format, uint32_t flags);
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LayerBaseClient* createBlurSurfaceLocked(Client* client, DisplayID display,
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int32_t id, uint32_t w, uint32_t h, uint32_t flags);
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LayerBaseClient* createDimSurfaceLocked(Client* client, DisplayID display,
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int32_t id, uint32_t w, uint32_t h, uint32_t flags);
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LayerBaseClient* createPushBuffersSurfaceLocked(Client* client, DisplayID display,
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int32_t id, uint32_t w, uint32_t h, uint32_t flags);
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status_t destroySurface(SurfaceID surface_id);
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status_t setClientState(ClientID cid, int32_t count, const layer_state_t* states);
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class LayerVector {
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public:
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inline LayerVector() { }
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LayerVector(const LayerVector&);
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inline size_t size() const { return layers.size(); }
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inline LayerBase*const* array() const { return layers.array(); }
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ssize_t add(LayerBase*, Vector<LayerBase*>::compar_t);
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ssize_t remove(LayerBase*);
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ssize_t reorder(LayerBase*, Vector<LayerBase*>::compar_t);
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ssize_t indexOf(LayerBase* key, size_t guess=0) const;
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inline LayerBase* operator [] (size_t i) const { return layers[i]; }
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private:
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KeyedVector<LayerBase*, size_t> lookup;
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Vector<LayerBase*> layers;
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};
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struct State {
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State() {
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orientation = ISurfaceComposer::eOrientationDefault;
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freezeDisplay = 0;
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}
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LayerVector layersSortedByZ;
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uint8_t orientation;
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uint8_t orientationType;
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uint8_t freezeDisplay;
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};
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class DelayedTransaction : public Thread
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{
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friend class SurfaceFlinger;
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sp<SurfaceFlinger> mFlinger;
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nsecs_t mDelay;
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public:
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DelayedTransaction(const sp<SurfaceFlinger>& flinger, nsecs_t delay)
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: Thread(false), mFlinger(flinger), mDelay(delay) {
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}
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virtual bool threadLoop() {
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usleep(mDelay / 1000);
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if (android_atomic_and(~1,
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&mFlinger->mDeplayedTransactionPending) == 1) {
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mFlinger->signalEvent();
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}
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return false;
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}
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};
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virtual bool threadLoop();
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virtual status_t readyToRun();
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virtual void onFirstRef();
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const GraphicPlane& graphicPlane(int dpy) const;
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GraphicPlane& graphicPlane(int dpy);
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void waitForEvent();
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void signalEvent();
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void signalDelayedEvent(nsecs_t delay);
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void handleConsoleEvents();
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void handleTransaction(uint32_t transactionFlags);
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void computeVisibleRegions(
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LayerVector& currentLayers,
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Region& dirtyRegion,
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Region& wormholeRegion);
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void handlePageFlip();
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bool lockPageFlip(const LayerVector& currentLayers);
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void unlockPageFlip(const LayerVector& currentLayers);
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void handleRepaint();
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void handleDebugCpu();
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void scheduleBroadcast(Client* client);
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void executeScheduledBroadcasts();
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void postFramebuffer();
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void composeSurfaces(const Region& dirty);
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void unlockClients();
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void destroyConnection(ClientID cid);
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LayerBaseClient* getLayerUser_l(SurfaceID index) const;
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status_t addLayer_l(LayerBase* layer);
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status_t removeLayer_l(LayerBase* layer);
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void destroy_all_removed_layers_l();
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void free_resources_l();
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uint32_t getTransactionFlags(uint32_t flags);
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uint32_t setTransactionFlags(uint32_t flags, nsecs_t delay = 0);
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void commitTransaction();
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friend class FreezeLock;
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sp<FreezeLock> getFreezeLock() const;
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inline void incFreezeCount() { mFreezeCount++; }
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inline void decFreezeCount() { if (mFreezeCount > 0) mFreezeCount--; }
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inline bool hasFreezeRequest() const { return mFreezeDisplay; }
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inline bool isFrozen() const {
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return mFreezeDisplay || mFreezeCount>0;
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}
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void debugFlashRegions();
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void debugShowFPS() const;
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void drawWormhole() const;
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// access must be protected by mStateLock
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mutable Mutex mStateLock;
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State mCurrentState;
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State mDrawingState;
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volatile int32_t mTransactionFlags;
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volatile int32_t mTransactionCount;
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Condition mTransactionCV;
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// protected by mStateLock (but we could use another lock)
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Tokenizer mTokens;
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DefaultKeyedVector<ClientID, Client*> mClientsMap;
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DefaultKeyedVector<SurfaceID, LayerBaseClient*> mLayerMap;
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GraphicPlane mGraphicPlanes[1];
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SortedVector<LayerBase*> mRemovedLayers;
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Vector<Client*> mDisconnectedClients;
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// constant members (no synchronization needed for access)
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sp<MemoryDealer> mServerHeap;
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sp<IMemory> mServerCblkMemory;
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surface_flinger_cblk_t* mServerCblk;
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sp<SurfaceHeapManager> mSurfaceHeapManager;
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sp<GPUHardwareInterface> mGPU;
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GLuint mWormholeTexName;
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nsecs_t mBootTime;
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// Can only accessed from the main thread, these members
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// don't need synchronization
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Region mDirtyRegion;
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Region mInvalidRegion;
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Region mWormholeRegion;
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Client* mLastScheduledBroadcast;
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SortedVector<Client*> mScheduledBroadcasts;
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bool mVisibleRegionsDirty;
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bool mDeferReleaseConsole;
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bool mFreezeDisplay;
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int32_t mFreezeCount;
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nsecs_t mFreezeDisplayTime;
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friend class OrientationAnimation;
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OrientationAnimation* mOrientationAnimation;
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// access protected by mDebugLock
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mutable Mutex mDebugLock;
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sp<CPUGauge> mCpuGauge;
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// don't use a lock for these, we don't care
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int mDebugRegion;
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int mDebugCpu;
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int mDebugFps;
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int mDebugBackground;
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// these are thread safe
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mutable Barrier mReadyToRunBarrier;
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mutable SurfaceFlingerSynchro mSyncObject;
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volatile int32_t mDeplayedTransactionPending;
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// atomic variables
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enum {
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eConsoleReleased = 1,
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eConsoleAcquired = 2
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};
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volatile int32_t mConsoleSignals;
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// only written in the main thread, only read in other threads
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volatile int32_t mSecureFrameBuffer;
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};
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// ---------------------------------------------------------------------------
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class FreezeLock : public LightRefBase<FreezeLock> {
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SurfaceFlinger* mFlinger;
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public:
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FreezeLock(SurfaceFlinger* flinger)
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: mFlinger(flinger) {
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mFlinger->incFreezeCount();
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}
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~FreezeLock() {
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mFlinger->decFreezeCount();
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}
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};
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// ---------------------------------------------------------------------------
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class BClient : public BnSurfaceFlingerClient
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{
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public:
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BClient(SurfaceFlinger *flinger, ClientID cid,
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const sp<IMemory>& cblk);
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~BClient();
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// ISurfaceFlingerClient interface
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virtual void getControlBlocks(sp<IMemory>* ctrl) const;
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virtual sp<ISurface> createSurface(
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surface_data_t* params, int pid,
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DisplayID display, uint32_t w, uint32_t h,PixelFormat format,
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uint32_t flags);
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virtual status_t destroySurface(SurfaceID surfaceId);
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virtual status_t setState(int32_t count, const layer_state_t* states);
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private:
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ClientID mId;
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SurfaceFlinger* mFlinger;
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sp<IMemory> mCblk;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_SURFACE_FLINGER_H
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