8dfa92fef9
The Surface createDisplay() call takes a display name for debugging. This change carries it through SurfaceFlinger and displays it in the "dumpsys SurfaceFlinger" output. Bug 7058158 Change-Id: I79f3474a8656ff1beb7b478e0dbf2c5de666118a
463 lines
16 KiB
C++
463 lines
16 KiB
C++
/*
|
|
* Copyright (C) 2007 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_SURFACE_FLINGER_H
|
|
#define ANDROID_SURFACE_FLINGER_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <EGL/egl.h>
|
|
#include <GLES/gl.h>
|
|
|
|
#include <cutils/compiler.h>
|
|
|
|
#include <utils/Atomic.h>
|
|
#include <utils/Errors.h>
|
|
#include <utils/KeyedVector.h>
|
|
#include <utils/RefBase.h>
|
|
#include <utils/SortedVector.h>
|
|
#include <utils/threads.h>
|
|
|
|
#include <binder/BinderService.h>
|
|
#include <binder/IMemory.h>
|
|
|
|
#include <ui/PixelFormat.h>
|
|
|
|
#include <gui/IGraphicBufferAlloc.h>
|
|
#include <gui/ISurfaceComposer.h>
|
|
#include <gui/ISurfaceComposerClient.h>
|
|
|
|
#include <hardware/hwcomposer_defs.h>
|
|
|
|
#include <private/gui/LayerState.h>
|
|
|
|
#include "Barrier.h"
|
|
#include "MessageQueue.h"
|
|
#include "DisplayDevice.h"
|
|
|
|
#include "DisplayHardware/HWComposer.h"
|
|
|
|
namespace android {
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class Client;
|
|
class DisplayEventConnection;
|
|
class EventThread;
|
|
class Layer;
|
|
class LayerBase;
|
|
class LayerBaseClient;
|
|
class LayerDim;
|
|
class LayerScreenshot;
|
|
class SurfaceTextureClient;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class GraphicBufferAlloc : public BnGraphicBufferAlloc {
|
|
public:
|
|
GraphicBufferAlloc();
|
|
virtual ~GraphicBufferAlloc();
|
|
virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
|
|
PixelFormat format, uint32_t usage, status_t* error);
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
enum {
|
|
eTransactionNeeded = 0x01,
|
|
eTraversalNeeded = 0x02,
|
|
eDisplayTransactionNeeded = 0x04,
|
|
eTransactionMask = 0x07
|
|
};
|
|
|
|
class SurfaceFlinger : public BinderService<SurfaceFlinger>,
|
|
public BnSurfaceComposer,
|
|
private IBinder::DeathRecipient,
|
|
private Thread,
|
|
private HWComposer::EventHandler
|
|
{
|
|
public:
|
|
static char const* getServiceName() {
|
|
return "SurfaceFlinger";
|
|
}
|
|
|
|
SurfaceFlinger();
|
|
|
|
enum {
|
|
EVENT_VSYNC = HWC_EVENT_VSYNC
|
|
};
|
|
|
|
// post an asynchronous message to the main thread
|
|
status_t postMessageAsync(const sp<MessageBase>& msg, nsecs_t reltime = 0,
|
|
uint32_t flags = 0);
|
|
|
|
// post a synchronous message to the main thread
|
|
status_t postMessageSync(const sp<MessageBase>& msg, nsecs_t reltime = 0,
|
|
uint32_t flags = 0);
|
|
|
|
// force full composition on all displays
|
|
void repaintEverything();
|
|
|
|
// renders content on given display to a texture. thread-safe version.
|
|
status_t renderScreenToTexture(uint32_t layerStack, GLuint* textureName,
|
|
GLfloat* uOut, GLfloat* vOut);
|
|
|
|
// renders content on given display to a texture, w/o acquiring main lock
|
|
status_t renderScreenToTextureLocked(uint32_t layerStack, GLuint* textureName,
|
|
GLfloat* uOut, GLfloat* vOut);
|
|
|
|
// returns the default Display
|
|
sp<const DisplayDevice> getDefaultDisplayDevice() const {
|
|
return getDisplayDevice(mDefaultDisplays[DisplayDevice::DISPLAY_PRIMARY]);
|
|
}
|
|
|
|
// utility function to delete a texture on the main thread
|
|
void deleteTextureAsync(GLuint texture);
|
|
|
|
// allocate a h/w composer display id
|
|
int32_t allocateHwcDisplayId(DisplayDevice::DisplayType type);
|
|
|
|
// enable/disable h/w composer event
|
|
// TODO: this should be made accessible only to EventThread
|
|
void eventControl(int event, int enabled);
|
|
|
|
// called on the main thread by MessageQueue when an internal message
|
|
// is received
|
|
// TODO: this should be made accessible only to MessageQueue
|
|
void onMessageReceived(int32_t what);
|
|
|
|
private:
|
|
friend class Client;
|
|
friend class DisplayEventConnection;
|
|
friend class LayerBase;
|
|
friend class LayerBaseClient;
|
|
friend class Layer;
|
|
|
|
// We're reference counted, never destroy SurfaceFlinger directly
|
|
virtual ~SurfaceFlinger();
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Internal data structures
|
|
*/
|
|
|
|
class LayerVector : public SortedVector<sp<LayerBase> > {
|
|
public:
|
|
LayerVector();
|
|
LayerVector(const LayerVector& rhs);
|
|
virtual int do_compare(const void* lhs, const void* rhs) const;
|
|
};
|
|
|
|
struct DisplayDeviceState {
|
|
DisplayDeviceState();
|
|
DisplayDeviceState(DisplayDevice::DisplayType type);
|
|
bool isValid() const { return type >= 0; }
|
|
bool isMainDisplay() const { return type == DisplayDevice::DISPLAY_PRIMARY; }
|
|
bool isVirtualDisplay() const { return type >= DisplayDevice::DISPLAY_VIRTUAL; }
|
|
DisplayDevice::DisplayType type;
|
|
sp<ISurfaceTexture> surface;
|
|
uint32_t layerStack;
|
|
Rect viewport;
|
|
Rect frame;
|
|
uint8_t orientation;
|
|
String8 displayName;
|
|
};
|
|
|
|
struct State {
|
|
LayerVector layersSortedByZ;
|
|
DefaultKeyedVector< wp<IBinder>, DisplayDeviceState> displays;
|
|
};
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* IBinder interface
|
|
*/
|
|
virtual status_t onTransact(uint32_t code, const Parcel& data,
|
|
Parcel* reply, uint32_t flags);
|
|
virtual status_t dump(int fd, const Vector<String16>& args);
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* ISurfaceComposer interface
|
|
*/
|
|
virtual sp<ISurfaceComposerClient> createConnection();
|
|
virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc();
|
|
virtual sp<IBinder> createDisplay(const String8& displayName);
|
|
virtual sp<IBinder> getBuiltInDisplay(int32_t id);
|
|
virtual void setTransactionState(const Vector<ComposerState>& state,
|
|
const Vector<DisplayState>& displays, uint32_t flags);
|
|
virtual void bootFinished();
|
|
virtual bool authenticateSurfaceTexture(
|
|
const sp<ISurfaceTexture>& surface) const;
|
|
virtual sp<IDisplayEventConnection> createDisplayEventConnection();
|
|
virtual status_t captureScreen(const sp<IBinder>& display, sp<IMemoryHeap>* heap,
|
|
uint32_t* width, uint32_t* height, PixelFormat* format,
|
|
uint32_t reqWidth, uint32_t reqHeight, uint32_t minLayerZ,
|
|
uint32_t maxLayerZ);
|
|
// called when screen needs to turn off
|
|
virtual void blank();
|
|
// called when screen is turning back on
|
|
virtual void unblank();
|
|
virtual status_t getDisplayInfo(const sp<IBinder>& display, DisplayInfo* info);
|
|
virtual void connectDisplay(const sp<ISurfaceTexture>& display);
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* DeathRecipient interface
|
|
*/
|
|
virtual void binderDied(const wp<IBinder>& who);
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Thread interface
|
|
*/
|
|
virtual bool threadLoop();
|
|
virtual status_t readyToRun();
|
|
virtual void onFirstRef();
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* HWComposer::EventHandler interface
|
|
*/
|
|
virtual void onVSyncReceived(int type, nsecs_t timestamp);
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Message handling
|
|
*/
|
|
void waitForEvent();
|
|
void signalTransaction();
|
|
void signalLayerUpdate();
|
|
void signalRefresh();
|
|
|
|
// called on the main thread in response to initializeDisplays()
|
|
void onInitializeDisplays();
|
|
// called on the main thread in response to blank()
|
|
void onScreenReleased(const sp<const DisplayDevice>& hw);
|
|
// called on the main thread in response to unblank()
|
|
void onScreenAcquired(const sp<const DisplayDevice>& hw);
|
|
|
|
void handleMessageTransaction();
|
|
void handleMessageInvalidate();
|
|
void handleMessageRefresh();
|
|
|
|
void handleTransaction(uint32_t transactionFlags);
|
|
void handleTransactionLocked(uint32_t transactionFlags);
|
|
|
|
/* handlePageFilp: this is were we latch a new buffer
|
|
* if available and compute the dirty region.
|
|
*/
|
|
void handlePageFlip();
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Transactions
|
|
*/
|
|
uint32_t getTransactionFlags(uint32_t flags);
|
|
uint32_t peekTransactionFlags(uint32_t flags);
|
|
uint32_t setTransactionFlags(uint32_t flags);
|
|
void commitTransaction();
|
|
uint32_t setClientStateLocked(const sp<Client>& client,
|
|
const layer_state_t& s);
|
|
uint32_t setDisplayStateLocked(const DisplayState& s);
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Layer management
|
|
*/
|
|
sp<ISurface> createLayer(ISurfaceComposerClient::surface_data_t* params,
|
|
const String8& name, const sp<Client>& client,
|
|
uint32_t w, uint32_t h, PixelFormat format, uint32_t flags);
|
|
|
|
sp<Layer> createNormalLayer(const sp<Client>& client,
|
|
uint32_t w, uint32_t h, uint32_t flags, PixelFormat& format);
|
|
|
|
sp<LayerDim> createDimLayer(const sp<Client>& client,
|
|
uint32_t w, uint32_t h, uint32_t flags);
|
|
|
|
sp<LayerScreenshot> createScreenshotLayer(const sp<Client>& client,
|
|
uint32_t w, uint32_t h, uint32_t flags);
|
|
|
|
// called in response to the window-manager calling
|
|
// ISurfaceComposerClient::destroySurface()
|
|
// The specified layer is first placed in a purgatory list
|
|
// until all references from the client are released.
|
|
status_t onLayerRemoved(const sp<Client>& client, SurfaceID sid);
|
|
|
|
// called when all clients have released all their references to
|
|
// this layer meaning it is entirely safe to destroy all
|
|
// resources associated to this layer.
|
|
status_t onLayerDestroyed(const wp<LayerBaseClient>& layer);
|
|
|
|
// remove a layer from SurfaceFlinger immediately
|
|
status_t removeLayer(const sp<LayerBase>& layer);
|
|
|
|
// add a layer to SurfaceFlinger
|
|
ssize_t addClientLayer(const sp<Client>& client,
|
|
const sp<LayerBaseClient>& lbc);
|
|
|
|
status_t removeLayer_l(const sp<LayerBase>& layer);
|
|
status_t purgatorizeLayer_l(const sp<LayerBase>& layer);
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Boot animation, on/off animations and screen capture
|
|
*/
|
|
|
|
void startBootAnim();
|
|
|
|
status_t captureScreenImplLocked(const sp<IBinder>& display, sp<IMemoryHeap>* heap,
|
|
uint32_t* width, uint32_t* height, PixelFormat* format,
|
|
uint32_t reqWidth, uint32_t reqHeight, uint32_t minLayerZ,
|
|
uint32_t maxLayerZ);
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* EGL
|
|
*/
|
|
static status_t selectConfigForPixelFormat(EGLDisplay dpy,
|
|
EGLint const* attrs, PixelFormat format, EGLConfig* outConfig);
|
|
static EGLConfig selectEGLConfig(EGLDisplay disp, EGLint visualId);
|
|
static EGLContext createGLContext(EGLDisplay disp, EGLConfig config);
|
|
void initializeGL(EGLDisplay display);
|
|
uint32_t getMaxTextureSize() const;
|
|
uint32_t getMaxViewportDims() const;
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Display and layer stack management
|
|
*/
|
|
// called when starting, or restarting after system_server death
|
|
void initializeDisplays();
|
|
|
|
sp<const DisplayDevice> getDisplayDevice(const wp<IBinder>& dpy) const {
|
|
return mDisplays.valueFor(dpy);
|
|
}
|
|
const sp<DisplayDevice>& getDisplayDevice(const wp<IBinder>& dpy) {
|
|
return mDisplays.valueFor(dpy);
|
|
}
|
|
|
|
// mark a region of a layer stack dirty. this updates the dirty
|
|
// region of all screens presenting this layer stack.
|
|
void invalidateLayerStack(uint32_t layerStack, const Region& dirty);
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* H/W composer
|
|
*/
|
|
|
|
HWComposer& getHwComposer() const { return *mHwc; }
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Compositing
|
|
*/
|
|
void invalidateHwcGeometry();
|
|
static void computeVisibleRegions(
|
|
const LayerVector& currentLayers, uint32_t layerStack,
|
|
Region& dirtyRegion, Region& opaqueRegion);
|
|
|
|
void preComposition();
|
|
void postComposition();
|
|
void rebuildLayerStacks();
|
|
void setUpHWComposer();
|
|
void doComposition();
|
|
void doDebugFlashRegions();
|
|
void doDisplayComposition(const sp<const DisplayDevice>& hw,
|
|
const Region& dirtyRegion);
|
|
void doComposeSurfaces(const sp<const DisplayDevice>& hw,
|
|
const Region& dirty);
|
|
|
|
void postFramebuffer();
|
|
void drawWormhole(const sp<const DisplayDevice>& hw,
|
|
const Region& region) const;
|
|
GLuint getProtectedTexName() const {
|
|
return mProtectedTexName;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Display management
|
|
*/
|
|
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Debugging & dumpsys
|
|
*/
|
|
void listLayersLocked(const Vector<String16>& args, size_t& index,
|
|
String8& result, char* buffer, size_t SIZE) const;
|
|
void dumpStatsLocked(const Vector<String16>& args, size_t& index,
|
|
String8& result, char* buffer, size_t SIZE) const;
|
|
void clearStatsLocked(const Vector<String16>& args, size_t& index,
|
|
String8& result, char* buffer, size_t SIZE) const;
|
|
void dumpAllLocked(String8& result, char* buffer, size_t SIZE) const;
|
|
bool startDdmConnection();
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Attributes
|
|
*/
|
|
|
|
// access must be protected by mStateLock
|
|
mutable Mutex mStateLock;
|
|
State mCurrentState;
|
|
volatile int32_t mTransactionFlags;
|
|
Condition mTransactionCV;
|
|
SortedVector<sp<LayerBase> > mLayerPurgatory;
|
|
bool mTransationPending;
|
|
Vector<sp<LayerBase> > mLayersPendingRemoval;
|
|
|
|
// protected by mStateLock (but we could use another lock)
|
|
bool mLayersRemoved;
|
|
|
|
// access must be protected by mInvalidateLock
|
|
volatile int32_t mRepaintEverything;
|
|
|
|
// constant members (no synchronization needed for access)
|
|
HWComposer* mHwc;
|
|
GLuint mProtectedTexName;
|
|
nsecs_t mBootTime;
|
|
sp<EventThread> mEventThread;
|
|
GLint mMaxViewportDims[2];
|
|
GLint mMaxTextureSize;
|
|
EGLContext mEGLContext;
|
|
EGLConfig mEGLConfig;
|
|
EGLDisplay mEGLDisplay;
|
|
sp<IBinder> mDefaultDisplays[DisplayDevice::NUM_DISPLAY_TYPES];
|
|
|
|
// Can only accessed from the main thread, these members
|
|
// don't need synchronization
|
|
State mDrawingState;
|
|
bool mVisibleRegionsDirty;
|
|
bool mHwWorkListDirty;
|
|
DefaultKeyedVector< wp<IBinder>, sp<DisplayDevice> > mDisplays;
|
|
|
|
// don't use a lock for these, we don't care
|
|
int mDebugRegion;
|
|
int mDebugDDMS;
|
|
int mDebugDisableHWC;
|
|
int mDebugDisableTransformHint;
|
|
volatile nsecs_t mDebugInSwapBuffers;
|
|
nsecs_t mLastSwapBufferTime;
|
|
volatile nsecs_t mDebugInTransaction;
|
|
nsecs_t mLastTransactionTime;
|
|
bool mBootFinished;
|
|
|
|
// these are thread safe
|
|
mutable MessageQueue mEventQueue;
|
|
mutable Barrier mReadyToRunBarrier;
|
|
|
|
// protected by mDestroyedLayerLock;
|
|
mutable Mutex mDestroyedLayerLock;
|
|
Vector<LayerBase const *> mDestroyedLayers;
|
|
|
|
/* ------------------------------------------------------------------------
|
|
* Feature prototyping
|
|
*/
|
|
|
|
sp<IBinder> mExtDisplayToken;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_SURFACE_FLINGER_H
|