// or when a texture is (asynchronously) destroyed, and for that
// we need a valid surface, so it's convenient to use the main display
// for that.
- sp<const DisplayDevice> hw = getDefaultDisplayDevice();
+ sp<const DisplayDevice> hw(getDefaultDisplayDevice());
// initialize OpenGL ES
DisplayDevice::makeCurrent(mEGLDisplay, hw, mEGLContext);
// Call makeCurrent() on the primary display so we can
// be sure that nothing associated with this display
// is current.
- const sp<const DisplayDevice>& hw(getDefaultDisplayDevice());
+ const sp<const DisplayDevice> hw(getDefaultDisplayDevice());
DisplayDevice::makeCurrent(mEGLDisplay, hw, mEGLContext);
mDisplays.removeItem(draw.keyAt(i));
getHwComposer().disconnectDisplay(draw[i].type);
continue;
}
- const sp<DisplayDevice>& disp(getDisplayDevice(display));
+ const sp<DisplayDevice> disp(getDisplayDevice(display));
if (disp != NULL) {
if (state.layerStack != draw[i].layerStack) {
disp->setLayerStack(state.layerStack);
void SurfaceFlinger::unblank(const sp<IBinder>& display) {
class MessageScreenAcquired : public MessageBase {
- SurfaceFlinger* mFlinger;
- const sp<DisplayDevice>& mHw;
+ SurfaceFlinger& mFlinger;
+ sp<IBinder> mDisplay;
public:
- MessageScreenAcquired(SurfaceFlinger* flinger,
- const sp<DisplayDevice>& hw) : mFlinger(flinger), mHw(hw) { }
+ MessageScreenAcquired(SurfaceFlinger& flinger,
+ const sp<IBinder>& disp) : mFlinger(flinger), mDisplay(disp) { }
virtual bool handler() {
- mFlinger->onScreenAcquired(mHw);
+ const sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
+ if (hw == NULL) {
+ ALOGE("Attempt to unblank null display %p", mDisplay.get());
+ } else if (hw->getDisplayType() >= DisplayDevice::NUM_DISPLAY_TYPES) {
+ ALOGW("Attempt to unblank virtual display");
+ } else {
+ mFlinger.onScreenAcquired(hw);
+ }
return true;
}
};
- const sp<DisplayDevice>& hw = getDisplayDevice(display);
- if (hw == NULL) {
- ALOGE("Attempt to unblank null display %p", display.get());
- } else if (hw->getDisplayType() >= DisplayDevice::NUM_DISPLAY_TYPES) {
- ALOGW("Attempt to unblank virtual display");
- } else {
- sp<MessageBase> msg = new MessageScreenAcquired(this, hw);
- postMessageSync(msg);
- }
+ sp<MessageBase> msg = new MessageScreenAcquired(*this, display);
+ postMessageSync(msg);
}
void SurfaceFlinger::blank(const sp<IBinder>& display) {
class MessageScreenReleased : public MessageBase {
- SurfaceFlinger* mFlinger;
- const sp<DisplayDevice>& mHw;
+ SurfaceFlinger& mFlinger;
+ sp<IBinder> mDisplay;
public:
- MessageScreenReleased(SurfaceFlinger* flinger,
- const sp<DisplayDevice>& hw) : mFlinger(flinger), mHw(hw) { }
+ MessageScreenReleased(SurfaceFlinger& flinger,
+ const sp<IBinder>& disp) : mFlinger(flinger), mDisplay(disp) { }
virtual bool handler() {
- mFlinger->onScreenReleased(mHw);
+ const sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
+ if (hw == NULL) {
+ ALOGE("Attempt to blank null display %p", mDisplay.get());
+ } else if (hw->getDisplayType() >= DisplayDevice::NUM_DISPLAY_TYPES) {
+ ALOGW("Attempt to blank virtual display");
+ } else {
+ mFlinger.onScreenReleased(hw);
+ }
return true;
}
};
- const sp<DisplayDevice>& hw = getDisplayDevice(display);
- if (hw == NULL) {
- ALOGE("Attempt to blank null display %p", display.get());
- } else if (hw->getDisplayType() >= DisplayDevice::NUM_DISPLAY_TYPES) {
- ALOGW("Attempt to blank virtual display");
- } else {
- sp<MessageBase> msg = new MessageScreenReleased(this, hw);
- postMessageSync(msg);
- }
+ sp<MessageBase> msg = new MessageScreenReleased(*this, display);
+ postMessageSync(msg);
}
// ---------------------------------------------------------------------------
const Vector< sp<LayerBase> >&
SurfaceFlinger::getLayerSortedByZForHwcDisplay(int disp) {
+ // Note: mStateLock is held here
return getDisplayDevice( getBuiltInDisplay(disp) )->getVisibleLayersSortedByZ();
}
// called when starting, or restarting after system_server death
void initializeDisplays();
+ // NOTE: can only be called from the main thread or with mStateLock held
sp<const DisplayDevice> getDisplayDevice(const wp<IBinder>& dpy) const {
return mDisplays.valueFor(dpy);
}
- const sp<DisplayDevice>& getDisplayDevice(const wp<IBinder>& dpy) {
+
+ // NOTE: can only be called from the main thread or with mStateLock held
+ sp<DisplayDevice> getDisplayDevice(const wp<IBinder>& dpy) {
return mDisplays.valueFor(dpy);
}
State mDrawingState;
bool mVisibleRegionsDirty;
bool mHwWorkListDirty;
+
+ // this may only be written from the main thread with mStateLock held
+ // it may be read from other threads with mStateLock held
DefaultKeyedVector< wp<IBinder>, sp<DisplayDevice> > mDisplays;
// don't use a lock for these, we don't care