Merge changes Icef8ee6c,I2abd5d58,I96266db8,Id84f5b99
* changes:
Eliminate duplicate device creation code
Fix VrFlinger handoff
Move hotplug processing to the main thread
Create processDisplayChangesLocked
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 95802bd..b8a0a5a 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -169,20 +169,6 @@
mPowerMode = (mType >= DisplayDevice::DISPLAY_VIRTUAL) ?
HWC_POWER_MODE_NORMAL : HWC_POWER_MODE_OFF;
- // Name the display. The name will be replaced shortly if the display
- // was created with createDisplay().
- switch (mType) {
- case DISPLAY_PRIMARY:
- mDisplayName = "Built-in Screen";
- break;
- case DISPLAY_EXTERNAL:
- mDisplayName = "HDMI Screen";
- break;
- default:
- mDisplayName = "Virtual Screen"; // e.g. Overlay #n
- break;
- }
-
// initialize the display orientation transform.
setProjection(DisplayState::eOrientationDefault, mViewport, mFrame);
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 624fda2..ffc61be 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -369,17 +369,6 @@
setTransactionFlags(eDisplayTransactionNeeded);
}
-void SurfaceFlinger::createBuiltinDisplayLocked(DisplayDevice::DisplayType type) {
- ALOGV("createBuiltinDisplayLocked(%d)", type);
- ALOGW_IF(mBuiltinDisplays[type],
- "Overwriting display token for display type %d", type);
- mBuiltinDisplays[type] = new BBinder();
- // All non-virtual displays are currently considered secure.
- DisplayDeviceState info(type, true);
- mCurrentState.displays.add(mBuiltinDisplays[type], info);
- mInterceptor.saveDisplayCreation(info);
-}
-
sp<IBinder> SurfaceFlinger::getBuiltInDisplay(int32_t id) {
if (uint32_t(id) >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
ALOGE("getDefaultDisplay: id=%d is not a valid default display id", id);
@@ -627,6 +616,15 @@
"Starting with vr flinger active is not currently supported.");
mHwc.reset(new HWComposer(mHwcServiceName));
mHwc->registerCallback(this, mComposerSequenceId);
+ // Process any initial hotplug and resulting display changes.
+ processDisplayHotplugEventsLocked();
+ LOG_ALWAYS_FATAL_IF(!mHwc->isConnected(HWC_DISPLAY_PRIMARY),
+ "Registered composer callback but didn't create the default primary "
+ "display");
+
+ // make the default display GLContext current so that we can create textures
+ // when creating Layers (which may happens before we render something)
+ getDefaultDisplayDeviceLocked()->makeCurrent(mEGLDisplay, mEGLContext);
if (useVrFlinger) {
auto vrFlingerRequestDisplayCallback = [this] (bool requestDisplay) {
@@ -1262,52 +1260,6 @@
*compositorTiming = mCompositorTiming;
}
-void SurfaceFlinger::createDefaultDisplayDevice() {
- const DisplayDevice::DisplayType type = DisplayDevice::DISPLAY_PRIMARY;
- wp<IBinder> token = mBuiltinDisplays[type];
-
- // All non-virtual displays are currently considered secure.
- const bool isSecure = true;
-
- sp<IGraphicBufferProducer> producer;
- sp<IGraphicBufferConsumer> consumer;
- BufferQueue::createBufferQueue(&producer, &consumer);
-
- sp<FramebufferSurface> fbs = new FramebufferSurface(*mHwc, type, consumer);
-
- bool hasWideColorModes = false;
- std::vector<android_color_mode_t> modes = getHwComposer().getColorModes(type);
- for (android_color_mode_t colorMode : modes) {
- switch (colorMode) {
- case HAL_COLOR_MODE_DISPLAY_P3:
- case HAL_COLOR_MODE_ADOBE_RGB:
- case HAL_COLOR_MODE_DCI_P3:
- hasWideColorModes = true;
- break;
- default:
- break;
- }
- }
- sp<DisplayDevice> hw = new DisplayDevice(this, DisplayDevice::DISPLAY_PRIMARY, type, isSecure,
- token, fbs, producer, mRenderEngine->getEGLConfig(),
- hasWideColorModes && hasWideColorDisplay);
- mDisplays.add(token, hw);
- android_color_mode defaultColorMode = HAL_COLOR_MODE_NATIVE;
- if (hasWideColorModes && hasWideColorDisplay) {
- defaultColorMode = HAL_COLOR_MODE_SRGB;
- }
- setActiveColorModeInternal(hw, defaultColorMode);
- hw->setCompositionDataSpace(HAL_DATASPACE_UNKNOWN);
-
- // Add the primary display token to mDrawingState so we don't try to
- // recreate the DisplayDevice for the primary display.
- mDrawingState.displays.add(token, DisplayDeviceState(type, true));
-
- // make the GLContext current so that we can create textures when creating
- // Layers (which may happens before we render something)
- hw->makeCurrent(mEGLDisplay, mEGLContext);
-}
-
void SurfaceFlinger::onHotplugReceived(int32_t sequenceId,
hwc2_display_t display, HWC2::Connection connection,
bool primaryDisplay) {
@@ -1317,39 +1269,25 @@
"connected" : "disconnected",
primaryDisplay ? "primary" : "external");
+ // Ignore events that do not have the right sequenceId.
+ if (sequenceId != mComposerSequenceId) {
+ return;
+ }
+
// Only lock if we're not on the main thread. This function is normally
// called on a hwbinder thread, but for the primary display it's called on
// the main thread with the state lock already held, so don't attempt to
// acquire it here.
- ConditionalLock lock(mStateLock,
- std::this_thread::get_id() != mMainThreadId);
+ ConditionalLock lock(mStateLock, std::this_thread::get_id() != mMainThreadId);
- if (primaryDisplay) {
- mHwc->onHotplug(display, connection);
- if (!mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY].get()) {
- createBuiltinDisplayLocked(DisplayDevice::DISPLAY_PRIMARY);
- }
- createDefaultDisplayDevice();
- } else {
- if (sequenceId != mComposerSequenceId) {
- return;
- }
- if (mHwc->isUsingVrComposer()) {
- ALOGE("External displays are not supported by the vr hardware composer.");
- return;
- }
- mHwc->onHotplug(display, connection);
- auto type = DisplayDevice::DISPLAY_EXTERNAL;
- if (connection == HWC2::Connection::Connected) {
- createBuiltinDisplayLocked(type);
- } else {
- mCurrentState.displays.removeItem(mBuiltinDisplays[type]);
- mBuiltinDisplays[type].clear();
- }
- setTransactionFlags(eDisplayTransactionNeeded);
+ mPendingHotplugEvents.emplace_back(HotplugEvent{display, connection, primaryDisplay});
- // Defer EventThread notification until SF has updated mDisplays.
+ if (std::this_thread::get_id() == mMainThreadId) {
+ // Process all pending hot plug events immediately if we are on the main thread.
+ processDisplayHotplugEventsLocked();
}
+
+ setTransactionFlags(eDisplayTransactionNeeded);
}
void SurfaceFlinger::onRefreshReceived(int sequenceId,
@@ -2089,6 +2027,223 @@
// here the transaction has been committed
}
+void SurfaceFlinger::processDisplayHotplugEventsLocked() {
+ for (const auto& event : mPendingHotplugEvents) {
+ DisplayDevice::DisplayType displayType = event.isPrimaryDisplay
+ ? DisplayDevice::DISPLAY_PRIMARY
+ : DisplayDevice::DISPLAY_EXTERNAL;
+
+ if (mHwc->isUsingVrComposer() && displayType == DisplayDevice::DISPLAY_EXTERNAL) {
+ ALOGE("External displays are not supported by the vr hardware composer.");
+ continue;
+ }
+
+ mHwc->onHotplug(event.display, event.connection);
+
+ if (event.connection == HWC2::Connection::Connected) {
+ ALOGV("Creating built in display %d", displayType);
+ ALOGW_IF(mBuiltinDisplays[displayType], "Overwriting display token for display type %d",
+ displayType);
+ mBuiltinDisplays[displayType] = new BBinder();
+ // All non-virtual displays are currently considered secure.
+ DisplayDeviceState info(displayType, true);
+ info.displayName = displayType == DisplayDevice::DISPLAY_PRIMARY ? "Built-in Screen"
+ : "External Screen";
+ mCurrentState.displays.add(mBuiltinDisplays[displayType], info);
+ mInterceptor.saveDisplayCreation(info);
+ } else {
+ ALOGV("Removing built in display %d", displayType);
+
+ ssize_t idx = mCurrentState.displays.indexOfKey(mBuiltinDisplays[displayType]);
+ if (idx >= 0) {
+ const DisplayDeviceState& info(mCurrentState.displays.valueAt(idx));
+ mInterceptor.saveDisplayDeletion(info.displayId);
+ mCurrentState.displays.removeItemsAt(idx);
+ }
+ mBuiltinDisplays[displayType].clear();
+ }
+
+ processDisplayChangesLocked();
+ }
+
+ mPendingHotplugEvents.clear();
+}
+
+void SurfaceFlinger::processDisplayChangesLocked() {
+ // here we take advantage of Vector's copy-on-write semantics to
+ // improve performance by skipping the transaction entirely when
+ // know that the lists are identical
+ const KeyedVector<wp<IBinder>, DisplayDeviceState>& curr(mCurrentState.displays);
+ const KeyedVector<wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
+ if (!curr.isIdenticalTo(draw)) {
+ mVisibleRegionsDirty = true;
+ const size_t cc = curr.size();
+ size_t dc = draw.size();
+
+ // find the displays that were removed
+ // (ie: in drawing state but not in current state)
+ // also handle displays that changed
+ // (ie: displays that are in both lists)
+ for (size_t i = 0; i < dc;) {
+ const ssize_t j = curr.indexOfKey(draw.keyAt(i));
+ if (j < 0) {
+ // in drawing state but not in current state
+ if (!draw[i].isMainDisplay()) {
+ // Call makeCurrent() on the primary display so we can
+ // be sure that nothing associated with this display
+ // is current.
+ const sp<const DisplayDevice> defaultDisplay(getDefaultDisplayDeviceLocked());
+ defaultDisplay->makeCurrent(mEGLDisplay, mEGLContext);
+ sp<DisplayDevice> hw(getDisplayDeviceLocked(draw.keyAt(i)));
+ if (hw != NULL) hw->disconnect(getHwComposer());
+ if (draw[i].type < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES)
+ mEventThread->onHotplugReceived(draw[i].type, false);
+ mDisplays.removeItem(draw.keyAt(i));
+ } else {
+ ALOGW("trying to remove the main display");
+ }
+ } else {
+ // this display is in both lists. see if something changed.
+ const DisplayDeviceState& state(curr[j]);
+ const wp<IBinder>& display(curr.keyAt(j));
+ const sp<IBinder> state_binder = IInterface::asBinder(state.surface);
+ const sp<IBinder> draw_binder = IInterface::asBinder(draw[i].surface);
+ if (state_binder != draw_binder) {
+ // changing the surface is like destroying and
+ // recreating the DisplayDevice, so we just remove it
+ // from the drawing state, so that it get re-added
+ // below.
+ sp<DisplayDevice> hw(getDisplayDeviceLocked(display));
+ if (hw != NULL) hw->disconnect(getHwComposer());
+ mDisplays.removeItem(display);
+ mDrawingState.displays.removeItemsAt(i);
+ dc--;
+ // at this point we must loop to the next item
+ continue;
+ }
+
+ const sp<DisplayDevice> disp(getDisplayDeviceLocked(display));
+ if (disp != NULL) {
+ if (state.layerStack != draw[i].layerStack) {
+ disp->setLayerStack(state.layerStack);
+ }
+ if ((state.orientation != draw[i].orientation) ||
+ (state.viewport != draw[i].viewport) || (state.frame != draw[i].frame)) {
+ disp->setProjection(state.orientation, state.viewport, state.frame);
+ }
+ if (state.width != draw[i].width || state.height != draw[i].height) {
+ disp->setDisplaySize(state.width, state.height);
+ }
+ }
+ }
+ ++i;
+ }
+
+ // find displays that were added
+ // (ie: in current state but not in drawing state)
+ for (size_t i = 0; i < cc; i++) {
+ if (draw.indexOfKey(curr.keyAt(i)) < 0) {
+ const DisplayDeviceState& state(curr[i]);
+
+ sp<DisplaySurface> dispSurface;
+ sp<IGraphicBufferProducer> producer;
+ sp<IGraphicBufferProducer> bqProducer;
+ sp<IGraphicBufferConsumer> bqConsumer;
+ BufferQueue::createBufferQueue(&bqProducer, &bqConsumer);
+
+ int32_t hwcId = -1;
+ if (state.isVirtualDisplay()) {
+ // Virtual displays without a surface are dormant:
+ // they have external state (layer stack, projection,
+ // etc.) but no internal state (i.e. a DisplayDevice).
+ if (state.surface != NULL) {
+ // Allow VR composer to use virtual displays.
+ if (mUseHwcVirtualDisplays || mHwc->isUsingVrComposer()) {
+ int width = 0;
+ int status = state.surface->query(NATIVE_WINDOW_WIDTH, &width);
+ ALOGE_IF(status != NO_ERROR, "Unable to query width (%d)", status);
+ int height = 0;
+ status = state.surface->query(NATIVE_WINDOW_HEIGHT, &height);
+ ALOGE_IF(status != NO_ERROR, "Unable to query height (%d)", status);
+ int intFormat = 0;
+ status = state.surface->query(NATIVE_WINDOW_FORMAT, &intFormat);
+ ALOGE_IF(status != NO_ERROR, "Unable to query format (%d)", status);
+ auto format = static_cast<android_pixel_format_t>(intFormat);
+
+ mHwc->allocateVirtualDisplay(width, height, &format, &hwcId);
+ }
+
+ // TODO: Plumb requested format back up to consumer
+
+ sp<VirtualDisplaySurface> vds =
+ new VirtualDisplaySurface(*mHwc, hwcId, state.surface, bqProducer,
+ bqConsumer, state.displayName);
+
+ dispSurface = vds;
+ producer = vds;
+ }
+ } else {
+ ALOGE_IF(state.surface != NULL,
+ "adding a supported display, but rendering "
+ "surface is provided (%p), ignoring it",
+ state.surface.get());
+
+ hwcId = state.type;
+ dispSurface = new FramebufferSurface(*mHwc, hwcId, bqConsumer);
+ producer = bqProducer;
+ }
+
+ const wp<IBinder>& display(curr.keyAt(i));
+
+ if (dispSurface != NULL) {
+ bool useWideColorMode = hasWideColorDisplay;
+ if (state.isMainDisplay()) {
+ bool hasWideColorModes = false;
+ std::vector<android_color_mode_t> modes =
+ getHwComposer().getColorModes(state.type);
+ for (android_color_mode_t colorMode : modes) {
+ switch (colorMode) {
+ case HAL_COLOR_MODE_DISPLAY_P3:
+ case HAL_COLOR_MODE_ADOBE_RGB:
+ case HAL_COLOR_MODE_DCI_P3:
+ hasWideColorModes = true;
+ break;
+ default:
+ break;
+ }
+ }
+ useWideColorMode = hasWideColorModes && hasWideColorDisplay;
+ }
+
+ sp<DisplayDevice> hw =
+ new DisplayDevice(this, state.type, hwcId, state.isSecure, display,
+ dispSurface, producer, mRenderEngine->getEGLConfig(),
+ useWideColorMode);
+
+ if (state.isMainDisplay()) {
+ android_color_mode defaultColorMode = HAL_COLOR_MODE_NATIVE;
+ if (useWideColorMode) {
+ defaultColorMode = HAL_COLOR_MODE_SRGB;
+ }
+ setActiveColorModeInternal(hw, defaultColorMode);
+ hw->setCompositionDataSpace(HAL_DATASPACE_UNKNOWN);
+ }
+
+ hw->setLayerStack(state.layerStack);
+ hw->setProjection(state.orientation, state.viewport, state.frame);
+ hw->setDisplayName(state.displayName);
+ mDisplays.add(display, hw);
+ if (!state.isVirtualDisplay()) {
+ mEventThread->onHotplugReceived(state.type, true);
+ }
+ }
+ }
+ }
+ }
+
+ mDrawingState.displays = mCurrentState.displays;
+}
+
void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags)
{
// Notify all layers of available frames
@@ -2117,163 +2272,8 @@
*/
if (transactionFlags & eDisplayTransactionNeeded) {
- // here we take advantage of Vector's copy-on-write semantics to
- // improve performance by skipping the transaction entirely when
- // know that the lists are identical
- const KeyedVector< wp<IBinder>, DisplayDeviceState>& curr(mCurrentState.displays);
- const KeyedVector< wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
- if (!curr.isIdenticalTo(draw)) {
- mVisibleRegionsDirty = true;
- const size_t cc = curr.size();
- size_t dc = draw.size();
-
- // find the displays that were removed
- // (ie: in drawing state but not in current state)
- // also handle displays that changed
- // (ie: displays that are in both lists)
- for (size_t i=0 ; i<dc ;) {
- const ssize_t j = curr.indexOfKey(draw.keyAt(i));
- if (j < 0) {
- // in drawing state but not in current state
- if (!draw[i].isMainDisplay()) {
- // Call makeCurrent() on the primary display so we can
- // be sure that nothing associated with this display
- // is current.
- const sp<const DisplayDevice> defaultDisplay(getDefaultDisplayDeviceLocked());
- defaultDisplay->makeCurrent(mEGLDisplay, mEGLContext);
- sp<DisplayDevice> hw(getDisplayDeviceLocked(draw.keyAt(i)));
- if (hw != NULL)
- hw->disconnect(getHwComposer());
- if (draw[i].type < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES)
- mEventThread->onHotplugReceived(draw[i].type, false);
- mDisplays.removeItem(draw.keyAt(i));
- } else {
- ALOGW("trying to remove the main display");
- }
- } else {
- // this display is in both lists. see if something changed.
- const DisplayDeviceState& state(curr[j]);
- const wp<IBinder>& display(curr.keyAt(j));
- const sp<IBinder> state_binder = IInterface::asBinder(state.surface);
- const sp<IBinder> draw_binder = IInterface::asBinder(draw[i].surface);
- if (state_binder != draw_binder) {
- // changing the surface is like destroying and
- // recreating the DisplayDevice, so we just remove it
- // from the drawing state, so that it get re-added
- // below.
- sp<DisplayDevice> hw(getDisplayDeviceLocked(display));
- if (hw != NULL)
- hw->disconnect(getHwComposer());
- mDisplays.removeItem(display);
- mDrawingState.displays.removeItemsAt(i);
- dc--;
- // at this point we must loop to the next item
- continue;
- }
-
- const sp<DisplayDevice> disp(getDisplayDeviceLocked(display));
- if (disp != NULL) {
- if (state.layerStack != draw[i].layerStack) {
- disp->setLayerStack(state.layerStack);
- }
- if ((state.orientation != draw[i].orientation)
- || (state.viewport != draw[i].viewport)
- || (state.frame != draw[i].frame))
- {
- disp->setProjection(state.orientation,
- state.viewport, state.frame);
- }
- if (state.width != draw[i].width || state.height != draw[i].height) {
- disp->setDisplaySize(state.width, state.height);
- }
- }
- }
- ++i;
- }
-
- // find displays that were added
- // (ie: in current state but not in drawing state)
- for (size_t i=0 ; i<cc ; i++) {
- if (draw.indexOfKey(curr.keyAt(i)) < 0) {
- const DisplayDeviceState& state(curr[i]);
-
- sp<DisplaySurface> dispSurface;
- sp<IGraphicBufferProducer> producer;
- sp<IGraphicBufferProducer> bqProducer;
- sp<IGraphicBufferConsumer> bqConsumer;
- BufferQueue::createBufferQueue(&bqProducer, &bqConsumer);
-
- int32_t hwcId = -1;
- if (state.isVirtualDisplay()) {
- // Virtual displays without a surface are dormant:
- // they have external state (layer stack, projection,
- // etc.) but no internal state (i.e. a DisplayDevice).
- if (state.surface != NULL) {
-
- // Allow VR composer to use virtual displays.
- if (mUseHwcVirtualDisplays || mHwc->isUsingVrComposer()) {
- int width = 0;
- int status = state.surface->query(
- NATIVE_WINDOW_WIDTH, &width);
- ALOGE_IF(status != NO_ERROR,
- "Unable to query width (%d)", status);
- int height = 0;
- status = state.surface->query(
- NATIVE_WINDOW_HEIGHT, &height);
- ALOGE_IF(status != NO_ERROR,
- "Unable to query height (%d)", status);
- int intFormat = 0;
- status = state.surface->query(
- NATIVE_WINDOW_FORMAT, &intFormat);
- ALOGE_IF(status != NO_ERROR,
- "Unable to query format (%d)", status);
- auto format = static_cast<android_pixel_format_t>(
- intFormat);
-
- mHwc->allocateVirtualDisplay(width, height, &format,
- &hwcId);
- }
-
- // TODO: Plumb requested format back up to consumer
-
- sp<VirtualDisplaySurface> vds =
- new VirtualDisplaySurface(*mHwc,
- hwcId, state.surface, bqProducer,
- bqConsumer, state.displayName);
-
- dispSurface = vds;
- producer = vds;
- }
- } else {
- ALOGE_IF(state.surface!=NULL,
- "adding a supported display, but rendering "
- "surface is provided (%p), ignoring it",
- state.surface.get());
-
- hwcId = state.type;
- dispSurface = new FramebufferSurface(*mHwc, hwcId, bqConsumer);
- producer = bqProducer;
- }
-
- const wp<IBinder>& display(curr.keyAt(i));
- if (dispSurface != NULL) {
- sp<DisplayDevice> hw =
- new DisplayDevice(this, state.type, hwcId, state.isSecure, display,
- dispSurface, producer,
- mRenderEngine->getEGLConfig(),
- hasWideColorDisplay);
- hw->setLayerStack(state.layerStack);
- hw->setProjection(state.orientation,
- state.viewport, state.frame);
- hw->setDisplayName(state.displayName);
- mDisplays.add(display, hw);
- if (!state.isVirtualDisplay()) {
- mEventThread->onHotplugReceived(state.type, true);
- }
- }
- }
- }
- }
+ processDisplayChangesLocked();
+ processDisplayHotplugEventsLocked();
}
if (transactionFlags & (eTraversalNeeded|eDisplayTransactionNeeded)) {
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 821e15c8..e32fa58 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -483,9 +483,9 @@
// called when starting, or restarting after system_server death
void initializeDisplays();
- // Create an IBinder for a builtin display and add it to current state
+#ifndef USE_HWC2
void createBuiltinDisplayLocked(DisplayDevice::DisplayType type);
-
+#endif
sp<const DisplayDevice> getDisplayDevice(const wp<IBinder>& dpy) const {
Mutex::Autolock _l(mStateLock);
@@ -511,8 +511,6 @@
return getDisplayDeviceLocked(mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY]);
}
- void createDefaultDisplayDevice();
-
int32_t getDisplayType(const sp<IBinder>& display) {
if (!display.get()) return NAME_NOT_FOUND;
for (int i = 0; i < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES; ++i) {
@@ -576,6 +574,8 @@
/* ------------------------------------------------------------------------
* Display management
*/
+ void processDisplayChangesLocked();
+ void processDisplayHotplugEventsLocked();
/* ------------------------------------------------------------------------
* VSync
@@ -705,6 +705,17 @@
FenceTimeline mGlCompositionDoneTimeline;
FenceTimeline mDisplayTimeline;
+#ifdef USE_HWC2
+ struct HotplugEvent {
+ hwc2_display_t display;
+ HWC2::Connection connection = HWC2::Connection::Invalid;
+ bool isPrimaryDisplay;
+ };
+ // protected by mStateLock
+ std::vector<HotplugEvent> mPendingHotplugEvents;
+#endif
+
+
// 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;
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index 1d6fbaf..ee938ef 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -309,6 +309,9 @@
mBuiltinDisplays[type] = new BBinder();
// All non-virtual displays are currently considered secure.
DisplayDeviceState info(type, true);
+ info.displayName =
+ type== DisplayDevice::DISPLAY_PRIMARY ? "Built-in Screen" : "External Screen";
+
mCurrentState.displays.add(mBuiltinDisplays[type], info);
mInterceptor.saveDisplayCreation(info);
}
