| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| package com.android.server.display; |
| |
| import android.app.ActivityThread; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.hardware.sidekick.SidekickInternal; |
| import android.os.Build; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.PowerManager; |
| import android.os.SystemProperties; |
| import android.os.Trace; |
| import android.util.LongSparseArray; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.Spline; |
| import android.view.Display; |
| import android.view.DisplayAddress; |
| import android.view.DisplayCutout; |
| import android.view.DisplayEventReceiver; |
| import android.view.SurfaceControl; |
| |
| import com.android.internal.BrightnessSynchronizer; |
| import com.android.internal.os.BackgroundThread; |
| import com.android.internal.util.function.pooled.PooledLambda; |
| import com.android.server.LocalServices; |
| import com.android.server.lights.LightsManager; |
| import com.android.server.lights.LogicalLight; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** |
| * A display adapter for the local displays managed by SurfaceFlinger. |
| * <p> |
| * Display adapters are guarded by the {@link DisplayManagerService.SyncRoot} lock. |
| * </p> |
| */ |
| final class LocalDisplayAdapter extends DisplayAdapter { |
| private static final String TAG = "LocalDisplayAdapter"; |
| private static final boolean DEBUG = false; |
| |
| private static final String UNIQUE_ID_PREFIX = "local:"; |
| |
| private static final String PROPERTY_EMULATOR_CIRCULAR = "ro.emulator.circular"; |
| |
| private static final int NO_DISPLAY_MODE_ID = 0; |
| |
| private final LongSparseArray<LocalDisplayDevice> mDevices = new LongSparseArray<>(); |
| |
| @SuppressWarnings("unused") // Becomes active at instantiation time. |
| private PhysicalDisplayEventReceiver mPhysicalDisplayEventReceiver; |
| |
| |
| // Called with SyncRoot lock held. |
| public LocalDisplayAdapter(DisplayManagerService.SyncRoot syncRoot, |
| Context context, Handler handler, Listener listener) { |
| super(syncRoot, context, handler, listener, TAG); |
| } |
| |
| @Override |
| public void registerLocked() { |
| super.registerLocked(); |
| |
| mPhysicalDisplayEventReceiver = new PhysicalDisplayEventReceiver(getHandler().getLooper()); |
| |
| for (long physicalDisplayId : SurfaceControl.getPhysicalDisplayIds()) { |
| tryConnectDisplayLocked(physicalDisplayId); |
| } |
| } |
| |
| private void tryConnectDisplayLocked(long physicalDisplayId) { |
| final IBinder displayToken = SurfaceControl.getPhysicalDisplayToken(physicalDisplayId); |
| if (displayToken != null) { |
| SurfaceControl.DisplayInfo info = SurfaceControl.getDisplayInfo(displayToken); |
| if (info == null) { |
| Slog.w(TAG, "No valid info found for display device " + physicalDisplayId); |
| return; |
| } |
| SurfaceControl.DisplayConfig[] configs = SurfaceControl.getDisplayConfigs(displayToken); |
| if (configs == null) { |
| // There are no valid configs for this device, so we can't use it |
| Slog.w(TAG, "No valid configs found for display device " + physicalDisplayId); |
| return; |
| } |
| int activeConfig = SurfaceControl.getActiveConfig(displayToken); |
| if (activeConfig < 0) { |
| // There is no active config, and for now we don't have the |
| // policy to set one. |
| Slog.w(TAG, "No active config found for display device " + physicalDisplayId); |
| return; |
| } |
| int activeColorMode = SurfaceControl.getActiveColorMode(displayToken); |
| if (activeColorMode < 0) { |
| // We failed to get the active color mode. We don't bail out here since on the next |
| // configuration pass we'll go ahead and set it to whatever it was set to last (or |
| // COLOR_MODE_NATIVE if this is the first configuration). |
| Slog.w(TAG, "Unable to get active color mode for display device " + |
| physicalDisplayId); |
| activeColorMode = Display.COLOR_MODE_INVALID; |
| } |
| SurfaceControl.DesiredDisplayConfigSpecs configSpecs = |
| SurfaceControl.getDesiredDisplayConfigSpecs(displayToken); |
| int[] colorModes = SurfaceControl.getDisplayColorModes(displayToken); |
| Display.HdrCapabilities hdrCapabilities = |
| SurfaceControl.getHdrCapabilities(displayToken); |
| LocalDisplayDevice device = mDevices.get(physicalDisplayId); |
| if (device == null) { |
| // Display was added. |
| final boolean isDefaultDisplay = mDevices.size() == 0; |
| device = new LocalDisplayDevice(displayToken, physicalDisplayId, info, |
| configs, activeConfig, configSpecs, colorModes, activeColorMode, |
| hdrCapabilities, isDefaultDisplay); |
| mDevices.put(physicalDisplayId, device); |
| sendDisplayDeviceEventLocked(device, DISPLAY_DEVICE_EVENT_ADDED); |
| } else if (device.updateDisplayProperties(configs, activeConfig, |
| configSpecs, colorModes, activeColorMode, hdrCapabilities)) { |
| sendDisplayDeviceEventLocked(device, DISPLAY_DEVICE_EVENT_CHANGED); |
| } |
| } else { |
| // The display is no longer available. Ignore the attempt to add it. |
| // If it was connected but has already been disconnected, we'll get a |
| // disconnect event that will remove it from mDevices. |
| } |
| } |
| |
| private void tryDisconnectDisplayLocked(long physicalDisplayId) { |
| LocalDisplayDevice device = mDevices.get(physicalDisplayId); |
| if (device != null) { |
| // Display was removed. |
| mDevices.remove(physicalDisplayId); |
| sendDisplayDeviceEventLocked(device, DISPLAY_DEVICE_EVENT_REMOVED); |
| } |
| } |
| |
| static int getPowerModeForState(int state) { |
| switch (state) { |
| case Display.STATE_OFF: |
| return SurfaceControl.POWER_MODE_OFF; |
| case Display.STATE_DOZE: |
| return SurfaceControl.POWER_MODE_DOZE; |
| case Display.STATE_DOZE_SUSPEND: |
| return SurfaceControl.POWER_MODE_DOZE_SUSPEND; |
| case Display.STATE_ON_SUSPEND: |
| return SurfaceControl.POWER_MODE_ON_SUSPEND; |
| default: |
| return SurfaceControl.POWER_MODE_NORMAL; |
| } |
| } |
| |
| private final class LocalDisplayDevice extends DisplayDevice { |
| private final long mPhysicalDisplayId; |
| private final LogicalLight mBacklight; |
| private final SparseArray<DisplayModeRecord> mSupportedModes = new SparseArray<>(); |
| private final ArrayList<Integer> mSupportedColorModes = new ArrayList<>(); |
| private final boolean mIsDefaultDisplay; |
| |
| private DisplayDeviceInfo mInfo; |
| private boolean mHavePendingChanges; |
| private int mState = Display.STATE_UNKNOWN; |
| private float mBrightnessState = PowerManager.BRIGHTNESS_INVALID_FLOAT; |
| private int mDefaultModeId; |
| private int mDefaultConfigGroup; |
| private int mActiveModeId; |
| private boolean mActiveModeInvalid; |
| private DisplayModeDirector.DesiredDisplayModeSpecs mDisplayModeSpecs = |
| new DisplayModeDirector.DesiredDisplayModeSpecs(); |
| private boolean mDisplayModeSpecsInvalid; |
| private int mActiveConfigId; |
| private int mActiveColorMode; |
| private boolean mActiveColorModeInvalid; |
| private Display.HdrCapabilities mHdrCapabilities; |
| private boolean mAllmSupported; |
| private boolean mGameContentTypeSupported; |
| private boolean mAllmRequested; |
| private boolean mGameContentTypeRequested; |
| private boolean mSidekickActive; |
| private SidekickInternal mSidekickInternal; |
| private SurfaceControl.DisplayInfo mDisplayInfo; |
| private SurfaceControl.DisplayConfig[] mDisplayConfigs; |
| private Spline mSystemBrightnessToNits; |
| private Spline mNitsToHalBrightness; |
| private boolean mHalBrightnessSupport; |
| |
| private DisplayDeviceConfig mDisplayDeviceConfig; |
| |
| LocalDisplayDevice(IBinder displayToken, long physicalDisplayId, |
| SurfaceControl.DisplayInfo info, SurfaceControl.DisplayConfig[] configs, |
| int activeConfigId, SurfaceControl.DesiredDisplayConfigSpecs configSpecs, |
| int[] colorModes, int activeColorMode, Display.HdrCapabilities hdrCapabilities, |
| boolean isDefaultDisplay) { |
| super(LocalDisplayAdapter.this, displayToken, UNIQUE_ID_PREFIX + physicalDisplayId); |
| mPhysicalDisplayId = physicalDisplayId; |
| mIsDefaultDisplay = isDefaultDisplay; |
| mDisplayInfo = info; |
| updateDisplayProperties(configs, activeConfigId, configSpecs, colorModes, |
| activeColorMode, hdrCapabilities); |
| mSidekickInternal = LocalServices.getService(SidekickInternal.class); |
| if (mIsDefaultDisplay) { |
| LightsManager lights = LocalServices.getService(LightsManager.class); |
| mBacklight = lights.getLight(LightsManager.LIGHT_ID_BACKLIGHT); |
| } else { |
| mBacklight = null; |
| } |
| mAllmSupported = SurfaceControl.getAutoLowLatencyModeSupport(displayToken); |
| mGameContentTypeSupported = SurfaceControl.getGameContentTypeSupport(displayToken); |
| mHalBrightnessSupport = SurfaceControl.getDisplayBrightnessSupport(displayToken); |
| mDisplayDeviceConfig = null; |
| // Defer configuration file loading |
| BackgroundThread.getHandler().sendMessage(PooledLambda.obtainMessage( |
| LocalDisplayDevice::loadDisplayConfigurationBrightnessMapping, this)); |
| } |
| |
| @Override |
| public boolean hasStableUniqueId() { |
| return true; |
| } |
| |
| /** |
| * Returns true if there is a change. |
| **/ |
| public boolean updateDisplayProperties(SurfaceControl.DisplayConfig[] configs, |
| int activeConfigId, SurfaceControl.DesiredDisplayConfigSpecs configSpecs, |
| int[] colorModes, int activeColorMode, Display.HdrCapabilities hdrCapabilities) { |
| boolean changed = updateDisplayConfigsLocked(configs, activeConfigId, configSpecs); |
| changed |= updateColorModesLocked(colorModes, activeColorMode); |
| changed |= updateHdrCapabilitiesLocked(hdrCapabilities); |
| return changed; |
| } |
| |
| public boolean updateDisplayConfigsLocked( |
| SurfaceControl.DisplayConfig[] configs, int activeConfigId, |
| SurfaceControl.DesiredDisplayConfigSpecs configSpecs) { |
| mDisplayConfigs = Arrays.copyOf(configs, configs.length); |
| mActiveConfigId = activeConfigId; |
| // Build an updated list of all existing modes. |
| ArrayList<DisplayModeRecord> records = new ArrayList<>(); |
| boolean modesAdded = false; |
| for (int i = 0; i < configs.length; i++) { |
| SurfaceControl.DisplayConfig config = configs[i]; |
| // First, check to see if we've already added a matching mode. Since not all |
| // configuration options are exposed via Display.Mode, it's possible that we have |
| // multiple DisplayConfigs that would generate the same Display.Mode. |
| boolean existingMode = false; |
| for (int j = 0; j < records.size(); j++) { |
| if (records.get(j).hasMatchingMode(config)) { |
| existingMode = true; |
| break; |
| } |
| } |
| if (existingMode) { |
| continue; |
| } |
| // If we haven't already added a mode for this configuration to the new set of |
| // supported modes then check to see if we have one in the prior set of supported |
| // modes to reuse. |
| DisplayModeRecord record = findDisplayModeRecord(config); |
| if (record == null) { |
| record = new DisplayModeRecord(config); |
| modesAdded = true; |
| } |
| records.add(record); |
| } |
| |
| // Get the currently active mode |
| DisplayModeRecord activeRecord = null; |
| for (int i = 0; i < records.size(); i++) { |
| DisplayModeRecord record = records.get(i); |
| if (record.hasMatchingMode(configs[activeConfigId])) { |
| activeRecord = record; |
| break; |
| } |
| } |
| |
| // Check whether surface flinger spontaneously changed modes out from under us. |
| // Schedule traversals to ensure that the correct state is reapplied if necessary. |
| if (mActiveModeId != NO_DISPLAY_MODE_ID |
| && mActiveModeId != activeRecord.mMode.getModeId()) { |
| mActiveModeInvalid = true; |
| sendTraversalRequestLocked(); |
| } |
| |
| // Check whether surface flinger spontaneously changed display config specs out from |
| // under us. If so, schedule a traversal to reapply our display config specs. |
| if (mDisplayModeSpecs.baseModeId != NO_DISPLAY_MODE_ID) { |
| int activeBaseMode = findMatchingModeIdLocked(configSpecs.defaultConfig); |
| // If we can't map the defaultConfig index to a mode, then the physical display |
| // configs must have changed, and the code below for handling changes to the |
| // list of available modes will take care of updating display config specs. |
| if (activeBaseMode != NO_DISPLAY_MODE_ID) { |
| if (mDisplayModeSpecs.baseModeId != activeBaseMode |
| || mDisplayModeSpecs.primaryRefreshRateRange.min |
| != configSpecs.primaryRefreshRateMin |
| || mDisplayModeSpecs.primaryRefreshRateRange.max |
| != configSpecs.primaryRefreshRateMax |
| || mDisplayModeSpecs.appRequestRefreshRateRange.min |
| != configSpecs.appRequestRefreshRateMin |
| || mDisplayModeSpecs.appRequestRefreshRateRange.max |
| != configSpecs.appRequestRefreshRateMax) { |
| mDisplayModeSpecsInvalid = true; |
| sendTraversalRequestLocked(); |
| } |
| } |
| } |
| |
| boolean recordsChanged = records.size() != mSupportedModes.size() || modesAdded; |
| // If the records haven't changed then we're done here. |
| if (!recordsChanged) { |
| return false; |
| } |
| // Update the index of modes. |
| mHavePendingChanges = true; |
| |
| mSupportedModes.clear(); |
| for (DisplayModeRecord record : records) { |
| mSupportedModes.put(record.mMode.getModeId(), record); |
| } |
| |
| // For a new display, we need to initialize the default mode ID. |
| if (mDefaultModeId == NO_DISPLAY_MODE_ID) { |
| mDefaultModeId = activeRecord.mMode.getModeId(); |
| mDefaultConfigGroup = configs[activeConfigId].configGroup; |
| } else if (modesAdded && mActiveModeId != activeRecord.mMode.getModeId()) { |
| Slog.d(TAG, "New display modes are added and the active mode has changed, " |
| + "use active mode as default mode."); |
| mActiveModeId = activeRecord.mMode.getModeId(); |
| mDefaultModeId = activeRecord.mMode.getModeId(); |
| mDefaultConfigGroup = configs[activeConfigId].configGroup; |
| } else if (findDisplayConfigIdLocked(mDefaultModeId, mDefaultConfigGroup) < 0) { |
| Slog.w(TAG, "Default display mode no longer available, using currently" |
| + " active mode as default."); |
| mDefaultModeId = activeRecord.mMode.getModeId(); |
| mDefaultConfigGroup = configs[activeConfigId].configGroup; |
| } |
| |
| // Determine whether the display mode specs' base mode is still there. |
| if (mSupportedModes.indexOfKey(mDisplayModeSpecs.baseModeId) < 0) { |
| if (mDisplayModeSpecs.baseModeId != NO_DISPLAY_MODE_ID) { |
| Slog.w(TAG, |
| "DisplayModeSpecs base mode no longer available, using currently" |
| + " active mode."); |
| } |
| mDisplayModeSpecs.baseModeId = activeRecord.mMode.getModeId(); |
| mDisplayModeSpecsInvalid = true; |
| } |
| |
| // Determine whether the active mode is still there. |
| if (mSupportedModes.indexOfKey(mActiveModeId) < 0) { |
| if (mActiveModeId != NO_DISPLAY_MODE_ID) { |
| Slog.w(TAG, "Active display mode no longer available, reverting to default" |
| + " mode."); |
| } |
| mActiveModeId = mDefaultModeId; |
| mActiveModeInvalid = true; |
| } |
| |
| // Schedule traversals so that we apply pending changes. |
| sendTraversalRequestLocked(); |
| return true; |
| } |
| |
| @Override |
| public DisplayDeviceConfig getDisplayDeviceConfig() { |
| return mDisplayDeviceConfig; |
| } |
| |
| private void loadDisplayConfigurationBrightnessMapping() { |
| Spline nitsToHal = null; |
| Spline sysToNits = null; |
| |
| // Load the mapping from nits to HAL brightness range (display-device-config.xml) |
| DisplayDeviceConfig config = DisplayDeviceConfig.create(mPhysicalDisplayId); |
| mDisplayDeviceConfig = config; |
| if (config == null) { |
| return; |
| } |
| final float[] halNits = mDisplayDeviceConfig.getNits(); |
| final float[] halBrightness = mDisplayDeviceConfig.getBrightness(); |
| if (halNits == null || halBrightness == null) { |
| return; |
| } |
| nitsToHal = Spline.createSpline(halNits, halBrightness); |
| |
| // Load the mapping from system brightness range to nits (config.xml) |
| final Resources res = getOverlayContext().getResources(); |
| final float[] sysNits = BrightnessMappingStrategy.getFloatArray(res.obtainTypedArray( |
| com.android.internal.R.array.config_screenBrightnessNits)); |
| final int[] sysBrightness = res.getIntArray( |
| com.android.internal.R.array.config_screenBrightnessBacklight); |
| if (sysNits.length == 0 || sysBrightness.length != sysNits.length) { |
| return; |
| } |
| final float[] sysBrightnessFloat = new float[sysBrightness.length]; |
| for (int i = 0; i < sysBrightness.length; i++) { |
| sysBrightnessFloat[i] = sysBrightness[i]; |
| } |
| sysToNits = Spline.createSpline(sysBrightnessFloat, sysNits); |
| |
| mNitsToHalBrightness = nitsToHal; |
| mSystemBrightnessToNits = sysToNits; |
| } |
| |
| private boolean updateColorModesLocked(int[] colorModes, int activeColorMode) { |
| if (colorModes == null) { |
| return false; |
| } |
| |
| List<Integer> pendingColorModes = new ArrayList<>(); |
| // Build an updated list of all existing color modes. |
| boolean colorModesAdded = false; |
| for (int colorMode : colorModes) { |
| if (!mSupportedColorModes.contains(colorMode)) { |
| colorModesAdded = true; |
| } |
| pendingColorModes.add(colorMode); |
| } |
| |
| boolean colorModesChanged = |
| pendingColorModes.size() != mSupportedColorModes.size() |
| || colorModesAdded; |
| |
| // If the supported color modes haven't changed then we're done here. |
| if (!colorModesChanged) { |
| return false; |
| } |
| |
| mHavePendingChanges = true; |
| |
| mSupportedColorModes.clear(); |
| mSupportedColorModes.addAll(pendingColorModes); |
| Collections.sort(mSupportedColorModes); |
| |
| // Determine whether the active color mode is still there. |
| if (!mSupportedColorModes.contains(mActiveColorMode)) { |
| if (mActiveColorMode != 0) { |
| Slog.w(TAG, "Active color mode no longer available, reverting" |
| + " to default mode."); |
| mActiveColorMode = Display.COLOR_MODE_DEFAULT; |
| mActiveColorModeInvalid = true; |
| } else { |
| if (!mSupportedColorModes.isEmpty()) { |
| // This should never happen. |
| Slog.e(TAG, "Default and active color mode is no longer available!" |
| + " Reverting to first available mode."); |
| mActiveColorMode = mSupportedColorModes.get(0); |
| mActiveColorModeInvalid = true; |
| } else { |
| // This should really never happen. |
| Slog.e(TAG, "No color modes available!"); |
| } |
| } |
| } |
| return true; |
| } |
| |
| private boolean updateHdrCapabilitiesLocked(Display.HdrCapabilities newHdrCapabilities) { |
| // If the HDR capabilities haven't changed, then we're done here. |
| if (Objects.equals(mHdrCapabilities, newHdrCapabilities)) { |
| return false; |
| } |
| mHdrCapabilities = newHdrCapabilities; |
| return true; |
| } |
| |
| private DisplayModeRecord findDisplayModeRecord(SurfaceControl.DisplayConfig config) { |
| for (int i = 0; i < mSupportedModes.size(); i++) { |
| DisplayModeRecord record = mSupportedModes.valueAt(i); |
| if (record.hasMatchingMode(config)) { |
| return record; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void applyPendingDisplayDeviceInfoChangesLocked() { |
| if (mHavePendingChanges) { |
| mInfo = null; |
| mHavePendingChanges = false; |
| } |
| } |
| |
| @Override |
| public DisplayDeviceInfo getDisplayDeviceInfoLocked() { |
| if (mInfo == null) { |
| SurfaceControl.DisplayConfig config = mDisplayConfigs[mActiveConfigId]; |
| mInfo = new DisplayDeviceInfo(); |
| mInfo.width = config.width; |
| mInfo.height = config.height; |
| mInfo.modeId = mActiveModeId; |
| mInfo.defaultModeId = mDefaultModeId; |
| mInfo.supportedModes = getDisplayModes(mSupportedModes); |
| mInfo.colorMode = mActiveColorMode; |
| mInfo.allmSupported = mAllmSupported; |
| mInfo.gameContentTypeSupported = mGameContentTypeSupported; |
| mInfo.supportedColorModes = |
| new int[mSupportedColorModes.size()]; |
| for (int i = 0; i < mSupportedColorModes.size(); i++) { |
| mInfo.supportedColorModes[i] = mSupportedColorModes.get(i); |
| } |
| mInfo.hdrCapabilities = mHdrCapabilities; |
| mInfo.appVsyncOffsetNanos = config.appVsyncOffsetNanos; |
| mInfo.presentationDeadlineNanos = config.presentationDeadlineNanos; |
| mInfo.state = mState; |
| mInfo.uniqueId = getUniqueId(); |
| final DisplayAddress.Physical physicalAddress = |
| DisplayAddress.fromPhysicalDisplayId(mPhysicalDisplayId); |
| mInfo.address = physicalAddress; |
| mInfo.densityDpi = (int) (mDisplayInfo.density * 160 + 0.5f); |
| mInfo.xDpi = config.xDpi; |
| mInfo.yDpi = config.yDpi; |
| mInfo.deviceProductInfo = mDisplayInfo.deviceProductInfo; |
| |
| // Assume that all built-in displays that have secure output (eg. HDCP) also |
| // support compositing from gralloc protected buffers. |
| if (mDisplayInfo.secure) { |
| mInfo.flags = DisplayDeviceInfo.FLAG_SECURE |
| | DisplayDeviceInfo.FLAG_SUPPORTS_PROTECTED_BUFFERS; |
| } |
| |
| final Resources res = getOverlayContext().getResources(); |
| |
| if (mIsDefaultDisplay) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_DEFAULT_DISPLAY; |
| |
| if (res.getBoolean(com.android.internal.R.bool.config_mainBuiltInDisplayIsRound) |
| || (Build.IS_EMULATOR |
| && SystemProperties.getBoolean(PROPERTY_EMULATOR_CIRCULAR, false))) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_ROUND; |
| } |
| if (res.getBoolean( |
| com.android.internal.R.bool.config_maskMainBuiltInDisplayCutout)) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_MASK_DISPLAY_CUTOUT; |
| } |
| mInfo.displayCutout = DisplayCutout.fromResourcesRectApproximation(res, |
| mInfo.width, mInfo.height); |
| } else { |
| if (!res.getBoolean( |
| com.android.internal.R.bool.config_localDisplaysMirrorContent)) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_OWN_CONTENT_ONLY; |
| } |
| |
| if (isDisplayPrivate(physicalAddress)) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_PRIVATE; |
| } |
| } |
| |
| if (mDisplayInfo.isInternal) { |
| mInfo.type = Display.TYPE_INTERNAL; |
| mInfo.touch = DisplayDeviceInfo.TOUCH_INTERNAL; |
| mInfo.flags |= DisplayDeviceInfo.FLAG_ROTATES_WITH_CONTENT; |
| mInfo.name = res.getString( |
| com.android.internal.R.string.display_manager_built_in_display_name); |
| } else { |
| mInfo.type = Display.TYPE_EXTERNAL; |
| mInfo.touch = DisplayDeviceInfo.TOUCH_EXTERNAL; |
| mInfo.flags |= DisplayDeviceInfo.FLAG_PRESENTATION; |
| mInfo.name = getContext().getResources().getString( |
| com.android.internal.R.string.display_manager_hdmi_display_name); |
| } |
| } |
| return mInfo; |
| } |
| |
| @Override |
| public Runnable requestDisplayStateLocked(final int state, final float brightnessState) { |
| // Assume that the brightness is off if the display is being turned off. |
| assert state != Display.STATE_OFF || BrightnessSynchronizer.floatEquals( |
| brightnessState, PowerManager.BRIGHTNESS_OFF_FLOAT); |
| final boolean stateChanged = (mState != state); |
| final boolean brightnessChanged = (!BrightnessSynchronizer.floatEquals( |
| mBrightnessState, brightnessState)) |
| && mBacklight != null; |
| if (stateChanged || brightnessChanged) { |
| final long physicalDisplayId = mPhysicalDisplayId; |
| final IBinder token = getDisplayTokenLocked(); |
| final int oldState = mState; |
| |
| if (stateChanged) { |
| mState = state; |
| updateDeviceInfoLocked(); |
| } |
| |
| if (brightnessChanged) { |
| mBrightnessState = brightnessState; |
| } |
| |
| // Defer actually setting the display state until after we have exited |
| // the critical section since it can take hundreds of milliseconds |
| // to complete. |
| return new Runnable() { |
| @Override |
| public void run() { |
| // Exit a suspended state before making any changes. |
| int currentState = oldState; |
| if (Display.isSuspendedState(oldState) |
| || oldState == Display.STATE_UNKNOWN) { |
| if (!Display.isSuspendedState(state)) { |
| setDisplayState(state); |
| currentState = state; |
| } else if (state == Display.STATE_DOZE_SUSPEND |
| || oldState == Display.STATE_DOZE_SUSPEND) { |
| setDisplayState(Display.STATE_DOZE); |
| currentState = Display.STATE_DOZE; |
| } else if (state == Display.STATE_ON_SUSPEND |
| || oldState == Display.STATE_ON_SUSPEND) { |
| setDisplayState(Display.STATE_ON); |
| currentState = Display.STATE_ON; |
| } else { |
| return; // old state and new state is off |
| } |
| } |
| |
| // If the state change was from or to VR, then we need to tell the light |
| // so that it can apply appropriate VR brightness settings. Also, update the |
| // brightness so the state is propogated to light. |
| boolean vrModeChange = false; |
| if ((state == Display.STATE_VR || currentState == Display.STATE_VR) && |
| currentState != state) { |
| setVrMode(state == Display.STATE_VR); |
| vrModeChange = true; |
| } |
| |
| // Apply brightness changes given that we are in a non-suspended state. |
| if (brightnessChanged || vrModeChange) { |
| setDisplayBrightness(brightnessState); |
| } |
| |
| // Enter the final desired state, possibly suspended. |
| if (state != currentState) { |
| setDisplayState(state); |
| } |
| } |
| |
| private void setVrMode(boolean isVrEnabled) { |
| if (DEBUG) { |
| Slog.d(TAG, "setVrMode(" |
| + "id=" + physicalDisplayId |
| + ", state=" + Display.stateToString(state) + ")"); |
| } |
| if (mBacklight != null) { |
| mBacklight.setVrMode(isVrEnabled); |
| } |
| } |
| |
| private void setDisplayState(int state) { |
| if (DEBUG) { |
| Slog.d(TAG, "setDisplayState(" |
| + "id=" + physicalDisplayId |
| + ", state=" + Display.stateToString(state) + ")"); |
| } |
| |
| // We must tell sidekick to stop controlling the display before we |
| // can change its power mode, so do that first. |
| if (mSidekickActive) { |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, |
| "SidekickInternal#endDisplayControl"); |
| try { |
| mSidekickInternal.endDisplayControl(); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| mSidekickActive = false; |
| } |
| final int mode = getPowerModeForState(state); |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "setDisplayState(" |
| + "id=" + physicalDisplayId |
| + ", state=" + Display.stateToString(state) + ")"); |
| try { |
| SurfaceControl.setDisplayPowerMode(token, mode); |
| Trace.traceCounter(Trace.TRACE_TAG_POWER, "DisplayPowerMode", mode); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| // If we're entering a suspended (but not OFF) power state and we |
| // have a sidekick available, tell it now that it can take control. |
| if (Display.isSuspendedState(state) && state != Display.STATE_OFF |
| && mSidekickInternal != null && !mSidekickActive) { |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, |
| "SidekickInternal#startDisplayControl"); |
| try { |
| mSidekickActive = mSidekickInternal.startDisplayControl(state); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| } |
| } |
| |
| private void setDisplayBrightness(float brightness) { |
| if (DEBUG) { |
| Slog.d(TAG, "setDisplayBrightness(" |
| + "id=" + physicalDisplayId |
| + ", brightness=" + brightness + ")"); |
| } |
| |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "setDisplayBrightness(" |
| + "id=" + physicalDisplayId + ", brightness=" + brightness + ")"); |
| try { |
| // TODO: make it float |
| if (isHalBrightnessRangeSpecified()) { |
| brightness = displayBrightnessToHalBrightness( |
| BrightnessSynchronizer.brightnessFloatToInt(getContext(), |
| brightness)); |
| } |
| if (mBacklight != null) { |
| mBacklight.setBrightness(brightness); |
| } |
| Trace.traceCounter(Trace.TRACE_TAG_POWER, |
| "ScreenBrightness", |
| BrightnessSynchronizer.brightnessFloatToInt( |
| getContext(), brightness)); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| } |
| |
| private boolean isHalBrightnessRangeSpecified() { |
| return !(mSystemBrightnessToNits == null || mNitsToHalBrightness == null); |
| } |
| |
| /** |
| * Converts brightness range from the framework's brightness space to the |
| * Hal brightness space if the HAL brightness space has been provided via |
| * a display device configuration file. |
| */ |
| private float displayBrightnessToHalBrightness(int brightness) { |
| if (!isHalBrightnessRangeSpecified()) { |
| return PowerManager.BRIGHTNESS_INVALID_FLOAT; |
| } |
| |
| if (brightness == 0) { |
| return PowerManager.BRIGHTNESS_OFF_FLOAT; |
| } |
| |
| final float nits = mSystemBrightnessToNits.interpolate(brightness); |
| final float halBrightness = mNitsToHalBrightness.interpolate(nits); |
| return halBrightness; |
| } |
| }; |
| } |
| return null; |
| } |
| |
| @Override |
| public void setRequestedColorModeLocked(int colorMode) { |
| requestColorModeLocked(colorMode); |
| } |
| |
| @Override |
| public void setDesiredDisplayModeSpecsLocked( |
| DisplayModeDirector.DesiredDisplayModeSpecs displayModeSpecs) { |
| if (displayModeSpecs.baseModeId == 0) { |
| // Bail if the caller is requesting a null mode. We'll get called again shortly with |
| // a valid mode. |
| return; |
| } |
| |
| // Find the config Id based on the desired mode specs. In case there is more than one |
| // config matching the mode spec, prefer the one that is in the default config group. |
| // For now the default config group is taken from the active config when we got the |
| // hotplug event for the display. In the future we might want to change the default |
| // config based on vendor requirements. |
| // Note: We prefer the default config group over the current one as this is the config |
| // group the vendor prefers. |
| int baseConfigId = findDisplayConfigIdLocked(displayModeSpecs.baseModeId, |
| mDefaultConfigGroup); |
| if (baseConfigId < 0) { |
| // When a display is hotplugged, it's possible for a mode to be removed that was |
| // previously valid. Because of the way display changes are propagated through the |
| // framework, and the caching of the display mode specs in LogicalDisplay, it's |
| // possible we'll get called with a stale mode id that no longer represents a valid |
| // mode. This should only happen in extremely rare cases. A followup call will |
| // contain a valid mode id. |
| Slog.w(TAG, |
| "Ignoring request for invalid base mode id " + displayModeSpecs.baseModeId); |
| updateDeviceInfoLocked(); |
| return; |
| } |
| if (mDisplayModeSpecsInvalid || !displayModeSpecs.equals(mDisplayModeSpecs)) { |
| mDisplayModeSpecsInvalid = false; |
| mDisplayModeSpecs.copyFrom(displayModeSpecs); |
| getHandler().sendMessage(PooledLambda.obtainMessage( |
| LocalDisplayDevice::setDesiredDisplayModeSpecsAsync, this, |
| getDisplayTokenLocked(), |
| new SurfaceControl.DesiredDisplayConfigSpecs(baseConfigId, |
| mDisplayModeSpecs.primaryRefreshRateRange.min, |
| mDisplayModeSpecs.primaryRefreshRateRange.max, |
| mDisplayModeSpecs.appRequestRefreshRateRange.min, |
| mDisplayModeSpecs.appRequestRefreshRateRange.max))); |
| } |
| } |
| |
| private void setDesiredDisplayModeSpecsAsync(IBinder displayToken, |
| SurfaceControl.DesiredDisplayConfigSpecs configSpecs) { |
| // Do not lock when calling these SurfaceControl methods because they are sync |
| // operations that may block for a while when setting display power mode. |
| SurfaceControl.setDesiredDisplayConfigSpecs(displayToken, configSpecs); |
| final int activePhysIndex = SurfaceControl.getActiveConfig(displayToken); |
| synchronized (getSyncRoot()) { |
| if (updateActiveModeLocked(activePhysIndex)) { |
| updateDeviceInfoLocked(); |
| } |
| } |
| } |
| |
| @Override |
| public void onOverlayChangedLocked() { |
| updateDeviceInfoLocked(); |
| } |
| |
| public void onActiveDisplayConfigChangedLocked(int configId) { |
| if (updateActiveModeLocked(configId)) { |
| updateDeviceInfoLocked(); |
| } |
| } |
| |
| public boolean updateActiveModeLocked(int activeConfigId) { |
| if (mActiveConfigId == activeConfigId) { |
| return false; |
| } |
| mActiveConfigId = activeConfigId; |
| mActiveModeId = findMatchingModeIdLocked(activeConfigId); |
| mActiveModeInvalid = mActiveModeId == NO_DISPLAY_MODE_ID; |
| if (mActiveModeInvalid) { |
| Slog.w(TAG, "In unknown mode after setting allowed configs" |
| + ", activeConfigId=" + mActiveConfigId); |
| } |
| return true; |
| } |
| |
| public void requestColorModeLocked(int colorMode) { |
| if (mActiveColorMode == colorMode) { |
| return; |
| } |
| if (!mSupportedColorModes.contains(colorMode)) { |
| Slog.w(TAG, "Unable to find color mode " + colorMode |
| + ", ignoring request."); |
| return; |
| } |
| |
| mActiveColorMode = colorMode; |
| mActiveColorModeInvalid = false; |
| getHandler().sendMessage(PooledLambda.obtainMessage( |
| LocalDisplayDevice::requestColorModeAsync, this, |
| getDisplayTokenLocked(), colorMode)); |
| } |
| |
| private void requestColorModeAsync(IBinder displayToken, int colorMode) { |
| // Do not lock when calling this SurfaceControl method because it is a sync operation |
| // that may block for a while when setting display power mode. |
| SurfaceControl.setActiveColorMode(displayToken, colorMode); |
| synchronized (getSyncRoot()) { |
| updateDeviceInfoLocked(); |
| } |
| } |
| |
| @Override |
| public void setAutoLowLatencyModeLocked(boolean on) { |
| if (mAllmRequested == on) { |
| return; |
| } |
| |
| mAllmRequested = on; |
| |
| if (!mAllmSupported) { |
| Slog.d(TAG, "Unable to set ALLM because the connected display " |
| + "does not support ALLM."); |
| return; |
| } |
| |
| SurfaceControl.setAutoLowLatencyMode(getDisplayTokenLocked(), on); |
| } |
| |
| @Override |
| public void setGameContentTypeLocked(boolean on) { |
| if (mGameContentTypeRequested == on) { |
| return; |
| } |
| |
| mGameContentTypeRequested = on; |
| |
| if (!mGameContentTypeSupported) { |
| Slog.d(TAG, "Unable to set game content type because the connected " |
| + "display does not support game content type."); |
| return; |
| } |
| |
| SurfaceControl.setGameContentType(getDisplayTokenLocked(), on); |
| } |
| |
| @Override |
| public void dumpLocked(PrintWriter pw) { |
| super.dumpLocked(pw); |
| pw.println("mPhysicalDisplayId=" + mPhysicalDisplayId); |
| pw.println("mDisplayModeSpecs={" + mDisplayModeSpecs + "}"); |
| pw.println("mDisplayModeSpecsInvalid=" + mDisplayModeSpecsInvalid); |
| pw.println("mActiveConfigId=" + mActiveConfigId); |
| pw.println("mActiveModeId=" + mActiveModeId); |
| pw.println("mActiveColorMode=" + mActiveColorMode); |
| pw.println("mDefaultModeId=" + mDefaultModeId); |
| pw.println("mState=" + Display.stateToString(mState)); |
| pw.println("mBrightnessState=" + mBrightnessState); |
| pw.println("mBacklight=" + mBacklight); |
| pw.println("mAllmSupported=" + mAllmSupported); |
| pw.println("mAllmRequested=" + mAllmRequested); |
| pw.println("mGameContentTypeSupported=" + mGameContentTypeSupported); |
| pw.println("mGameContentTypeRequested=" + mGameContentTypeRequested); |
| pw.println("mDisplayInfo=" + mDisplayInfo); |
| pw.println("mDisplayConfigs="); |
| for (int i = 0; i < mDisplayConfigs.length; i++) { |
| pw.println(" " + mDisplayConfigs[i]); |
| } |
| pw.println("mSupportedModes="); |
| for (int i = 0; i < mSupportedModes.size(); i++) { |
| pw.println(" " + mSupportedModes.valueAt(i)); |
| } |
| pw.print("mSupportedColorModes=" + mSupportedColorModes.toString()); |
| } |
| |
| private int findDisplayConfigIdLocked(int modeId, int configGroup) { |
| int matchingConfigId = SurfaceControl.DisplayConfig.INVALID_DISPLAY_CONFIG_ID; |
| DisplayModeRecord record = mSupportedModes.get(modeId); |
| if (record != null) { |
| for (int i = 0; i < mDisplayConfigs.length; i++) { |
| SurfaceControl.DisplayConfig config = mDisplayConfigs[i]; |
| if (record.hasMatchingMode(config)) { |
| if (matchingConfigId |
| == SurfaceControl.DisplayConfig.INVALID_DISPLAY_CONFIG_ID) { |
| matchingConfigId = i; |
| } |
| |
| // Prefer to return a config that matches the configGroup |
| if (config.configGroup == configGroup) { |
| return i; |
| } |
| } |
| } |
| } |
| return matchingConfigId; |
| } |
| |
| private int findMatchingModeIdLocked(int configId) { |
| SurfaceControl.DisplayConfig config = mDisplayConfigs[configId]; |
| for (int i = 0; i < mSupportedModes.size(); i++) { |
| DisplayModeRecord record = mSupportedModes.valueAt(i); |
| if (record.hasMatchingMode(config)) { |
| return record.mMode.getModeId(); |
| } |
| } |
| return NO_DISPLAY_MODE_ID; |
| } |
| |
| private void updateDeviceInfoLocked() { |
| mInfo = null; |
| sendDisplayDeviceEventLocked(this, DISPLAY_DEVICE_EVENT_CHANGED); |
| } |
| |
| private Display.Mode[] getDisplayModes(SparseArray<DisplayModeRecord> records) { |
| final int size = records.size(); |
| Display.Mode[] modes = new Display.Mode[size]; |
| for (int i = 0; i < size; i++) { |
| DisplayModeRecord record = records.valueAt(i); |
| modes[i] = record.mMode; |
| } |
| return modes; |
| } |
| |
| private boolean isDisplayPrivate(DisplayAddress.Physical physicalAddress) { |
| if (physicalAddress == null) { |
| return false; |
| } |
| final Resources res = getOverlayContext().getResources(); |
| int[] ports = res.getIntArray( |
| com.android.internal.R.array.config_localPrivateDisplayPorts); |
| if (ports != null) { |
| int port = Byte.toUnsignedInt(physicalAddress.getPort()); |
| for (int p : ports) { |
| if (p == port) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| } |
| |
| /** Supplies a context whose Resources apply runtime-overlays */ |
| Context getOverlayContext() { |
| return ActivityThread.currentActivityThread().getSystemUiContext(); |
| } |
| |
| /** |
| * Keeps track of a display configuration. |
| */ |
| private static final class DisplayModeRecord { |
| public final Display.Mode mMode; |
| |
| DisplayModeRecord(SurfaceControl.DisplayConfig config) { |
| mMode = createMode(config.width, config.height, config.refreshRate); |
| } |
| |
| /** |
| * Returns whether the mode generated by the given DisplayConfig matches the mode |
| * contained by the record modulo mode ID. |
| * |
| * Note that this doesn't necessarily mean that the DisplayConfigs are identical, just |
| * that they generate identical modes. |
| */ |
| public boolean hasMatchingMode(SurfaceControl.DisplayConfig config) { |
| int modeRefreshRate = Float.floatToIntBits(mMode.getRefreshRate()); |
| int configRefreshRate = Float.floatToIntBits(config.refreshRate); |
| return mMode.getPhysicalWidth() == config.width |
| && mMode.getPhysicalHeight() == config.height |
| && modeRefreshRate == configRefreshRate; |
| } |
| |
| public String toString() { |
| return "DisplayModeRecord{mMode=" + mMode + "}"; |
| } |
| } |
| |
| private final class PhysicalDisplayEventReceiver extends DisplayEventReceiver { |
| PhysicalDisplayEventReceiver(Looper looper) { |
| super(looper, VSYNC_SOURCE_APP, CONFIG_CHANGED_EVENT_DISPATCH); |
| } |
| |
| @Override |
| public void onHotplug(long timestampNanos, long physicalDisplayId, boolean connected) { |
| synchronized (getSyncRoot()) { |
| if (connected) { |
| tryConnectDisplayLocked(physicalDisplayId); |
| } else { |
| tryDisconnectDisplayLocked(physicalDisplayId); |
| } |
| } |
| } |
| |
| @Override |
| public void onConfigChanged(long timestampNanos, long physicalDisplayId, int configId) { |
| if (DEBUG) { |
| Slog.d(TAG, "onConfigChanged(" |
| + "timestampNanos=" + timestampNanos |
| + ", physicalDisplayId=" + physicalDisplayId |
| + ", configId=" + configId + ")"); |
| } |
| synchronized (getSyncRoot()) { |
| LocalDisplayDevice device = mDevices.get(physicalDisplayId); |
| if (device == null) { |
| if (DEBUG) { |
| Slog.d(TAG, "Received config change for unhandled physical display: " |
| + "physicalDisplayId=" + physicalDisplayId); |
| } |
| return; |
| } |
| device.onActiveDisplayConfigChangedLocked(configId); |
| } |
| } |
| } |
| } |
