diff options
6 files changed, 227 insertions, 36 deletions
diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java index 70a1014a0c8c..caeceabf99f6 100644 --- a/services/core/java/com/android/server/display/DisplayPowerController.java +++ b/services/core/java/com/android/server/display/DisplayPowerController.java @@ -84,6 +84,7 @@ import com.android.server.display.brightness.BrightnessUtils; import com.android.server.display.brightness.DisplayBrightnessController; import com.android.server.display.brightness.clamper.BrightnessClamperController; import com.android.server.display.brightness.strategy.AutomaticBrightnessStrategy2; +import com.android.server.display.brightness.strategy.DisplayBrightnessStrategyConstants; import com.android.server.display.color.ColorDisplayService.ColorDisplayServiceInternal; import com.android.server.display.color.ColorDisplayService.ReduceBrightColorsListener; import com.android.server.display.config.HysteresisLevels; @@ -1440,45 +1441,52 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call brightnessState = clampScreenBrightness(brightnessState); } - // If there's an offload session, we need to set the initial doze brightness before - // the offload session starts controlling the brightness. - // During the transition DOZE_SUSPEND -> DOZE -> DOZE_SUSPEND, this brightness strategy - // will be selected again, meaning that no new brightness will be sent to the hardware and - // the display will stay at the brightness level set by the offload session. - if (Float.isNaN(brightnessState) && mFlags.isDisplayOffloadEnabled() - && Display.isDozeState(state) && mDisplayOffloadSession != null) { - if (mAutomaticBrightnessController != null - && mAutomaticBrightnessStrategy.shouldUseAutoBrightness()) { - // Use the auto-brightness curve and the last observed lux - rawBrightnessState = mAutomaticBrightnessController - .getAutomaticScreenBrightnessBasedOnLastUsedLux( - mTempBrightnessEvent); - } else { - rawBrightnessState = getDozeBrightnessForOffload(); - mTempBrightnessEvent.setFlags(mTempBrightnessEvent.getFlags() - | BrightnessEvent.FLAG_DOZE_SCALE); - } - - if (BrightnessUtils.isValidBrightnessValue(rawBrightnessState)) { - brightnessState = clampScreenBrightness(rawBrightnessState); - mBrightnessReasonTemp.setReason(BrightnessReason.REASON_DOZE_INITIAL); - + if (Display.isDozeState(state)) { + // If there's an offload session, we need to set the initial doze brightness before + // the offload session starts controlling the brightness. + // During the transition DOZE_SUSPEND -> DOZE -> DOZE_SUSPEND, this brightness strategy + // will be selected again, meaning that no new brightness will be sent to the hardware + // and the display will stay at the brightness level set by the offload session. + if ((Float.isNaN(brightnessState) + || displayBrightnessState.getDisplayBrightnessStrategyName() + .equals(DisplayBrightnessStrategyConstants.FALLBACK_BRIGHTNESS_STRATEGY_NAME)) + && mFlags.isDisplayOffloadEnabled() + && mDisplayOffloadSession != null) { if (mAutomaticBrightnessController != null && mAutomaticBrightnessStrategy.shouldUseAutoBrightness()) { - // Keep the brightness in the setting so that we can use it after the screen - // turns on, until a lux sample becomes available. We don't do this when - // auto-brightness is disabled - in that situation we still want to use - // the last brightness from when the screen was on. - updateScreenBrightnessSetting = currentBrightnessSetting != brightnessState; + // Use the auto-brightness curve and the last observed lux + rawBrightnessState = mAutomaticBrightnessController + .getAutomaticScreenBrightnessBasedOnLastUsedLux( + mTempBrightnessEvent); + } else { + rawBrightnessState = getDozeBrightnessForOffload(); + mTempBrightnessEvent.setFlags(mTempBrightnessEvent.getFlags() + | BrightnessEvent.FLAG_DOZE_SCALE); + } + + if (BrightnessUtils.isValidBrightnessValue(rawBrightnessState)) { + brightnessState = clampScreenBrightness(rawBrightnessState); + mBrightnessReasonTemp.setReason(BrightnessReason.REASON_DOZE_INITIAL); + + if (mAutomaticBrightnessController != null + && mAutomaticBrightnessStrategy.shouldUseAutoBrightness()) { + // Keep the brightness in the setting so that we can use it after the screen + // turns on, until a lux sample becomes available. We don't do this when + // auto-brightness is disabled - in that situation we still want to use + // the last brightness from when the screen was on. + updateScreenBrightnessSetting = currentBrightnessSetting != brightnessState; + } } } - } - // Use default brightness when dozing unless overridden. - if (Float.isNaN(brightnessState) && Display.isDozeState(state)) { - rawBrightnessState = mScreenBrightnessDozeConfig; - brightnessState = clampScreenBrightness(rawBrightnessState); - mBrightnessReasonTemp.setReason(BrightnessReason.REASON_DOZE_DEFAULT); + // Use default brightness when dozing unless overridden. + if (Float.isNaN(brightnessState) + || displayBrightnessState.getDisplayBrightnessStrategyName() + .equals(DisplayBrightnessStrategyConstants.FALLBACK_BRIGHTNESS_STRATEGY_NAME)) { + rawBrightnessState = mScreenBrightnessDozeConfig; + brightnessState = clampScreenBrightness(rawBrightnessState); + mBrightnessReasonTemp.setReason(BrightnessReason.REASON_DOZE_DEFAULT); + } } if (!mFlags.isRefactorDisplayPowerControllerEnabled()) { @@ -1502,7 +1510,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call } // Apply manual brightness. - if (Float.isNaN(brightnessState)) { + if (Float.isNaN(brightnessState) && !mFlags.isRefactorDisplayPowerControllerEnabled()) { rawBrightnessState = currentBrightnessSetting; brightnessState = clampScreenBrightness(rawBrightnessState); if (brightnessState != currentBrightnessSetting) { diff --git a/services/core/java/com/android/server/display/brightness/DisplayBrightnessStrategySelector.java b/services/core/java/com/android/server/display/brightness/DisplayBrightnessStrategySelector.java index 22a21a6c113c..75ef6889f64e 100644 --- a/services/core/java/com/android/server/display/brightness/DisplayBrightnessStrategySelector.java +++ b/services/core/java/com/android/server/display/brightness/DisplayBrightnessStrategySelector.java @@ -32,6 +32,7 @@ import com.android.server.display.brightness.strategy.AutomaticBrightnessStrateg import com.android.server.display.brightness.strategy.BoostBrightnessStrategy; import com.android.server.display.brightness.strategy.DisplayBrightnessStrategy; import com.android.server.display.brightness.strategy.DozeBrightnessStrategy; +import com.android.server.display.brightness.strategy.FallbackBrightnessStrategy; import com.android.server.display.brightness.strategy.FollowerBrightnessStrategy; import com.android.server.display.brightness.strategy.InvalidBrightnessStrategy; import com.android.server.display.brightness.strategy.OffloadBrightnessStrategy; @@ -85,6 +86,9 @@ public class DisplayBrightnessStrategySelector { @Nullable private final AutoBrightnessFallbackStrategy mAutoBrightnessFallbackStrategy; + @Nullable + private final FallbackBrightnessStrategy mFallbackBrightnessStrategy; + // A collective representation of all the strategies that the selector is aware of. This is // non null, but the strategies this is tracking can be null @NonNull @@ -134,11 +138,14 @@ public class DisplayBrightnessStrategySelector { } else { mOffloadBrightnessStrategy = null; } + mFallbackBrightnessStrategy = (mDisplayManagerFlags + .isRefactorDisplayPowerControllerEnabled()) + ? injector.getFallbackBrightnessStrategy() : null; mDisplayBrightnessStrategies = new DisplayBrightnessStrategy[]{mInvalidBrightnessStrategy, mScreenOffBrightnessStrategy, mDozeBrightnessStrategy, mFollowerBrightnessStrategy, mBoostBrightnessStrategy, mOverrideBrightnessStrategy, mTemporaryBrightnessStrategy, mAutomaticBrightnessStrategy1, mOffloadBrightnessStrategy, - mAutoBrightnessFallbackStrategy}; + mAutoBrightnessFallbackStrategy, mFallbackBrightnessStrategy}; mAllowAutoBrightnessWhileDozingConfig = context.getResources().getBoolean( R.bool.config_allowAutoBrightnessWhileDozing); mOldBrightnessStrategyName = mInvalidBrightnessStrategy.getName(); @@ -179,6 +186,12 @@ public class DisplayBrightnessStrategySelector { displayBrightnessStrategy = mOffloadBrightnessStrategy; } else if (isAutoBrightnessFallbackStrategyValid()) { displayBrightnessStrategy = mAutoBrightnessFallbackStrategy; + } else { + // This will become the ultimate fallback strategy once the flag has been fully rolled + // out + if (mDisplayManagerFlags.isRefactorDisplayPowerControllerEnabled()) { + displayBrightnessStrategy = mFallbackBrightnessStrategy; + } } if (mDisplayManagerFlags.isRefactorDisplayPowerControllerEnabled()) { @@ -347,5 +360,9 @@ public class DisplayBrightnessStrategySelector { AutoBrightnessFallbackStrategy getAutoBrightnessFallbackStrategy() { return new AutoBrightnessFallbackStrategy(/* injector= */ null); } + + FallbackBrightnessStrategy getFallbackBrightnessStrategy() { + return new FallbackBrightnessStrategy(); + } } } diff --git a/services/core/java/com/android/server/display/brightness/strategy/DisplayBrightnessStrategyConstants.java b/services/core/java/com/android/server/display/brightness/strategy/DisplayBrightnessStrategyConstants.java index 504683a55735..7b2f2b9d307b 100644 --- a/services/core/java/com/android/server/display/brightness/strategy/DisplayBrightnessStrategyConstants.java +++ b/services/core/java/com/android/server/display/brightness/strategy/DisplayBrightnessStrategyConstants.java @@ -18,4 +18,5 @@ package com.android.server.display.brightness.strategy; public class DisplayBrightnessStrategyConstants { static final String INVALID_BRIGHTNESS_STRATEGY_NAME = "InvalidBrightnessStrategy"; + public static final String FALLBACK_BRIGHTNESS_STRATEGY_NAME = "FallbackBrightnessStrategy"; } diff --git a/services/core/java/com/android/server/display/brightness/strategy/FallbackBrightnessStrategy.java b/services/core/java/com/android/server/display/brightness/strategy/FallbackBrightnessStrategy.java new file mode 100644 index 000000000000..3463649aa000 --- /dev/null +++ b/services/core/java/com/android/server/display/brightness/strategy/FallbackBrightnessStrategy.java @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2024 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.brightness.strategy; + +import android.annotation.NonNull; + +import com.android.server.display.DisplayBrightnessState; +import com.android.server.display.brightness.BrightnessReason; +import com.android.server.display.brightness.StrategyExecutionRequest; +import com.android.server.display.brightness.StrategySelectionNotifyRequest; + +import java.io.PrintWriter; + +/** + * Manages the brightness of the associated display when no other strategy qualifies for + * setting up the brightness state. This strategy is also being used for evaluating the + * display brightness state when we have a manually set brightness. This is a temporary state, and + * the logic for evaluating the manual brightness will be moved to a separate strategy + */ +public class FallbackBrightnessStrategy implements DisplayBrightnessStrategy{ + @Override + public DisplayBrightnessState updateBrightness( + StrategyExecutionRequest strategyExecutionRequest) { + BrightnessReason brightnessReason = new BrightnessReason(); + brightnessReason.setReason(BrightnessReason.REASON_MANUAL); + return new DisplayBrightnessState.Builder() + .setBrightness(strategyExecutionRequest.getCurrentScreenBrightness()) + .setSdrBrightness(strategyExecutionRequest.getCurrentScreenBrightness()) + .setBrightnessReason(brightnessReason) + .setDisplayBrightnessStrategyName(getName()) + // The fallback brightness might change due to clamping. Make sure we tell the rest + // of the system by updating the setting + .setShouldUpdateScreenBrightnessSetting(true) + .build(); + } + + @NonNull + @Override + public String getName() { + return DisplayBrightnessStrategyConstants.FALLBACK_BRIGHTNESS_STRATEGY_NAME; + } + + @Override + public int getReason() { + return BrightnessReason.REASON_MANUAL; + } + + @Override + public void dump(PrintWriter writer) { + + } + + @Override + public void strategySelectionPostProcessor( + StrategySelectionNotifyRequest strategySelectionNotifyRequest) { + + } +} diff --git a/services/tests/displayservicetests/src/com/android/server/display/brightness/DisplayBrightnessStrategySelectorTest.java b/services/tests/displayservicetests/src/com/android/server/display/brightness/DisplayBrightnessStrategySelectorTest.java index ae6361bdd556..eada075eacea 100644 --- a/services/tests/displayservicetests/src/com/android/server/display/brightness/DisplayBrightnessStrategySelectorTest.java +++ b/services/tests/displayservicetests/src/com/android/server/display/brightness/DisplayBrightnessStrategySelectorTest.java @@ -46,6 +46,7 @@ import com.android.server.display.brightness.strategy.AutomaticBrightnessStrateg import com.android.server.display.brightness.strategy.BoostBrightnessStrategy; import com.android.server.display.brightness.strategy.DisplayBrightnessStrategy; import com.android.server.display.brightness.strategy.DozeBrightnessStrategy; +import com.android.server.display.brightness.strategy.FallbackBrightnessStrategy; import com.android.server.display.brightness.strategy.FollowerBrightnessStrategy; import com.android.server.display.brightness.strategy.InvalidBrightnessStrategy; import com.android.server.display.brightness.strategy.OffloadBrightnessStrategy; @@ -90,6 +91,8 @@ public final class DisplayBrightnessStrategySelectorTest { @Mock private AutoBrightnessFallbackStrategy mAutoBrightnessFallbackStrategy; @Mock + private FallbackBrightnessStrategy mFallbackBrightnessStrategy; + @Mock private Resources mResources; @Mock private DisplayManagerFlags mDisplayManagerFlags; @@ -155,6 +158,11 @@ public final class DisplayBrightnessStrategySelectorTest { AutoBrightnessFallbackStrategy getAutoBrightnessFallbackStrategy() { return mAutoBrightnessFallbackStrategy; } + + @Override + FallbackBrightnessStrategy getFallbackBrightnessStrategy() { + return mFallbackBrightnessStrategy; + } }; @Rule @@ -355,6 +363,25 @@ public final class DisplayBrightnessStrategySelectorTest { } @Test + public void selectStrategy_selectsFallbackStrategyAsAnUltimateFallback() { + when(mDisplayManagerFlags.isRefactorDisplayPowerControllerEnabled()).thenReturn(true); + mDisplayBrightnessStrategySelector = new DisplayBrightnessStrategySelector(mContext, + mInjector, DISPLAY_ID, mDisplayManagerFlags); + DisplayManagerInternal.DisplayPowerRequest displayPowerRequest = mock( + DisplayManagerInternal.DisplayPowerRequest.class); + displayPowerRequest.policy = DisplayManagerInternal.DisplayPowerRequest.POLICY_BRIGHT; + displayPowerRequest.screenBrightnessOverride = Float.NaN; + when(mFollowerBrightnessStrategy.getBrightnessToFollow()).thenReturn(Float.NaN); + when(mTemporaryBrightnessStrategy.getTemporaryScreenBrightness()).thenReturn(Float.NaN); + when(mAutomaticBrightnessStrategy.shouldUseAutoBrightness()).thenReturn(false); + when(mAutomaticBrightnessStrategy.isAutoBrightnessValid()).thenReturn(false); + assertEquals(mDisplayBrightnessStrategySelector.selectStrategy( + new StrategySelectionRequest(displayPowerRequest, Display.STATE_ON, + 0.1f, false)), + mFallbackBrightnessStrategy); + } + + @Test public void selectStrategyCallsPostProcessorForAllStrategies() { when(mDisplayManagerFlags.isRefactorDisplayPowerControllerEnabled()).thenReturn(true); mDisplayBrightnessStrategySelector = new DisplayBrightnessStrategySelector(mContext, diff --git a/services/tests/displayservicetests/src/com/android/server/display/brightness/strategy/FallbackBrightnessStrategyTest.java b/services/tests/displayservicetests/src/com/android/server/display/brightness/strategy/FallbackBrightnessStrategyTest.java new file mode 100644 index 000000000000..c4767ae5172b --- /dev/null +++ b/services/tests/displayservicetests/src/com/android/server/display/brightness/strategy/FallbackBrightnessStrategyTest.java @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2024 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.brightness.strategy; + + +import static org.junit.Assert.assertEquals; + +import android.hardware.display.DisplayManagerInternal; + +import androidx.test.filters.SmallTest; +import androidx.test.runner.AndroidJUnit4; + +import com.android.server.display.DisplayBrightnessState; +import com.android.server.display.brightness.BrightnessReason; +import com.android.server.display.brightness.StrategyExecutionRequest; + +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; + +@SmallTest +@RunWith(AndroidJUnit4.class) + +public class FallbackBrightnessStrategyTest { + private FallbackBrightnessStrategy mFallbackBrightnessStrategy; + + @Before + public void before() { + mFallbackBrightnessStrategy = new FallbackBrightnessStrategy(); + } + + @Test + public void updateBrightness_currentBrightnessIsSet() { + DisplayManagerInternal.DisplayPowerRequest + displayPowerRequest = new DisplayManagerInternal.DisplayPowerRequest(); + float currentBrightness = 0.2f; + BrightnessReason brightnessReason = new BrightnessReason(); + brightnessReason.setReason(BrightnessReason.REASON_MANUAL); + DisplayBrightnessState expectedDisplayBrightnessState = + new DisplayBrightnessState.Builder() + .setBrightness(currentBrightness) + .setBrightnessReason(brightnessReason) + .setSdrBrightness(currentBrightness) + .setDisplayBrightnessStrategyName(mFallbackBrightnessStrategy.getName()) + .setShouldUpdateScreenBrightnessSetting(true) + .build(); + DisplayBrightnessState updatedDisplayBrightnessState = + mFallbackBrightnessStrategy.updateBrightness( + new StrategyExecutionRequest(displayPowerRequest, currentBrightness)); + assertEquals(updatedDisplayBrightnessState, expectedDisplayBrightnessState); + } +} |