Support native and srgb for night display (8ad7149d) · Commits · e / os / android_frameworks_base

core/java/android/provider/Settings.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -3095,6 +3095,12 @@ public final class Settings {

		private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;

		/**
		* The display color mode.
		* @hide
		*/
		public static final String DISPLAY_COLOR_MODE = "display_color_mode";

		/**
		* The amount of time in milliseconds before the device goes to sleep or begins
		* to dream after a period of inactivity. This value is also known as the

core/java/com/android/internal/app/NightDisplayController.java

+61 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.net.Uri;
		import android.os.Handler;
		import android.os.Looper;
		import android.provider.Settings.Secure;
		import android.provider.Settings.System;
		import android.util.Slog;

		import com.android.internal.R;
		@@ -76,6 +77,29 @@ public final class NightDisplayController {
		*/
		public static final int AUTO_MODE_TWILIGHT = 2;

		@Retention(RetentionPolicy.SOURCE)
		@IntDef({ COLOR_MODE_NATURAL, COLOR_MODE_BOOSTED, COLOR_MODE_SATURATED })
		public @interface ColorMode {}

		/**
		* Color mode with natural colors.
		*
		* @see #setColorMode(int)
		*/
		public static final int COLOR_MODE_NATURAL = 0;
		/**
		* Color mode with boosted colors.
		*
		* @see #setColorMode(int)
		*/
		public static final int COLOR_MODE_BOOSTED = 1;
		/**
		* Color mode with saturated colors.
		*
		* @see #setColorMode(int)
		*/
		public static final int COLOR_MODE_SATURATED = 2;

		private final Context mContext;
		private final int mUserId;

		@@ -305,6 +329,31 @@ public final class NightDisplayController {
		Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE, colorTemperature, mUserId);
		}

		/**
		* Get the current color mode.
		*/
		public int getColorMode() {
		final int colorMode = System.getIntForUser(mContext.getContentResolver(),
		System.DISPLAY_COLOR_MODE, COLOR_MODE_BOOSTED, mUserId);
		if (colorMode < COLOR_MODE_NATURAL \|\| colorMode > COLOR_MODE_SATURATED) {
		return COLOR_MODE_BOOSTED;
		}
		return colorMode;
		}

		/**
		* Set the current color mode.
		*
		* @param colorMode the color mode
		*/
		public void setColorMode(@ColorMode int colorMode) {
		if (colorMode < COLOR_MODE_NATURAL \|\| colorMode > COLOR_MODE_SATURATED) {
		throw new IllegalArgumentException("Invalid colorMode: " + colorMode);
		}
		System.putIntForUser(mContext.getContentResolver(), System.DISPLAY_COLOR_MODE, colorMode,
		mUserId);
		}

		/**
		* Returns the minimum allowed color temperature (in Kelvin) to tint the display when activated.
		*/
		@@ -351,6 +400,9 @@ public final class NightDisplayController {
		case Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE:
		mCallback.onColorTemperatureChanged(getColorTemperature());
		break;
		case System.DISPLAY_COLOR_MODE:
		mCallback.onDisplayColorModeChanged(getColorMode());
		break;
		}
		}
		}
		@@ -379,6 +431,8 @@ public final class NightDisplayController {
		false /* notifyForDescendants */, mContentObserver, mUserId);
		cr.registerContentObserver(Secure.getUriFor(Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE),
		false /* notifyForDescendants */, mContentObserver, mUserId);
		cr.registerContentObserver(System.getUriFor(System.DISPLAY_COLOR_MODE),
		false /* notifyForDecendants */, mContentObserver, mUserId);
		}
		}
		}
		@@ -425,5 +479,12 @@ public final class NightDisplayController {
		* @param colorTemperature the color temperature to tint the screen
		*/
		default void onColorTemperatureChanged(int colorTemperature) {}

		/**
		* Callback invoked when the color mode changes.
		*
		* @param displayColorMode the color mode
		*/
		default void onDisplayColorModeChanged(int displayColorMode) {}
		}
		}

core/res/res/values/config.xml

+12 −0

Original line number	Diff line number	Diff line
		@@ -901,6 +901,18 @@
		<!-- Maximum color temperature, in Kelvin, supported by Night display. -->
		<integer name="config_nightDisplayColorTemperatureMax">4082</integer>

		<string-array name="config_nightDisplayColorTemperatureCoefficientsNative">
		<!-- R a-coefficient --> <item>0.0</item>
		<!-- R b-coefficient --> <item>0.0</item>
		<!-- R y-intercept --> <item>1.0</item>
		<!-- G a-coefficient --> <item>-0.00000000962353339</item>
		<!-- G b-coefficient --> <item>0.000153045476</item>
		<!-- G y-intercept --> <item>0.390782778</item>
		<!-- B a-coefficient --> <item>-0.0000000189359041</item>
		<!-- B b-coefficient --> <item>0.000302412211</item>
		<!-- B y-intercept --> <item>-0.198650895</item>
		</string-array>

		<string-array name="config_nightDisplayColorTemperatureCoefficients">
		<!-- R a-coefficient --> <item>0.0</item>
		<!-- R b-coefficient --> <item>0.0</item>

core/res/res/values/symbols.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -2840,6 +2840,7 @@
		<java-symbol type="integer" name="config_nightDisplayColorTemperatureMin" />
		<java-symbol type="integer" name="config_nightDisplayColorTemperatureMax" />
		<java-symbol type="array" name="config_nightDisplayColorTemperatureCoefficients" />
		<java-symbol type="array" name="config_nightDisplayColorTemperatureCoefficientsNative" />

		<!-- Default first user restrictions -->
		<java-symbol type="array" name="config_defaultFirstUserRestrictions" />

services/core/java/com/android/server/display/DisplayTransformManager.java

+87 −2

Original line number	Diff line number	Diff line
		@@ -16,15 +16,20 @@

		package com.android.server.display;

		import android.app.ActivityManager;
		import android.app.IActivityManager;
		import android.opengl.Matrix;
		import android.os.IBinder;
		import android.os.Parcel;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.os.SystemProperties;
		import android.util.Log;
		import android.util.Slog;
		import android.util.SparseArray;
		import com.android.internal.annotations.GuardedBy;

		import com.android.internal.app.NightDisplayController;
		import java.util.Arrays;

		/**
		@@ -34,6 +39,8 @@ public class DisplayTransformManager {

		private static final String TAG = "DisplayTransformManager";

		private static final String SURFACE_FLINGER = "SurfaceFlinger";

		/**
		* Color transform level used by Night display to tint the display red.
		*/
		@@ -50,6 +57,15 @@ public class DisplayTransformManager {
		private static final int SURFACE_FLINGER_TRANSACTION_COLOR_MATRIX = 1015;
		private static final int SURFACE_FLINGER_TRANSACTION_DALTONIZER = 1014;

		private static final String PERSISTENT_PROPERTY_SATURATION = "persist.sys.sf.color_saturation";
		private static final String PERSISTENT_PROPERTY_NATIVE_MODE = "persist.sys.sf.native_mode";

		private static final int SURFACE_FLINGER_TRANSACTION_SATURATION = 1022;
		private static final int SURFACE_FLINGER_TRANSACTION_NATIVE_MODE = 1023;

		private static final float COLOR_SATURATION_NATURAL = 1.0f;
		private static final float COLOR_SATURATION_BOOSTED = 1.1f;

		/**
		* Map of level -> color transformation matrix.
		*/
		@@ -161,7 +177,7 @@ public class DisplayTransformManager {
		* Propagates the provided color transformation matrix to the SurfaceFlinger.
		*/
		private static void applyColorMatrix(float[] m) {
		final IBinder flinger = ServiceManager.getService("SurfaceFlinger");
		final IBinder flinger = ServiceManager.getService(SURFACE_FLINGER);
		if (flinger != null) {
		final Parcel data = Parcel.obtain();
		data.writeInterfaceToken("android.ui.ISurfaceComposer");
		@@ -187,7 +203,7 @@ public class DisplayTransformManager {
		* Propagates the provided Daltonization mode to the SurfaceFlinger.
		*/
		private static void applyDaltonizerMode(int mode) {
		final IBinder flinger = ServiceManager.getService("SurfaceFlinger");
		final IBinder flinger = ServiceManager.getService(SURFACE_FLINGER);
		if (flinger != null) {
		final Parcel data = Parcel.obtain();
		data.writeInterfaceToken("android.ui.ISurfaceComposer");
		@@ -201,4 +217,73 @@ public class DisplayTransformManager {
		}
		}
		}

		public static boolean isNativeModeEnabled() {
		return SystemProperties.getBoolean(PERSISTENT_PROPERTY_NATIVE_MODE, false);
		}

		public boolean setColorMode(int colorMode) {
		if (colorMode == NightDisplayController.COLOR_MODE_NATURAL) {
		applySaturation(COLOR_SATURATION_NATURAL);
		setNativeMode(false);
		} else if (colorMode == NightDisplayController.COLOR_MODE_BOOSTED) {
		applySaturation(COLOR_SATURATION_BOOSTED);
		setNativeMode(false);
		} else if (colorMode == NightDisplayController.COLOR_MODE_SATURATED) {
		applySaturation(COLOR_SATURATION_NATURAL);
		setNativeMode(true);
		}

		updateConfiguration();

		return true;
		}

		/**
		* Propagates the provided saturation to the SurfaceFlinger.
		*/
		private void applySaturation(float saturation) {
		SystemProperties.set(PERSISTENT_PROPERTY_SATURATION, Float.toString(saturation));
		final IBinder flinger = ServiceManager.getService(SURFACE_FLINGER);
		if (flinger != null) {
		final Parcel data = Parcel.obtain();
		data.writeInterfaceToken("android.ui.ISurfaceComposer");
		data.writeFloat(saturation);
		try {
		flinger.transact(SURFACE_FLINGER_TRANSACTION_SATURATION, data, null, 0);
		} catch (RemoteException ex) {
		Log.e(TAG, "Failed to set saturation", ex);
		} finally {
		data.recycle();
		}
		}
		}

		/**
		* Toggles native mode on/off in SurfaceFlinger.
		*/
		private void setNativeMode(boolean enabled) {
		SystemProperties.set(PERSISTENT_PROPERTY_NATIVE_MODE, enabled ? "1" : "0");
		final IBinder flinger = ServiceManager.getService(SURFACE_FLINGER);
		if (flinger != null) {
		final Parcel data = Parcel.obtain();
		data.writeInterfaceToken("android.ui.ISurfaceComposer");
		data.writeInt(enabled ? 1 : 0);
		try {
		flinger.transact(SURFACE_FLINGER_TRANSACTION_NATIVE_MODE, data, null, 0);
		} catch (RemoteException ex) {
		Log.e(TAG, "Failed to set native mode", ex);
		} finally {
		data.recycle();
		}
		}
		}

		private void updateConfiguration() {
		try {
		ActivityManager.getService().updateConfiguration(null);
		} catch (RemoteException e) {
		Log.e(TAG, "Could not update configuration", e);
		}
		}
		}