Add supported refresh rate to displays (3f145a2f) · Commits · e / os / android_frameworks_base

api/current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -33013,6 +33013,7 @@ package android.view {
		method public int getRotation();
		method public void getSize(android.graphics.Point);
		method public int getState();
		method public float[] getSupportedRefreshRates();
		method public deprecated int getWidth();
		method public boolean isValid();
		field public static final int DEFAULT_DISPLAY = 0; // 0x0
		@@ -35656,6 +35657,7 @@ package android.view {
		field public float horizontalWeight;
		field public deprecated int memoryType;
		field public java.lang.String packageName;
		field public float preferredRefreshRate;
		field public int rotationAnimation;
		field public float screenBrightness;
		field public int screenOrientation;

core/java/android/hardware/display/DisplayManagerInternal.java

+14 −5

Original line number	Diff line number	Diff line
		@@ -106,21 +106,30 @@ public abstract class DisplayManagerInternal {
		public abstract void performTraversalInTransactionFromWindowManager();

		/**
		* Tells the display manager whether there is interesting unique content on the
		* specified logical display. This is used to control automatic mirroring.
		* Tells the display manager about properties of the display that depend on the windows on it.
		* This includes whether there is interesting unique content on the specified logical display,
		* and whether the one of the windows has a preferred refresh rate.
		* <p>
		* If the display has unique content, then the display manager arranges for it
		* to be presented on a physical display if appropriate. Otherwise, the display manager
		* may choose to make the physical display mirror some other logical display.
		* </p>
		*
		* <p>
		* If one of the windows on the display has a preferred refresh rate that's supported by the
		* display, then the display manager will request its use.
		* </p>
		*
		* @param displayId The logical display id to update.
		* @param hasContent True if the logical display has content.
		* @param hasContent True if the logical display has content. This is used to control automatic
		* mirroring.
		* @param requestedRefreshRate The preferred refresh rate for the top-most visible window that
		* has a preference.
		* @param inTraversal True if called from WindowManagerService during a window traversal
		* prior to call to performTraversalInTransactionFromWindowManager.
		*/
		public abstract void setDisplayHasContent(int displayId, boolean hasContent,
		boolean inTraversal);
		public abstract void setDisplayProperties(int displayId, boolean hasContent,
		float requestedRefreshRate, boolean inTraversal);

		/**
		* Describes the requested power state of the display.

core/java/android/view/Display.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,8 @@ import android.os.SystemClock;
		import android.util.DisplayMetrics;
		import android.util.Log;

		import java.util.Arrays;

		/**
		* Provides information about the size and density of a logical display.
		* <p>
		@@ -612,6 +614,17 @@ public final class Display {
		}
		}

		/**
		* Get the supported refresh rates of this display in frames per second.
		*/
		public float[] getSupportedRefreshRates() {
		synchronized (this) {
		updateDisplayInfoLocked();
		final float[] refreshRates = mDisplayInfo.supportedRefreshRates;
		return Arrays.copyOf(refreshRates, refreshRates.length);
		}
		}

		/**
		* Gets the app VSYNC offset, in nanoseconds. This is a positive value indicating
		* the phase offset of the VSYNC events provided by Choreographer relative to the

core/java/android/view/DisplayInfo.java

+15 −1

Original line number	Diff line number	Diff line
		@@ -22,6 +22,9 @@ import android.os.Parcel;
		import android.os.Parcelable;
		import android.util.DisplayMetrics;

		import java.util.Arrays;

		import libcore.util.EmptyArray;
		import libcore.util.Objects;

		/**
		@@ -155,6 +158,11 @@ public final class DisplayInfo implements Parcelable {
		*/
		public float refreshRate;

		/**
		* The supported refresh rates of this display at the current resolution in frames per second.
		*/
		public float[] supportedRefreshRates = EmptyArray.FLOAT;

		/**
		* The logical display density which is the basis for density-independent
		* pixels.
		@@ -299,6 +307,8 @@ public final class DisplayInfo implements Parcelable {
		overscanBottom = other.overscanBottom;
		rotation = other.rotation;
		refreshRate = other.refreshRate;
		supportedRefreshRates = Arrays.copyOf(
		other.supportedRefreshRates, other.supportedRefreshRates.length);
		logicalDensityDpi = other.logicalDensityDpi;
		physicalXDpi = other.physicalXDpi;
		physicalYDpi = other.physicalYDpi;
		@@ -329,6 +339,7 @@ public final class DisplayInfo implements Parcelable {
		overscanBottom = source.readInt();
		rotation = source.readInt();
		refreshRate = source.readFloat();
		supportedRefreshRates = source.createFloatArray();
		logicalDensityDpi = source.readInt();
		physicalXDpi = source.readFloat();
		physicalYDpi = source.readFloat();
		@@ -360,6 +371,7 @@ public final class DisplayInfo implements Parcelable {
		dest.writeInt(overscanBottom);
		dest.writeInt(rotation);
		dest.writeFloat(refreshRate);
		dest.writeFloatArray(supportedRefreshRates);
		dest.writeInt(logicalDensityDpi);
		dest.writeFloat(physicalXDpi);
		dest.writeFloat(physicalYDpi);
		@@ -462,7 +474,9 @@ public final class DisplayInfo implements Parcelable {
		sb.append(smallestNominalAppHeight);
		sb.append(", ");
		sb.append(refreshRate);
		sb.append(" fps, rotation ");
		sb.append(" fps, supportedRefreshRates ");
		sb.append(Arrays.toString(supportedRefreshRates));
		sb.append(", rotation ");
		sb.append(rotation);
		sb.append(", density ");
		sb.append(logicalDensityDpi);

core/java/android/view/WindowManager.java

+23 −0

Original line number	Diff line number	Diff line
		@@ -1417,6 +1417,16 @@ public interface WindowManager extends ViewManager {
		*/
		public int screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;

		/**
		* The preferred refresh rate for the window.
		*
		* This must be one of the supported refresh rates obtained for the display(s) the window
		* is on.
		*
		* @see Display#getSupportedRefreshRates()
		*/
		public float preferredRefreshRate;

		/**
		* Control the visibility of the status bar.
		*
		@@ -1576,6 +1586,7 @@ public interface WindowManager extends ViewManager {
		out.writeString(packageName);
		TextUtils.writeToParcel(mTitle, out, parcelableFlags);
		out.writeInt(screenOrientation);
		out.writeFloat(preferredRefreshRate);
		out.writeInt(systemUiVisibility);
		out.writeInt(subtreeSystemUiVisibility);
		out.writeInt(hasSystemUiListeners ? 1 : 0);
		@@ -1622,6 +1633,7 @@ public interface WindowManager extends ViewManager {
		packageName = in.readString();
		mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
		screenOrientation = in.readInt();
		preferredRefreshRate = in.readFloat();
		systemUiVisibility = in.readInt();
		subtreeSystemUiVisibility = in.readInt();
		hasSystemUiListeners = in.readInt() != 0;
		@@ -1664,6 +1676,8 @@ public interface WindowManager extends ViewManager {
		/** {@hide} */
		public static final int SURFACE_INSETS_CHANGED = 1<<20;
		/** {@hide} */
		public static final int PREFERRED_REFRESH_RATE_CHANGED = 1 << 21;
		/** {@hide} */
		public static final int EVERYTHING_CHANGED = 0xffffffff;

		// internal buffer to backup/restore parameters under compatibility mode.
		@@ -1776,6 +1790,11 @@ public interface WindowManager extends ViewManager {
		changes \|= SCREEN_ORIENTATION_CHANGED;
		}

		if (preferredRefreshRate != o.preferredRefreshRate) {
		preferredRefreshRate = o.preferredRefreshRate;
		changes \|= PREFERRED_REFRESH_RATE_CHANGED;
		}

		if (systemUiVisibility != o.systemUiVisibility
		\|\| subtreeSystemUiVisibility != o.subtreeSystemUiVisibility) {
		systemUiVisibility = o.systemUiVisibility;
		@@ -1884,6 +1903,10 @@ public interface WindowManager extends ViewManager {
		sb.append(" rotAnim=");
		sb.append(rotationAnimation);
		}
		if (preferredRefreshRate != 0) {
		sb.append(" preferredRefreshRate=");
		sb.append(preferredRefreshRate);
		}
		if (systemUiVisibility != 0) {
		sb.append(" sysui=0x");
		sb.append(Integer.toHexString(systemUiVisibility));