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Commit baa26f01 authored by Austin Borger's avatar Austin Borger Committed by Automerger Merge Worker
Browse files

Merge "Allow camera to specify a refresh rate range" into tm-dev am: baec980e 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17008563

Change-Id: I6ed53a1208c336c1f29a82796fc0908a61accec8
parents 1e40a6fd baec980e

services/core/java/com/android/server/camera/CameraServiceProxy.java

+4 −2
Original line number Diff line number Diff line
@@ -1068,7 +1068,9 @@ public class CameraServiceProxy extends SystemService 
                    if (!alreadyActivePackage) {

                        WindowManagerInternal wmi =

                                LocalServices.getService(WindowManagerInternal.class);

                        wmi.addNonHighRefreshRatePackage(clientName);

                        // TODO(b/209669709): populate min.max refreshRate based on

                        //  the camera capture speed

                        wmi.addRefreshRateRangeForPackage(clientName, 60.0f, 60.0f);

                    }



                    // Update activity events
@@ -1107,7 +1109,7 @@ public class CameraServiceProxy extends SystemService 
                        if (!stillActivePackage) {

                            WindowManagerInternal wmi =

                                    LocalServices.getService(WindowManagerInternal.class);

                            wmi.removeNonHighRefreshRatePackage(clientName);

                            wmi.removeRefreshRateRangeForPackage(clientName);

                        }

                    }

services/core/java/com/android/server/wm/RefreshRatePolicy.java

+43 −9
Original line number Diff line number Diff line
@@ -19,20 +19,46 @@ package com.android.server.wm; 
import static com.android.server.wm.WindowContainer.AnimationFlags.PARENTS;

import static com.android.server.wm.WindowContainer.AnimationFlags.TRANSITION;



import android.util.ArraySet;

import android.hardware.display.DisplayManagerInternal.RefreshRateRange;

import android.view.Display;

import android.view.Display.Mode;

import android.view.DisplayInfo;



import java.util.HashMap;



/**

 * Policy to select a lower refresh rate for the display if applicable.

 */

class RefreshRatePolicy {



    class PackageRefreshRate {

        private final HashMap<String, RefreshRateRange> mPackages = new HashMap<>();



        public void add(String s, float minRefreshRate, float maxRefreshRate) {

            float minSupportedRefreshRate =

                    Math.max(RefreshRatePolicy.this.mMinSupportedRefreshRate, minRefreshRate);

            float maxSupportedRefreshRate =

                    Math.min(RefreshRatePolicy.this.mMaxSupportedRefreshRate, maxRefreshRate);



            mPackages.put(s,

                    new RefreshRateRange(minSupportedRefreshRate, maxSupportedRefreshRate));

        }



        public RefreshRateRange get(String s) {

            return mPackages.get(s);

        }



        public void remove(String s) {

            mPackages.remove(s);

        }

    }



    private final Mode mLowRefreshRateMode;

    private final ArraySet<String> mNonHighRefreshRatePackages = new ArraySet<>();

    private final PackageRefreshRate mNonHighRefreshRatePackages = new PackageRefreshRate();

    private final HighRefreshRateDenylist mHighRefreshRateDenylist;

    private final WindowManagerService mWmService;

    private float mMinSupportedRefreshRate;

    private float mMaxSupportedRefreshRate;



    /**

     * The following constants represent priority of the window. SF uses this information when
@@ -70,7 +96,12 @@ class RefreshRatePolicy { 
        Mode mode = displayInfo.getDefaultMode();

        float[] refreshRates = displayInfo.getDefaultRefreshRates();

        float bestRefreshRate = mode.getRefreshRate();

        mMinSupportedRefreshRate = bestRefreshRate;

        mMaxSupportedRefreshRate = bestRefreshRate;

        for (int i = refreshRates.length - 1; i >= 0; i--) {

            mMinSupportedRefreshRate = Math.min(mMinSupportedRefreshRate, refreshRates[i]);

            mMaxSupportedRefreshRate = Math.max(mMaxSupportedRefreshRate, refreshRates[i]);



            if (refreshRates[i] >= 60f && refreshRates[i] < bestRefreshRate) {

                bestRefreshRate = refreshRates[i];

            }
@@ -78,12 +109,13 @@ class RefreshRatePolicy { 
        return displayInfo.findDefaultModeByRefreshRate(bestRefreshRate);

    }



    void addNonHighRefreshRatePackage(String packageName) {

        mNonHighRefreshRatePackages.add(packageName);

    void addRefreshRateRangeForPackage(String packageName,

            float minRefreshRate, float maxRefreshRate) {

        mNonHighRefreshRatePackages.add(packageName, minRefreshRate, maxRefreshRate);

        mWmService.requestTraversal();

    }



    void removeNonHighRefreshRatePackage(String packageName) {

    void removeRefreshRateRangeForPackage(String packageName) {

        mNonHighRefreshRatePackages.remove(packageName);

        mWmService.requestTraversal();

    }
@@ -172,8 +204,9 @@ class RefreshRatePolicy { 
        // If app is using Camera, we set both the min and max refresh rate to the camera's

        // preferred refresh rate to make sure we don't end up with a refresh rate lower

        // than the camera capture rate, which will lead to dropping camera frames.

        if (mNonHighRefreshRatePackages.contains(packageName)) {

            return mLowRefreshRateMode.getRefreshRate();

        RefreshRateRange range = mNonHighRefreshRatePackages.get(packageName);

        if (range != null) {

            return range.min;

        }



        return 0;
@@ -192,8 +225,9 @@ class RefreshRatePolicy { 


        final String packageName = w.getOwningPackage();

        // If app is using Camera, force it to default (lower) refresh rate.

        if (mNonHighRefreshRatePackages.contains(packageName)) {

            return mLowRefreshRateMode.getRefreshRate();

        RefreshRateRange range = mNonHighRefreshRatePackages.get(packageName);

        if (range != null) {

            return range.max;

        }



        return 0;

services/core/java/com/android/server/wm/WindowManagerInternal.java

+5 −4
Original line number Diff line number Diff line
@@ -725,17 +725,18 @@ public abstract class WindowManagerInternal { 
    public abstract void hideIme(IBinder imeTargetWindowToken, int displayId);



    /**

     * Tell window manager about a package that should not be running with high refresh rate

     * setting until removeNonHighRefreshRatePackage is called for the same package.

     * Tell window manager about a package that should be running with a restricted range of

     * refresh rate setting until removeRefreshRateRangeForPackage is called for the same package.

     *

     * This must not be called again for the same package.

     */

    public abstract void addNonHighRefreshRatePackage(@NonNull String packageName);

    public abstract void addRefreshRateRangeForPackage(@NonNull String packageName,

            float minRefreshRate, float maxRefreshRate);



    /**

     * Tell window manager to stop constraining refresh rate for the given package.

     */

    public abstract void removeNonHighRefreshRatePackage(@NonNull String packageName);

    public abstract void removeRefreshRateRangeForPackage(@NonNull String packageName);



    /**

     * Checks if the device supports touch or faketouch.

services/core/java/com/android/server/wm/WindowManagerService.java

+6 −4
Original line number Diff line number Diff line
@@ -7969,18 +7969,20 @@ public class WindowManagerService extends IWindowManager.Stub 
        }



        @Override

        public void addNonHighRefreshRatePackage(@NonNull String packageName) {

        public void addRefreshRateRangeForPackage(@NonNull String packageName,

                float minRefreshRate, float maxRefreshRate) {

            synchronized (mGlobalLock) {

                mRoot.forAllDisplays(dc -> dc.getDisplayPolicy().getRefreshRatePolicy()

                        .addNonHighRefreshRatePackage(packageName));

                        .addRefreshRateRangeForPackage(

                                packageName, minRefreshRate, maxRefreshRate));

            }

        }



        @Override

        public void removeNonHighRefreshRatePackage(@NonNull String packageName) {

        public void removeRefreshRateRangeForPackage(@NonNull String packageName) {

            synchronized (mGlobalLock) {

                mRoot.forAllDisplays(dc -> dc.getDisplayPolicy().getRefreshRatePolicy()

                        .removeNonHighRefreshRatePackage(packageName));

                        .removeRefreshRateRangeForPackage(packageName));

            }

        }

services/tests/wmtests/src/com/android/server/wm/RefreshRatePolicyTest.java

+57 −5
Original line number Diff line number Diff line
@@ -101,14 +101,63 @@ public class RefreshRatePolicyTest extends WindowTestsBase { 
        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMaxRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        mPolicy.addNonHighRefreshRatePackage("com.android.test");

        mPolicy.addRefreshRateRangeForPackage("com.android.test",

                LOW_REFRESH_RATE, LOW_REFRESH_RATE);

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(LOW_REFRESH_RATE,

                mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(LOW_REFRESH_RATE,

                mPolicy.getPreferredMaxRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        mPolicy.removeNonHighRefreshRatePackage("com.android.test");

        mPolicy.removeRefreshRateRangeForPackage("com.android.test");

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMaxRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

    }



    @Test

    public void testCameraRange() {

        final WindowState cameraUsingWindow = createWindow("cameraUsingWindow");

        cameraUsingWindow.mAttrs.packageName = "com.android.test";

        parcelLayoutParams(cameraUsingWindow);

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMaxRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        mPolicy.addRefreshRateRangeForPackage("com.android.test",

                LOW_REFRESH_RATE, MID_REFRESH_RATE);

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(LOW_REFRESH_RATE,

                mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(MID_REFRESH_RATE,

                mPolicy.getPreferredMaxRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        mPolicy.removeRefreshRateRangeForPackage("com.android.test");

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMaxRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

    }



    @Test

    public void testCameraRange_OutOfRange() {

        final WindowState cameraUsingWindow = createWindow("cameraUsingWindow");

        cameraUsingWindow.mAttrs.packageName = "com.android.test";

        parcelLayoutParams(cameraUsingWindow);

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMaxRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        mPolicy.addRefreshRateRangeForPackage("com.android.test",

                LOW_REFRESH_RATE - 10, HI_REFRESH_RATE + 10);

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(LOW_REFRESH_RATE,

                mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(HI_REFRESH_RATE,

                mPolicy.getPreferredMaxRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        mPolicy.removeRefreshRateRangeForPackage("com.android.test");

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(0, mPolicy.getPreferredMinRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);
@@ -162,7 +211,8 @@ public class RefreshRatePolicyTest extends WindowTestsBase { 
        overrideWindow.mAttrs.packageName = "com.android.test";

        overrideWindow.mAttrs.preferredDisplayModeId = HI_MODE_ID;

        parcelLayoutParams(overrideWindow);

        mPolicy.addNonHighRefreshRatePackage("com.android.test");

        mPolicy.addRefreshRateRangeForPackage("com.android.test",

                LOW_REFRESH_RATE, LOW_REFRESH_RATE);

        assertEquals(HI_MODE_ID, mPolicy.getPreferredModeId(overrideWindow));

        assertEquals(HI_REFRESH_RATE,

                mPolicy.getPreferredRefreshRate(overrideWindow), FLOAT_TOLERANCE);
@@ -178,7 +228,8 @@ public class RefreshRatePolicyTest extends WindowTestsBase { 
        overrideWindow.mAttrs.packageName = "com.android.test";

        overrideWindow.mAttrs.preferredRefreshRate = HI_REFRESH_RATE;

        parcelLayoutParams(overrideWindow);

        mPolicy.addNonHighRefreshRatePackage("com.android.test");

        mPolicy.addRefreshRateRangeForPackage("com.android.test",

                LOW_REFRESH_RATE, LOW_REFRESH_RATE);

        assertEquals(0, mPolicy.getPreferredModeId(overrideWindow));

        assertEquals(HI_REFRESH_RATE,

                mPolicy.getPreferredRefreshRate(overrideWindow), FLOAT_TOLERANCE);
@@ -257,7 +308,8 @@ public class RefreshRatePolicyTest extends WindowTestsBase { 
        cameraUsingWindow.mAttrs.packageName = "com.android.test";

        parcelLayoutParams(cameraUsingWindow);



        mPolicy.addNonHighRefreshRatePackage("com.android.test");

        mPolicy.addRefreshRateRangeForPackage("com.android.test",

                LOW_REFRESH_RATE, LOW_REFRESH_RATE);

        assertEquals(0, mPolicy.getPreferredModeId(cameraUsingWindow));

        assertEquals(0, mPolicy.getPreferredRefreshRate(cameraUsingWindow), FLOAT_TOLERANCE);

        assertEquals(LOW_REFRESH_RATE,