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Commit ef3d80a8 authored by Treehugger Robot's avatar Treehugger Robot Committed by Android (Google) Code Review
Browse files

Merge changes from topic "trim_fonts_on_unlock" into udc-dev 

* changes:
  Trim font caches when keyguard goes away
  Allow triming of font caches through WindowManager
parents 94a4ffa3 f1a8c8d4

core/java/android/view/WindowManagerGlobal.java

+6 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ import android.compat.annotation.UnsupportedAppUsage; 
import android.content.Context;

import android.content.pm.ApplicationInfo;

import android.content.res.Configuration;

import android.graphics.HardwareRenderer;

import android.os.Build;

import android.os.IBinder;

import android.os.RemoteException;
@@ -550,6 +551,11 @@ public final class WindowManagerGlobal { 
        ThreadedRenderer.trimMemory(level);

    }



    /** @hide */

    public void trimCaches(@HardwareRenderer.CacheTrimLevel int level) {

        ThreadedRenderer.trimCaches(level);

    }



    public void dumpGfxInfo(FileDescriptor fd, String[] args) {

        FileOutputStream fout = new FileOutputStream(fd);

        PrintWriter pw = new FastPrintWriter(fout);

graphics/java/android/graphics/HardwareRenderer.java

+42 −0
Original line number Diff line number Diff line
@@ -144,6 +144,32 @@ public class HardwareRenderer { 
    public @interface DumpFlags {

    }





    /**

     * Trims all Skia caches.

     * @hide

     */

    public static final int CACHE_TRIM_ALL = 0;

    /**

     * Trims Skia font caches.

     * @hide

     */

    public static final int CACHE_TRIM_FONT = 1;

    /**

     * Trims Skia resource caches.

     * @hide

     */

    public static final int CACHE_TRIM_RESOURCES = 2;



    /** @hide */

    @IntDef(prefix = {"CACHE_TRIM_"}, value = {

            CACHE_TRIM_ALL,

            CACHE_TRIM_FONT,

            CACHE_TRIM_RESOURCES

    })

    @Retention(RetentionPolicy.SOURCE)

    public @interface CacheTrimLevel {}



    /**

     * Name of the file that holds the shaders cache.

     */
@@ -1131,6 +1157,20 @@ public class HardwareRenderer { 
        nTrimMemory(level);

    }



    /**

     * Invoke this when all font caches should be flushed. This can cause jank on next render

     * commands so use it only after expensive font allocation operations which would

     * allocate large amount of temporary memory.

     *

     * @param level Hint about which caches to trim. See {@link #CACHE_TRIM_ALL},

     *              {@link #CACHE_TRIM_FONT}, {@link #CACHE_TRIM_RESOURCES}

     *

     * @hide

     */

    public static void trimCaches(@CacheTrimLevel int level) {

        nTrimCaches(level);

    }



    /** @hide */

    public static void overrideProperty(@NonNull String name, @NonNull String value) {

        if (name == null || value == null) {
@@ -1497,6 +1537,8 @@ public class HardwareRenderer { 


    private static native void nTrimMemory(int level);



    private static native void nTrimCaches(int level);



    private static native void nOverrideProperty(String name, String value);



    private static native void nFence(long nativeProxy);

libs/hwui/MemoryPolicy.h

+6 −0
Original line number Diff line number Diff line
@@ -31,6 +31,12 @@ enum class TrimLevel { 
    RUNNING_MODERATE = 5,

};



enum class CacheTrimLevel {

    ALL_CACHES = 0,

    FONT_CACHE = 1,

    RESOURCE_CACHE = 2,

};



struct MemoryPolicy {

    // The initial scale factor applied to the display resolution. The default is 1, but

    // lower values may be used to start with a smaller initial cache size. The cache will

libs/hwui/jni/android_graphics_HardwareRenderer.cpp

+5 −0
Original line number Diff line number Diff line
@@ -362,6 +362,10 @@ static void android_view_ThreadedRenderer_trimMemory(JNIEnv* env, jobject clazz, 
    RenderProxy::trimMemory(level);

}



static void android_view_ThreadedRenderer_trimCaches(JNIEnv* env, jobject clazz, jint level) {

    RenderProxy::trimCaches(level);

}



static void android_view_ThreadedRenderer_overrideProperty(JNIEnv* env, jobject clazz,

        jstring name, jstring value) {

    const char* nameCharArray = env->GetStringUTFChars(name, NULL);
@@ -1018,6 +1022,7 @@ static const JNINativeMethod gMethods[] = { 
         (void*)android_view_ThreadedRenderer_notifyCallbackPending},

        {"nNotifyExpensiveFrame", "(J)V",

         (void*)android_view_ThreadedRenderer_notifyExpensiveFrame},

        {"nTrimCaches", "(I)V", (void*)android_view_ThreadedRenderer_trimCaches},

};



static JavaVM* mJvm = nullptr;

libs/hwui/renderthread/CacheManager.cpp

+19 −0
Original line number Diff line number Diff line
@@ -139,6 +139,25 @@ void CacheManager::trimMemory(TrimLevel mode) { 
    }

}



void CacheManager::trimCaches(CacheTrimLevel mode) {

    switch (mode) {

        case CacheTrimLevel::FONT_CACHE:

            SkGraphics::PurgeFontCache();

            break;

        case CacheTrimLevel::RESOURCE_CACHE:

            SkGraphics::PurgeResourceCache();

            break;

        case CacheTrimLevel::ALL_CACHES:

            SkGraphics::PurgeAllCaches();

            if (mGrContext) {

                mGrContext->purgeUnlockedResources(false);

            }

            break;

        default:

            break;

    }

}



void CacheManager::trimStaleResources() {

    if (!mGrContext) {

        return;