Notify VM of native pixelref allocations (4cd7dbc9) · Commits · e / os / android_frameworks_base

graphics/java/android/graphics/Bitmap.java

+18 −2

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import android.os.Parcel;
		import android.os.Parcelable;
		import android.os.Trace;
		import android.util.DisplayMetrics;
		import dalvik.system.VMRuntime;

		import java.io.OutputStream;
		import java.nio.Buffer;
		@@ -122,15 +123,18 @@ public final class Bitmap implements Parcelable {
		mIsMutable = isMutable;
		mRequestPremultiplied = requestPremultiplied;
		mBuffer = buffer;

		// we delete this in our finalizer
		mNativeBitmap = nativeBitmap;
		mFinalizer = new BitmapFinalizer(nativeBitmap);

		mNinePatchChunk = ninePatchChunk;
		mNinePatchInsets = ninePatchInsets;
		if (density >= 0) {
		mDensity = density;
		}

		int nativeAllocationByteCount = buffer == null ? getByteCount() : 0;
		mFinalizer = new BitmapFinalizer(nativeBitmap, nativeAllocationByteCount);
		}

		/**
		@@ -1574,8 +1578,17 @@ public final class Bitmap implements Parcelable {
		private static class BitmapFinalizer {
		private final long mNativeBitmap;

		BitmapFinalizer(long nativeBitmap) {
		// Native memory allocated for the duration of the Bitmap,
		// if pixel data allocated into native memory, instead of java byte[]
		private final int mNativeAllocationByteCount;

		BitmapFinalizer(long nativeBitmap, int nativeAllocationByteCount) {
		mNativeBitmap = nativeBitmap;
		mNativeAllocationByteCount = nativeAllocationByteCount;

		if (mNativeAllocationByteCount != 0) {
		VMRuntime.getRuntime().registerNativeAllocation(mNativeAllocationByteCount);
		}
		}

		@Override
		@@ -1585,6 +1598,9 @@ public final class Bitmap implements Parcelable {
		} catch (Throwable t) {
		// Ignore
		} finally {
		if (mNativeAllocationByteCount != 0) {
		VMRuntime.getRuntime().registerNativeFree(mNativeAllocationByteCount);
		}
		nativeDestructor(mNativeBitmap);
		}
		}