Wire up surface width/height to lockHardwareCanvas (b35c9602) · Commits · e / os / android_frameworks_base

core/java/android/view/Surface.java

+8 −3

Original line number	Diff line number	Diff line
		@@ -53,6 +53,9 @@ public class Surface implements Parcelable {

		private static native void nativeAllocateBuffers(long nativeObject);

		private static native int nativeGetWidth(long nativeObject);
		private static native int nativeGetHeight(long nativeObject);

		public static final Parcelable.Creator<Surface> CREATOR =
		new Parcelable.Creator<Surface>() {
		@Override
		@@ -327,7 +330,9 @@ public class Surface implements Parcelable {
		if (mHwuiContext == null) {
		mHwuiContext = new HwuiContext();
		}
		return mHwuiContext.lockCanvas();
		return mHwuiContext.lockCanvas(
		nativeGetWidth(mNativeObject),
		nativeGetHeight(mNativeObject));
		}
		}

		@@ -576,11 +581,11 @@ public class Surface implements Parcelable {
		mHwuiRenderer = nHwuiCreate(mRenderNode.mNativeRenderNode, mNativeObject);
		}

		Canvas lockCanvas() {
		Canvas lockCanvas(int width, int height) {
		if (mCanvas != null) {
		throw new IllegalStateException("Surface was already locked!");
		}
		mCanvas = mRenderNode.start(0, 0);
		mCanvas = mRenderNode.start(width, height);
		return mCanvas;
		}

+18 −0

Original line number	Diff line number	Diff line
		@@ -357,6 +357,22 @@ static void nativeWriteToParcel(JNIEnv* env, jclass clazz,
		parcel->writeStrongBinder( self != 0 ? self->getIGraphicBufferProducer()->asBinder() : NULL);
		}

		static jint nativeGetWidth(JNIEnv* env, jclass clazz, jlong nativeObject) {
		Surface* surface = reinterpret_cast<Surface*>(nativeObject);
		ANativeWindow* anw = static_cast<ANativeWindow*>(surface);
		int value = 0;
		anw->query(anw, NATIVE_WINDOW_WIDTH, &value);
		return value;
		}

		static jint nativeGetHeight(JNIEnv* env, jclass clazz, jlong nativeObject) {
		Surface* surface = reinterpret_cast<Surface*>(nativeObject);
		ANativeWindow* anw = static_cast<ANativeWindow*>(surface);
		int value = 0;
		anw->query(anw, NATIVE_WINDOW_HEIGHT, &value);
		return value;
		}

		namespace uirenderer {

		using namespace android::uirenderer::renderthread;
		@@ -426,6 +442,8 @@ static JNINativeMethod gSurfaceMethods[] = {
		(void*)nativeReadFromParcel },
		{"nativeWriteToParcel", "(JLandroid/os/Parcel;)V",
		(void*)nativeWriteToParcel },
		{"nativeGetWidth", "(J)I", (void*)nativeGetWidth },
		{"nativeGetHeight", "(J)I", (void*)nativeGetHeight },

		// HWUI context
		{"nHwuiCreate", "(JJ)J", (void*) hwui::create },