Add allowSynchronousMode to SurfaceTexture constructor. (0904d0af) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -8364,6 +8364,7 @@ package android.graphics {

		public class SurfaceTexture {
		ctor public SurfaceTexture(int);
		ctor public SurfaceTexture(int, boolean);
		method public long getTimestamp();
		method public void getTransformMatrix(float[]);
		method public void setOnFrameAvailableListener(android.graphics.SurfaceTexture.OnFrameAvailableListener);

+3 −3

Original line number	Diff line number	Diff line
		@@ -155,9 +155,9 @@ static void SurfaceTexture_classInit(JNIEnv* env, jclass clazz)
		}

		static void SurfaceTexture_init(JNIEnv* env, jobject thiz, jint texName,
		jobject weakThiz)
		jobject weakThiz, jboolean allowSynchronous)
		{
		sp<SurfaceTexture> surfaceTexture(new SurfaceTexture(texName));
		sp<SurfaceTexture> surfaceTexture(new SurfaceTexture(texName, allowSynchronous));
		if (surfaceTexture == 0) {
		jniThrowException(env, OutOfResourcesException,
		"Unable to create native SurfaceTexture");
		@@ -222,7 +222,7 @@ static jint SurfaceTexture_getQueuedCount(JNIEnv* env, jobject thiz)

		static JNINativeMethod gSurfaceTextureMethods[] = {
		{"nativeClassInit", "()V", (void*)SurfaceTexture_classInit },
		{"nativeInit", "(ILjava/lang/Object;)V", (void*)SurfaceTexture_init },
		{"nativeInit", "(ILjava/lang/Object;Z)V", (void*)SurfaceTexture_init },
		{"nativeFinalize", "()V", (void*)SurfaceTexture_finalize },
		{"nativeSetDefaultBufferSize", "(II)V", (void*)SurfaceTexture_setDefaultBufferSize },
		{"nativeUpdateTexImage", "()V", (void*)SurfaceTexture_updateTexImage },

+15 −2

Original line number	Diff line number	Diff line
		@@ -93,6 +93,19 @@ public class SurfaceTexture {
		* @param texName the OpenGL texture object name (e.g. generated via glGenTextures)
		*/
		public SurfaceTexture(int texName) {
		this(texName, true);
		}

		/**
		* Construct a new SurfaceTexture to stream images to a given OpenGL texture.
		*
		* @param texName the OpenGL texture object name (e.g. generated via glGenTextures)
		* @param allowSynchronousMode whether the SurfaceTexture can run in the synchronous mode.
		* When the image stream comes from OpenGL, SurfaceTexture may run in the synchronous
		* mode where the producer side may be blocked to avoid skipping frames. To avoid the
		* thread block, set allowSynchronousMode to false.
		*/
		public SurfaceTexture(int texName, boolean allowSynchronousMode) {
		Looper looper;
		if ((looper = Looper.myLooper()) != null) {
		mEventHandler = new EventHandler(looper);
		@@ -101,7 +114,7 @@ public class SurfaceTexture {
		} else {
		mEventHandler = null;
		}
		nativeInit(texName, new WeakReference<SurfaceTexture>(this));
		nativeInit(texName, new WeakReference<SurfaceTexture>(this), allowSynchronousMode);
		}

		/**
		@@ -213,7 +226,7 @@ public class SurfaceTexture {
		}
		}

		private native void nativeInit(int texName, Object weakSelf);
		private native void nativeInit(int texName, Object weakSelf, boolean allowSynchronousMode);
		private native void nativeFinalize();
		private native void nativeGetTransformMatrix(float[] mtx);
		private native long nativeGetTimestamp();

+4 −1

Original line number	Diff line number	Diff line
		@@ -56,7 +56,7 @@ public:

		// tex indicates the name OpenGL texture to which images are to be streamed.
		// This texture name cannot be changed once the SurfaceTexture is created.
		SurfaceTexture(GLuint tex);
		SurfaceTexture(GLuint tex, bool allowSynchronousMode = true);

		virtual ~SurfaceTexture();

		@@ -361,6 +361,9 @@ private:
		// mSynchronousMode whether we're in synchronous mode or not
		bool mSynchronousMode;

		// mAllowSynchronousMode whether we allow synchronous mode or not
		const bool mAllowSynchronousMode;

		// mDequeueCondition condition used for dequeueBuffer in synchronous mode
		mutable Condition mDequeueCondition;

+6 −2

Original line number	Diff line number	Diff line
		@@ -78,7 +78,7 @@ static float mtxRot270[16] = {

		static void mtxMul(float out[16], const float a[16], const float b[16]);

		SurfaceTexture::SurfaceTexture(GLuint tex) :
		SurfaceTexture::SurfaceTexture(GLuint tex, bool allowSynchronousMode) :
		mDefaultWidth(1),
		mDefaultHeight(1),
		mPixelFormat(PIXEL_FORMAT_RGBA_8888),
		@@ -91,7 +91,8 @@ SurfaceTexture::SurfaceTexture(GLuint tex) :
		mCurrentTimestamp(0),
		mNextTransform(0),
		mTexName(tex),
		mSynchronousMode(false) {
		mSynchronousMode(false),
		mAllowSynchronousMode(allowSynchronousMode) {
		LOGV("SurfaceTexture::SurfaceTexture");
		sp<ISurfaceComposer> composer(ComposerService::getComposerService());
		mGraphicBufferAlloc = composer->createGraphicBufferAlloc();
		@@ -371,6 +372,9 @@ status_t SurfaceTexture::setSynchronousMode(bool enabled) {
		Mutex::Autolock lock(mMutex);

		status_t err = OK;
		if (!mAllowSynchronousMode && enabled)
		return err;

		if (!enabled) {
		// going to asynchronous mode, drain the queue
		while (mSynchronousMode != enabled && !mQueue.isEmpty()) {