Refactored query function from SurfaceTexture into BufferQueue (b856052c) · Commits · e / os / android_frameworks_native-old

include/gui/BufferQueue.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,8 @@ public:
		BufferQueue(bool allowSynchronousMode = true);
		virtual ~BufferQueue();

		virtual int query(int what, int* value);

		// setBufferCount updates the number of available buffer slots. After
		// calling this all buffer slots are both unallocated and owned by the
		// BufferQueue object (i.e. they are not owned by the client).

+1 −1

Original line number	Diff line number	Diff line
		@@ -55,7 +55,7 @@ public:

		virtual ~SurfaceTexture();

		virtual int query(int what, int* value);


		// updateTexImage sets the image contents of the target texture to that of
		// the most recently queued buffer.

+31 −0

Original line number	Diff line number	Diff line
		@@ -166,6 +166,37 @@ status_t BufferQueue::setBufferCount(int bufferCount) {
		return OK;
		}

		int BufferQueue::query(int what, int* outValue)
		{
		Mutex::Autolock lock(mMutex);

		if (mAbandoned) {
		ST_LOGE("query: SurfaceTexture has been abandoned!");
		return NO_INIT;
		}

		int value;
		switch (what) {
		case NATIVE_WINDOW_WIDTH:
		value = mDefaultWidth;
		break;
		case NATIVE_WINDOW_HEIGHT:
		value = mDefaultHeight;
		break;
		case NATIVE_WINDOW_FORMAT:
		value = mPixelFormat;
		break;
		case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
		value = mSynchronousMode ?
		(MIN_UNDEQUEUED_BUFFERS-1) : MIN_UNDEQUEUED_BUFFERS;
		break;
		default:
		return BAD_VALUE;
		}
		outValue[0] = value;
		return NO_ERROR;
		}

		status_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
		ST_LOGV("requestBuffer: slot=%d", slot);
		Mutex::Autolock lock(mMutex);

+0 −29

Original line number	Diff line number	Diff line
		@@ -416,36 +416,7 @@ bool SurfaceTexture::isSynchronousMode() const {
		return mSynchronousMode;
		}

		int SurfaceTexture::query(int what, int* outValue)
		{
		Mutex::Autolock lock(mMutex);

		if (mAbandoned) {
		ST_LOGE("query: SurfaceTexture has been abandoned!");
		return NO_INIT;
		}

		int value;
		switch (what) {
		case NATIVE_WINDOW_WIDTH:
		value = mDefaultWidth;
		break;
		case NATIVE_WINDOW_HEIGHT:
		value = mDefaultHeight;
		break;
		case NATIVE_WINDOW_FORMAT:
		value = mPixelFormat;
		break;
		case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
		value = mSynchronousMode ?
		(MIN_UNDEQUEUED_BUFFERS-1) : MIN_UNDEQUEUED_BUFFERS;
		break;
		default:
		return BAD_VALUE;
		}
		outValue[0] = value;
		return NO_ERROR;
		}

		void SurfaceTexture::abandon() {
		Mutex::Autolock lock(mMutex);