Allows to render with an OpenGL context inside a TextureView. (8f0095cd) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -21025,6 +21025,7 @@ package android.view {

	public static abstract interface TextureView.SurfaceTextureListener {		public static abstract interface TextureView.SurfaceTextureListener {
	method public abstract void onSurfaceTextureAvailable(android.graphics.SurfaceTexture);		method public abstract void onSurfaceTextureAvailable(android.graphics.SurfaceTexture);
			method public abstract void onSurfaceTextureSizeChanged(android.graphics.SurfaceTexture, int, int);
	}		}

	public class TouchDelegate {		public class TouchDelegate {

core/java/android/view/GLES20Canvas.java

+1 −2

Original line number	Original line	Diff line number	Diff line
	@@ -163,8 +163,7 @@ class GLES20Canvas extends HardwareCanvas {
	static native int nCreateTextureLayer(int[] layerInfo);		static native int nCreateTextureLayer(int[] layerInfo);
	static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo);		static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo);
	static native void nResizeLayer(int layerId, int width, int height, int[] layerInfo);		static native void nResizeLayer(int layerId, int width, int height, int[] layerInfo);
	static native void nUpdateTextureLayer(int layerId, int width, int height,		static native void nUpdateTextureLayer(int layerId, int width, int height, int surface);
	float[] textureTransform);
	static native void nDestroyLayer(int layerId);		static native void nDestroyLayer(int layerId);
	static native void nDestroyLayerDeferred(int layerId);		static native void nDestroyLayerDeferred(int layerId);

core/java/android/view/GLES20TextureLayer.java

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -70,7 +70,7 @@ class GLES20TextureLayer extends GLES20Layer {
	return mSurface;		return mSurface;
	}		}

	void update(int width, int height, float[] textureTransform) {		void update(int width, int height, int surface) {
	GLES20Canvas.nUpdateTextureLayer(mLayer, width, height, textureTransform);		GLES20Canvas.nUpdateTextureLayer(mLayer, width, height, surface);
	}		}
	}		}

core/java/android/view/HardwareRenderer.java

+4 −5

Original line number	Original line	Diff line number	Diff line
	@@ -202,11 +202,10 @@ public abstract class HardwareRenderer {
	* @param layer The hardware layer to update		* @param layer The hardware layer to update
	* @param width The layer's width		* @param width The layer's width
	* @param height The layer's height		* @param height The layer's height
	* @param textureTransform A 4x4 column-first transform matrix to apply to		* @param surface The surface to update
	* texture coordinates
	*/		*/
	abstract void updateTextureLayer(HardwareLayer layer, int width, int height,		abstract void updateTextureLayer(HardwareLayer layer, int width, int height,
	float[] textureTransform);		SurfaceTexture surface);

	/**		/**
	* Initializes the hardware renderer for the specified surface and setup the		* Initializes the hardware renderer for the specified surface and setup the
	@@ -906,8 +905,8 @@ public abstract class HardwareRenderer {

	@Override		@Override
	void updateTextureLayer(HardwareLayer layer, int width, int height,		void updateTextureLayer(HardwareLayer layer, int width, int height,
	float[] textureTransform) {		SurfaceTexture surface) {
	((GLES20TextureLayer) layer).update(width, height, textureTransform);		((GLES20TextureLayer) layer).update(width, height, surface.mSurfaceTexture);
	}		}

	static HardwareRenderer create(boolean translucent) {		static HardwareRenderer create(boolean translucent) {

core/java/android/view/TextureView.java

+47 −9

Original line number	Original line	Diff line number	Diff line
	@@ -73,6 +73,10 @@ import android.util.Log;
	* // Something bad happened		* // Something bad happened
	* }		* }
	* }		* }
			*
			* public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
			* // Ignored, Camera does all the work for us
			* }
	* }		* }
	* </pre>		* </pre>
	*		*
	@@ -91,14 +95,13 @@ public class TextureView extends View {
	private SurfaceTexture mSurface;		private SurfaceTexture mSurface;
	private SurfaceTextureListener mListener;		private SurfaceTextureListener mListener;

	private final float[] mTextureTransform = new float[16];

	private final Runnable mUpdateLayerAction = new Runnable() {		private final Runnable mUpdateLayerAction = new Runnable() {
	@Override		@Override
	public void run() {		public void run() {
	updateLayer();		updateLayer();
	}		}
	};		};
			private SurfaceTexture.OnFrameAvailableListener mUpdateListener;

	/**		/**
	* Creates a new TextureView.		* Creates a new TextureView.
	@@ -209,6 +212,14 @@ public class TextureView extends View {
	protected final void onDraw(Canvas canvas) {		protected final void onDraw(Canvas canvas) {
	}		}

			@Override
			protected void onSizeChanged(int w, int h, int oldw, int oldh) {
			super.onSizeChanged(w, h, oldw, oldh);
			if (mSurface != null) {
			nSetDefaultBufferSize(mSurface.mSurfaceTexture, getWidth(), getHeight());
			}
			}

	@Override		@Override
	HardwareLayer getHardwareLayer() {		HardwareLayer getHardwareLayer() {
	if (mAttachInfo == null \|\| mAttachInfo.mHardwareRenderer == null) {		if (mAttachInfo == null \|\| mAttachInfo.mHardwareRenderer == null) {
	@@ -218,15 +229,17 @@ public class TextureView extends View {
	if (mLayer == null) {		if (mLayer == null) {
	mLayer = mAttachInfo.mHardwareRenderer.createHardwareLayer();		mLayer = mAttachInfo.mHardwareRenderer.createHardwareLayer();
	mSurface = mAttachInfo.mHardwareRenderer.createSuraceTexture(mLayer);		mSurface = mAttachInfo.mHardwareRenderer.createSuraceTexture(mLayer);
			nSetDefaultBufferSize(mSurface.mSurfaceTexture, getWidth(), getHeight());

	mSurface.setOnFrameAvailableListener(new SurfaceTexture.OnFrameAvailableListener() {		mUpdateListener = new SurfaceTexture.OnFrameAvailableListener() {
	@Override		@Override
	public void onFrameAvailable(SurfaceTexture surfaceTexture) {		public void onFrameAvailable(SurfaceTexture surfaceTexture) {
	// Per SurfaceTexture's documentation, the callback may be invoked		// Per SurfaceTexture's documentation, the callback may be invoked
	// from an arbitrary thread		// from an arbitrary thread
	post(mUpdateLayerAction);		post(mUpdateLayerAction);
	}		}
	});		};
			mSurface.setOnFrameAvailableListener(mUpdateListener);

	if (mListener != null) {		if (mListener != null) {
	mListener.onSurfaceTextureAvailable(mSurface);		mListener.onSurfaceTextureAvailable(mSurface);
	@@ -236,16 +249,29 @@ public class TextureView extends View {
	return mLayer;		return mLayer;
	}		}

			@Override
			protected void onVisibilityChanged(View changedView, int visibility) {
			super.onVisibilityChanged(changedView, visibility);

			if (mSurface != null) {
			// When the view becomes invisible, stop updating it, it's a waste of CPU
			// To cancel updates, the easiest thing to do is simply to remove the
			// updates listener
			if (visibility == VISIBLE) {
			mSurface.setOnFrameAvailableListener(mUpdateListener);
			updateLayer();
			} else {
			mSurface.setOnFrameAvailableListener(null);
			}
			}
			}

	private void updateLayer() {		private void updateLayer() {
	if (mAttachInfo == null \|\| mAttachInfo.mHardwareRenderer == null) {		if (mAttachInfo == null \|\| mAttachInfo.mHardwareRenderer == null) {
	return;		return;
	}		}

	mSurface.updateTexImage();		mAttachInfo.mHardwareRenderer.updateTextureLayer(mLayer, getWidth(), getHeight(), mSurface);
	mSurface.getTransformMatrix(mTextureTransform);

	mAttachInfo.mHardwareRenderer.updateTextureLayer(mLayer, getWidth(), getHeight(),
	mTextureTransform);

	invalidate();		invalidate();
	}		}
	@@ -292,5 +318,17 @@ public class TextureView extends View {
	* {@link android.view.TextureView#getSurfaceTexture()}		* {@link android.view.TextureView#getSurfaceTexture()}
	*/		*/
	public void onSurfaceTextureAvailable(SurfaceTexture surface);		public void onSurfaceTextureAvailable(SurfaceTexture surface);

			/**
			* Invoked when the {@link SurfaceTexture}'s buffers size changed.
			*
			* @param surface The surface returned by
			* {@link android.view.TextureView#getSurfaceTexture()}
			* @param width The new width of the surface
			* @param height The new height of the surface
			*/
			public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height);
	}		}

			private static native void nSetDefaultBufferSize(int surfaceTexture, int width, int height);
	}		}