Support HardwareLayers in RenderThread (19b6bcfd) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -3949,6 +3949,7 @@ public final class ActivityThread {
		ArrayList<ComponentCallbacks2> callbacks = collectComponentCallbacks(false, config);

		// Cleanup hardware accelerated stuff
		// TODO: Do we actually want to do this in response to all config changes?
		WindowManagerGlobal.getInstance().trimLocalMemory();

		freeTextLayoutCachesIfNeeded(configDiff);

core/java/android/view/GLRenderer.java

+9 −32

Original line number	Diff line number	Diff line
		@@ -477,17 +477,21 @@ public class GLRenderer extends HardwareRenderer {

		@Override
		void flushLayerUpdates() {
		if (validate()) {
		mGlCanvas.flushLayerUpdates();
		}
		}

		@Override
		HardwareLayer createTextureLayer() {
		validate();
		return HardwareLayer.createTextureLayer(this);
		}

		@Override
		public HardwareLayer createDisplayListLayer(int width, int height) {
		return HardwareLayer.createRenderLayer(this, width, height);
		validate();
		return HardwareLayer.createDisplayListLayer(this, width, height);
		}

		@Override
		@@ -510,6 +514,9 @@ public class GLRenderer extends HardwareRenderer {

		@Override
		boolean copyLayerInto(HardwareLayer layer, Bitmap bitmap) {
		if (!validate()) {
		throw new IllegalStateException("Could not acquire hardware rendering context");
		}
		layer.flushChanges();
		return GLES20Canvas.nCopyLayer(layer.getLayer(), bitmap.mNativeBitmap);
		}
		@@ -537,35 +544,6 @@ public class GLRenderer extends HardwareRenderer {
		return true;
		}

		@Override
		void destroyLayers(final View view) {
		if (view != null) {
		safelyRun(new Runnable() {
		@Override
		public void run() {
		if (mCanvas != null) {
		mCanvas.clearLayerUpdates();
		}
		destroyHardwareLayer(view);
		GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_LAYERS);
		}
		});
		}
		}

		private static void destroyHardwareLayer(View view) {
		view.destroyLayer(true);

		if (view instanceof ViewGroup) {
		ViewGroup group = (ViewGroup) view;

		int count = group.getChildCount();
		for (int i = 0; i < count; i++) {
		destroyHardwareLayer(group.getChildAt(i));
		}
		}
		}

		@Override
		void destroyHardwareResources(final View view) {
		if (view != null) {
		@@ -1069,7 +1047,6 @@ public class GLRenderer extends HardwareRenderer {
		return true;
		}

		@Override
		boolean validate() {
		return checkRenderContext() != SURFACE_STATE_ERROR;
		}

core/java/android/view/HardwareLayer.java

+26 −6

Original line number	Diff line number	Diff line
		@@ -33,7 +33,7 @@ import android.graphics.SurfaceTexture;
		*/
		final class HardwareLayer {
		private static final int LAYER_TYPE_TEXTURE = 1;
		private static final int LAYER_TYPE_RENDER = 2;
		private static final int LAYER_TYPE_DISPLAY_LIST = 2;

		private HardwareRenderer mRenderer;
		private Finalizer mFinalizer;
		@@ -99,6 +99,10 @@ final class HardwareLayer {
		doDestroyLayerUpdater();
		}

		public long getDeferredLayerUpdater() {
		return mFinalizer.mDeferredUpdater;
		}

		/**
		* Destroys the deferred layer updater but not the backing layer. The
		* backing layer is instead returned and is the caller's responsibility
		@@ -120,7 +124,7 @@ final class HardwareLayer {
		}

		public DisplayList startRecording() {
		assertType(LAYER_TYPE_RENDER);
		assertType(LAYER_TYPE_DISPLAY_LIST);

		if (mDisplayList == null) {
		mDisplayList = DisplayList.create("HardwareLayer");
		@@ -172,10 +176,18 @@ final class HardwareLayer {
		/**
		* Indicates that this layer has lost its texture.
		*/
		public void onTextureDestroyed() {
		public void detachSurfaceTexture(final SurfaceTexture surface) {
		assertType(LAYER_TYPE_TEXTURE);
		mRenderer.safelyRun(new Runnable() {
		@Override
		public void run() {
		surface.detachFromGLContext();
		// SurfaceTexture owns the texture name and detachFromGLContext
		// should have deleted it
		nOnTextureDestroyed(mFinalizer.mDeferredUpdater);
		}
		});
		}

		/**
		* This exists to minimize impact into the current HardwareLayer paths as
		@@ -226,12 +238,20 @@ final class HardwareLayer {
		return new HardwareLayer(renderer, nCreateTextureLayer(), LAYER_TYPE_TEXTURE);
		}

		static HardwareLayer adoptTextureLayer(HardwareRenderer renderer, long layer) {
		return new HardwareLayer(renderer, layer, LAYER_TYPE_TEXTURE);
		}

		/**
		* This should only be used by HardwareRenderer! Do not call directly
		*/
		static HardwareLayer createRenderLayer(HardwareRenderer renderer,
		static HardwareLayer createDisplayListLayer(HardwareRenderer renderer,
		int width, int height) {
		return new HardwareLayer(renderer, nCreateRenderLayer(width, height), LAYER_TYPE_RENDER);
		return new HardwareLayer(renderer, nCreateRenderLayer(width, height), LAYER_TYPE_DISPLAY_LIST);
		}

		static HardwareLayer adoptDisplayListLayer(HardwareRenderer renderer, long layer) {
		return new HardwareLayer(renderer, layer, LAYER_TYPE_DISPLAY_LIST);
		}

		/** This also creates the underlying layer */

core/java/android/view/HardwareRenderer.java

+0 −16

Original line number	Diff line number	Diff line
		@@ -233,13 +233,6 @@ public abstract class HardwareRenderer {
		*/
		abstract void updateSurface(Surface surface) throws OutOfResourcesException;

		/**
		* Destroys the layers used by the specified view hierarchy.
		*
		* @param view The root of the view hierarchy
		*/
		abstract void destroyLayers(View view);

		/**
		* Destroys all hardware rendering resources associated with the specified
		* view hierarchy.
		@@ -256,15 +249,6 @@ public abstract class HardwareRenderer {
		*/
		abstract void invalidate(Surface surface);

		/**
		* This method should be invoked to ensure the hardware renderer is in
		* valid state (for instance, to ensure the correct EGL context is bound
		* to the current thread.)
		*
		* @return true if the renderer is now valid, false otherwise
		*/
		abstract boolean validate();

		/**
		* This method ensures the hardware renderer is in a valid state
		* before executing the specified action.

core/java/android/view/TextureView.java

+2 −24

Original line number	Diff line number	Diff line
		@@ -231,26 +231,12 @@ public class TextureView extends View {
		@Override
		protected void onDetachedFromWindow() {
		super.onDetachedFromWindow();
		if (mLayer != null) {
		boolean success = executeHardwareAction(new Runnable() {
		@Override
		public void run() {
		destroySurface();
		}
		});

		if (!success) {
		Log.w(LOG_TAG, "TextureView was not able to destroy its surface: " + this);
		}
		}
		}

		private void destroySurface() {
		if (mLayer != null) {
		mSurface.detachFromGLContext();
		// SurfaceTexture owns the texture name and detachFromGLContext
		// should have deleted it
		mLayer.onTextureDestroyed();
		mLayer.detachSurfaceTexture(mSurface);

		boolean shouldRelease = true;
		if (mListener != null) {
		@@ -608,14 +594,6 @@ public class TextureView extends View {
		*/
		public Bitmap getBitmap(Bitmap bitmap) {
		if (bitmap != null && isAvailable()) {
		AttachInfo info = mAttachInfo;
		if (info != null && info.mHardwareRenderer != null &&
		info.mHardwareRenderer.isEnabled()) {
		if (!info.mHardwareRenderer.validate()) {
		throw new IllegalStateException("Could not acquire hardware rendering context");
		}
		}

		applyUpdate();
		applyTransformMatrix();