Discard framebuffer rendering queues when discarding layers (9c4b79af) · Commits · e / os / android_frameworks_base

core/java/android/view/GLES20Canvas.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -154,6 +154,7 @@ class GLES20Canvas extends HardwareCanvas {
		static native void nSetTextureLayerTransform(int layerId, int matrix);
		static native void nDestroyLayer(int layerId);
		static native void nDestroyLayerDeferred(int layerId);
		static native void nFlushLayer(int layerId);
		static native boolean nCopyLayer(int layerId, int bitmap);

		///////////////////////////////////////////////////////////////////////////

+7 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,13 @@ abstract class GLES20Layer extends HardwareLayer {
		mLayer = 0;
		}

		@Override
		void flush() {
		if (mLayer != 0) {
		GLES20Canvas.nFlushLayer(mLayer);
		}
		}

		static class Finalizer {
		private int mLayerId;

+5 −0

Original line number	Diff line number	Diff line
		@@ -115,6 +115,11 @@ abstract class HardwareLayer {
		*/
		abstract void destroy();

		/**
		* Flush the render queue associated with this layer.
		*/
		abstract void flush();

		/**
		* This must be invoked before drawing onto this layer.
		* @param currentCanvas

+17 −5

Original line number	Diff line number	Diff line
		@@ -10208,6 +10208,13 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
		}
		}

		// Make sure the HardwareRenderer.validate() was invoked before calling this method
		void flushLayer() {
		if (mLayerType == LAYER_TYPE_HARDWARE && mHardwareLayer != null) {
		mHardwareLayer.flush();
		}
		}

		/**
		* <p>Returns a hardware layer that can be used to draw this view again
		* without executing its draw method.</p>
		@@ -10220,6 +10227,8 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
		return null;
		}

		if (!mAttachInfo.mHardwareRenderer.validate()) return null;

		final int width = mRight - mLeft;
		final int height = mBottom - mTop;

		@@ -10293,12 +10302,15 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
		*/
		boolean destroyLayer() {
		if (mHardwareLayer != null) {
		AttachInfo info = mAttachInfo;
		if (info != null && info.mHardwareRenderer != null &&
		info.mHardwareRenderer.isEnabled() && info.mHardwareRenderer.validate()) {
		mHardwareLayer.destroy();
		mHardwareLayer = null;

		invalidate(true);
		invalidateParentCaches();

		}
		return true;
		}
		return false;

+12 −0

Original line number	Diff line number	Diff line
		@@ -2958,6 +2958,17 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		mDrawLayers = enabled;
		invalidate(true);

		boolean flushLayers = !enabled;
		AttachInfo info = mAttachInfo;
		if (info != null && info.mHardwareRenderer != null &&
		info.mHardwareRenderer.isEnabled()) {
		if (!info.mHardwareRenderer.validate()) {
		flushLayers = false;
		}
		} else {
		flushLayers = false;
		}

		// We need to invalidate any child with a layer. For instance,
		// if a child is backed by a hardware layer and we disable layers
		// the child is marked as not dirty (flags cleared the last time
		@@ -2968,6 +2979,7 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		for (int i = 0; i < mChildrenCount; i++) {
		View child = mChildren[i];
		if (child.mLayerType != LAYER_TYPE_NONE) {
		if (flushLayers) child.flushLayer();
		child.invalidate(true);
		}
		}