3 files changed, 43 insertions, 0 deletions

diff --git a/core/java/android/view/GLRenderer.java b/core/java/android/view/GLRenderer.java
index 125d11e..d6e1781 100644
--- a/core/java/android/view/GLRenderer.java
+++ b/core/java/android/view/GLRenderer.java
@@ -555,6 +555,32 @@ public class GLRenderer extends HardwareRenderer {
     }
 
     @Override
+    public void invokeFunctor(long functor, boolean waitForCompletion) {
+        boolean needsContext = !isEnabled() || checkRenderContext() == SURFACE_STATE_ERROR;
+        boolean hasContext = !needsContext;
+
+        if (needsContext) {
+            GLRendererEglContext managedContext =
+                    (GLRendererEglContext) sEglContextStorage.get();
+            if (managedContext != null) {
+                usePbufferSurface(managedContext.getContext());
+                hasContext = true;
+            }
+        }
+
+        try {
+            nInvokeFunctor(functor, hasContext);
+        } finally {
+            if (needsContext) {
+                sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE,
+                        EGL_NO_SURFACE, EGL_NO_CONTEXT);
+            }
+        }
+    }
+
+    private static native void nInvokeFunctor(long functor, boolean hasContext);
+
+    @Override
     void destroyHardwareResources(final View view) {
         if (view != null) {
             safelyRun(new Runnable() {
diff --git a/core/java/android/view/HardwareRenderer.java b/core/java/android/view/HardwareRenderer.java
index 34efcf5..4f646e1 100644
--- a/core/java/android/view/HardwareRenderer.java
+++ b/core/java/android/view/HardwareRenderer.java
@@ -438,6 +438,17 @@ public abstract class HardwareRenderer {
     abstract void attachFunctor(View.AttachInfo attachInfo, long functor);
 
     /**
+     * Schedules the functor for execution in either kModeProcess or
+     * kModeProcessNoContext, depending on whether or not there is an EGLContext.
+     *
+     * @param functor The native functor to invoke
+     * @param waitForCompletion If true, this will not return until the functor
+     *                          has invoked. If false, the functor may be invoked
+     *                          asynchronously.
+     */
+    public abstract void invokeFunctor(long functor, boolean waitForCompletion);
+
+    /**
      * Initializes the hardware renderer for the specified surface and setup the
      * renderer for drawing, if needed. This is invoked when the ViewAncestor has
      * potentially lost the hardware renderer. The hardware renderer should be
diff --git a/core/java/android/view/ThreadedRenderer.java b/core/java/android/view/ThreadedRenderer.java
index 2a488a0..7b8a1ff 100644
--- a/core/java/android/view/ThreadedRenderer.java
+++ b/core/java/android/view/ThreadedRenderer.java
@@ -186,6 +186,11 @@ public class ThreadedRenderer extends HardwareRenderer {
     }
 
     @Override
+    public void invokeFunctor(long functor, boolean waitForCompletion) {
+        nInvokeFunctor(mNativeProxy, functor, waitForCompletion);
+    }
+
+    @Override
     HardwareLayer createDisplayListLayer(int width, int height) {
         long layer = nCreateDisplayListLayer(mNativeProxy, width, height);
         return HardwareLayer.adoptDisplayListLayer(this, layer);
@@ -266,6 +271,7 @@ public class ThreadedRenderer extends HardwareRenderer {
 
     private static native void nAttachFunctor(long nativeProxy, long functor);
     private static native void nDetachFunctor(long nativeProxy, long functor);
+    private static native void nInvokeFunctor(long nativeProxy, long functor, boolean waitForCompletion);
 
     private static native long nCreateDisplayListLayer(long nativeProxy, int width, int height);
     private static native long nCreateTextureLayer(long nativeProxy);