am decc139b: Merge change I7a824efc into eclair

Merge commit 'decc139b232721ea1b0521d144521c8082636f0c' into eclair-mr2

* commit 'decc139b232721ea1b0521d144521c8082636f0c':
  Support applications changing the surface attached to the RS.

2 files changed, 12 insertions, 0 deletions

diff --git a/graphics/java/android/renderscript/RSSurfaceView.java b/graphics/java/android/renderscript/RSSurfaceView.java
index 53466cc..1bc03ac 100644
--- a/graphics/java/android/renderscript/RSSurfaceView.java
+++ b/graphics/java/android/renderscript/RSSurfaceView.java
@@ -80,6 +80,9 @@ public class RSSurfaceView extends SurfaceView implements SurfaceHolder.Callback
      */
     public void surfaceDestroyed(SurfaceHolder holder) {
         // Surface will be destroyed when we return
+        if (mRS != null) {
+            mRS.contextSetSurface(null);
+        }
         //Log.v(RenderScript.LOG_TAG, "surfaceDestroyed");
     }
 
@@ -88,6 +91,9 @@ public class RSSurfaceView extends SurfaceView implements SurfaceHolder.Callback
      * not normally called or subclassed by clients of RSSurfaceView.
      */
     public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
+        if (mRS != null) {
+            mRS.contextSetSurface(holder.getSurface());
+        }
         //Log.v(RenderScript.LOG_TAG, "surfaceChanged");
     }
 
diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index 1f2ea38..f1e5af1 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -64,6 +64,7 @@ public class RenderScript {
     native void nDeviceSetConfig(int dev, int param, int value);
     native int  nContextCreate(int dev, Surface sur, int ver, boolean useDepth);
     native void nContextDestroy(int con);
+    native void nContextSetSurface(Surface sur);
 
     native void nContextBindRootScript(int script);
     native void nContextBindSampler(int sampler, int slot);
@@ -276,6 +277,11 @@ public class RenderScript {
         mMessageThread.start();
     }
 
+    public void contextSetSurface(Surface sur) {
+        mSurface = sur;
+        nContextSetSurface(mSurface);
+    }
+
     public void destroy() {
         nContextDeinitToClient();
         mMessageThread.mRun = false;