1 files changed, 167 insertions, 0 deletions
diff --git a/graphics/java/android/renderscript/RSSurfaceView.java b/graphics/java/android/renderscript/RSSurfaceView.java
new file mode 100644
index 0000000..1bc03ac
--- /dev/null
+++ b/graphics/java/android/renderscript/RSSurfaceView.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.renderscript;
+
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.concurrent.Semaphore;
+
+import android.content.Context;
+import android.os.Handler;
+import android.os.Message;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.util.Log;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+
+/**
+ * @hide
+ *
+ **/
+public class RSSurfaceView extends SurfaceView implements SurfaceHolder.Callback {
+    private SurfaceHolder mSurfaceHolder;
+    private RenderScript mRS;
+
+    /**
+     * Standard View constructor. In order to render something, you
+     * must call {@link #setRenderer} to register a renderer.
+     */
+    public RSSurfaceView(Context context) {
+        super(context);
+        init();
+        //Log.v(RenderScript.LOG_TAG, "RSSurfaceView");
+    }
+
+    /**
+     * Standard View constructor. In order to render something, you
+     * must call {@link #setRenderer} to register a renderer.
+     */
+    public RSSurfaceView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+        //Log.v(RenderScript.LOG_TAG, "RSSurfaceView");
+    }
+
+    private void init() {
+        // Install a SurfaceHolder.Callback so we get notified when the
+        // underlying surface is created and destroyed
+        SurfaceHolder holder = getHolder();
+        holder.addCallback(this);
+    }
+
+    /**
+     * This method is part of the SurfaceHolder.Callback interface, and is
+     * not normally called or subclassed by clients of RSSurfaceView.
+     */
+    public void surfaceCreated(SurfaceHolder holder) {
+        Log.v(RenderScript.LOG_TAG, "surfaceCreated");
+        mSurfaceHolder = holder;
+    }
+
+    /**
+     * This method is part of the SurfaceHolder.Callback interface, and is
+     * not normally called or subclassed by clients of RSSurfaceView.
+     */
+    public void surfaceDestroyed(SurfaceHolder holder) {
+        // Surface will be destroyed when we return
+        if (mRS != null) {
+            mRS.contextSetSurface(null);
+        }
+        //Log.v(RenderScript.LOG_TAG, "surfaceDestroyed");
+    }
+
+    /**
+     * This method is part of the SurfaceHolder.Callback interface, and is
+     * 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");
+    }
+
+    /**
+     * Inform the view that the activity is paused. The owner of this view must
+     * call this method when the activity is paused. Calling this method will
+     * pause the rendering thread.
+     * Must not be called before a renderer has been set.
+     */
+    public void onPause() {
+        if(mRS != null) {
+            mRS.pause();
+        }
+        //Log.v(RenderScript.LOG_TAG, "onPause");
+    }
+
+    /**
+     * Inform the view that the activity is resumed. The owner of this view must
+     * call this method when the activity is resumed. Calling this method will
+     * recreate the OpenGL display and resume the rendering
+     * thread.
+     * Must not be called before a renderer has been set.
+     */
+    public void onResume() {
+        if(mRS != null) {
+            mRS.resume();
+        }
+        //Log.v(RenderScript.LOG_TAG, "onResume");
+    }
+
+    /**
+     * Queue a runnable to be run on the GL rendering thread. This can be used
+     * to communicate with the Renderer on the rendering thread.
+     * Must not be called before a renderer has been set.
+     * @param r the runnable to be run on the GL rendering thread.
+     */
+    public void queueEvent(Runnable r) {
+        //Log.v(RenderScript.LOG_TAG, "queueEvent");
+    }
+
+    /**
+     * This method is used as part of the View class and is not normally
+     * called or subclassed by clients of RSSurfaceView.
+     * Must not be called before a renderer has been set.
+     */
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+    }
+
+    // ----------------------------------------------------------------------
+
+    public RenderScript createRenderScript(boolean useDepth, boolean forceSW) {
+        Surface sur = null;
+        while ((sur == null) || (mSurfaceHolder == null)) {
+            sur = getHolder().getSurface();
+        }
+        mRS = new RenderScript(sur, useDepth, forceSW);
+        return mRS;
+    }
+
+    public RenderScript createRenderScript(boolean useDepth) {
+        return createRenderScript(useDepth, false);
+    }
+
+    public void destroyRenderScript() {
+        mRS.destroy();
+        mRS = null;
+    }
+}
+