| /* |
| * Copyright (C) 2011 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.cts; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.renderscript.*; |
| |
| import com.android.cts.stub.R; |
| |
| // Renderscript activity |
| public class RenderscriptGLStubActivity extends Activity { |
| class StubActivityRS { |
| private Resources mRes; |
| private RenderScriptGL mRS; |
| |
| private ScriptC mScript; |
| |
| public StubActivityRS() { |
| } |
| |
| // This provides us with the renderscript context and resources that |
| // allow us to create the script that does rendering |
| public void init(RenderScriptGL rs, Resources res) { |
| mRS = rs; |
| mRes = res; |
| initRS(); |
| } |
| |
| private void initRS() { |
| mScript = new ScriptC_stub_activity(mRS, mRes, R.raw.stub_activity); |
| mRS.bindRootScript(mScript); |
| } |
| } |
| |
| class HelloWorldView extends RSSurfaceView { |
| // Renderscipt context |
| private RenderScriptGL mRS; |
| // Script that does the rendering |
| private StubActivityRS mRender; |
| |
| public HelloWorldView(Context context) { |
| super(context); |
| ensureRenderScript(); |
| } |
| |
| private void ensureRenderScript() { |
| if (mRS == null) { |
| // Initialize renderscript with desired surface characteristics. |
| // In this case, just use the defaults |
| RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig(); |
| mRS = createRenderScriptGL(sc); |
| // Create an instance of the script that does the rendering |
| mRender = new StubActivityRS(); |
| mRender.init(mRS, getResources()); |
| } |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| ensureRenderScript(); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| // Handle the system event and clean up |
| mRender = null; |
| if (mRS != null) { |
| mRS = null; |
| destroyRenderScriptGL(); |
| } |
| } |
| } |
| |
| // Custom view to use with RenderScript |
| private HelloWorldView mView; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| // Create our view and set it as the content of our Activity |
| mView = new HelloWorldView(this); |
| setContentView(mView); |
| } |
| |
| public void recreateView() { |
| mView = new HelloWorldView(this); |
| setContentView(mView); |
| } |
| |
| public void recreateMultiView() { |
| HelloWorldView view1 = new HelloWorldView(this); |
| HelloWorldView view2 = new HelloWorldView(this); |
| setContentView(view1); |
| setContentView(view2); |
| mView = view2; |
| } |
| |
| @Override |
| protected void onResume() { |
| // Ideally an app should implement onResume() and onPause() |
| // to take appropriate action when the activity loses focus |
| super.onResume(); |
| mView.resume(); |
| } |
| |
| @Override |
| protected void onPause() { |
| // Ideally an app should implement onResume() and onPause() |
| // to take appropriate action when the activity loses focus |
| super.onPause(); |
| mView.pause(); |
| } |
| |
| } |
| |