HelloWorld graphics sample for Renderscript.

Change-Id: I7f5c4813a207a37f67c563407369a1dbc1be250d

7 files changed, 290 insertions, 0 deletions

diff --git a/libs/rs/java/HelloWorld/Android.mk b/libs/rs/java/HelloWorld/Android.mk
new file mode 100644
index 0000000..72f0f03
--- /dev/null
+++ b/libs/rs/java/HelloWorld/Android.mk
@@ -0,0 +1,30 @@
+#
+# 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.
+#
+
+ifneq ($(TARGET_SIMULATOR),true)
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src) $(call all-renderscript-files-under, src)
+
+LOCAL_PACKAGE_NAME := HelloWorld
+
+include $(BUILD_PACKAGE)
+
+endif
diff --git a/libs/rs/java/HelloWorld/AndroidManifest.xml b/libs/rs/java/HelloWorld/AndroidManifest.xml
new file mode 100644
index 0000000..e7c9a95
--- /dev/null
+++ b/libs/rs/java/HelloWorld/AndroidManifest.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.rs.helloworld">
+    <uses-sdk android:minSdkVersion="11" />
+    <application android:label="HelloWorld"
+    android:icon="@drawable/test_pattern">
+        <activity android:name="HelloWorld"
+                  android:label="HelloWorld"
+                  android:theme="@android:style/Theme.Black.NoTitleBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/libs/rs/java/HelloWorld/res/drawable/test_pattern.png b/libs/rs/java/HelloWorld/res/drawable/test_pattern.png
new file mode 100644
index 0000000..e7d1455
--- /dev/null
+++ b/libs/rs/java/HelloWorld/res/drawable/test_pattern.png
diff --git a/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorld.java b/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorld.java
new file mode 100644
index 0000000..f63015e
--- /dev/null
+++ b/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorld.java
@@ -0,0 +1,54 @@
+/*
+ * 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 com.android.rs.helloworld;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+// Renderscript activity
+public class HelloWorld extends Activity {
+
+    // 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);
+    }
+
+    @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();
+    }
+
+}
+
diff --git a/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorldRS.java b/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorldRS.java
new file mode 100644
index 0000000..c9c1316
--- /dev/null
+++ b/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorldRS.java
@@ -0,0 +1,52 @@
+/*
+ * 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 com.android.rs.helloworld;
+
+import android.content.res.Resources;
+import android.renderscript.*;
+
+// This is the renderer for the HelloWorldView
+public class HelloWorldRS {
+    private Resources mRes;
+    private RenderScriptGL mRS;
+
+    private ScriptC_helloworld mScript;
+
+    public HelloWorldRS() {
+    }
+
+    // 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();
+    }
+
+    public void onActionDown(int x, int y) {
+        mScript.set_gTouchX(x);
+        mScript.set_gTouchY(y);
+    }
+
+    private void initRS() {
+        mScript = new ScriptC_helloworld(mRS, mRes, R.raw.helloworld);
+        mRS.bindRootScript(mScript);
+    }
+}
+
+
+
diff --git a/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorldView.java b/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorldView.java
new file mode 100644
index 0000000..8cddb2a
--- /dev/null
+++ b/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/HelloWorldView.java
@@ -0,0 +1,76 @@
+/*
+ * 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 com.android.rs.helloworld;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScriptGL;
+
+import android.content.Context;
+import android.view.MotionEvent;
+
+public class HelloWorldView extends RSSurfaceView {
+    // Renderscipt context
+    private RenderScriptGL mRS;
+    // Script that does the rendering
+    private HelloWorldRS 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 HelloWorldRS();
+            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();
+        }
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        // Pass touch events from the system to the rendering script
+        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
+            mRender.onActionDown((int)ev.getX(), (int)ev.getY());
+            return true;
+        }
+
+        return false;
+    }
+}
+
+
diff --git a/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/helloworld.rs b/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/helloworld.rs
new file mode 100644
index 0000000..fa171f5
--- /dev/null
+++ b/libs/rs/java/HelloWorld/src/com/android/rs/helloworld/helloworld.rs
@@ -0,0 +1,47 @@
+// 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.
+
+#pragma version(1)
+
+// Tell which java package name the reflected files should belong to
+#pragma rs java_package_name(com.android.rs.helloworld)
+
+// Built-in header with graphics API's
+#include "rs_graphics.rsh"
+
+// gTouchX and gTouchY are variables that will be reflected for use
+// by the java API. We can use them to notify the script of touch events.
+int gTouchX;
+int gTouchY;
+
+// This is invoked automatically when the script is created
+void init() {
+    gTouchX = 50.0f;
+    gTouchY = 50.0f;
+}
+
+int root(int launchID) {
+
+    // Clear the background color
+    rsgClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+    // Tell the runtime what the font color should be
+    rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f);
+    // Introuduce ourselves to the world by drawing a greeting
+    // at the position user touched on the screen
+    rsgDrawText("Hello World!", gTouchX, gTouchY);
+
+    // Return value tells RS roughly how often to redraw
+    // in this case 20 ms
+    return 20;
+}