Adding a very simple all-code scenegraph example.

Change-Id: I776f8d8d0d3873c84141637d3479501ea92bac12

9 files changed, 291 insertions, 45 deletions

diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/ColladaParser.java b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/ColladaParser.java
index d954313..b4b6fb9 100644
--- a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/ColladaParser.java
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/ColladaParser.java
@@ -248,17 +248,17 @@ public class ColladaParser {
                 String description = field.getAttribute("sid");

                 if (fieldName.equals("translate")) {

                     Float3 value = getFloat3(field);

-                    current.addComponent(new TranslateComponent(description, value));

+                    current.addTranslate(description, value);

                     //Log.v(TAG, indent + " translate " + description + toString(value));

                 } else if (fieldName.equals("rotate")) {

                     Float4 value = getFloat4(field);

                     //Log.v(TAG, indent + " rotate " + description + toString(value));

                     Float3 axis = new Float3(value.x, value.y, value.z);

-                    current.addComponent(new RotateComponent(description, axis, value.w));

+                    current.addRotate(description, axis, value.w);

                 } else if (fieldName.equals("scale")) {

                     Float3 value = getFloat3(field);

                     //Log.v(TAG, indent + " scale " + description + toString(value));

-                    current.addComponent(new ScaleComponent(description, value));

+                    current.addScale(description, value);

                 } else if (fieldName.equals("instance_geometry")) {

                     getRenderable(field, current);

                 } else if (fieldName.equals("instance_light")) {

diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/CompoundTransform.java b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/CompoundTransform.java
index d995dd0..9274b17 100644
--- a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/CompoundTransform.java
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/CompoundTransform.java
@@ -134,6 +134,24 @@ public class CompoundTransform extends Transform {
         mTransformComponents = new ArrayList<Component>();
     }
 
+    public TranslateComponent addTranslate(String name, Float3 translate) {
+        TranslateComponent c = new TranslateComponent(name, translate);
+        addComponent(c);
+        return c;
+    }
+
+    public RotateComponent addRotate(String name, Float3 axis, float angle) {
+        RotateComponent c = new RotateComponent(name, axis, angle);
+        addComponent(c);
+        return c;
+    }
+
+    public ScaleComponent addScale(String name, Float3 scale) {
+        ScaleComponent c = new ScaleComponent(name, scale);
+        addComponent(c);
+        return c;
+    }
+
     public void addComponent(Component c) {
         if (c.mParent != null) {
             throw new IllegalArgumentException("Transform components may not be shared");
diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/Scene.java b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/Scene.java
index e840346..9bd3bf9 100644
--- a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/Scene.java
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/Scene.java
@@ -248,24 +248,29 @@ public class Scene extends SceneGraphBase {
     }
 
     private void addShaders(RenderScriptGL rs, Resources res, SceneManager sceneManager) {
-        Allocation shaderData = Allocation.createSized(rs, Element.ALLOCATION(rs),
-                                                       mVertexShaders.size());
-        Allocation[] shaderAllocs = new Allocation[mVertexShaders.size()];
-        for (int i = 0; i < mVertexShaders.size(); i ++) {
-            VertexShader sI = mVertexShaders.get(i);
-            shaderAllocs[i] = sI.getRSData().getAllocation();
+        if (mVertexShaders.size() > 0) {
+            Allocation shaderData = Allocation.createSized(rs, Element.ALLOCATION(rs),
+                                                           mVertexShaders.size());
+            Allocation[] shaderAllocs = new Allocation[mVertexShaders.size()];
+            for (int i = 0; i < mVertexShaders.size(); i ++) {
+                VertexShader sI = mVertexShaders.get(i);
+                shaderAllocs[i] = sI.getRSData().getAllocation();
+            }
+            shaderData.copyFrom(shaderAllocs);
+            sceneManager.mRenderLoop.set_gVertexShaders(shaderData);
         }
-        shaderData.copyFrom(shaderAllocs);
-        sceneManager.mRenderLoop.set_gVertexShaders(shaderData);
-
-        shaderData = Allocation.createSized(rs, Element.ALLOCATION(rs), mFragmentShaders.size());
-        shaderAllocs = new Allocation[mFragmentShaders.size()];
-        for (int i = 0; i < mFragmentShaders.size(); i ++) {
-            FragmentShader sI = mFragmentShaders.get(i);
-            shaderAllocs[i] = sI.getRSData().getAllocation();
+
+        if (mFragmentShaders.size() > 0) {
+            Allocation shaderData = Allocation.createSized(rs, Element.ALLOCATION(rs),
+                                                           mFragmentShaders.size());
+            Allocation[] shaderAllocs = new Allocation[mFragmentShaders.size()];
+            for (int i = 0; i < mFragmentShaders.size(); i ++) {
+                FragmentShader sI = mFragmentShaders.get(i);
+                shaderAllocs[i] = sI.getRSData().getAllocation();
+            }
+            shaderData.copyFrom(shaderAllocs);
+            sceneManager.mRenderLoop.set_gFragmentShaders(shaderData);
         }
-        shaderData.copyFrom(shaderAllocs);
-        sceneManager.mRenderLoop.set_gFragmentShaders(shaderData);
     }
 
     public void initRS() {
diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/SceneManager.java b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/SceneManager.java
index 2e9a5eb..3d1019e 100644
--- a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/SceneManager.java
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/SceneManager.java
@@ -342,7 +342,7 @@ public class SceneManager extends SceneGraphBase {
             final String code = "\n" +
                 "varying vec2 varTex0;\n" +
                 "void main() {\n" +
-                "   lowp vec4 col = texture2D(UNI_Tex0, varTex0).rgba;\n" +
+                "   lowp vec4 col = UNI_color;\n" +
                 "   gl_FragColor = col;\n" +
                 "}\n";
             FragmentShader.Builder fb = new FragmentShader.Builder(rs);
@@ -360,12 +360,14 @@ public class SceneManager extends SceneGraphBase {
         }
         if (sSceneManager.mTexture == null) {
             RenderScriptGL rs = getRS();
+
             final String code = "\n" +
                 "varying vec2 varTex0;\n" +
                 "void main() {\n" +
-                "   lowp vec4 col = UNI_color;\n" +
+                "   lowp vec4 col = texture2D(UNI_Tex0, varTex0).rgba;\n" +
                 "   gl_FragColor = col;\n" +
                 "}\n";
+
             FragmentShader.Builder fb = new FragmentShader.Builder(rs);
             fb.setShader(code);
             fb.addTexture(Program.TextureType.TEXTURE_2D, "Tex0");
@@ -408,17 +410,10 @@ public class SceneManager extends SceneGraphBase {
         Mesh.TriangleMeshBuilder tmb = new Mesh.TriangleMeshBuilder(mRS,
                                            3, Mesh.TriangleMeshBuilder.TEXTURE_0);
 
-        tmb.setTexture(0.0f, 1.0f);
-        tmb.addVertex(-1.0f, 1.0f, 1.0f);
-
-        tmb.setTexture(0.0f, 0.0f);
-        tmb.addVertex(-1.0f, -1.0f, 1.0f);
-
-        tmb.setTexture(1.0f, 0.0f);
-        tmb.addVertex(1.0f, -1.0f, 1.0f);
-
-        tmb.setTexture(1.0f, 1.0f);
-        tmb.addVertex(1.0f, 1.0f, 1.0f);
+        tmb.setTexture(0.0f, 1.0f).addVertex(-1.0f, 1.0f, 1.0f);
+        tmb.setTexture(0.0f, 0.0f).addVertex(-1.0f, -1.0f, 1.0f);
+        tmb.setTexture(1.0f, 0.0f).addVertex(1.0f, -1.0f, 1.0f);
+        tmb.setTexture(1.0f, 1.0f).addVertex(1.0f, 1.0f, 1.0f);
 
         tmb.addTriangle(0, 1, 2);
         tmb.addTriangle(2, 3, 0);
diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/render.rs b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/render.rs
index d8d48b3..8a73dbd 100644
--- a/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/render.rs
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/scenegraph/render.rs
@@ -142,10 +142,14 @@ static void drawAllObjects(rs_allocation allObj) {
         return;
     }
 
-    rsForEach(gVertexParamsScript, nullAlloc, gVertexShaders,
-              gActiveCamera, sizeof(gActiveCamera));
-    rsForEach(gFragmentParamsScript, nullAlloc, gFragmentShaders,
-              gActiveCamera, sizeof(gActiveCamera));
+    if (rsIsObject(gVertexShaders)) {
+        rsForEach(gVertexParamsScript, nullAlloc, gVertexShaders,
+                  gActiveCamera, sizeof(gActiveCamera));
+    }
+    if (rsIsObject(gFragmentShaders)) {
+        rsForEach(gFragmentParamsScript, nullAlloc, gFragmentShaders,
+                  gActiveCamera, sizeof(gActiveCamera));
+    }
 
     // Run the params and cull script
     rsForEach(gCullScript, nullAlloc, allObj, gActiveCamera, sizeof(gActiveCamera));
diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleApp.java b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleApp.java
new file mode 100644
index 0000000..314db80
--- /dev/null
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleApp.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2012 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.testapp;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScript;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.view.Window;
+import android.view.Window;
+import android.net.Uri;
+
+import java.lang.Runtime;
+
+public class SimpleApp extends Activity {
+
+    private SimpleAppView mView;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        // Create our Preview view and set it as the content of our
+        // Activity
+        mView = new SimpleAppView(this);
+        setContentView(mView);
+    }
+}
+
diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleAppRS.java b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleAppRS.java
new file mode 100644
index 0000000..9388838
--- /dev/null
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleAppRS.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2012 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.testapp;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Vector;
+
+import com.android.scenegraph.*;
+import com.android.scenegraph.SceneManager.SceneLoadedCallback;
+
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.AsyncTask;
+import android.renderscript.*;
+import android.renderscript.Program.TextureType;
+import android.util.Log;
+
+// This is where the scenegraph and the rendered objects are initialized and used
+public class SimpleAppRS {
+
+    private static String TAG = "SimpleAppRS";
+
+    SceneManager mSceneManager;
+    ArrayList<Renderable> geometry = new ArrayList<Renderable>();
+
+    Scene mScene;
+    RenderScriptGL mRS;
+    Resources mRes;
+
+    public void init(RenderScriptGL rs, Resources res, int width, int height) {
+        mRS = rs;
+        mRes = res;
+        mSceneManager = SceneManager.getInstance();
+        mSceneManager.initRS(mRS, mRes, width, height);
+
+        mScene = new Scene();
+
+        setupGeometry();
+        setupCamera();
+        setupRenderPass();
+        setupShaders();
+
+        mSceneManager.setActiveScene(mScene);
+
+        mScene.initRS();
+        mRS.bindRootScript(mSceneManager.getRenderLoop());
+    }
+
+    private void setupShaders() {
+        // Built-in shader that provides position, texcoord and normal
+        VertexShader genericV = SceneManager.getDefaultVS();
+        // Built-in shader that displays a color
+        FragmentShader colorF = SceneManager.getColorFS();
+        mScene.assignRenderState(new RenderState(genericV, colorF, null, null));
+    }
+    private void setupGeometry() {
+        Mesh.TriangleMeshBuilder tmb = new Mesh.TriangleMeshBuilder(mRS,
+                                           3, Mesh.TriangleMeshBuilder.TEXTURE_0);
+
+        tmb.setTexture(0.0f, 1.0f).addVertex(-1.0f, 1.0f, 0.0f);
+        tmb.setTexture(0.0f, 0.0f).addVertex(-1.0f, -1.0f, 0.0f);
+        tmb.setTexture(1.0f, 0.0f).addVertex(1.0f, -1.0f, 0.0f);
+        tmb.setTexture(1.0f, 1.0f).addVertex(1.0f, 1.0f, 0.0f);
+
+        tmb.addTriangle(0, 1, 2);
+        tmb.addTriangle(2, 3, 0);
+
+        Mesh mesh  = tmb.create(true);
+
+        Renderable quad = new Renderable();
+        quad.setMesh(mesh);
+        quad.setTransform(new CompoundTransform());
+        quad.appendSourceParams(new Float4Param("color", 0.2f, 0.3f, 0.4f));
+
+        mScene.appendRenderable(quad);
+        geometry.add(quad);
+    }
+
+    private void setupCamera() {
+        Camera camera = new Camera();
+        camera.setFar(200);
+        camera.setNear(0.1f);
+        camera.setFOV(60);
+        CompoundTransform cameraTransform = new CompoundTransform();
+        cameraTransform.addTranslate("camera", new Float3(0, 0, 10));
+        mScene.appendTransform(cameraTransform);
+        camera.setTransform(cameraTransform);
+        mScene.appendCamera(camera);
+    }
+
+    private void setupRenderPass() {
+        RenderPass mainPass = new RenderPass();
+        mainPass.setClearColor(new Float4(1.0f, 1.0f, 1.0f, 1.0f));
+        mainPass.setShouldClearColor(true);
+        mainPass.setClearDepth(1.0f);
+        mainPass.setShouldClearDepth(true);
+        mainPass.setCamera(mScene.getCameras().get(0));
+        for (Renderable renderable : geometry) {
+            mainPass.appendRenderable(renderable);
+        }
+        mScene.appendRenderPass(mainPass);
+    }
+}
diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleAppView.java b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleAppView.java
new file mode 100644
index 0000000..053e545
--- /dev/null
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/SimpleAppView.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2012 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.testapp;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScript;
+import android.renderscript.RenderScriptGL;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.util.Log;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+
+public class SimpleAppView extends RSSurfaceView {
+
+    public SimpleAppView(Context context) {
+        super(context);
+    }
+
+    private RenderScriptGL mRS;
+    SimpleAppRS mRender;
+
+    public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
+        super.surfaceChanged(holder, format, w, h);
+        if (mRS == null) {
+            RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
+            sc.setDepth(16, 24);
+            mRS = createRenderScriptGL(sc);
+            mRS.setSurface(holder, w, h);
+            mRender = new SimpleAppRS();
+            mRender.init(mRS, getResources(), w, h);
+        }
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        if (mRS != null) {
+            mRender = null;
+            mRS = null;
+            destroyRenderScriptGL();
+        }
+    }
+}
+
+
diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/TouchHandler.java b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/TouchHandler.java
index d8e48e8..c182c29 100644
--- a/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/TouchHandler.java
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/TouchHandler.java
@@ -47,18 +47,15 @@ public class TouchHandler {
         mDistValue = new Float3(0, 0, 45);
         mPosValue = new Float3(0, 4, 0);
 
-        mRotateX = new RotateComponent("RotateX", new Float3(1, 0, 0), mRotateXValue);
-        mRotateY = new RotateComponent("RotateY", new Float3(0, 1, 0), mRotateYValue);
-        mDist = new TranslateComponent("Distance", mDistValue);
-        mPosition = new TranslateComponent("Distance", mPosValue);
-
         // Make a camera transform we can manipulate
         mCameraRig = new CompoundTransform();
         mCameraRig.setName("CameraRig");
-        mCameraRig.addComponent(mPosition);
-        mCameraRig.addComponent(mRotateY);
-        mCameraRig.addComponent(mRotateX);
-        mCameraRig.addComponent(mDist);
+
+        mPosition = mCameraRig.addTranslate("Position", mPosValue);
+        mRotateY  = mCameraRig.addRotate("RotateY", new Float3(0, 1, 0), mRotateYValue);
+        mRotateX  = mCameraRig.addRotate("RotateX", new Float3(1, 0, 0), mRotateXValue);
+        mDist     = mCameraRig.addTranslate("Distance", mDistValue);
+
         scene.appendTransform(mCameraRig);
         mCamera = new Camera();
         mCamera.setTransform(mCameraRig);