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/*
* 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;
RenderScriptGL mRS;
Resources mRes;
Scene mScene;
Mesh mSimpleMesh;
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();
setupRenderables();
setupCamera();
setupRenderPass();
mSceneManager.setActiveScene(mScene);
mScene.initRS();
mRS.bindRootScript(mSceneManager.getRenderLoop());
}
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);
mSimpleMesh = tmb.create(true);
}
private void setupRenderables() {
// Built-in shader that provides position, texcoord and normal
VertexShader genericV = SceneManager.getDefaultVS();
// Built-in shader that displays a color
FragmentShader colorF = SceneManager.getColorFS();
// Built-in shader that displays a texture
FragmentShader textureF = SceneManager.getTextureFS();
RenderState colorRS = new RenderState(genericV, colorF, null, null);
ProgramStore alphaBlend = ProgramStore.BLEND_ALPHA_DEPTH_TEST(mRS);
RenderState texRS = new RenderState(genericV, textureF, alphaBlend, null);
// Draw a simple colored quad
Renderable quad = mScene.appendNewRenderable();
quad.setMesh(mSimpleMesh);
quad.appendSourceParams(new Float4Param("color", 0.2f, 0.3f, 0.4f));
quad.setRenderState(colorRS);
// Draw a textured quad
quad = mScene.appendNewRenderable();
quad.setMesh(mSimpleMesh);
// Make a transform to position the quad
CompoundTransform t = mScene.appendNewCompoundTransform();
t.addTranslate("position", new Float3(2, 2, 0));
quad.setTransform(t);
quad.appendSourceParams(new TextureParam("color", new Texture2D(R.drawable.icon)));
quad.setRenderState(texRS);
}
private void setupCamera() {
Camera camera = mScene.appendNewCamera();
camera.setFar(200);
camera.setNear(0.1f);
camera.setFOV(60);
CompoundTransform cameraTransform = mScene.appendNewCompoundTransform();
cameraTransform.addTranslate("camera", new Float3(0, 0, 10));
camera.setTransform(cameraTransform);
}
private void setupRenderPass() {
RenderPass mainPass = mScene.appendNewRenderPass();
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));
ArrayList<RenderableBase> allRender = mScene.getRenderables();
for (RenderableBase renderable : allRender) {
mainPass.appendRenderable((Renderable)renderable);
}
}
}
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