| /* |
| * 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.scenegraph; |
| |
| import java.lang.Math; |
| import java.util.ArrayList; |
| |
| import android.renderscript.*; |
| import android.renderscript.Matrix4f; |
| import android.util.Log; |
| |
| /** |
| * @hide |
| */ |
| public abstract class Transform extends SceneGraphBase { |
| Transform mParent; |
| ArrayList<Transform> mChildren; |
| |
| ScriptField_SgTransform mField; |
| ScriptField_SgTransform.Item mTransformData; |
| |
| public Transform() { |
| mChildren = new ArrayList<Transform>(); |
| mParent = null; |
| } |
| |
| public void appendChild(Transform t) { |
| mChildren.add(t); |
| t.mParent = this; |
| updateRSChildData(true); |
| } |
| |
| abstract void initLocalData(); |
| |
| void updateRSChildData(boolean copyData) { |
| if (mField == null) { |
| return; |
| } |
| RenderScriptGL rs = SceneManager.getRS(); |
| if (mChildren.size() != 0) { |
| Allocation childRSData = Allocation.createSized(rs, Element.ALLOCATION(rs), |
| mChildren.size()); |
| mTransformData.children = childRSData; |
| |
| Allocation[] childrenAllocs = new Allocation[mChildren.size()]; |
| for (int i = 0; i < mChildren.size(); i ++) { |
| Transform child = mChildren.get(i); |
| childrenAllocs[i] = child.getRSData().getAllocation(); |
| } |
| childRSData.copyFrom(childrenAllocs); |
| } |
| if (copyData) { |
| mField.set(mTransformData, 0, true); |
| } |
| } |
| |
| ScriptField_SgTransform getRSData() { |
| if (mField != null) { |
| return mField; |
| } |
| |
| RenderScriptGL rs = SceneManager.getRS(); |
| if (rs == null) { |
| return null; |
| } |
| mField = new ScriptField_SgTransform(rs, 1); |
| |
| mTransformData = new ScriptField_SgTransform.Item(); |
| mTransformData.name = getNameAlloc(rs); |
| mTransformData.isDirty = 1; |
| mTransformData.timestamp = 1; |
| |
| initLocalData(); |
| updateRSChildData(false); |
| |
| mField.set(mTransformData, 0, true); |
| return mField; |
| } |
| } |
| |
| |
| |
| |
| |