Home | History | Annotate | Download | only in scenegraph 
      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.scenegraph;
     18 
     19 import java.lang.Math;
     20 import java.util.ArrayList;
     21 
     22 import com.android.scenegraph.SceneManager;
     23 
     24 import android.renderscript.*;
     25 import android.renderscript.Matrix4f;
     26 import android.renderscript.RenderScriptGL;
     27 import android.util.Log;
     28 
     29 /**
     30  * @hide
     31  */
     32 public class Camera extends SceneGraphBase {
     33 
     34     Transform mTransform;
     35 
     36     ScriptField_Camera_s.Item mData;
     37     ScriptField_Camera_s mField;
     38 
     39     public Camera() {
     40         mData = new ScriptField_Camera_s.Item();
     41         mData.near = 0.1f;
     42         mData.far = 1000.0f;
     43         mData.horizontalFOV = 60.0f;
     44         mData.aspect = 0;
     45     }
     46 
     47     public void setTransform(Transform t) {
     48         mTransform = t;
     49         if (mField != null) {
     50             mField.set_transformMatrix(0, mTransform.getRSData().getAllocation(), true);
     51             mField.set_isDirty(0, 1, true);
     52         }
     53     }
     54     public void setFOV(float fov) {
     55         mData.horizontalFOV = fov;
     56         if (mField != null) {
     57             mField.set_horizontalFOV(0, fov, true);
     58             mField.set_isDirty(0, 1, true);
     59         }
     60     }
     61 
     62     public void setNear(float n) {
     63         mData.near = n;
     64         if (mField != null) {
     65             mField.set_near(0, n, true);
     66             mField.set_isDirty(0, 1, true);
     67         }
     68     }
     69 
     70     public void setFar(float f) {
     71         mData.far = f;
     72         if (mField != null) {
     73             mField.set_far(0, f, true);
     74             mField.set_isDirty(0, 1, true);
     75         }
     76     }
     77 
     78     public void setName(String n) {
     79         super.setName(n);
     80         if (mField != null) {
     81             RenderScriptGL rs = SceneManager.getRS();
     82             mData.name = getNameAlloc(rs);
     83             mField.set_name(0, mData.name, true);
     84             mField.set_isDirty(0, 1, true);
     85         }
     86     }
     87 
     88     ScriptField_Camera_s getRSData() {
     89         if (mField != null) {
     90             return mField;
     91         }
     92 
     93         RenderScriptGL rs = SceneManager.getRS();
     94         if (rs == null) {
     95             return null;
     96         }
     97 
     98         if (mTransform == null) {
     99             throw new RuntimeException("Cameras without transforms are invalid");
    100         }
    101 
    102         mField = new ScriptField_Camera_s(rs, 1);
    103 
    104         mData.transformMatrix = mTransform.getRSData().getAllocation();
    105         mData.transformTimestamp = 1;
    106         mData.timestamp = 1;
    107         mData.isDirty = 1;
    108         mData.name = getNameAlloc(rs);
    109         mField.set(mData, 0, true);
    110 
    111         return mField;
    112     }
    113 }
    114 
    115 
    116 
    117 
    118 
    119