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      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 
     21 import com.android.scenegraph.SceneManager;
     22 
     23 import android.content.res.Resources;
     24 import android.renderscript.*;
     25 import android.util.Log;
     26 
     27 /**
     28  * @hide
     29  */
     30 public class Texture2D extends TextureBase {
     31     String mFileName;
     32     String mFileDir;
     33     int mResourceID;
     34 
     35     public Texture2D() {
     36         super(ScriptC_export.const_TextureType_TEXTURE_2D);
     37     }
     38 
     39     public Texture2D(Allocation tex) {
     40         super(ScriptC_export.const_TextureType_TEXTURE_2D);
     41         setTexture(tex);
     42     }
     43 
     44     public Texture2D(String dir, String file) {
     45         super(ScriptC_export.const_TextureType_TEXTURE_CUBE);
     46         setFileDir(dir);
     47         setFileName(file);
     48     }
     49 
     50     public Texture2D(int resourceID) {
     51         super(ScriptC_export.const_TextureType_TEXTURE_2D);
     52         mResourceID = resourceID;
     53     }
     54 
     55     public void setFileDir(String dir) {
     56         mFileDir = dir;
     57     }
     58 
     59     public void setFileName(String file) {
     60         mFileName = file;
     61     }
     62 
     63     public String getFileName() {
     64         return mFileName;
     65     }
     66 
     67     public void setTexture(Allocation tex) {
     68         mData.texture = tex != null ? tex : SceneManager.getDefaultTex2D();
     69         if (mField != null) {
     70             mField.set_texture(0, mData.texture, true);
     71         }
     72     }
     73 
     74     void load() {
     75         RenderScriptGL rs = SceneManager.getRS();
     76         Resources res = SceneManager.getRes();
     77         if (mFileName != null && mFileName.length() > 0) {
     78             String shortName = mFileName.substring(mFileName.lastIndexOf('/') + 1);
     79             setTexture(SceneManager.loadTexture2D(mFileDir + shortName, rs, res));
     80         } else if (mResourceID != 0) {
     81             setTexture(SceneManager.loadTexture2D(mResourceID, rs, res));
     82         }
     83     }
     84 
     85     ScriptField_Texture_s getRsData(boolean loadNow) {
     86         if (mField != null) {
     87             return mField;
     88         }
     89 
     90         RenderScriptGL rs = SceneManager.getRS();
     91         Resources res = SceneManager.getRes();
     92         if (rs == null || res == null) {
     93             return null;
     94         }
     95 
     96         mField = new ScriptField_Texture_s(rs, 1);
     97 
     98         if (loadNow) {
     99             load();
    100         } else {
    101             mData.texture = SceneManager.getDefaultTex2D();
    102             new SingleImageLoaderTask().execute(this);
    103         }
    104 
    105         mField.set(mData, 0, true);
    106         return mField;
    107     }
    108 }
    109 
    110 
    111 
    112 
    113 
    114