1/* 2 * Copyright (C) 2012 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 17package android.support.v8.renderscript; 18 19import android.content.Context; 20import android.content.res.Resources; 21import android.util.Log; 22 23import java.io.File; 24import java.io.IOException; 25import java.io.InputStream; 26import java.util.Map.Entry; 27import java.util.HashMap; 28 29import java.lang.reflect.Field; 30import java.lang.reflect.Modifier; 31 32/** 33 * The superclass for all user-defined scripts. This is only 34 * intended to be used by the generated derived classes. 35 **/ 36public class ScriptC extends Script { 37 private static final String TAG = "ScriptC"; 38 39 /** 40 * Only intended for use by the generated derived classes. 41 * 42 * @param id 43 * @param rs 44 */ 45 protected ScriptC(int id, RenderScript rs) { 46 super(id, rs); 47 } 48 49 /** 50 * Only intended for use by the generated derived classes. 51 * 52 * 53 * @param rs 54 * @param resources 55 * @param resourceID 56 */ 57 protected ScriptC(RenderScript rs, Resources resources, int resourceID) { 58 super(0, rs); 59 60 if (rs.isNative) { 61 RenderScriptThunker rst = (RenderScriptThunker)rs; 62 ScriptCThunker s = new ScriptCThunker(rst, resources, resourceID); 63 mT = s; 64 return; 65 } 66 67 int id = internalCreate(rs, resources, resourceID); 68 if (id == 0) { 69 throw new RSRuntimeException("Loading of ScriptC script failed."); 70 } 71 setID(id); 72 } 73 74 75 private static synchronized int internalCreate(RenderScript rs, Resources resources, int resourceID) { 76 byte[] pgm; 77 int pgmLength; 78 InputStream is = resources.openRawResource(resourceID); 79 try { 80 try { 81 pgm = new byte[1024]; 82 pgmLength = 0; 83 while(true) { 84 int bytesLeft = pgm.length - pgmLength; 85 if (bytesLeft == 0) { 86 byte[] buf2 = new byte[pgm.length * 2]; 87 System.arraycopy(pgm, 0, buf2, 0, pgm.length); 88 pgm = buf2; 89 bytesLeft = pgm.length - pgmLength; 90 } 91 int bytesRead = is.read(pgm, pgmLength, bytesLeft); 92 if (bytesRead <= 0) { 93 break; 94 } 95 pgmLength += bytesRead; 96 } 97 } finally { 98 is.close(); 99 } 100 } catch(IOException e) { 101 throw new Resources.NotFoundException(); 102 } 103 104 String resName = resources.getResourceEntryName(resourceID); 105 String cachePath = rs.getApplicationContext().getCacheDir().toString(); 106 107 // Log.v(TAG, "Create script for resource = " + resName + ", " + pgmLength + ", " + pgm); 108 //Log.v(TAG, " path = " + cachePath); 109 return rs.nScriptCCreate(resName, cachePath, pgm, pgmLength); 110 } 111} 112