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/*
* Copyright (C) 2008 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 android.renderscript;
import android.content.Context;
import android.content.res.Resources;
import android.util.Log;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map.Entry;
import java.util.HashMap;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
/**
*
**/
public class ScriptC extends Script {
private static final String TAG = "ScriptC";
protected ScriptC(int id, RenderScript rs) {
super(id, rs);
}
protected ScriptC(RenderScript rs, Resources resources, int resourceID) {
super(0, rs);
int id = internalCreate(rs, resources, resourceID);
setID(id);
}
private static synchronized int internalCreate(RenderScript rs, Resources resources, int resourceID) {
byte[] pgm;
int pgmLength;
InputStream is = resources.openRawResource(resourceID);
try {
try {
pgm = new byte[1024];
pgmLength = 0;
while(true) {
int bytesLeft = pgm.length - pgmLength;
if (bytesLeft == 0) {
byte[] buf2 = new byte[pgm.length * 2];
System.arraycopy(pgm, 0, buf2, 0, pgm.length);
pgm = buf2;
bytesLeft = pgm.length - pgmLength;
}
int bytesRead = is.read(pgm, pgmLength, bytesLeft);
if (bytesRead <= 0) {
break;
}
pgmLength += bytesRead;
}
} finally {
is.close();
}
} catch(IOException e) {
throw new Resources.NotFoundException();
}
rs.nScriptCBegin();
rs.nScriptCSetScript(pgm, 0, pgmLength);
// E.g, /system/apps/Fountain.apk
String packageName = rs.getApplicationContext().getPackageResourcePath();
// For res/raw/fountain.bc, it wil be /com.android.fountain:raw/fountain
String resName = resources.getResourceName(resourceID);
String cacheDir = rs.getApplicationContext().getCacheDir().toString();
Log.v(TAG, "Create script for resource = " + resName);
return rs.nScriptCCreate(packageName, resName, cacheDir);
}
}
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