1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*
* 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";
/**
* Only intended for use by the generated derived classes.
*
* @param id
* @param rs
*/
protected ScriptC(int id, RenderScript rs) {
super(id, rs);
}
/**
* Only intended for use by the generated derived classes.
*
*
* @param rs
* @param resources
* @param resourceID
*/
protected ScriptC(RenderScript rs, Resources resources, int resourceID) {
super(0, rs);
int id = internalCreate(rs, resources, resourceID);
if (id == 0) {
throw new RSRuntimeException("Loading of ScriptC script failed.");
}
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);
}
}
|
