blob: 2e55c48e6e1860aa0b440bb76f5e6e88b78ec32c (
plain)
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/*
* 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.util.Log;
/**
* BaseObj is the base class for interfacing with native renderscript objects.
* It primarly contains code for tracking the native object ID and forcably
* disconecting the object from the native allocation for early cleanup.
*
**/
public class BaseObj {
BaseObj(int id, RenderScript rs) {
rs.validate();
mRS = rs;
mID = id;
mDestroyed = false;
}
void setID(int id) {
if (mID != 0) {
throw new RSRuntimeException("Internal Error, reset of object ID.");
}
mID = id;
}
/**
* Lookup the native object ID for this object. Primarily used by the
* generated reflected code.
*
*
* @return int
*/
int getID() {
if (mDestroyed) {
throw new RSInvalidStateException("using a destroyed object.");
}
if (mID == 0) {
throw new RSRuntimeException("Internal error: Object id 0.");
}
return mID;
}
void checkValid() {
if (mID == 0) {
throw new RSIllegalArgumentException("Invalid object.");
}
}
private int mID;
private boolean mDestroyed;
private String mName;
RenderScript mRS;
/**
* setName assigns a name to an object. This object can later be looked up
* by this name. This name will also be retained if the object is written
* to an A3D file.
*
* @param name The name to assign to the object.
*/
public void setName(String name) {
if (name == null) {
throw new RSIllegalArgumentException(
"setName requires a string of non-zero length.");
}
if(name.length() < 1) {
throw new RSIllegalArgumentException(
"setName does not accept a zero length string.");
}
if(mName != null) {
throw new RSIllegalArgumentException(
"setName object already has a name.");
}
try {
byte[] bytes = name.getBytes("UTF-8");
mRS.nAssignName(mID, bytes);
mName = name;
} catch (java.io.UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
/**
* @return name of the renderscript object
*/
public String getName() {
return mName;
}
protected void finalize() throws Throwable {
if (!mDestroyed) {
if(mID != 0 && mRS.isAlive()) {
mRS.nObjDestroy(mID);
}
mRS = null;
mID = 0;
mDestroyed = true;
//Log.v(RenderScript.LOG_TAG, getClass() +
// " auto finalizing object without having released the RS reference.");
}
super.finalize();
}
/**
* destroy disconnects the object from the native object effectively
* rendering this java object dead. The primary use is to force immediate
* cleanup of resources when it is believed the GC will not respond quickly
* enough.
*/
synchronized public void destroy() {
if(mDestroyed) {
throw new RSInvalidStateException("Object already destroyed.");
}
mDestroyed = true;
mRS.nObjDestroy(mID);
}
/**
* If an object came from an a3d file, java fields need to be
* created with objects from the native layer
*/
void updateFromNative() {
mRS.validate();
mName = mRS.nGetName(getID());
}
/**
* Calculates the hash code value for a BaseObj.
*
* @return int
*/
@Override
public int hashCode() {
return mID;
}
/**
* Compare the current BaseObj with another BaseObj for equality.
*
* @param obj The object to check equality with.
*
* @return boolean
*/
@Override
public boolean equals(Object obj) {
// Early-out check to see if both BaseObjs are actually the same
if (this == obj)
return true;
if (getClass() != obj.getClass()) {
return false;
}
BaseObj b = (BaseObj) obj;
return mID == b.mID;
}
}
|
