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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* 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.res.Resources;
import android.util.Log;
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;
/**
* @hide
**/
public class ScriptC extends Script {
private static final String TAG = "ScriptC";
ScriptC(int id, RenderScript rs) {
super(id, rs);
}
protected ScriptC(RenderScript rs, Resources resources, int resourceID, boolean isRoot) {
super(0, rs);
mID = internalCreate(rs, resources, resourceID, isRoot);
}
private static synchronized int internalCreate(RenderScript rs, Resources resources, int resourceID, boolean isRoot) {
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);
rs.nScriptSetRoot(isRoot);
return rs.nScriptCCreate();
}
public static class Builder extends Script.Builder {
byte[] mProgram;
int mProgramLength;
HashMap<String,Integer> mIntDefines = new HashMap();
HashMap<String,Float> mFloatDefines = new HashMap();
public Builder(RenderScript rs) {
super(rs);
}
public void setScript(String s) {
try {
mProgram = s.getBytes("UTF-8");
mProgramLength = mProgram.length;
} catch (java.io.UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
public void setScript(Resources resources, int id) {
InputStream is = resources.openRawResource(id);
try {
try {
setScript(is);
} finally {
is.close();
}
} catch(IOException e) {
throw new Resources.NotFoundException();
}
}
public void setScript(InputStream is) throws IOException {
byte[] buf = new byte[1024];
int currentPos = 0;
while(true) {
int bytesLeft = buf.length - currentPos;
if (bytesLeft == 0) {
byte[] buf2 = new byte[buf.length * 2];
System.arraycopy(buf, 0, buf2, 0, buf.length);
buf = buf2;
bytesLeft = buf.length - currentPos;
}
int bytesRead = is.read(buf, currentPos, bytesLeft);
if (bytesRead <= 0) {
break;
}
currentPos += bytesRead;
}
mProgram = buf;
mProgramLength = currentPos;
}
static synchronized ScriptC internalCreate(Builder b) {
b.mRS.nScriptCBegin();
b.transferCreate();
for (Entry<String,Integer> e: b.mIntDefines.entrySet()) {
b.mRS.nScriptCAddDefineI32(e.getKey(), e.getValue().intValue());
}
for (Entry<String,Float> e: b.mFloatDefines.entrySet()) {
b.mRS.nScriptCAddDefineF(e.getKey(), e.getValue().floatValue());
}
b.mRS.nScriptCSetScript(b.mProgram, 0, b.mProgramLength);
int id = b.mRS.nScriptCCreate();
ScriptC obj = new ScriptC(id, b.mRS);
b.transferObject(obj);
return obj;
}
public void addDefine(String name, int value) {
mIntDefines.put(name, value);
}
public void addDefine(String name, float value) {
mFloatDefines.put(name, value);
}
/**
* Takes the all public static final fields for a class, and adds defines
* for them, using the name of the field as the name of the define.
*/
public void addDefines(Class cl) {
addDefines(cl.getFields(), (Modifier.STATIC | Modifier.FINAL | Modifier.PUBLIC), null);
}
/**
* Takes the all public fields for an object, and adds defines
* for them, using the name of the field as the name of the define.
*/
public void addDefines(Object o) {
addDefines(o.getClass().getFields(), Modifier.PUBLIC, o);
}
void addDefines(Field[] fields, int mask, Object o) {
for (Field f: fields) {
try {
if ((f.getModifiers() & mask) == mask) {
Class t = f.getType();
if (t == int.class) {
mIntDefines.put(f.getName(), f.getInt(o));
}
else if (t == float.class) {
mFloatDefines.put(f.getName(), f.getFloat(o));
}
}
} catch (IllegalAccessException ex) {
// TODO: Do we want this log?
Log.d(TAG, "addDefines skipping field " + f.getName());
}
}
}
public ScriptC create() {
return internalCreate(this);
}
}
}
|
