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
203
204
205
206
207
208
209
210
211
212
213
214
|
/*
* Copyright (c) 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package com.sun.gluegen.opengl;
import java.io.*;
import java.util.*;
import com.sun.gluegen.*;
import com.sun.gluegen.procaddress.*;
public class GLConfiguration extends ProcAddressConfiguration {
// The following data members support ignoring an entire extension at a time
private List/*<String>*/ glHeaders = new ArrayList();
private Set/*<String>*/ ignoredExtensions = new HashSet();
private BuildStaticGLInfo glInfo;
// Maps function names to the kind of buffer object it deals with
private Map/*<String,GLEmitter.BufferObjectKind>*/ bufferObjectKinds = new HashMap();
private GLEmitter emitter;
public GLConfiguration(GLEmitter emitter) {
super();
this.emitter = emitter;
try {
setProcAddressNameExpr("PFN $UPPERCASE({0}) PROC");
} catch (NoSuchElementException e) {
throw new RuntimeException("Error configuring ProcAddressNameExpr", e);
}
}
protected void dispatch(String cmd, StringTokenizer tok, File file, String filename, int lineNo) throws IOException {
if (cmd.equalsIgnoreCase("IgnoreExtension"))
{
String sym = readString("IgnoreExtension", tok, filename, lineNo);
ignoredExtensions.add(sym);
}
else if (cmd.equalsIgnoreCase("GLHeader"))
{
String sym = readString("GLHeader", tok, filename, lineNo);
glHeaders.add(sym);
}
else if (cmd.equalsIgnoreCase("BufferObjectKind"))
{
readBufferObjectKind(tok, filename, lineNo);
}
else
{
super.dispatch(cmd,tok,file,filename,lineNo);
}
}
protected void readBufferObjectKind(StringTokenizer tok, String filename, int lineNo) {
try {
String kindString = tok.nextToken();
GLEmitter.BufferObjectKind kind = null;
String target = tok.nextToken();
if (kindString.equalsIgnoreCase("UnpackPixel")) {
kind = GLEmitter.BufferObjectKind.UNPACK_PIXEL;
} else if (kindString.equalsIgnoreCase("PackPixel")) {
kind = GLEmitter.BufferObjectKind.PACK_PIXEL;
} else if (kindString.equalsIgnoreCase("Array")) {
kind = GLEmitter.BufferObjectKind.ARRAY;
} else if (kindString.equalsIgnoreCase("Element")) {
kind = GLEmitter.BufferObjectKind.ELEMENT;
} else {
throw new RuntimeException("Error parsing \"BufferObjectKind\" command at line " + lineNo +
" in file \"" + filename + "\": illegal BufferObjectKind \"" +
kindString + "\", expected one of UnpackPixel, PackPixel, Array, or Element");
}
bufferObjectKinds.put(target, kind);
} catch (NoSuchElementException e) {
throw new RuntimeException("Error parsing \"BufferObjectKind\" command at line " + lineNo +
" in file \"" + filename + "\"", e);
}
}
/** Overrides javaPrologueForMethod in superclass and
automatically generates prologue code for functions associated
with buffer objects. */
public List/*<String>*/ javaPrologueForMethod(MethodBinding binding,
boolean forImplementingMethodCall,
boolean eraseBufferAndArrayTypes) {
List/*<String>*/ res = super.javaPrologueForMethod(binding,
forImplementingMethodCall,
eraseBufferAndArrayTypes);
GLEmitter.BufferObjectKind kind = getBufferObjectKind(binding.getName());
if (kind != null) {
// Need to generate appropriate prologue based on both buffer
// object kind and whether this variant of the MethodBinding
// is the one accepting a "long" as argument
//
// NOTE we MUST NOT mutate the array returned from the super
// call!
ArrayList res2 = new ArrayList();
if (res != null) {
res2.addAll(res);
}
res = res2;
String prologue = "check";
if (kind == GLEmitter.BufferObjectKind.UNPACK_PIXEL) {
prologue = prologue + "UnpackPBO";
} else if (kind == GLEmitter.BufferObjectKind.PACK_PIXEL) {
prologue = prologue + "PackPBO";
} else if (kind == GLEmitter.BufferObjectKind.ARRAY) {
prologue = prologue + "ArrayVBO";
} else if (kind == GLEmitter.BufferObjectKind.ELEMENT) {
prologue = prologue + "ElementVBO";
} else {
throw new RuntimeException("Unknown BufferObjectKind " + kind);
}
if (emitter.isBufferObjectMethodBinding(binding)) {
prologue = prologue + "Enabled";
} else {
prologue = prologue + "Disabled";
}
prologue = prologue + "();";
res.add(0, prologue);
// Must also filter out bogus rangeCheck directives for VBO/PBO
// variants
if (emitter.isBufferObjectMethodBinding(binding)) {
for (Iterator iter = res.iterator(); iter.hasNext(); ) {
String line = (String) iter.next();
if (line.indexOf("BufferFactory.rangeCheck") >= 0) {
iter.remove();
}
}
}
}
return res;
}
public boolean shouldIgnore(String symbol) {
// Check ignored extensions based on our knowledge of the static GL info
if (glInfo != null) {
String extension = glInfo.getExtension(symbol);
if (extension != null &&
ignoredExtensions.contains(extension)) {
return true;
}
}
return super.shouldIgnore(symbol);
}
/** Returns the kind of buffer object this function deals with, or
null if none. */
public GLEmitter.BufferObjectKind getBufferObjectKind(String name) {
return (GLEmitter.BufferObjectKind) bufferObjectKinds.get(name);
}
public boolean isBufferObjectFunction(String name) {
return (getBufferObjectKind(name) != null);
}
/** Parses any GL headers specified in the configuration file for
the purpose of being able to ignore an extension at a time. */
public void parseGLHeaders(GlueEmitterControls controls) throws IOException {
if (!glHeaders.isEmpty()) {
glInfo = new BuildStaticGLInfo();
for (Iterator iter = glHeaders.iterator(); iter.hasNext(); ) {
String file = (String) iter.next();
String fullPath = controls.findHeaderFile(file);
if (fullPath == null) {
throw new IOException("Unable to locate header file \"" + file + "\"");
}
glInfo.parse(fullPath);
}
}
}
}
|
