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static {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
try {
// Workaround so that these don't need to be in the system
// path but can be referenced from java.library.path
// (this is intended to help with Webstarted applications)
System.loadLibrary("cg");
System.loadLibrary("cgGL");
} catch (UnsatisfiedLinkError e) {
// Consider this non-fatal
}
// Load the actual Cg binding
System.loadLibrary("jogl_cg");
return null;
}
});
}
/** A convenience method which reads all available data from the InputStream and then calls cgCreateProgram. */
public static CGprogram cgCreateProgramFromStream(CGcontext ctx, int program_type, java.io.InputStream stream, int profile, java.lang.String entry, java.lang.String[] args) throws java.io.IOException {
if (stream == null) {
throw new java.io.IOException("null stream");
}
stream = new java.io.BufferedInputStream(stream);
int avail = stream.available();
byte[] data = new byte[avail];
int numRead = 0;
int pos = 0;
do {
if (pos + avail > data.length) {
byte[] newData = new byte[pos + avail];
System.arraycopy(data, 0, newData, 0, pos);
data = newData;
}
numRead = stream.read(data, pos, avail);
if (numRead >= 0) {
pos += numRead;
}
avail = stream.available();
} while (avail > 0 && numRead >= 0);
String program = new String(data, 0, pos, "US-ASCII");
return cgCreateProgram(ctx, program_type, program, profile, entry, args);
}
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