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package org.lwjgl.test.openal;
import java.nio.IntBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.openal.AL10;
import org.lwjgl.openal.OpenALException;
/**
*
* Simple test for testing the number of available sources
*
* @author Brian Matzon <brian@matzon.dk>
* @version $Revision: 2983 $
* $Id: SourceLimitTest.java 2983 2008-04-07 18:36:09Z matzon $
*/
public class SourceLimitTest extends BasicTest {
/** Sources to create */
protected int sourcesToCreate = 64;
/**
* Creates an instance of SourceLimitTest
*/
public SourceLimitTest() {
super();
}
/**
* Runs the actual test, using supplied arguments
*/
protected void execute(String[] args) {
//parse 1st arg to sourcecount
if (args.length > 0) {
try {
sourcesToCreate = Integer.parseInt(args[0]);
} catch (NumberFormatException nfe) {
System.out.println(
"Unable to parse parameter to integer. Defaulting to 64 sources.");
}
}
System.out.print("Creating " + sourcesToCreate + " in one go...");
try {
CreateAllSources();
} catch(OpenALException oale) {
oale.printStackTrace();
}
System.out.print("Creating " + sourcesToCreate + " one at a time...");
try {
CreateSourcesStep();
} catch(Exception e) {
e.printStackTrace();
}
//shutdown
alExit();
}
/**
* Tests the creation of n sources in on go
*/
protected void CreateAllSources() {
int lastError;
//make bytbuffer that can hold sourcesToCreate sources
IntBuffer sources = BufferUtils.createIntBuffer(sourcesToCreate);
//Create sourcesToCreate sources in one fell swoop
try {
sources.position(0).limit(sourcesToCreate);
AL10.alGenSources(sources);
//delete sources
sources.position(0).limit(sourcesToCreate);
AL10.alDeleteSources(sources);
System.out.println("created " + sourcesToCreate + " sources successfully!");
} catch (OpenALException oale) {
System.out.println("Unable to create " + sourcesToCreate + " sources");
}
}
/**
* Tests if n sources can be created one at a time
*/
protected void CreateSourcesStep() {
int lastError;
int sourcesCreated = 0;
//make bytbuffer that can hold sourcesToCreate sources
IntBuffer[] sources = new IntBuffer[sourcesToCreate];
//create the sources
try {
for (int i = 0; i < sourcesToCreate; i++) {
sources[i] = BufferUtils.createIntBuffer(1);
sources[i].position(0).limit(1);
AL10.alGenSources(sources[i]);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
break;
}
sourcesCreated++;
}
} catch (OpenALException oale) {
System.out.println("failed to create source: " + (sourcesCreated + 1));
}
//delete allocated sources
for (int i = 0; i < sourcesCreated; i++) {
//delete buffers and sources
sources[i].position(0).limit(1);
AL10.alDeleteSources(sources[i]);
}
if(sourcesCreated != sourcesToCreate) {
System.out.println("created " + sourcesCreated + " sources before failing");
} else {
System.out.println("created " + sourcesCreated + " sources successfully!");
}
}
/**
* main entry point
*
* @param args String array containing arguments
*/
public static void main(String[] args) {
SourceLimitTest sourceLimitTest = new SourceLimitTest();
sourceLimitTest.execute(args);
System.exit(0);
}
}