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use internal lock mechanism instead of own instance

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This commit is contained in:
Brian Matzon 2005-05-12 15:45:53 +00:00
parent a4e8f36130
commit 348d9922b4
1 changed files with 41 additions and 28 deletions
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69
src/java/org/lwjgl/opengl/AWTGLCanvas.java
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@ -57,6 +57,7 @@ import org.lwjgl.Sys;
public class AWTGLCanvas extends Canvas implements Drawable, ComponentListener, HierarchyListener {
private final static AWTCanvasImplementation implementation;
private boolean update_context;
private Object SYNC_LOCK = new Object();
static {
Sys.initialize();
@ -97,8 +98,10 @@ public class AWTGLCanvas extends Canvas implements Drawable, ComponentListener,
private Context context;
private synchronized void setUpdate() {
update_context = true;
private void setUpdate() {
synchronized(SYNC_LOCK) {
update_context = true;
}
}
/**
@ -167,51 +170,61 @@ public class AWTGLCanvas extends Canvas implements Drawable, ComponentListener,
/**
* Enable vsync
*/
public synchronized void setVSyncEnabled(boolean enabled) throws LWJGLException {
if (context == null)
throw new IllegalStateException("Canvas not yet displayable");
Context.setVSync(enabled);
public void setVSyncEnabled(boolean enabled) throws LWJGLException {
synchronized(SYNC_LOCK) {
if (context == null)
throw new IllegalStateException("Canvas not yet displayable");
Context.setVSync(enabled);
}
}
/**
* Swap the canvas' buffer
*/
public synchronized void swapBuffers() throws LWJGLException {
if (context == null)
throw new IllegalStateException("Canvas not yet displayable");
Context.swapBuffers();
public void swapBuffers() throws LWJGLException {
synchronized(SYNC_LOCK) {
if (context == null)
throw new IllegalStateException("Canvas not yet displayable");
Context.swapBuffers();
}
}
public synchronized void releaseContext() throws LWJGLException {
if (context == null)
throw new IllegalStateException("Canvas not yet displayable");
if (context.isCurrent())
Context.releaseCurrentContext();
public void releaseContext() throws LWJGLException {
synchronized(SYNC_LOCK) {
if (context == null)
throw new IllegalStateException("Canvas not yet displayable");
if (context.isCurrent())
Context.releaseCurrentContext();
}
}
/**
* Make the canvas' context current. It is highly recommended that the context
* is only made current inside the AWT thread (for example in an overridden paintGL()).
*/
public synchronized void makeCurrent() throws LWJGLException {
if (context == null)
throw new IllegalStateException("Canvas not yet displayable");
context.makeCurrent();
public void makeCurrent() throws LWJGLException {
synchronized(SYNC_LOCK) {
if (context == null)
throw new IllegalStateException("Canvas not yet displayable");
context.makeCurrent();
}
}
/**
* Destroy the OpenGL context. This happens when the component becomes undisplayable
*/
private synchronized void destroyContext() {
try {
if (context != null) {
context.forceDestroy();
context = null;
peer_info.destroy();
peer_info = null;
private void destroyContext() {
synchronized(SYNC_LOCK) {
try {
if (context != null) {
context.forceDestroy();
context = null;
peer_info.destroy();
peer_info = null;
}
} catch (LWJGLException e) {
throw new RuntimeException(e);
}
} catch (LWJGLException e) {
throw new RuntimeException(e);
}
}