michael/lwjgl
michael
/
lwjgl
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

AWTGLCanvas: Synchronize paintGL() to avoid destroyContext while painting

This commit is contained in:
Elias Naur 2006-11-07 15:14:31 +00:00
parent 8164a4a00a
commit 9f3de4fd81
1 changed files with 32 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
src/java/org/lwjgl/opengl/AWTGLCanvas.java
View File

@ -283,43 +283,45 @@ public class AWTGLCanvas extends Canvas implements Drawable, ComponentListener,
* be overridden to do GL operations. * be overridden to do GL operations.
*/ */
public final void paint(Graphics g) { public final void paint(Graphics g) {
try { synchronized (SYNC_LOCK) {
if (peer_info == null) {
this.peer_info = implementation.createPeerInfo(this, pixel_format);
}
peer_info.lockAndGetHandle();
try { try {
if (context == null) { if (peer_info == null) {
this.context = new Context(peer_info, drawable != null ? drawable.getContext() : null); this.peer_info = implementation.createPeerInfo(this, pixel_format);
first_run = true;
} }
peer_info.lockAndGetHandle();
if (reentry_count == 0)
context.makeCurrent();
reentry_count++;
try { try {
if (update_context) { if (context == null) {
context.update(); this.context = new Context(peer_info, drawable != null ? drawable.getContext() : null);
update_context = false; first_run = true;
} }
AWTCanvasInputImplementation current_input = awt_input;
if (current_input != null)
current_input.processInput(peer_info);
if (first_run) {
first_run = false;
initGL();
}
paintGL();
} finally {
reentry_count--;
if (reentry_count == 0) if (reentry_count == 0)
Context.releaseCurrentContext(); context.makeCurrent();
reentry_count++;
try {
if (update_context) {
context.update();
update_context = false;
}
AWTCanvasInputImplementation current_input = awt_input;
if (current_input != null)
current_input.processInput(peer_info);
if (first_run) {
first_run = false;
initGL();
}
paintGL();
} finally {
reentry_count--;
if (reentry_count == 0)
Context.releaseCurrentContext();
}
} finally {
peer_info.unlock();
} }
} finally { } catch (LWJGLException e) {
peer_info.unlock(); throw new RuntimeException(e);
} }
} catch (LWJGLException e) {
throw new RuntimeException(e);
} }
} }