static void swapBuffers(
D3DSurfaceData sd, final int x1, final int y1, final int x2, final int y2) {
long pData = sd.getNativeOps();
D3DRenderQueue rq = D3DRenderQueue.getInstance();
// swapBuffers can be called from the toolkit thread by swing, we
// should detect this and prevent the deadlocks
if (rq.isRenderQueueThread()) {
if (!rq.tryLock()) {
// if we could not obtain the lock, repaint the area
// that was supposed to be swapped, and no-op this swap
final Component target = (Component) sd.getPeer().getTarget();
SunToolkit.executeOnEventHandlerThread(
target,
new Runnable() {
public void run() {
target.repaint(x1, y1, x2, y2);
}
});
return;
}
} else {
rq.lock();
}
try {
RenderBuffer buf = rq.getBuffer();
rq.ensureCapacityAndAlignment(28, 4);
buf.putInt(SWAP_BUFFERS);
buf.putLong(pData);
buf.putInt(x1);
buf.putInt(y1);
buf.putInt(x2);
buf.putInt(y2);
rq.flushNow();
} finally {
rq.unlock();
}
}
