public synchronized void addTexture(TiledTexture t) {
if (t.isReady()) return;
mTextures.addLast(t);
if (mIsQueued) return;
mIsQueued = true;
mGlRoot.addOnGLIdleListener(this);
}
@Override
public boolean onGLIdle(GLCanvas canvas, boolean renderRequested) {
ArrayDeque<TiledTexture> deque = mTextures;
synchronized (this) {
long now = SystemClock.uptimeMillis();
long dueTime = now + UPLOAD_TILE_LIMIT;
while (now < dueTime && !deque.isEmpty()) {
TiledTexture t = deque.peekFirst();
if (t.uploadNextTile(canvas)) {
deque.removeFirst();
mGlRoot.requestRender();
}
now = SystemClock.uptimeMillis();
}
mIsQueued = !mTextures.isEmpty();
// return true to keep this listener in the queue
return mIsQueued;
}
}
