bool task_acquire_tile(Device *device, RenderTile& tile)
{
thread_scoped_lock acquire_lock(acquire_mutex);
bool result = false;
RPCSend snd(socket, &error_func, "acquire_tile");
snd.write();
do {
if(blocked_waiting)
listen_step();
/* todo: avoid busy wait loop */
thread_scoped_lock lock(rpc_lock);
if(!acquire_queue.empty()) {
AcquireEntry entry = acquire_queue.front();
acquire_queue.pop_front();
if(entry.name == "acquire_tile") {
tile = entry.tile;
if(tile.buffer) tile.buffer = ptr_map[tile.buffer];
if(tile.rng_state) tile.rng_state = ptr_map[tile.rng_state];
result = true;
break;
}
else if(entry.name == "acquire_tile_none") {
break;
}
else {
cout << "Error: unexpected acquire RPC receive call \"" + entry.name + "\"\n";
}
}
} while(acquire_queue.empty() && !stop && !have_error());
return result;
}
const char * BWKV::value ( const char * key ) {
get_query_value("SELECT value FROM kv WHERE key = ?", std::vector<BWString>({BWString(key)}));
if(have_error()) return nullptr;
else return _get_value();
}
