id_manager.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "gpu/command_buffer/service/id_manager.h"
6#include "base/logging.h"
7
8namespace gpu {
9namespace gles2 {
10
11IdManager::IdManager() {}
12
13IdManager::~IdManager() {}
14
15bool IdManager::AddMapping(GLuint client_id, GLuint service_id) {
16  std::pair<MapType::iterator, bool> result = id_map_.insert(
17      std::make_pair(client_id, service_id));
18  return result.second;
19}
20
21bool IdManager::RemoveMapping(GLuint client_id, GLuint service_id) {
22  MapType::iterator iter = id_map_.find(client_id);
23  if (iter != id_map_.end() && iter->second == service_id) {
24    id_map_.erase(iter);
25    return true;
26  }
27  return false;
28}
29
30bool IdManager::GetServiceId(GLuint client_id, GLuint* service_id) {
31  DCHECK(service_id);
32  MapType::iterator iter = id_map_.find(client_id);
33  if (iter != id_map_.end()) {
34    *service_id = iter->second;
35    return true;
36  }
37  return false;
38}
39
40bool IdManager::GetClientId(GLuint service_id, GLuint* client_id) {
41  DCHECK(client_id);
42  MapType::iterator end(id_map_.end());
43  for (MapType::iterator iter(id_map_.begin());
44       iter != end;
45       ++iter) {
46    if (iter->second == service_id) {
47      *client_id = iter->first;
48      return true;
49    }
50  }
51  return false;
52}
53
54}  // namespace gles2
55}  // namespace gpu
56
57
58