gpu/command_buffer/service/id_manager.cc

   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
   8 namespace gpu {
   9 namespace gles2 {
  10
  11 IdManager::IdManager() {}
  12
  13 IdManager::~IdManager() {}
  14
  15 bool 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
  21 bool 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
  30 bool 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
  40 bool 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