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// Copyright 2010 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/id_manager.h"
#include "base/check.h"
namespace gpu {
namespace gles2 {
IdManager::IdManager() = default;
IdManager::~IdManager() = default;
bool IdManager::AddMapping(GLuint client_id, GLuint service_id) {
std::pair<MapType::iterator, bool> result = id_map_.insert(
std::make_pair(client_id, service_id));
return result.second;
}
bool IdManager::RemoveMapping(GLuint client_id, GLuint service_id) {
MapType::iterator iter = id_map_.find(client_id);
if (iter != id_map_.end() && iter->second == service_id) {
id_map_.erase(iter);
return true;
}
return false;
}
bool IdManager::GetServiceId(GLuint client_id, GLuint* service_id) {
DCHECK(service_id);
MapType::iterator iter = id_map_.find(client_id);
if (iter != id_map_.end()) {
*service_id = iter->second;
return true;
}
return false;
}
bool IdManager::GetClientId(GLuint service_id, GLuint* client_id) {
DCHECK(client_id);
MapType::iterator end(id_map_.end());
for (MapType::iterator iter(id_map_.begin());
iter != end;
++iter) {
if (iter->second == service_id) {
*client_id = iter->first;
return true;
}
}
return false;
}
} // namespace gles2
} // namespace gpu
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