diff options
Diffstat (limited to 'chromium/cc/surfaces/surface_manager.cc')
-rw-r--r-- | chromium/cc/surfaces/surface_manager.cc | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/chromium/cc/surfaces/surface_manager.cc b/chromium/cc/surfaces/surface_manager.cc new file mode 100644 index 00000000000..b41aefc424a --- /dev/null +++ b/chromium/cc/surfaces/surface_manager.cc @@ -0,0 +1,37 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "cc/surfaces/surface_manager.h" + +#include "base/logging.h" + +namespace cc { + +SurfaceManager::SurfaceManager() + : next_surface_id_(1) { +} + +SurfaceManager::~SurfaceManager() {} + +SurfaceId SurfaceManager::RegisterAndAllocateIdForSurface(Surface* surface) { + DCHECK(surface); + int surface_id = next_surface_id_++; + surface_map_[surface_id] = surface; + return SurfaceId(surface_id); +} + +void SurfaceManager::DeregisterSurface(SurfaceId surface_id) { + SurfaceMap::iterator it = surface_map_.find(surface_id.id); + DCHECK(it != surface_map_.end()); + surface_map_.erase(it); +} + +Surface* SurfaceManager::GetSurfaceForId(SurfaceId surface_id) { + SurfaceMap::iterator it = surface_map_.find(surface_id.id); + if (it == surface_map_.end()) + return NULL; + return it->second; +} + +} // namespace cc |