content/browser/in_process_io_surface_manager_mac.cc

   1 // Copyright 2015 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 "content/browser/in_process_io_surface_manager_mac.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace content {
  10
  11 // static
  12 InProcessIOSurfaceManager* InProcessIOSurfaceManager::GetInstance() {
  13   return Singleton<InProcessIOSurfaceManager,
  14                    LeakySingletonTraits<InProcessIOSurfaceManager>>::get();
  15 }
  16
  17 bool InProcessIOSurfaceManager::RegisterIOSurface(int io_surface_id,
  18                                                   int client_id,
  19                                                   IOSurfaceRef io_surface) {
  20   base::AutoLock lock(lock_);
  21
  22   DCHECK(io_surfaces_.find(io_surface_id) == io_surfaces_.end());
  23   io_surfaces_.add(io_surface_id,
  24                    make_scoped_ptr(new base::mac::ScopedMachSendRight(
  25                        IOSurfaceCreateMachPort(io_surface))));
  26   return true;
  27 }
  28
  29 void InProcessIOSurfaceManager::UnregisterIOSurface(int io_surface_id,
  30                                                     int client_id) {
  31   base::AutoLock lock(lock_);
  32
  33   DCHECK(io_surfaces_.find(io_surface_id) != io_surfaces_.end());
  34   io_surfaces_.erase(io_surface_id);
  35 }
  36
  37 IOSurfaceRef InProcessIOSurfaceManager::AcquireIOSurface(int io_surface_id) {
  38   base::AutoLock lock(lock_);
  39
  40   DCHECK(io_surfaces_.find(io_surface_id) != io_surfaces_.end());
  41   return IOSurfaceLookupFromMachPort(io_surfaces_.get(io_surface_id)->get());
  42 }
  43
  44 InProcessIOSurfaceManager::InProcessIOSurfaceManager() {
  45 }
  46
  47 InProcessIOSurfaceManager::~InProcessIOSurfaceManager() {
  48 }
  49
  50 }  // namespace content