content/common/generic_shared_memory_id_generator.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/common/generic_shared_memory_id_generator.h"
   6
   7 #include "base/atomic_sequence_num.h"
   8
   9 namespace content {
  10 namespace {
  11
  12 // Global atomic to generate gpu memory buffer unique IDs.
  13 base::StaticAtomicSequenceNumber g_next_generic_shared_memory_id;
  14
  15 }  // namespace
  16
  17 gfx::GenericSharedMemoryId GetNextGenericSharedMemoryId() {
  18   return gfx::GenericSharedMemoryId(g_next_generic_shared_memory_id.GetNext());
  19 }
  20
  21 }  // namespace content