blob: 1e4b1b910cda27db3a55a396ffe035b7b803e53d [file] [log] [blame]
// Copyright 2017 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.
#ifndef CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_
#define CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_
#include <stdint.h>
#include "base/macros.h"
#include "cc/surfaces/surface_id.h"
#include "cc/surfaces/surfaces_export.h"
namespace cc {
// This is a helper class for generating local surface IDs for a single
// FrameSink. This is not threadsafe, to use from multiple threads wrap this
// class in a mutex.
class CC_SURFACES_EXPORT LocalSurfaceIdAllocator {
public:
LocalSurfaceIdAllocator();
~LocalSurfaceIdAllocator();
LocalSurfaceId GenerateId();
private:
uint32_t next_id_;
DISALLOW_COPY_AND_ASSIGN(LocalSurfaceIdAllocator);
};
} // namespace cc
#endif // CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_