| // Copyright 2016 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_FRAME_SINK_ID_H_ |
| #define CC_SURFACES_FRAME_SINK_ID_H_ |
| |
| #include <stdint.h> |
| |
| #include <iosfwd> |
| #include <string> |
| #include <tuple> |
| |
| #include "base/hash.h" |
| |
| namespace cc { |
| |
| class FrameSinkId { |
| public: |
| constexpr FrameSinkId() : client_id_(0), sink_id_(0) {} |
| |
| constexpr FrameSinkId(const FrameSinkId& other) |
| : client_id_(other.client_id_), sink_id_(other.sink_id_) {} |
| |
| constexpr FrameSinkId(uint32_t client_id, uint32_t sink_id) |
| : client_id_(client_id), sink_id_(sink_id) {} |
| |
| constexpr bool is_valid() const { return client_id_ != 0 || sink_id_ != 0; } |
| |
| constexpr uint32_t client_id() const { return client_id_; } |
| |
| constexpr uint32_t sink_id() const { return sink_id_; } |
| |
| bool operator==(const FrameSinkId& other) const { |
| return client_id_ == other.client_id_ && sink_id_ == other.sink_id_; |
| } |
| |
| bool operator!=(const FrameSinkId& other) const { return !(*this == other); } |
| |
| bool operator<(const FrameSinkId& other) const { |
| return std::tie(client_id_, sink_id_) < |
| std::tie(other.client_id_, other.sink_id_); |
| } |
| |
| size_t hash() const { return base::HashInts(client_id_, sink_id_); } |
| |
| std::string ToString() const; |
| |
| private: |
| uint32_t client_id_; |
| uint32_t sink_id_; |
| }; |
| |
| std::ostream& operator<<(std::ostream& out, const FrameSinkId& frame_sink_id); |
| |
| struct FrameSinkIdHash { |
| size_t operator()(const FrameSinkId& key) const { return key.hash(); } |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_SURFACES_FRAME_SINK_ID_H_ |