IABSD.fr/xenocara/lib/mesa/src/tool/pps/pps_device.h

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• Author : jsg
  Date : 2023-11-02 04:31:01
  Hash : 60059fee
  Message : Import Mesa 23.1.9

• lib/mesa/src/tool/pps/pps_device.h

• /*
   * Copyright © 2020 Collabora, Ltd.
   * Author: Antonio Caggiano <antonio.caggiano@collabora.com>
   * Author: Rohan Garg <rohan.garg@collabora.com>
   * Author: Robert Beckett <bob.beckett@collabora.com>
   *
   * SPDX-License-Identifier: MIT
   */
  
  #pragma once
  
  #include <cstdint>
  #include <optional>
  #include <string>
  #include <vector>
  
  namespace pps
  {
  /// @brief Helper class for a DRM device
  class DrmDevice
  {
     public:
     /// @return The number of DRM devices available in the system
     static uint32_t device_count();
  
     /// @return All DRM devices available in the system
     static std::vector<DrmDevice> create_all();
  
     /// @return A DRM device selected by its number in the system, nullopt otherwise
     static std::optional<DrmDevice> create(int32_t gpu_num);
  
     /// @brief Prefer calling create instead of default constructor
     DrmDevice() = default;
  
     // Allow move
     DrmDevice(DrmDevice &&);
     DrmDevice &operator=(DrmDevice &&);
  
     // Forbid copy
     DrmDevice(const DrmDevice &) = delete;
     DrmDevice &operator=(const DrmDevice &) = delete;
  
     ~DrmDevice();
  
     /// @return Whether a device has a valid name
     operator bool() const;
  
     /// File descriptor of the device opened in read/write mode
     int fd = -1;
     int32_t gpu_num = -1;
     std::string name = "";
  };
  
  } // namespace pps