xbmc/windowing/gbm/drm/DRMObject.h

   1 /*
   2  *  Copyright (C) 2005-2020 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include <cstddef>
  12 #include <cstdint>
  13 #include <memory>
  14 #include <optional>
  15 #include <string_view>
  16 #include <vector>
  17
  18 #include <xf86drmMode.h>
  19
  20 namespace KODI
  21 {
  22 namespace WINDOWING
  23 {
  24 namespace GBM
  25 {
  26
  27 class CDRMObject
  28 {
  29 public:
  30   CDRMObject(const CDRMObject&) = delete;
  31   CDRMObject& operator=(const CDRMObject&) = delete;
  32   virtual ~CDRMObject() = default;
  33
  34   std::string GetTypeName() const;
  35   std::string GetPropertyName(uint32_t propertyId) const;
  36
  37   uint32_t GetId() const { return m_id; }
  38   uint32_t GetPropertyId(const std::string& name) const;
  39   std::optional<uint64_t> GetPropertyValue(std::string_view name, std::string_view valueName) const;
  40
  41   bool SetProperty(const std::string& name, uint64_t value);
  42   bool SupportsProperty(const std::string& name);
  43
  44 protected:
  45   explicit CDRMObject(int fd);
  46
  47   bool GetProperties(uint32_t id, uint32_t type);
  48
  49   struct DrmModeObjectPropertiesDeleter
  50   {
  51     void operator()(drmModeObjectProperties* p) { drmModeFreeObjectProperties(p); }
  52   };
  53
  54   std::unique_ptr<drmModeObjectProperties, DrmModeObjectPropertiesDeleter> m_props;
  55
  56   struct DrmModePropertyResDeleter
  57   {
  58     void operator()(drmModePropertyRes* p) { drmModeFreeProperty(p); }
  59   };
  60
  61   std::vector<std::unique_ptr<drmModePropertyRes, DrmModePropertyResDeleter>> m_propsInfo;
  62
  63   int m_fd{-1};
  64
  65 private:
  66   uint32_t m_id{0};
  67   uint32_t m_type{0};
  68 };
  69
  70 } // namespace GBM
  71 } // namespace WINDOWING
  72 } // namespace KODI