xbmc/utils/UDMABufferObject.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 "utils/BufferObject.h"
  12
  13 #include <memory>
  14 #include <stdint.h>
  15
  16 class CUDMABufferObject : public CBufferObject
  17 {
  18 public:
  19   CUDMABufferObject() = default;
  20   virtual ~CUDMABufferObject() override;
  21
  22   // Registration
  23   static std::unique_ptr<CBufferObject> Create();
  24   static void Register();
  25
  26   // IBufferObject overrides via CBufferObject
  27   bool CreateBufferObject(uint32_t format, uint32_t width, uint32_t height) override;
  28   bool CreateBufferObject(uint64_t size) override;
  29   void DestroyBufferObject() override;
  30   uint8_t* GetMemory() override;
  31   void ReleaseMemory() override;
  32   std::string GetName() const override { return "CUDMABufferObject"; }
  33
  34 private:
  35   int m_memfd{-1};
  36   int m_udmafd{-1};
  37   uint64_t m_size{0};
  38   uint8_t* m_map{nullptr};
  39 };