text: /*
   * Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
   *
   * SPDX-License-Identifier: BSD-2-Clause
   */
  
  #pragma once
  
  #include <AK/RefPtr.h>
  #include <AK/Try.h>
  #include <Kernel/Graphics/Console/GenericFramebufferConsole.h>
  #include <Kernel/Graphics/DisplayConnector.h>
  #include <Kernel/Graphics/VMWare/GraphicsAdapter.h>
  #include <Kernel/Locking/Spinlock.h>
  #include <Kernel/Memory/TypedMapping.h>
  
  namespace Kernel {
  
  class VMWareFramebufferConsole;
  class VMWareDisplayConnector : public DisplayConnector {
      friend class VMWareGraphicsAdapter;
      friend class VMWareFramebufferConsole;
      friend class DeviceManagement;
  
  public:
      static NonnullRefPtr<VMWareDisplayConnector> must_create(VMWareGraphicsAdapter const& parent_adapter, PhysicalAddress framebuffer_address);
  
  private:
      VMWareDisplayConnector(VMWareGraphicsAdapter const& parent_adapter, PhysicalAddress framebuffer_address);
      ErrorOr<void> create_attached_framebuffer_console();
  
      virtual bool mutable_mode_setting_capable() const override { return true; }
      virtual bool double_framebuffering_capable() const override { return false; }
      virtual ErrorOr<void> set_mode_setting(ModeSetting const&) override;
      virtual ErrorOr<void> set_safe_mode_setting() override;
      virtual ErrorOr<void> set_y_offset(size_t y) override;
      virtual ErrorOr<void> unblank() override;
  
      virtual bool partial_flush_support() const override { return true; }
      virtual bool flush_support() const override { return true; }
      // Note: Paravirtualized hardware doesn't require a defined refresh rate for modesetting.
      virtual bool refresh_rate_support() const override { return false; }
  
      virtual ErrorOr<size_t> write_to_first_surface(u64 offset, UserOrKernelBuffer const&, size_t length) override;
      virtual ErrorOr<void> flush_first_surface() override;
      virtual ErrorOr<void> flush_rectangle(size_t buffer_index, FBRect const& rect) override;
  
      virtual void enable_console() override;
      virtual void disable_console() override;
  
  private:
      u8* framebuffer_data() { return m_framebuffer_data; }
  
      const PhysicalAddress m_framebuffer_address;
      NonnullRefPtr<VMWareGraphicsAdapter> m_parent_adapter;
      RefPtr<VMWareFramebufferConsole> m_framebuffer_console;
      OwnPtr<Memory::Region> m_framebuffer_region;
      u8* m_framebuffer_data {};
  };
  }
  