派生クラスを基底クラスにアップキャストできない原因が知りたい。

提示コードですがActorクラスを継承したGameクラスをcamera->View()関数でActorクラスにアップキャストしたいのですが下記のエラーになりますこれはなぜでしょうか？

Console

shigurechan@shigurechan-System-Product-Name:~/prg/TopDownGame$ make
g++ -g -c -MMD -MP source/Entry.cpp -o object/Entry.o
source/Entry.cpp: In member function ‘void Entry::Renderer()’:
source/Entry.cpp:19:18: error: cannot convert ‘shared_ptr<Game>’ to ‘shared_ptr<FrameWork::Actor>’
   19 |     camera->View(game);
      |                  ^~~~
      |                  |
      |                  shared_ptr<Game>
In file included from source/../header/../FrameWork/FrameWork/FrameWork.hpp:15,
                 from source/../header/Entry.hpp:4,
                 from source/Entry.cpp:1:
source/../header/../FrameWork/FrameWork/../header/Camera.hpp:44:36: note:   initializing argument 1 of ‘void FrameWork::Camera::View(std::shared_ptr<FrameWork::Actor>)’
   44 |   void View(std::shared_ptr<Actor> actor);
      |             ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
make: *** [Makefile:25: object/Entry.o] エラー 1
shigurechan@shigurechan-System-Product-Name:~/prg/TopDownGame$

Camera.cpp

cpp

// ##################################### 描画　##################################### 
void FrameWork::Camera::View(std::shared_ptr<Actor> actor)
{

	glBindFramebuffer(GL_FRAMEBUFFER, depthMapFBO);
	glViewport(0, 0, windowContext->getSize().x, windowContext->getSize().y);

	//actor->Renderer_Depth(getViewPerspective());

	glBindFramebuffer(GL_FRAMEBUFFER, frameBufferFBO);
	glViewport(0, 0, windowContext->getSize().x, windowContext->getSize().y);

	glEnable(GL_DEPTH_TEST);
//	actor->Renderer(getViewPerspective());

	glDepthFunc(GL_LEQUAL);
	actor->Renderer(getViewOrthographic());
//	actor->Renderer(getViewPerspective());
	glDepthFunc(GL_LESS);

	glBindFramebuffer(GL_FRAMEBUFFER,0);
}

Entry.cpp

cpp
#include "../header/Entry.hpp"
#include <iostream>
#include "../header/Game.hpp"
#include "../FrameWork/FrameWork/FrameWork.hpp"

Entry::Entry()
{
    camera = std::make_shared<FrameWork::Camera>();
    game = std::make_shared<Game>();
}

void Entry::Update()
{

}

void Entry::Renderer()
{
///////////////////////////////////////////////////
    camera->View(game);        /
///////////////////////////////////////////////////
}

void Entry::Loop()
{
    camera->ClearBuffer();


    Update();
    Renderer();

    

    camera->RendererBuffer();

}

Entry::~Entry()
{

}

Game.hpp

cpp
#ifndef ___GAME_HPP___
#define ___GAME_HPP___

#include "../FrameWork/FrameWork/FrameWork.hpp"
#include <glm/glm.hpp>

class Game : FrameWork::Actor
{
public:
    Game();
    ~Game();

    void Update();
    void Renderer(const glm::mat4 view)const;
private:

    FrameWork::Texture texture;

};

#endif

Game.cpp

cpp
#include "../header/Game.hpp"

Game::Game() : Actor()
{
    texture = FrameWork::LoadTexture("Asset/resource.png"); 
}

void Game::Update()
{

}
void Game::Renderer(const glm::mat4 view)const
{
    //FrameWork::RendererSprite(camera->getViewPerspective(),texture,glm::vec3(50,50,-1),glm::ivec2(3,3),glm::ivec2(32,16));
    FrameWork::RendererSprite(view,texture,glm::vec3(50,50,-1),glm::ivec2(3,3),glm::ivec2(32,16));
}

Game::~Game()
{
    
}

Actro.hpp

cpp
#ifndef ___ACTOR_HPP_
#define ___ACTOR_HPP_

#include <memory>
#include <GL/glew.h>
#include <glm/glm.hpp>
namespace FrameWork
{
    class Actor
    {
    public:

        Actor();
        ~Actor();

        virtual void Update() = 0;
        virtual void Renderer(const glm::mat4 view)const = 0;
     
    protected:
        
    };
}
#endif