Очередной SDL. невозможно преобразовать аргумент

#pragma once
#include "Game.h"
 
class TextureManager
{
public:
    static SDL_Texture * LoadTexture(const char * fileName, SDL_Renderer ren);
    //SDL_Texture * LoadTexture(const char * texture, SDL_Renderer * ren);
 
};

#include "TextureManager.h"
 
 
SDL_Texture* TextureManager::LoadTexture(const char* texture, SDL_Renderer* ren) {
    
    SDL_Surface* tempSurface = IMG_Load(texture);
    SDL_Texture* tex = SDL_CreateTextureFromSurface(ren, tempSurface);
    SDL_FreeSurface(tempSurface);
 
    return tex;
}

using namespace std;
class Game
{
public:
    Game();
    ~Game();
 
    void init(const char* title, int xpos, int ypos, int width, int height, bool fullscrean);
    void handleEvent();
    void update();
    void render();
    void clean();
 
    bool running() { return isRunning; };
private:
    int cnt = 0;
    bool isRunning;
    SDL_Window *window;
    SDL_Renderer *renderer;
};

SDL_Texture* playerTex;
SDL_Rect srcR, destR;
playerTex = TextureManager::LoadTexture("assets/human.png", renderer);

#pragma once
#include "Game.h"
 
class TextureManager
{
public:
    static SDL_Texture * LoadTexture(const char * fileName, SDL_Renderer[B]*[/B] ren);
    //SDL_Texture * LoadTexture(const char * texture, SDL_Renderer * ren);
 
};