C++跨平台开发：有哪些最新的趋势和创新？

#include <iostream>
#include <SDL2/SDL.h>

int main(int argc, char* argv[]) {
    // 初始化 SDL
    if (SDL_Init(SDL_INIT_VIDEO) != 0) {
        std::cout << "SDL 初始化失败！" << SDL_GetError() << std::endl;
        return EXIT_FAILURE;
    }

    // 创建窗口
    SDL_Window* window = SDL_CreateWindow("我的跨平台游戏", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 800, 600, 0);
    if (!window) {
        std::cout << "窗口创建失败！" << SDL_GetError() << std::endl;
        SDL_Quit();
        return EXIT_FAILURE;
    }

    // 创建渲染器
    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
    if (!renderer) {
        std::cout << "渲染器创建失败！" << SDL_GetError() << std::endl;
        SDL_DestroyWindow(window);
        SDL_Quit();
        return EXIT_FAILURE;
    }

    // 游戏循环
    bool running = true;
    while (running) {
        // 处理事件
        SDL_Event event;
        while (SDL_PollEvent(&event)) {
            if (event.type == SDL_QUIT) {
                running = false;
            }
        }

        // 绘制游戏
        SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);  // 设置渲染颜色为蓝色
        SDL_RenderClear(renderer);  // 清除渲染器
        // … 游戏逻辑

        // 呈现渲染器
        SDL_RenderPresent(renderer);
    }

    // 清理
    SDL_DestroyRenderer(renderer);
    SDL_DestroyWindow(window);
    SDL_Quit();

    return EXIT_SUCCESS;
}