main.c

#include <SDL.h>
#include <stdio.h>

int main(int argc, char *argv[])
{
    SDL_version version;
    SDL_VERSION(&version);
    printf("SDL version %d.%d.%d\n", version.major, version.minor, version.patch);

    // Initialize SDL with video and game controller subsystems
    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_GAMECONTROLLER) != 0)
    {
        printf("SDL initialization failed: %s\n", SDL_GetError());
        return 1;
    }

    SDL_Window *window = SDL_CreateWindow(
        "window",
        SDL_WINDOWPOS_UNDEFINED,
        SDL_WINDOWPOS_UNDEFINED,
        720,
        576,
        SDL_WINDOW_FULLSCREEN);

    if (window == NULL)
    {
        printf("Window creation failed: %s\n", SDL_GetError());
        SDL_Quit();
        return 1;
    }

    // SDL_Renderer * renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
    SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_SOFTWARE);
    if (renderer == NULL)
    {
        printf("Renderer creation failed: %s\n", SDL_GetError());
        SDL_DestroyWindow(window);
        SDL_Quit();
        return 1;
    }

    SDL_Rect rect = {216, 96, 34, 64};

    int running = 1;
    SDL_Event event;
    while (running)
    {
        if (SDL_PollEvent(&event))
        {
            switch (event.type)
            {
            case SDL_QUIT:
                running = 0;
                break;
            case SDL_CONTROLLERDEVICEADDED:
                SDL_GameControllerOpen(event.cdevice.which);
                break;
            case SDL_CONTROLLERBUTTONDOWN:
                if (event.cbutton.button == SDL_CONTROLLER_BUTTON_START)
                    running = 0;
                break;
            }
        }

        // Clear the screen
        SDL_RenderClear(renderer);

        // Draw a red square
        SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
        SDL_RenderFillRect(renderer, &rect);

        // Draw everything on a white background
        SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
        SDL_RenderPresent(renderer);
    }

    return 0;
}