Function main

src/main_sdl_emscripten.cpp:16–61

static void main_loop(void *);

int main(int, char **)
{
    ImStudio::GUI gui;
    gui.bw.objects.reserve(2048);

    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0)
    {
        printf("Error: %s\n", SDL_GetError());
        return -1;
    }

    const char *glsl_version = "#version 100";
    // const char* glsl_version = "#version 300 es";
    SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);

    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
    SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
    SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
    SDL_DisplayMode current;
    SDL_GetCurrentDisplayMode(0, &current);
    SDL_WindowFlags window_flags =
        (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
    g_Window = SDL_CreateWindow("ImStudio", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags);
    g_GLContext = SDL_GL_CreateContext(g_Window);
    if (!g_GLContext)
    {
        fprintf(stderr, "Failed to initialize WebGL context!\n");
        return 1;
    }
    SDL_GL_SetSwapInterval(1); // Enable vsync

    IMGUI_CHECKVERSION();
    ImGui::CreateContext();

    MainWindowStyle();

    ImGui_ImplSDL2_InitForOpenGL(g_Window, g_GLContext);
    ImGui_ImplOpenGL3_Init(glsl_version);

    /////////////////////////////////////////////////////////
    emscripten_set_main_loop_arg(main_loop, &gui, 0, true);
    /////////////////////////////////////////////////////////
}

static void main_loop(void *arg)
{