C++ (Cpp) DirectFB_GL_UnloadLibrary示例

示例#1

文件： SDL_DirectFB_opengl.c 项目： MichalWolodkiewicz/wizznic-android

void
DirectFB_GL_Shutdown(_THIS)
{
    if (!_this->gl_data || (--_this->gl_data->initialized > 0)) {
        return;
    }

    DirectFB_GL_UnloadLibrary(_this);

    SDL_free(_this->gl_data);
    _this->gl_data = NULL;
}

示例#2

文件： SDL_DirectFB_opengl.c 项目： Avin15/dospad

int
DirectFB_GL_LoadLibrary(_THIS, const char *path)
{
    SDL_DFB_DEVICEDATA(_this);

    void *handle = NULL;

    SDL_DFB_DEBUG("Loadlibrary : %s\n", path);

    if (_this->gl_data->gl_active) {
        SDL_SetError("OpenGL context already created");
        return -1;
    }


    if (path == NULL) {
        path = SDL_getenv("SDL_VIDEO_GL_DRIVER");
        if (path == NULL) {
            path = "libGL.so";
        }
    }

    handle = GL_LoadObject(path);
    if (handle == NULL) {
        SDL_DFB_ERR("Library not found: %s\n", path);
        /* SDL_LoadObject() will call SDL_SetError() for us. */
        return -1;
    }

    SDL_DFB_DEBUG("Loaded library: %s\n", path);

    /* Unload the old driver and reset the pointers */
    DirectFB_GL_UnloadLibrary(_this);

    _this->gl_config.dll_handle = handle;
    _this->gl_config.driver_loaded = 1;
    if (path) {
        SDL_strlcpy(_this->gl_config.driver_path, path,
                    SDL_arraysize(_this->gl_config.driver_path));
    } else {
        *_this->gl_config.driver_path = '\0';
    }

    devdata->glFinish = DirectFB_GL_GetProcAddress(_this, "glFinish");
    devdata->glFlush = DirectFB_GL_GetProcAddress(_this, "glFlush");

    return 0;
}