.. _program_listing_file_examples_miral-shell_spinner_miregl.h:

Program Listing for File miregl.h
=================================

|exhale_lsh| :ref:`Return to documentation for file <file_examples_miral-shell_spinner_miregl.h>` (``examples/miral-shell/spinner/miregl.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /*
    * Copyright © Canonical Ltd.
    *
    * This program is free software: you can redistribute it and/or modify
    * under the terms of the GNU General Public License version 2 or 3 as
    * published by the Free Software Foundation.
    *
    * This program is distributed in the hope that it will be useful,
    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    * GNU General Public License for more details.
    *
    * You should have received a copy of the GNU General Public License
    * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    */
   
   #ifndef UNITYSYSTEMCOMPOSITOR_MIREGL_H
   #define UNITYSYSTEMCOMPOSITOR_MIREGL_H
   
   #include "wayland_surface.h"
   
   #include <EGL/egl.h>
   
   #include <memory>
   #include <vector>
   
   class MirEglApp;
   class MirEglSurface;
   
   std::shared_ptr<MirEglApp> make_mir_eglapp(struct wl_display* display);
   std::vector<std::shared_ptr<MirEglSurface>> mir_surface_init(std::shared_ptr<MirEglApp> const& app);
   
   class MirEglSurface : WaylandSurface
   {
   public:
       MirEglSurface(std::shared_ptr<MirEglApp> const& mir_egl_app, struct wl_output* wl_output);
   
       ~MirEglSurface();
   
       template<typename Painter>
       void paint(Painter const& functor)
       {
           egl_make_current();
           functor(width_, height_);
           swap_buffers();
       }
   
   private:
       void egl_make_current();
   
       void swap_buffers();
   
       std::shared_ptr<MirEglApp> const mir_egl_app;
   
       EGLSurface eglsurface;
       int width_{0};
       int height_{0};
   
   };
   
   #endif //UNITYSYSTEMCOMPOSITOR_MIREGL_H