C++ (Cpp) GDK_GL_CONTEXT Examples

Example #1

File: gdkglcontext-wayland.c Project: Distrotech/gtk

static void
gdk_x11_gl_context_dispose (GObject *gobject)
{
  GdkWaylandGLContext *context_wayland = GDK_WAYLAND_GL_CONTEXT (gobject);

  if (context_wayland->egl_context != NULL)
    {
      GdkGLContext *context = GDK_GL_CONTEXT (gobject);
      GdkWindow *window = gdk_gl_context_get_window (context);
      GdkDisplay *display = gdk_window_get_display (window);
      GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);

      if (eglGetCurrentContext () == context_wayland->egl_context)
        eglMakeCurrent(display_wayland->egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
                       EGL_NO_CONTEXT);

      GDK_NOTE (OPENGL, g_print ("Destroying EGL context\n"));

      eglDestroyContext (display_wayland->egl_display,
                         context_wayland->egl_context);
      context_wayland->egl_context = NULL;
    }

  G_OBJECT_CLASS (gdk_wayland_gl_context_parent_class)->dispose (gobject);
}

Example #2

File: gtkglext.c Project: ifreedom/lgob

static int lglext_drawable_gl_begin(lua_State* L)
{
	luaL_checktype(L, 1, LUA_TUSERDATA);
	luaL_checktype(L, 2, LUA_TUSERDATA);

	Object* obj1 = lua_touserdata(L, 1);
	Object* obj2 = lua_touserdata(L, 2);
	gboolean res = gdk_gl_drawable_gl_begin(GDK_GL_DRAWABLE(obj1->pointer),
		GDK_GL_CONTEXT(obj2->pointer));

	lua_pushboolean(L, res);

	return 1;
}

Example #3

File: gdkglcontext-win32.c Project: alexmurray/gtkglext

static void
gdk_gl_context_impl_win32_finalize (GObject *object)
{
  GdkGLContextImplWin32 *impl = GDK_GL_CONTEXT_IMPL_WIN32 (object);

  GDK_GL_NOTE_FUNC_PRIVATE ();

  _gdk_win32_gl_context_impl_destroy (GDK_GL_CONTEXT (object));

  g_object_unref (G_OBJECT (impl->glconfig));

  if (impl->share_list != NULL)
    g_object_unref (G_OBJECT (impl->share_list));

  G_OBJECT_CLASS (gdk_gl_context_impl_win32_parent_class)->finalize (object);
}

Example #4

File: gdkglcontext-wayland.c Project: Distrotech/gtk

GdkGLContext *
gdk_wayland_window_create_gl_context (GdkWindow     *window,
				      gboolean       attached,
                                      GdkGLContext  *share,
                                      GError       **error)
{
  GdkDisplay *display = gdk_window_get_display (window);
  GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
  GdkWaylandGLContext *context;
  EGLConfig config;

  if (!gdk_wayland_display_init_gl (display))
    {
      g_set_error_literal (error, GDK_GL_ERROR,
                           GDK_GL_ERROR_NOT_AVAILABLE,
                           _("No GL implementation is available"));
      return NULL;
    }

  if (!display_wayland->have_egl_khr_create_context)
    {
      g_set_error_literal (error, GDK_GL_ERROR,
                           GDK_GL_ERROR_UNSUPPORTED_PROFILE,
                           _("Core GL is not available on EGL implementation"));
      return NULL;
    }

  if (!find_eglconfig_for_window (window, &config, error))
    return NULL;

  context = g_object_new (GDK_TYPE_WAYLAND_GL_CONTEXT,
                          "display", display,
                          "window", window,
                          "shared-context", share,
                          NULL);

  context->egl_config = config;
  context->is_attached = attached;

  return GDK_GL_CONTEXT (context);
}