mirror of
https://github.com/brl/mutter.git
synced 2025-03-21 02:33:53 +00:00
8008f0b7b0
This changes the setup phase of clutter to not be result of calling an init function that sets up a few global singletons, via global singleton setup vfuncs. The way it worked was that mutter first did some initial setup (connecting to the X11 server), then set a "custom backend" setup vfunc global, before calling clutter_init(). During the clutter_init() call, the context and backend was setup by calling the global singleton getters, which implicitly created the backend and context on-demand. This has now changed to mutter explicitly creating a `ClutterContext` (which is actually a `ClutterMainContext`, but with the name shortened to be consistent with `CoglContext` and `MetaContext`), calling it with a backend constructor vfunc and user data pointer. This function now explicitly creates the backend, without having to go via the previously set global vfunc. This changes the behavior of some "get_default()" like functions, which will now fail if called after mutter has shut down, as when it does so, it now destroys the backends and contexts, not only its own, but the clutter ones too. The "ownership" of the clutter backend is also moved to `ClutterContext`, and MetaBackend is changed to fetch it via the clutter context. This also removed the unused option parsing that existed in clutter. In some places, NULL checks for fetching the clutter context, or backend, and fetching the cogl context from the clutter backend, had to be added. The reason for this is that some code that handles EGL contexts attempts to restore the cogl EGL context tracking so that the right EGL context is used by cogl the next time. This makes no sense to do before Cogl and Clutter are even initialized, which was the case. It wasn't noticed because the relevant singletons were initialized on demand via their "getters". Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2002>
111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
|
|
|
|
/*
|
|
* Copyright (C) 2016 Red Hat
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* 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, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
|
* 02111-1307, USA.
|
|
*
|
|
* Written by:
|
|
* Jonas Ådahl <jadahl@gmail.com>
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <glib-object.h>
|
|
|
|
#include "backends/meta-backend-private.h"
|
|
#include "backends/meta-logical-monitor.h"
|
|
#include "backends/meta-renderer-view.h"
|
|
#include "backends/meta-renderer.h"
|
|
#include "backends/x11/meta-backend-x11.h"
|
|
#include "backends/x11/meta-clutter-backend-x11.h"
|
|
#include "backends/x11/meta-renderer-x11.h"
|
|
#include "cogl/cogl-xlib.h"
|
|
#include "cogl/cogl.h"
|
|
#include "core/boxes-private.h"
|
|
#include "meta/meta-backend.h"
|
|
#include "meta/util.h"
|
|
|
|
#ifdef COGL_HAS_EGL_SUPPORT
|
|
#include "cogl/winsys/cogl-winsys-egl-x11-private.h"
|
|
#endif
|
|
#ifdef COGL_HAS_GLX_SUPPORT
|
|
#include "cogl/winsys/cogl-winsys-glx-private.h"
|
|
#endif
|
|
|
|
G_DEFINE_TYPE (MetaRendererX11, meta_renderer_x11, META_TYPE_RENDERER)
|
|
|
|
static const CoglWinsysVtable *
|
|
get_x11_cogl_winsys_vtable (CoglRenderer *renderer)
|
|
{
|
|
#ifdef COGL_HAS_EGL_PLATFORM_XLIB_SUPPORT
|
|
if (meta_is_wayland_compositor ())
|
|
return _cogl_winsys_egl_xlib_get_vtable ();
|
|
#endif
|
|
|
|
switch (renderer->driver)
|
|
{
|
|
case COGL_DRIVER_GLES2:
|
|
#ifdef COGL_HAS_EGL_PLATFORM_XLIB_SUPPORT
|
|
return _cogl_winsys_egl_xlib_get_vtable ();
|
|
#else
|
|
break;
|
|
#endif
|
|
case COGL_DRIVER_GL:
|
|
case COGL_DRIVER_GL3:
|
|
#ifdef COGL_HAS_GLX_SUPPORT
|
|
return _cogl_winsys_glx_get_vtable ();
|
|
#else
|
|
break;
|
|
#endif
|
|
case COGL_DRIVER_ANY:
|
|
case COGL_DRIVER_NOP:
|
|
break;
|
|
}
|
|
g_assert_not_reached ();
|
|
return NULL;
|
|
}
|
|
|
|
static CoglRenderer *
|
|
meta_renderer_x11_create_cogl_renderer (MetaRenderer *renderer)
|
|
{
|
|
MetaBackend *backend = meta_renderer_get_backend (renderer);
|
|
MetaBackendX11 *backend_x11 = META_BACKEND_X11 (backend);
|
|
Display *xdisplay = meta_backend_x11_get_xdisplay (backend_x11);
|
|
CoglRenderer *cogl_renderer;
|
|
|
|
cogl_renderer = cogl_renderer_new ();
|
|
cogl_renderer_set_custom_winsys (cogl_renderer, get_x11_cogl_winsys_vtable,
|
|
NULL);
|
|
cogl_xlib_renderer_set_foreign_display (cogl_renderer, xdisplay);
|
|
cogl_xlib_renderer_request_reset_on_video_memory_purge (cogl_renderer, TRUE);
|
|
|
|
return cogl_renderer;
|
|
}
|
|
|
|
static void
|
|
meta_renderer_x11_init (MetaRendererX11 *renderer_x11)
|
|
{
|
|
}
|
|
|
|
static void
|
|
meta_renderer_x11_class_init (MetaRendererX11Class *klass)
|
|
{
|
|
MetaRendererClass *renderer_class = META_RENDERER_CLASS (klass);
|
|
|
|
renderer_class->create_cogl_renderer = meta_renderer_x11_create_cogl_renderer;
|
|
}
|