wayland: Implement the color management protocol v4

To expose it, run mutter/gnome-shell with `--debug-control` and then call
`./tools/debug-control.py --enable ColorManagementProtocol`, or set
`MUTTER_DEBUG_COLOR_MANAGEMENT_PROTOCOL=1`.

Co-authored-by: Joan Torres <joan.torres@suse.com>
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3893>

src/meson.build

@@ -602,6 +602,8 @@ if have_wayland
     'wayland/meta-wayland.c',
     'wayland/meta-wayland-client.c',
     'wayland/meta-wayland-client-private.h',
+    'wayland/meta-wayland-color-management.c',
+    'wayland/meta-wayland-color-management.h',
     'wayland/meta-wayland-cursor-surface.c',
     'wayland/meta-wayland-cursor-surface.h',
     'wayland/meta-wayland-data-device.c',
@@ -1103,6 +1105,7 @@ if have_wayland
     ['xdg-shell', 'stable', ],
     ['xwayland-keyboard-grab', 'unstable', 'v1', ],
     ['linux-drm-syncobj-v1', 'private', ],
+    ['color-management-v1', 'private', ],
   ]
   if have_wayland_eglstream
     wayland_eglstream_protocols_dir = wayland_eglstream_protocols_dep.get_variable('pkgdatadir')

src/wayland/meta-wayland-color-management.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2024 SUSE Software Solutions Germany GmbH
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Written by:
+ *     Joan Torres <joan.torres@suse.com>
+ */
+
+#pragma once
+
+#include "wayland/meta-wayland-types.h"
+
+void meta_wayland_init_color_management (MetaWaylandCompositor *compositor);

src/wayland/meta-wayland-versions.h

@@ -57,5 +57,6 @@
 #define META_WP_SINGLE_PIXEL_BUFFER_V1_VERSION 1
 #define META_MUTTER_X11_INTEROP_VERSION 1
 #define META_WP_FRACTIONAL_SCALE_VERSION 1
+#define META_XX_COLOR_MANAGEMENT_VERSION 1
 #define META_XDG_DIALOG_VERSION 1
 #define META_WP_DRM_LEASE_DEVICE_V1_VERSION 1

src/wayland/meta-wayland.c

@@ -39,6 +39,7 @@
 #include "core/meta-context-private.h"
 #include "wayland/meta-wayland-activation.h"
 #include "wayland/meta-wayland-buffer.h"
+#include "wayland/meta-wayland-color-management.h"
 #include "wayland/meta-wayland-data-device.h"
 #include "wayland/meta-wayland-dma-buf.h"
 #include "wayland/meta-wayland-egl-stream.h"
@@ -890,6 +891,7 @@ meta_wayland_compositor_new (MetaContext *context)
   meta_wayland_idle_inhibit_init (compositor);
   meta_wayland_drm_syncobj_init (compositor);
   meta_wayland_init_xdg_wm_dialog (compositor);
+  meta_wayland_init_color_management (compositor);
 
 #ifdef HAVE_NATIVE_BACKEND
   meta_wayland_drm_lease_manager_init (compositor);