libweston: Introduce backend.h

Introduce a new private header file that only internal backends are
allowed to use. Starts by migrating functions that operate on the
'struct weston_head'.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>

include/libweston/libweston.h

@@ -2077,35 +2077,6 @@ weston_keyboard_send_keymap(struct weston_keyboard *kbd,
 int
 weston_compositor_load_xwayland(struct weston_compositor *compositor);
 
-void
-weston_head_init(struct weston_head *head, const char *name);
-
-void
-weston_head_release(struct weston_head *head);
-
-void
-weston_head_set_monitor_strings(struct weston_head *head,
-				const char *make,
-				const char *model,
-				const char *serialno);
-
-void
-weston_head_set_non_desktop(struct weston_head *head, bool non_desktop);
-
-void
-weston_head_set_physical_size(struct weston_head *head,
-			      int32_t mm_width, int32_t mm_height);
-
-void
-weston_head_set_subpixel(struct weston_head *head,
-			 enum wl_output_subpixel sp);
-
-void
-weston_head_set_connection_status(struct weston_head *head, bool connected);
-
-void
-weston_head_set_internal(struct weston_head *head);
-
 bool
 weston_head_is_connected(struct weston_head *head);
 

libweston/backend-drm/drm-internal.h

@@ -55,6 +55,7 @@
 #include <libweston/weston-debug.h>
 #include "shared/helpers.h"
 #include "libinput-seat.h"
+#include "backend.h"
 #include "libweston-internal.h"
 
 #ifndef DRM_CLIENT_CAP_ASPECT_RATIO

libweston/backend.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2008-2011 Kristian Høgsberg
+ * Copyright © 2017, 2018 General Electric Company
+ * Copyright © 2012, 2017-2019 Collabora, Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef LIBWESTON_BACKEND_INTERNAL_H
+#define LIBWESTON_BACKEND_INTERNAL_H
+
+/* weston_head */
+
+void
+weston_head_init(struct weston_head *head, const char *name);
+
+void
+weston_head_release(struct weston_head *head);
+
+void
+weston_head_set_connection_status(struct weston_head *head, bool connected);
+
+void
+weston_head_set_internal(struct weston_head *head);
+
+void
+weston_head_set_monitor_strings(struct weston_head *head,
+				const char *make,
+				const char *model,
+				const char *serialno);
+void
+weston_head_set_non_desktop(struct weston_head *head, bool non_desktop);
+
+void
+weston_head_set_physical_size(struct weston_head *head,
+			      int32_t mm_width, int32_t mm_height);
+
+void
+weston_head_set_subpixel(struct weston_head *head,
+			 enum wl_output_subpixel sp);
+
+#endif

libweston/pixman-renderer.h

@@ -26,6 +26,7 @@
 #include "config.h"
 
 #include <libweston/libweston.h>
+#include "backend.h"
 #include "libweston-internal.h"
 
 int

libweston/renderer-gl/gl-renderer.h

@@ -28,6 +28,7 @@
 #include <stdint.h>
 
 #include <libweston/libweston.h>
+#include "backend.h"
 #include "libweston-internal.h"
 
 #ifdef ENABLE_EGL

remoting/remoting-plugin.c

@@ -47,6 +47,7 @@
 #include <libweston/backend-drm.h>
 #include "shared/helpers.h"
 #include "shared/timespec-util.h"
+#include "backend.h"
 #include "libweston-internal.h"
 
 #define MAX_RETRY_COUNT	3