[PATCH xserver] xwayland: Port to Wayland 1.0 API

Tiago Vignatti tiago.vignatti at intel.com
Mon Nov 19 12:11:50 PST 2012


From: Daniel Stone <daniel at fooishbar.org>

Signed-off-by: Daniel Stone <daniel at fooishbar.org>
Signed-off-by: Tiago Vignatti <tiago.vignatti at intel.com>
---
 hw/xfree86/xwayland/xserver.xml        |    4 +-
 hw/xfree86/xwayland/xwayland-cursor.c  |   40 ++++++----
 hw/xfree86/xwayland/xwayland-drm.c     |   40 ++++++----
 hw/xfree86/xwayland/xwayland-input.c   |   26 +++---
 hw/xfree86/xwayland/xwayland-output.c  |   56 ++++++-------
 hw/xfree86/xwayland/xwayland-private.h |   11 ++-
 hw/xfree86/xwayland/xwayland.c         |  137 +++++++++++++++++---------------
 7 files changed, 174 insertions(+), 140 deletions(-)

diff --git a/hw/xfree86/xwayland/xserver.xml b/hw/xfree86/xwayland/xserver.xml
index 9e25f5c..2900fef 100644
--- a/hw/xfree86/xwayland/xserver.xml
+++ b/hw/xfree86/xwayland/xserver.xml
@@ -1,6 +1,6 @@
 <protocol name="xserver">
 
-  <interface name="xserver" version="1">
+  <interface name="xserver" version="2">
     <request name="set_window_id">
       <arg name="surface" type="object" interface="wl_surface"/>
       <arg name="id" type="uint"/>
@@ -13,6 +13,8 @@
     <event name="listen_socket">
       <arg name="fd" type="fd"/>
     </event>
+
+    <request name="init_complete"/>
   </interface>
 
 </protocol>
diff --git a/hw/xfree86/xwayland/xwayland-cursor.c b/hw/xfree86/xwayland/xwayland-cursor.c
index f69601a..eb1106c 100644
--- a/hw/xfree86/xwayland/xwayland-cursor.c
+++ b/hw/xfree86/xwayland/xwayland-cursor.c
@@ -147,16 +147,35 @@ xwl_unrealize_cursor(DeviceIntPtr device,
     return TRUE;
 }
 
+void
+xwl_seat_set_cursor(struct xwl_seat *xwl_seat)
+{
+    struct wl_buffer *buffer;
+
+    if (!xwl_seat->x_cursor || !xwl_seat->wl_pointer)
+        return;
+
+    buffer = dixGetPrivate(&xwl_seat->x_cursor->devPrivates,
+                           &xwl_cursor_private_key);
+
+    wl_pointer_set_cursor(xwl_seat->wl_pointer,
+			  xwl_seat->pointer_enter_serial,
+			  xwl_seat->cursor,
+			  xwl_seat->x_cursor->bits->xhot,
+                          xwl_seat->x_cursor->bits->yhot);
+    wl_surface_attach(xwl_seat->cursor, buffer, 0, 0);
+    wl_surface_damage(xwl_seat->cursor, 0, 0,
+		      xwl_seat->x_cursor->bits->width,
+                      xwl_seat->x_cursor->bits->height);
+    wl_surface_commit(xwl_seat->cursor);
+}
+
 static void
 xwl_set_cursor(DeviceIntPtr device,
 	       ScreenPtr screen, CursorPtr cursor, int x, int y)
 {
     struct xwl_screen *xwl_screen;
     struct xwl_seat *xwl_seat;
-    struct wl_buffer *buffer;
-
-    if (!cursor)
-	return;
 
     xwl_screen = xwl_screen_get(screen);
 
@@ -164,17 +183,10 @@ xwl_set_cursor(DeviceIntPtr device,
 	return;
 
     xwl_seat = xorg_list_first_entry(&xwl_screen->seat_list,
-					     struct xwl_seat, link);
-
-    buffer = dixGetPrivate(&cursor->devPrivates, &xwl_cursor_private_key);
+                                     struct xwl_seat, link);
 
-    wl_pointer_set_cursor(xwl_seat->wl_pointer,
-			  xwl_seat->pointer_enter_serial,
-			  xwl_seat->cursor,
-			  cursor->bits->xhot, cursor->bits->yhot);
-    wl_surface_attach(xwl_seat->cursor, buffer, 0, 0);
-    wl_surface_damage(xwl_seat->cursor, 0, 0,
-		      cursor->bits->width, cursor->bits->height);
+    xwl_seat->x_cursor = cursor;
+    xwl_seat_set_cursor(xwl_seat);
 }
 
 static void
diff --git a/hw/xfree86/xwayland/xwayland-drm.c b/hw/xfree86/xwayland/xwayland-drm.c
index 6ac5c7d..a7bd4a6 100644
--- a/hw/xfree86/xwayland/xwayland-drm.c
+++ b/hw/xfree86/xwayland/xwayland-drm.c
@@ -67,37 +67,37 @@ drm_handle_authenticated (void *data, struct wl_drm *drm)
     xwl_screen->authenticated = 1;
 }
 
-static const struct wl_drm_listener xwl_drm_listener =
-{
+static const struct wl_drm_listener xwl_drm_listener = {
     drm_handle_device,
     drm_handle_format,
     drm_handle_authenticated
 };
 
 static void
-drm_handler(struct wl_display *display_,
-	      uint32_t id,
-	      const char *interface,
-	      uint32_t version,
-	      void *data)
+drm_handler(void *data, struct wl_registry *registry, uint32_t id,
+	    const char *interface, uint32_t version)
 {
     struct xwl_screen *xwl_screen = data;
 
     if (strcmp (interface, "wl_drm") == 0) {
-	xwl_screen->drm = wl_display_bind(xwl_screen->display,
-					  id, &wl_drm_interface);
-	wl_drm_add_listener (xwl_screen->drm, &xwl_drm_listener, xwl_screen);
+	xwl_screen->drm = wl_registry_bind(xwl_screen->registry, id,
+                                           &wl_drm_interface, version);
+	wl_drm_add_listener(xwl_screen->drm, &xwl_drm_listener, xwl_screen);
     }
 }
 
+static const struct wl_registry_listener drm_listener = {
+    drm_handler,
+};
+
 int
 xwl_drm_pre_init(struct xwl_screen *xwl_screen)
 {
     uint32_t magic;
 
-    xwl_screen->drm_listener =
-	wl_display_add_global_listener(xwl_screen->display,
-				       drm_handler, xwl_screen);
+    xwl_screen->drm_registry = wl_display_get_registry(xwl_screen->display);
+    wl_registry_add_listener(xwl_screen->drm_registry, &drm_listener,
+                             xwl_screen);
 
     /* Ensure drm_handler has seen all the interfaces */
     wl_display_roundtrip(xwl_screen->display);
@@ -145,14 +145,22 @@ int xwl_screen_get_drm_fd(struct xwl_screen *xwl_screen)
 int xwl_drm_authenticate(struct xwl_screen *xwl_screen,
 			    uint32_t magic)
 {
+    int ret;
+
     xwl_screen->authenticated = 0;
 
     if (xwl_screen->drm)
 	wl_drm_authenticate (xwl_screen->drm, magic);
 
-    wl_display_iterate (xwl_screen->display, WL_DISPLAY_WRITABLE);
-    while (!xwl_screen->authenticated)
-	wl_display_iterate (xwl_screen->display, WL_DISPLAY_READABLE);
+    ret = wl_display_flush(xwl_screen->display);
+    if (ret == -1)
+        return BadAlloc;
+    ret = wl_display_dispatch(xwl_screen->display);
+    if (ret == -1)
+        return BadAlloc;
+
+    if (!xwl_screen->authenticated)
+        wl_display_roundtrip(xwl_screen->display);
 
     return Success;
 }
diff --git a/hw/xfree86/xwayland/xwayland-input.c b/hw/xfree86/xwayland/xwayland-input.c
index d9f352f..fb058e2 100644
--- a/hw/xfree86/xwayland/xwayland-input.c
+++ b/hw/xfree86/xwayland/xwayland-input.c
@@ -27,6 +27,7 @@
 #include "xorg-config.h"
 #endif
 
+#include <errno.h>
 #include <stdint.h>
 #include <unistd.h>
 #include <linux/input.h>
@@ -473,6 +474,7 @@ seat_handle_capabilities(void *data, struct wl_seat *seat,
 	    xwl_seat->wl_pointer = wl_seat_get_pointer(seat);
 	    wl_pointer_add_listener(xwl_seat->wl_pointer,
 				    &pointer_listener, xwl_seat);
+            xwl_seat_set_cursor(xwl_seat);
 	}
 
 	if (caps & WL_SEAT_CAPABILITY_KEYBOARD) {
@@ -503,7 +505,8 @@ create_input_device(struct xwl_screen *xwl_screen, uint32_t id,
     xorg_list_add(&xwl_seat->link, &xwl_screen->seat_list);
 
     xwl_seat->seat =
-	wl_display_bind(xwl_screen->display, id, &wl_seat_interface);
+	wl_registry_bind(xwl_screen->registry, id, &wl_seat_interface,
+                         version);
     xwl_seat->id = id;
 
     xwl_seat->cursor = wl_compositor_create_surface(xwl_screen->compositor);
@@ -512,23 +515,26 @@ create_input_device(struct xwl_screen *xwl_screen, uint32_t id,
 }
 
 static void
-input_handler(struct wl_display *display,
-	      uint32_t id,
-	      const char *interface,
-	      uint32_t version,
-	      void *data)
+input_handler(void *data, struct wl_registry *registry, uint32_t id,
+	      const char *interface, uint32_t version)
 {
     struct xwl_screen *xwl_screen = data;
 
     if (strcmp (interface, "wl_seat") == 0) {
-        create_input_device(xwl_screen, id, 1);
+        create_input_device(xwl_screen, id, version);
     }
 }
 
+static const struct wl_registry_listener input_listener = {
+    input_handler,
+};
+
 void
 xwl_input_init(struct xwl_screen *xwl_screen)
 {
-    xwl_screen->input_listener =
-	wl_display_add_global_listener(xwl_screen->display,
-				       input_handler, xwl_screen);
+    int ret;
+
+    xwl_screen->input_registry = wl_display_get_registry(xwl_screen->display);
+    wl_registry_add_listener(xwl_screen->input_registry, &input_listener,
+                             xwl_screen);
 }
diff --git a/hw/xfree86/xwayland/xwayland-output.c b/hw/xfree86/xwayland/xwayland-output.c
index f9e6067..bda4a96 100644
--- a/hw/xfree86/xwayland/xwayland-output.c
+++ b/hw/xfree86/xwayland/xwayland-output.c
@@ -212,14 +212,9 @@ static const xf86CrtcConfigFuncsRec config_funcs = {
 };
 
 static void
-display_handle_geometry(void *data,
-			struct wl_output *wl_output,
-			int x, int y,
-			int physical_width,
-			int physical_height,
-			int subpixel,
-			const char *make,
-			const char *model)
+display_handle_geometry(void *data, struct wl_output *wl_output, int x, int y,
+			int physical_width, int physical_height, int subpixel,
+			const char *make, const char *model, int transform)
 {
     struct xwl_output *xwl_output = data;
     struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
@@ -255,12 +250,8 @@ display_handle_geometry(void *data,
 }
 
 static void
-display_handle_mode(void *data,
-		    struct wl_output *wl_output,
-		    uint32_t flags,
-		    int width,
-		    int height,
-		    int refresh)
+display_handle_mode(void *data, struct wl_output *wl_output, uint32_t flags,
+		    int width, int height, int refresh)
 {
     struct xwl_output *xwl_output = data;
 
@@ -276,39 +267,44 @@ static const struct wl_output_listener output_listener = {
 };
 
 static void
-global_handler(struct wl_display *display_,
-	       uint32_t id,
-	       const char *interface,
-	       uint32_t version,
-	       void *data)
+global_handler(void *data, struct wl_registry *registry, uint32_t id,
+	       const char *interface, uint32_t version)
 {
     struct xwl_screen *xwl_screen = data;
     struct xwl_output *xwl_output;
+    int ret;
 
-    if (strcmp (interface, "wl_output") == 0) {
+    if (strcmp(interface, "wl_output") == 0) {
 	xwl_output = xwl_output_create(xwl_screen);
-
-	xwl_output->output = wl_display_bind(xwl_screen->display,
-					     id, &wl_output_interface);
+	xwl_output->output = wl_registry_bind(registry, id,
+                                              &wl_output_interface, version);
 	wl_output_add_listener(xwl_output->output,
 			       &output_listener, xwl_output);
     }
 }
 
+static const struct wl_registry_listener global_listener = {
+    global_handler,
+};
+
 void
 xwayland_screen_preinit_output(struct xwl_screen *xwl_screen, ScrnInfoPtr scrninfo)
 {
+    int ret;
+
     xf86CrtcConfigInit(scrninfo, &config_funcs);
 
     xf86CrtcSetSizeRange(scrninfo, 320, 200, 8192, 8192);
 
-    xwl_screen->global_listener =
-	wl_display_add_global_listener(xwl_screen->display,
-				       global_handler, xwl_screen);
+    xwl_screen->output_registry = wl_display_get_registry(xwl_screen->display);
+    wl_registry_add_listener(xwl_screen->output_registry, &global_listener,
+                             xwl_screen);
+
+    while (!xwl_screen->xwl_output) {
+        ret = wl_display_roundtrip(xwl_screen->display);
+        if (ret == -1)
+            FatalError("failed to dispatch Wayland events: %s\n", strerror(errno));
+    }
 
-    wl_display_flush(xwl_screen->display);
-    while (xwl_screen->xwl_output == NULL)
-	wl_display_iterate(xwl_screen->display, WL_DISPLAY_READABLE);
-    
     xf86InitialConfiguration(scrninfo, TRUE);
 }
diff --git a/hw/xfree86/xwayland/xwayland-private.h b/hw/xfree86/xwayland/xwayland-private.h
index 8d8590f..1b8a57f 100644
--- a/hw/xfree86/xwayland/xwayland-private.h
+++ b/hw/xfree86/xwayland/xwayland-private.h
@@ -46,13 +46,15 @@ struct xwl_screen {
     int				 wayland_fd;
     struct xwl_output		*xwl_output;
     struct wl_display		*display;
+    struct wl_registry          *registry;
+    struct wl_registry          *drm_registry;
+    struct wl_registry          *input_registry;
+    struct wl_registry          *output_registry;
     struct wl_compositor	*compositor;
-    struct wl_global_listener   *global_listener;
-    struct wl_global_listener   *drm_listener;
-    struct wl_global_listener   *input_listener;
     struct wl_drm		*drm;
     struct wl_shm		*shm;
     struct xserver		*xorg_server;
+    int                          supports_init_complete;
     uint32_t			 mask;
     uint32_t			 flags;
     char			*device_name;
@@ -96,6 +98,7 @@ struct xwl_seat {
     uint32_t			 id;
     uint32_t			 pointer_enter_serial;
     struct xorg_list		 link;
+    CursorPtr                    x_cursor;
 };
 
 struct xwl_screen *xwl_screen_get(ScreenPtr screen);
@@ -113,4 +116,6 @@ void xwl_input_init(struct xwl_screen *screen);
 
 Bool xwl_drm_initialised(struct xwl_screen *screen);
 
+void xwl_seat_set_cursor(struct xwl_seat *xwl_seat);
+
 #endif /* _XWAYLAND_PRIVATE_H_ */
diff --git a/hw/xfree86/xwayland/xwayland.c b/hw/xfree86/xwayland/xwayland.c
index 67ac7d4..7600d1d 100644
--- a/hw/xfree86/xwayland/xwayland.c
+++ b/hw/xfree86/xwayland/xwayland.c
@@ -74,83 +74,68 @@ static const struct xserver_listener xserver_listener = {
 };
 
 static void
-xwl_input_delayed_init(void *data, struct wl_callback *callback, uint32_t time)
+registry_global(void *data, struct wl_registry *registry, uint32_t id,
+	        const char *interface, uint32_t version)
 {
     struct xwl_screen *xwl_screen = data;
-    uint32_t id;
 
-    ErrorF("xwl_input_delayed_init\n");
-
-    wl_callback_destroy(callback);
-    xwl_input_init(xwl_screen);
-
-    id = wl_display_get_global(xwl_screen->display, "xserver", 1);
-    if (id != 0) {
-        xwl_screen->xorg_server = wl_display_bind(xwl_screen->display,
-						  id, &xserver_interface);
-	xserver_add_listener(xwl_screen->xorg_server,
-			     &xserver_listener, xwl_screen);
+    if (strcmp(interface, "wl_compositor") == 0) {
+	xwl_screen->compositor =
+            wl_registry_bind(registry, id, &wl_compositor_interface, version);
+    } else if (strcmp(interface, "wl_shm") == 0) {
+        xwl_screen->shm =
+            wl_registry_bind(registry, id, &wl_shm_interface, version);
+    } else if (strcmp(interface, "xserver") == 0) {
+        xwl_screen->xorg_server =
+            wl_registry_bind(registry, id, &xserver_interface, version);
+        xwl_screen->supports_init_complete = (version >= 2);
+        xserver_add_listener(xwl_screen->xorg_server, &xserver_listener,
+                             xwl_screen);
     }
 }
 
-static const struct wl_callback_listener delayed_init_listner = {
-	xwl_input_delayed_init
+static const struct wl_registry_listener registry_listener = {
+    registry_global,
 };
 
 static void
-global_handler(struct wl_display *display_,
-	       uint32_t id,
-	       const char *interface,
-	       uint32_t version,
-	       void *data)
-{
-    struct xwl_screen *xwl_screen = data;
-
-    if (strcmp (interface, "wl_compositor") == 0) {
-	xwl_screen->compositor =
-		wl_display_bind(xwl_screen->display,
-				id, &wl_compositor_interface);
-    } else if (strcmp (interface, "wl_shm") == 0) {
-        xwl_screen->shm = wl_display_bind(xwl_screen->display,
-					  id, &wl_shm_interface);
-    }
-}
-
-static int
-source_update(uint32_t mask, void *data)
+wakeup_handler(pointer data, int err, pointer read_mask)
 {
     struct xwl_screen *xwl_screen = data;
+    int ret;
 
-    xwl_screen->mask = mask;
+    if (err < 0)
+        return;
 
-    return 0;
-}
+    /* First dispatch any pending events we might've picked up along the
+     * way, then do a blocking read if there's been any activity on our fd. */
+    ret = wl_display_dispatch_pending(xwl_screen->display);
+    if (ret == -1)
+        FatalError("failed to dispatch Wayland events: %s\n", strerror(errno));
 
-static void
-wakeup_handler(pointer data, int err, pointer read_mask)
-{
-    struct xwl_screen *xwl_screen = data;
+    if (!FD_ISSET(xwl_screen->wayland_fd, (fd_set *) read_mask))
+        return;
 
-    if (err >= 0 && FD_ISSET(xwl_screen->wayland_fd, (fd_set *) read_mask))
-	wl_display_iterate(xwl_screen->display, WL_DISPLAY_READABLE);
+    ret = wl_display_dispatch(xwl_screen->display);
+    if (ret == -1)
+        FatalError("failed to dispatch Wayland events: %s\n", strerror(errno));
 }
 
 static void
 block_handler(pointer data, struct timeval **tv, pointer read_mask)
 {
     struct xwl_screen *xwl_screen = data;
+    int ret;
 
-    /* The X servers "main loop" doesn't let us select for
-     * writable, so let's just do a blocking write here. */
-
-    while (xwl_screen->mask & WL_DISPLAY_WRITABLE)
-	wl_display_iterate(xwl_screen->display, WL_DISPLAY_WRITABLE);
+    ret = wl_display_flush(xwl_screen->display);
+    if (ret == -1)
+        FatalError("failed to write to XWayland fd: %s\n", strerror(errno));
 }
 
 int
 xwl_screen_init(struct xwl_screen *xwl_screen, ScreenPtr screen)
 {
-    struct wl_callback *callback;
+    int ret;
 
     xwl_screen->screen = screen;
 
@@ -167,8 +152,23 @@ xwl_screen_init(struct xwl_screen *xwl_screen, ScreenPtr screen)
     AddGeneralSocket(xwl_screen->wayland_fd);
     RegisterBlockAndWakeupHandlers(block_handler, wakeup_handler, xwl_screen);
 
-    callback = wl_display_sync(xwl_screen->display);
-    wl_callback_add_listener(callback, &delayed_init_listner, xwl_screen);
+    ret = wl_display_roundtrip(xwl_screen->display);
+    if (ret == -1) {
+        xf86DrvMsg(screen->myNum, X_ERROR,
+                   "failed to flush Wayland events: %s\n", strerror(errno));
+        return BadAlloc;
+    }
+
+    if (!xwl_screen->xorg_server) {
+        xf86DrvMsg(screen->myNum, X_ERROR,
+                   "host server does not support xserver extension\n");
+        return BadAlloc;
+    }
+
+    if (xwl_screen->supports_init_complete)
+        xserver_init_complete(xwl_screen->xorg_server);
+
+    xwl_input_init(xwl_screen);
 
     return Success;
 }
@@ -228,10 +228,11 @@ Bool
 xwl_screen_pre_init(ScrnInfoPtr scrninfo, struct xwl_screen *xwl_screen,
 		    uint32_t flags, struct xwl_driver *driver)
 {
+    int ret;
+
     noScreenSaverExtension = TRUE;
 
     xdnd_atom = MakeAtom("XdndSelection", 13, 1);
-    ErrorF("xdnd_atom: %d\n", xdnd_atom);
     if (!AddCallback(&SelectionCallback,
 		     xwayland_selection_callback, xwl_screen)) {
 	return FALSE;
@@ -243,19 +244,21 @@ xwl_screen_pre_init(ScrnInfoPtr scrninfo, struct xwl_screen *xwl_screen,
     xwl_screen->scrninfo = scrninfo;
     xwl_screen->driver = driver;
     xwl_screen->flags = flags;
+    xwl_screen->wayland_fd = wl_display_get_fd(xwl_screen->display);
 
     if (xorgRootless)
 	xwl_screen->flags |= XWL_FLAGS_ROOTLESS;
 
     /* Set up listener so we'll catch all events. */
-    xwl_screen->global_listener =
-	    wl_display_add_global_listener(xwl_screen->display,
-					   global_handler, xwl_screen);
-
-    wl_display_roundtrip(xwl_screen->display);
-
-    xwl_screen->wayland_fd =
-	wl_display_get_fd(xwl_screen->display, source_update, xwl_screen);
+    xwl_screen->registry = wl_display_get_registry(xwl_screen->display);
+    wl_registry_add_listener(xwl_screen->registry, &registry_listener,
+                             xwl_screen);
+    ret = wl_display_roundtrip(xwl_screen->display);
+    if (ret == -1) {
+        xf86DrvMsg(scrninfo->scrnIndex, X_ERROR,
+                   "failed to dispatch Wayland events: %s\n", strerror(errno));
+        return FALSE;
+    }
 
 #ifdef WITH_LIBDRM
     if (xwl_screen->driver->use_drm && !xwl_drm_initialised(xwl_screen))
@@ -293,10 +296,9 @@ void xwl_screen_close(struct xwl_screen *xwl_screen)
     struct xwl_seat *xwl_seat, *itmp;
     struct xwl_window *xwl_window, *wtmp;
 
-    if (xwl_screen->input_listener)
-	wl_display_remove_global_listener(xwl_screen->display,
-					  xwl_screen->input_listener);
-
+    if (xwl_screen->registry)
+        wl_registry_destroy(xwl_screen->registry);
+    xwl_screen->registry = NULL;
 
     xorg_list_for_each_entry_safe(xwl_seat, itmp,
 				  &xwl_screen->seat_list, link) {
@@ -310,7 +312,6 @@ void xwl_screen_close(struct xwl_screen *xwl_screen)
 	free(xwl_window);
     }
 
-    xwl_screen->input_listener = NULL;
     xorg_list_init(&xwl_screen->seat_list);
     xorg_list_init(&xwl_screen->damage_window_list);
     xorg_list_init(&xwl_screen->window_list);
@@ -348,10 +349,14 @@ void xwl_screen_post_damage(struct xwl_screen *xwl_screen)
 			      box->x1, box->y1,
 			      box->x2 - box->x1 + 1,
 			      box->y2 - box->y1 + 1);
+
+	    wl_surface_commit(xwl_window->surface);
 	}
 	DamageEmpty(xwl_window->damage);
     }
 
+    wl_display_flush(xwl_screen->display);
+
     xorg_list_init(&xwl_screen->damage_window_list);
 }
 
-- 
1.7.9.5



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