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libweston-desktop/xdg-shell: Check surface size against acknowledged size

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We were checking against the pending size, which lead some clients
(simple-egl) to crash because they sent a buffer before acknowledging
the latest configure event.

Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>
Tested-by: Emmanuel Gil Peyrot <emmanuel.peyrot@collabora.com>
Reviewed-by: Jonas Ådahl <jadahl@gmail.com>
dev
Quentin Glidic 8 years ago
parent 19d1f6effe
commit ac394a10bc
No known key found for this signature in database
GPG Key ID: AC203F96E2C34BB7
2 changed files with 8 additions and 4 deletions
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  1. 6
      libweston-desktop/xdg-shell-v5.c
  2. 6
      libweston-desktop/xdg-shell-v6.c

6
libweston-desktop/xdg-shell-v5.c
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@ -60,6 +60,7 @@ struct weston_desktop_xdg_surface {
} pending; } pending;
struct { struct {
struct weston_desktop_xdg_surface_state state; struct weston_desktop_xdg_surface_state state;
struct weston_size size;
} next; } next;
struct { struct {
struct weston_desktop_xdg_surface_state state; struct weston_desktop_xdg_surface_state state;
@ -244,8 +245,8 @@ weston_desktop_xdg_surface_committed(struct weston_desktop_surface *dsurface,
bool reconfigure = false; bool reconfigure = false;
if (surface->next.state.maximized || surface->next.state.fullscreen) if (surface->next.state.maximized || surface->next.state.fullscreen)
reconfigure = surface->pending.size.width != wsurface->width || reconfigure = surface->next.size.width != wsurface->width ||
surface->pending.size.height != wsurface->height; surface->next.size.height != wsurface->height;
if (reconfigure) { if (reconfigure) {
weston_desktop_xdg_surface_schedule_configure(surface, true); weston_desktop_xdg_surface_schedule_configure(surface, true);
@ -447,6 +448,7 @@ weston_desktop_xdg_surface_protocol_ack_configure(struct wl_client *wl_client,
return; return;
surface->next.state = surface->pending.state; surface->next.state = surface->pending.state;
surface->next.size = surface->pending.size;
} }
static void static void

6
libweston-desktop/xdg-shell-v6.c
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@ -95,6 +95,7 @@ struct weston_desktop_xdg_toplevel {
} pending; } pending;
struct { struct {
struct weston_desktop_xdg_toplevel_state state; struct weston_desktop_xdg_toplevel_state state;
struct weston_size size;
struct weston_size min_size, max_size; struct weston_size min_size, max_size;
} next; } next;
struct { struct {
@ -424,6 +425,7 @@ static void
weston_desktop_xdg_toplevel_ack_configure(struct weston_desktop_xdg_toplevel *toplevel) weston_desktop_xdg_toplevel_ack_configure(struct weston_desktop_xdg_toplevel *toplevel)
{ {
toplevel->next.state = toplevel->pending.state; toplevel->next.state = toplevel->pending.state;
toplevel->next.size = toplevel->pending.size;
} }
static void static void
@ -626,8 +628,8 @@ weston_desktop_xdg_toplevel_committed(struct weston_desktop_xdg_toplevel *toplev
return; return;
if ((toplevel->next.state.maximized || toplevel->next.state.fullscreen) && if ((toplevel->next.state.maximized || toplevel->next.state.fullscreen) &&
(toplevel->pending.size.width != wsurface->width || (toplevel->next.size.width != wsurface->width ||
toplevel->pending.size.height != wsurface->height)) { toplevel->next.size.height != wsurface->height)) {
struct weston_desktop_client *client = struct weston_desktop_client *client =
weston_desktop_surface_get_client(toplevel->base.desktop_surface); weston_desktop_surface_get_client(toplevel->base.desktop_surface);
struct wl_resource *client_resource = struct wl_resource *client_resource =

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