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mir: fix mir surface recreation on resize, bind and update pointers

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don't try to read from free'd memory allocation, copy stuff before
deinitializing the old onscreen.

Also, don't try to resize a foreign surface.
This commit is contained in:
Marco Trevisan (Treviño) 2014-12-09 20:22:53 +01:00
parent a9a923c6f3
commit 7c71a06936
1 changed files with 22 additions and 6 deletions
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28
cogl/winsys/cogl-winsys-egl-mir.c
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@ -638,17 +638,33 @@ mir_surface_recreate (CoglOnscreen *onscreen)
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
CoglOnscreenMir *mir_onscreen = egl_onscreen->platform;
const CoglWinsysVtable *winsys = _cogl_framebuffer_get_winsys (framebuffer);
MirSurfaceState last_state, current_state;
int w, h;
g_mutex_lock (&mir_onscreen->mir_event_lock);
mir_onscreen->requested_resize = FALSE;
w = mir_onscreen->requested_width;
h = mir_onscreen->requested_height;
last_state = mir_onscreen->last_state;
current_state = mir_surface_get_state (mir_onscreen->mir_surface);
g_mutex_unlock (&mir_onscreen->mir_event_lock);
winsys->onscreen_deinit (onscreen);
_cogl_framebuffer_winsys_update_size (framebuffer,
mir_onscreen->requested_width,
mir_onscreen->requested_height);
_cogl_framebuffer_winsys_update_size (framebuffer, w, h);
winsys->onscreen_init (onscreen, NULL);
_cogl_onscreen_notify_resize (onscreen);
winsys->onscreen_bind (onscreen);
mir_onscreen->requested_resize = FALSE;
egl_onscreen = onscreen->winsys;
mir_onscreen = egl_onscreen->platform;
g_mutex_lock (&mir_onscreen->mir_event_lock);
mir_onscreen->last_state = last_state;
mir_surface_set_state (mir_onscreen->mir_surface, current_state);
_cogl_onscreen_queue_full_dirty (onscreen);
_cogl_onscreen_notify_resize (onscreen);
g_mutex_unlock (&mir_onscreen->mir_event_lock);
}
static void
@ -763,7 +779,7 @@ cogl_mir_onscreen_resize (CoglOnscreen *onscreen,
_cogl_framebuffer_winsys_update_size (framebuffer, width, height);
_cogl_onscreen_notify_resize (onscreen);
}
else
else if (!onscreen->foreign_surface)
{
egl_onscreen = onscreen->winsys;
mir_onscreen = egl_onscreen->platform;