Changeset ea15a89a in mainline for uspace/srv/hid/compositor/compositor.c

Timestamp:

2013-04-29T14:26:22Z (11 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

533e2d7, 94dfb92

Parents:

b2fa2d86 (diff), 9e7898e (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes

File:

• uspace/srv/hid/compositor/compositor.c (modified) (17 diffs)

uspace/srv/hid/compositor/compositor.c

@@ -90 +90 @@
 typedef struct {
         link_t link;
+        atomic_t ref_cnt;
         service_id_t in_dsid;
         service_id_t out_dsid;
@@ -138 +139 @@
 } viewport_t;
 
+static desktop_rect_t viewport_bound_rect;
 static FIBRIL_MUTEX_INITIALIZE(viewport_list_mtx);
 static LIST_INITIALIZE(viewport_list);
@@ -215 +217 @@
 
         link_initialize(&win->link);
+        atomic_set(&win->ref_cnt, 0);
         prodcons_initialize(&win->queue);
         transform_identity(&win->transform);
@@ -232 +235 @@
 static void window_destroy(window_t *win)
 {
-        if (win) {
+        if (win && atomic_get(&win->ref_cnt) == 0) {
+                while (!list_empty(&win->queue.list)) {
+                        window_event_t *event = (window_event_t *) list_first(&win->queue.list);
+                        list_remove(&event->link);
+                        free(event);
+                }
+
                 if (win->surface) {
                         surface_destroy(win->surface);
@@ -310 +319 @@
 }
 
+static void comp_restrict_pointers(void)
+{
+        fibril_mutex_lock(&viewport_list_mtx);
+
+        sysarg_t x_res = coord_origin;
+        sysarg_t y_res = coord_origin;
+        sysarg_t w_res = 0;
+        sysarg_t h_res = 0;
+
+        if (!list_empty(&viewport_list)) {
+                viewport_t *vp = (viewport_t *) list_first(&viewport_list);
+                x_res = vp->pos.x;
+                y_res = vp->pos.y;
+                surface_get_resolution(vp->surface, &w_res, &h_res);
+        }
+
+        list_foreach(viewport_list, link) {
+                viewport_t *vp = list_get_instance(link, viewport_t, link);
+                sysarg_t w_vp, h_vp;
+                surface_get_resolution(vp->surface, &w_vp, &h_vp);
+                rectangle_union(
+                    x_res, y_res, w_res, h_res,
+                    vp->pos.x, vp->pos.y, w_vp, h_vp,
+                    &x_res, &y_res, &w_res, &h_res);
+        }
+
+        viewport_bound_rect.x = x_res;
+        viewport_bound_rect.y = y_res;
+        viewport_bound_rect.w = w_res;
+        viewport_bound_rect.h = h_res;
+
+        fibril_mutex_unlock(&viewport_list_mtx);
+
+        fibril_mutex_lock(&pointer_list_mtx);
+
+        list_foreach(pointer_list, link) {
+                pointer_t *ptr = list_get_instance(link, pointer_t, link);
+                ptr->pos.x = ptr->pos.x > viewport_bound_rect.x ? ptr->pos.x : viewport_bound_rect.x;
+                ptr->pos.y = ptr->pos.y > viewport_bound_rect.y ? ptr->pos.y : viewport_bound_rect.y;
+                ptr->pos.x = ptr->pos.x < viewport_bound_rect.x + viewport_bound_rect.w ?
+                    ptr->pos.x : viewport_bound_rect.x + viewport_bound_rect.w;
+                ptr->pos.y = ptr->pos.y < viewport_bound_rect.y + viewport_bound_rect.h ?
+                    ptr->pos.y : viewport_bound_rect.y + viewport_bound_rect.h;
+        }
+
+        fibril_mutex_unlock(&pointer_list_mtx);
+}
+
 static void comp_damage(sysarg_t x_dmg_glob, sysarg_t y_dmg_glob,
     sysarg_t w_dmg_glob, sysarg_t h_dmg_glob)
@@ -695 +752 @@
         }
 
+        loc_service_unregister(win->in_dsid);
+        loc_service_unregister(win->out_dsid);
+
+        /* In case the client was killed, input fibril of the window might be
+         * still blocked on the condition within comp_window_get_event. */
+        window_event_t *event_dummy = (window_event_t *) malloc(sizeof(window_event_t));
+        if (event_dummy) {
+                link_initialize(&event_dummy->link);
+                prodcons_produce(&win->queue, &event_dummy->link);
+        }
+
         /* Calculate damage. */
         sysarg_t x = 0;
@@ -706 +774 @@
         }
 
-        /* Release window resources. */
-        loc_service_unregister(win->in_dsid);
-        loc_service_unregister(win->out_dsid);
-        while (!list_empty(&win->queue.list)) {
-                list_remove(list_first(&win->queue.list));
-        }
-        window_destroy(win);
-
         comp_damage(x, y, width, height);
 
@@ -813 +873 @@
 
         if (win) {
+                atomic_inc(&win->ref_cnt);
                 async_answer_0(iid, EOK);
         } else {
@@ -825 +886 @@
 
                         if (!IPC_GET_IMETHOD(call)) {
-                                async_answer_0(callid, EINVAL);
+                                async_answer_0(callid, EOK);
+                                atomic_dec(&win->ref_cnt);
+                                window_destroy(win);
                                 return;
                         }
@@ -842 +905 @@
 
                         if (!IPC_GET_IMETHOD(call)) {
-                                async_answer_0(callid, EINVAL);
+                                comp_window_close(win, callid, &call);
+                                atomic_dec(&win->ref_cnt);
+                                window_destroy(win);
                                 return;
                         }
@@ -857 +922 @@
                                 break;
                         case WINDOW_CLOSE:
-                                comp_window_close(win, callid, &call);
+                                /* Postpone the closing until the phone is hung up to cover
+                                 * the case when the client is killed abruptly. */
+                                async_answer_0(callid, EOK);
                                 break;
                         case WINDOW_CLOSE_REQUEST:
@@ -911 +978 @@
         async_answer_0(iid, EOK);
 
+        comp_restrict_pointers();
         comp_damage(0, 0, UINT32_MAX, UINT32_MAX);
 }
@@ -956 +1024 @@
                 fibril_mutex_unlock(&viewport_list_mtx);
                 async_answer_0(iid, EOK);
+
+                comp_restrict_pointers();
+                comp_damage(0, 0, UINT32_MAX, UINT32_MAX);
         }
 }
@@ -1391 +1462 @@
         surface_get_resolution(pointer->cursor.states[pointer->state], 
              &cursor_width, &cursor_height);
+        if (pointer->pos.x + dx < viewport_bound_rect.x) {
+                dx = -1 * (pointer->pos.x - viewport_bound_rect.x);
+        }
+        if (pointer->pos.y + dy < viewport_bound_rect.y) {
+                dy = -1 * (pointer->pos.y - viewport_bound_rect.y);
+        }
+        if (pointer->pos.x + dx > viewport_bound_rect.x + viewport_bound_rect.w) {
+                dx = (viewport_bound_rect.x + viewport_bound_rect.w - pointer->pos.x);
+        }
+        if (pointer->pos.y + dy > viewport_bound_rect.y + viewport_bound_rect.h) {
+                dy = (viewport_bound_rect.y + viewport_bound_rect.h - pointer->pos.y);
+        }
         pointer->pos.x += dx;
         pointer->pos.y += dy;
@@ -1910 +1993 @@
                         fibril_mutex_unlock(&viewport_list_mtx);
 
+                        comp_restrict_pointers();
                         comp_damage(x, y, width, height);
                 } else {
@@ -1962 +2046 @@
                 }
                 list_prepend(&blue_win->link, &window_list);
-
-                window_t *helenos_win = window_create(0, 0);
-                helenos_win->surface = decode_tga((void *) helenos_tga, helenos_tga_size, 0);
-                list_prepend(&helenos_win->link, &window_list);
-
+                
                 window_t *nameic_win = window_create(0, 0);
                 nameic_win->surface = decode_tga((void *) nameic_tga, nameic_tga_size, 0);
@@ -2126 +2206 @@
                 return -1;
         }
-        
+
+        comp_restrict_pointers();
         comp_damage(0, 0, UINT32_MAX, UINT32_MAX);