[PATCH RFC 04/14] Pass surface directly to display_channel_surface_unref

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/display-channel.c | 23 ++++++++++++++---------
 server/display-channel.h |  2 +-
 server/red-worker.c      |  2 +-
 3 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/server/display-channel.c b/server/display-channel.c
index 5e9bc7d..5cdd0cb 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -169,9 +169,8 @@ static void stop_streams(DisplayChannel *display)
     memset(display->priv->items_trace, 0, sizeof(display->priv->items_trace));
 }
 
-void display_channel_surface_unref(DisplayChannel *display, uint32_t surface_id)
+static void display_channel_surface_unref(DisplayChannel *display, RedSurface *surface)
 {
-    RedSurface *surface = &display->priv->surfaces[surface_id];
     QXLInstance *qxl = display->common.qxl;
     DisplayChannelClient *dcc;
     GListIter iter;
@@ -182,7 +181,7 @@ void display_channel_surface_unref(DisplayChannel *display, uint32_t surface_id)
     }
 
     // only primary surface streams are supported
-    if (is_primary_surface(display, surface_id)) {
+    if (is_primary_surface(display, surface->id)) {
         stop_streams(display);
     }
     spice_assert(surface->context.canvas);
@@ -198,7 +197,7 @@ void display_channel_surface_unref(DisplayChannel *display, uint32_t surface_id)
     region_destroy(&surface->draw_dirty_region);
     surface->context.canvas = NULL;
     FOREACH_DCC(display, iter, dcc) {
-        dcc_destroy_surface(dcc, surface_id);
+        dcc_destroy_surface(dcc, surface->id);
     }
 
     spice_warn_if_fail(ring_is_empty(&surface->depend_on_me));
@@ -211,6 +210,11 @@ gboolean display_channel_surface_has_canvas(DisplayChannel *display,
     return display->priv->surfaces[surface_id].context.canvas != NULL;
 }
 
+void display_channel_surface_id_unref(DisplayChannel *display, uint32_t surface_id)
+{
+    display_channel_surface_unref(display, &display->priv->surfaces[surface_id]);
+}
+
 static void streams_update_visible_region(DisplayChannel *display, Drawable *drawable)
 {
     Ring *ring;
@@ -1333,7 +1337,7 @@ static void drawable_unref_surface_deps(DisplayChannel *display, Drawable *drawa
         if (surface == NULL) {
             continue;
         }
-        display_channel_surface_unref(display, surface->id);
+        display_channel_surface_unref(display, surface);
     }
 }
 
@@ -1354,7 +1358,7 @@ void drawable_unref(Drawable *drawable)
 
     drawable_remove_dependencies(display, drawable);
     drawable_unref_surface_deps(display, drawable);
-    display_channel_surface_unref(display, drawable->surface->id);
+    display_channel_surface_unref(display, drawable->surface);
 
     glz_retention_detach_drawables(&drawable->glz_retention);
 
@@ -1709,13 +1713,14 @@ static void clear_surface_drawables_from_pipes(DisplayChannel *display, int surf
 /* TODO: cleanup/refactor destroy functions */
 static void display_channel_destroy_surface(DisplayChannel *display, uint32_t surface_id)
 {
+    RedSurface *surface = &display->priv->surfaces[surface_id];
     draw_depend_on_me(display, surface_id);
     /* note that draw_depend_on_me must be called before current_remove_all.
        otherwise "current" will hold items that other drawables may depend on, and then
        current_remove_all will remove them from the pipe. */
-    current_remove_all(display, &display->priv->surfaces[surface_id]);
+    current_remove_all(display, surface);
     clear_surface_drawables_from_pipes(display, surface_id, FALSE);
-    display_channel_surface_unref(display, surface_id);
+    display_channel_surface_unref(display, surface);
 }
 
 void display_channel_destroy_surface_wait(DisplayChannel *display, uint32_t surface_id)
@@ -1745,7 +1750,7 @@ void display_channel_destroy_surfaces(DisplayChannel *display)
         if (display->priv->surfaces[i].context.canvas) {
             display_channel_destroy_surface_wait(display, i);
             if (display->priv->surfaces[i].context.canvas) {
-                display_channel_surface_unref(display, i);
+                display_channel_surface_unref(display, &display->priv->surfaces[i]);
             }
             spice_assert(!display->priv->surfaces[i].context.canvas);
         }
diff --git a/server/display-channel.h b/server/display-channel.h
index 8918ccb..a425364 100644
--- a/server/display-channel.h
+++ b/server/display-channel.h
@@ -266,7 +266,7 @@ void                       display_channel_set_video_codecs          (DisplayCha
 int                        display_channel_get_streams_timeout       (DisplayChannel *display);
 void                       display_channel_compress_stats_print      (const DisplayChannel *display);
 void                       display_channel_compress_stats_reset      (DisplayChannel *display);
-void                       display_channel_surface_unref             (DisplayChannel *display,
+void                       display_channel_surface_id_unref          (DisplayChannel *display,
                                                                       uint32_t surface_id);
 void                       display_channel_current_flush             (DisplayChannel *display,
                                                                       int surface_id);
diff --git a/server/red-worker.c b/server/red-worker.c
index b3f6c12..7252487 100644
--- a/server/red-worker.c
+++ b/server/red-worker.c
@@ -670,7 +670,7 @@ static void destroy_primary_surface(RedWorker *worker, uint32_t surface_id)
 
     flush_all_qxl_commands(worker);
     display_channel_destroy_surface_wait(display, 0);
-    display_channel_surface_unref(display, 0);
+    display_channel_surface_id_unref(display, 0);
 
     /* FIXME: accessing private data only for warning purposes...
     spice_warn_if_fail(ring_is_empty(&display->streams));
-- 
2.7.4

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