[PATCH 05/20] dcc: use PipeItem refcounting for ImageItem

[Jonathon Jongsma <jjongsma@xxxxxxxxxx>]

Since the base class now implements refcounting, there's no need to
re-invent it here.
---
 server/dcc-send.c        |  4 ++--
 server/dcc.c             | 19 +++++--------------
 server/dcc.h             |  3 +--
 server/display-channel.c |  2 +-
 4 files changed, 9 insertions(+), 19 deletions(-)

diff --git a/server/dcc-send.c b/server/dcc-send.c
index eb866cf..b8d1157 100644
--- a/server/dcc-send.c
+++ b/server/dcc-send.c
@@ -728,7 +728,7 @@ static void red_pipe_replace_rendered_drawables_with_images(DisplayChannelClient
 
         spice_assert(image);
         red_channel_client_pipe_remove_and_release(RED_CHANNEL_CLIENT(dcc), &dpi->dpi_pipe_item);
-        pipe_item = &image->link;
+        pipe_item = &image->base;
     }
 }
 
@@ -1949,7 +1949,7 @@ static void red_marshall_image(RedChannelClient *rcc, SpiceMarshaller *m, ImageI
     chunks = spice_chunks_new_linear(item->data, bitmap.stride * bitmap.y);
     bitmap.data = chunks;
 
-    red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_DRAW_COPY, &item->link);
+    red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_DRAW_COPY, &item->base);
 
     copy.base.surface_id = item->surface_id;
     copy.base.box.left = item->pos.x;
diff --git a/server/dcc.c b/server/dcc.c
index c952042..4e450b5 100644
--- a/server/dcc.c
+++ b/server/dcc.c
@@ -184,9 +184,8 @@ ImageItem *dcc_add_surface_area_image(DisplayChannelClient *dcc, int surface_id,
 
     item = (ImageItem *)spice_malloc_n_m(height, stride, sizeof(ImageItem));
 
-    pipe_item_init(&item->link, PIPE_ITEM_TYPE_IMAGE);
+    pipe_item_init(&item->base, PIPE_ITEM_TYPE_IMAGE);
 
-    item->refs = 1;
     item->surface_id = surface_id;
     item->image_format =
         spice_bitmap_from_surface_type(surface->context.format);
@@ -214,9 +213,9 @@ ImageItem *dcc_add_surface_area_image(DisplayChannelClient *dcc, int surface_id,
     }
 
     if (pos) {
-        red_channel_client_pipe_add_after(RED_CHANNEL_CLIENT(dcc), &item->link, pos);
+        red_channel_client_pipe_add_after(RED_CHANNEL_CLIENT(dcc), &item->base, pos);
     } else {
-        red_channel_client_pipe_add(RED_CHANNEL_CLIENT(dcc), &item->link);
+        red_channel_client_pipe_add(RED_CHANNEL_CLIENT(dcc), &item->base);
     }
 
     return item;
@@ -1591,14 +1590,6 @@ int dcc_handle_migrate_data(DisplayChannelClient *dcc, uint32_t size, void *mess
     return TRUE;
 }
 
-static void image_item_unref(ImageItem *item)
-{
-    if (--item->refs != 0)
-        return;
-
-    free(item);
-}
-
 static void upgrade_item_unref(DisplayChannel *display, UpgradeItem *item)
 {
     if (--item->refs != 0)
@@ -1624,7 +1615,7 @@ static void release_item_after_push(DisplayChannelClient *dcc, PipeItem *item)
         upgrade_item_unref(display, (UpgradeItem *)item);
         break;
     case PIPE_ITEM_TYPE_IMAGE:
-        image_item_unref((ImageItem *)item);
+        pipe_item_unref(item);
         break;
     case PIPE_ITEM_TYPE_GL_SCANOUT:
     case PIPE_ITEM_TYPE_GL_DRAW:
@@ -1674,7 +1665,7 @@ static void release_item_before_push(DisplayChannelClient *dcc, PipeItem *item)
         upgrade_item_unref(display, (UpgradeItem *)item);
         break;
     case PIPE_ITEM_TYPE_IMAGE:
-        image_item_unref((ImageItem *)item);
+        pipe_item_unref(item);
         break;
     case PIPE_ITEM_TYPE_CREATE_SURFACE: {
         SurfaceCreateItem *surface_create = SPICE_CONTAINEROF(item, SurfaceCreateItem,
diff --git a/server/dcc.h b/server/dcc.h
index 071a9fc..3d7870b 100644
--- a/server/dcc.h
+++ b/server/dcc.h
@@ -136,8 +136,7 @@ typedef struct GlDrawItem {
 } GlDrawItem;
 
 typedef struct ImageItem {
-    PipeItem link;
-    int refs;
+    PipeItem base;
     SpicePoint pos;
     int width;
     int height;
diff --git a/server/display-channel.c b/server/display-channel.c
index a6d90cf..ac10724 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -1980,7 +1980,7 @@ static void hold_item(RedChannelClient *rcc, PipeItem *item)
         ((UpgradeItem *)item)->refs++;
         break;
     case PIPE_ITEM_TYPE_IMAGE:
-        ((ImageItem *)item)->refs++;
+        pipe_item_ref(item);
         break;
     default:
         spice_warn_if_reached();
-- 
2.4.11

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