3 files changed, 53 insertions, 5 deletions

diff --git a/amiga/gui.c b/amiga/gui.c
index 3dc575cf0..09fc36b6a 100644
--- a/amiga/gui.c
+++ b/amiga/gui.c
@@ -3796,7 +3796,7 @@ gui_window_create(struct browser_window *bw,
 
 	NewList(&g->dllist);
 	g->deferred_rects = NewObjList();
-	g->deferred_rects_pool = CreatePool(MEMF_PRIVATE, sizeof(struct rect), sizeof(struct rect));
+	g->deferred_rects_pool = ami_misc_itempool_create(sizeof(struct rect));
 	g->bw = bw;
 	g->scale = browser_window_get_scale(bw);
 
@@ -4447,7 +4447,7 @@ static void gui_window_destroy(struct gui_window *g)
 
 	ami_free_download_list(&g->dllist);
 	FreeObjList(g->deferred_rects);
-	DeletePool(g->deferred_rects_pool);
+	ami_misc_itempool_delete(g->deferred_rects_pool);
 	gui_window_stop_throbber(g);
 
 	cur_gw = NULL;
@@ -4659,7 +4659,7 @@ static void ami_gui_window_update_box_deferred(struct gui_window *g, bool draw)
 				rect->x0, rect->y0, rect->x1, rect->y1);
 		}
 		nnode=(struct nsObject *)GetSucc((struct Node *)node);
-		FreePooled(g->deferred_rects_pool, node->objstruct, sizeof(struct rect));
+		ami_misc_itempool_free(g->deferred_rects_pool, node->objstruct, sizeof(struct rect));
 		DelObjectNoFree(node);
 	} while((node = nnode));
 
@@ -4693,7 +4693,7 @@ static bool ami_gui_window_update_box_deferred_check(struct MinList *deferred_re
 			(new_rect->x1 >= rect->x1) &&
 			(new_rect->y1 >= rect->y1)) {
 			LOG("Removing queued redraw that is a subset of new box redraw");
-			FreePooled(mempool, node->objstruct, sizeof(struct rect));
+			ami_misc_itempool_free(mempool, node->objstruct, sizeof(struct rect));
 			DelObjectNoFree(node);
 			/* Don't return - we might find more */
 		}
@@ -4710,7 +4710,7 @@ static void gui_window_update_box(struct gui_window *g, const struct rect *rect)
 	
 	if(ami_gui_window_update_box_deferred_check(g->deferred_rects, rect,
 			g->deferred_rects_pool)) {
-		deferred_rect = AllocPooled(g->deferred_rects_pool, sizeof(struct rect));
+		deferred_rect = ami_misc_itempool_alloc(g->deferred_rects_pool, sizeof(struct rect));
 		CopyMem(rect, deferred_rect, sizeof(struct rect));
 		nsobj = AddObject(g->deferred_rects, AMINS_RECT);
 		nsobj->objstruct = deferred_rect;
diff --git a/amiga/misc.c b/amiga/misc.c
index 141994a31..065909e85 100755
--- a/amiga/misc.c
+++ b/amiga/misc.c
@@ -47,6 +47,47 @@ void *ami_misc_allocvec_clear(int size, UBYTE value)
 #endif
 }
 
+APTR ami_misc_itempool_create(int size)
+{
+#ifdef __amigaos4__
+	return AllocSysObjectTags(ASOT_ITEMPOOL,
+		ASOITEM_MFlags, MEMF_PRIVATE,
+		ASOITEM_ItemSize, size,
+		ASOITEM_GCPolicy, ITEMGC_AFTERCOUNT,
+		ASOITEM_GCParameter, 50,
+		TAG_DONE);
+#else
+	return CreatePool(MEMF_ANY, 2 * size, size);
+#endif
+}
+
+void ami_misc_itempool_delete(APTR pool)
+{
+#ifdef __amigaos4__
+	FreeSysObject(ASOT_ITEMPOOL, pool);
+#else
+	DeletePool(pool);
+#endif
+}
+
+APTR ami_misc_itempool_alloc(APTR pool, int size)
+{
+#ifdef __amigaos4__
+	return ItemPoolAlloc(pool);
+#else
+	return AllocPooled(pool, size);
+#endif
+}
+
+void ami_misc_itempool_free(APTR pool, APTR item, int size)
+{
+#ifdef __amigaos4__
+	return ItemPoolFree(pool, item);
+#else
+	return FreePooled(pool, item, size);
+#endif
+}
+
 static LONG ami_misc_req(const char *message, uint32 type)
 {
 	LONG ret = 0;
diff --git a/amiga/misc.h b/amiga/misc.h
index 66a6f1d11..2544c7731 100644
--- a/amiga/misc.h
+++ b/amiga/misc.h
@@ -24,6 +24,13 @@ extern struct gui_file_table *amiga_file_table;
 struct Window;
 
 void *ami_misc_allocvec_clear(int size, UBYTE value);
+
+/* Itempool cross-compatibility */
+APTR ami_misc_itempool_create(int size);
+void ami_misc_itempool_delete(APTR pool);
+APTR ami_misc_itempool_alloc(APTR pool, int size);
+void ami_misc_itempool_free(APTR pool, APTR item, int size);
+
 char *translate_escape_chars(const char *s);
 void ami_misc_fatal_error(const char *message);
 int32 ami_warn_user_multi(const char *body,