From 5016004597fd615cc31dffcb42dbe38ea5f41459 Mon Sep 17 00:00:00 2001
From: Cedric BAIL <cedric.bail@free.fr>
Date: Thu, 9 Apr 2009 15:51:32 +0000
Subject: [PATCH] 	* eina_rectangle: Use a mempool to reduce memory
 allocation.

SVN revision: 39909
---
 legacy/eina/src/include/eina_rectangle.h |  3 ++
 legacy/eina/src/lib/eina_main.c          |  3 ++
 legacy/eina/src/lib/eina_rectangle.c     | 57 ++++++++++++++++++++++--
 3 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/legacy/eina/src/include/eina_rectangle.h b/legacy/eina/src/include/eina_rectangle.h
index f5c1ab5f72..e2eb58c9a8 100644
--- a/legacy/eina/src/include/eina_rectangle.h
+++ b/legacy/eina/src/include/eina_rectangle.h
@@ -52,6 +52,9 @@ static inline Eina_Bool eina_rectangle_intersection(Eina_Rectangle *dst, const E
 static inline void eina_rectangle_rescale_in(const Eina_Rectangle *out, const Eina_Rectangle *in, Eina_Rectangle *res) EINA_ARG_NONNULL(1, 2, 3);
 static inline void eina_rectangle_rescale_out(const Eina_Rectangle *out, const Eina_Rectangle *in, Eina_Rectangle *res) EINA_ARG_NONNULL(1, 2, 3);
 
+EAPI int eina_rectangle_init(void);
+EAPI int eina_rectangle_shutdown(void);
+
 EAPI Eina_Rectangle_Pool *eina_rectangle_pool_add(int w, int h) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
 EAPI Eina_Rectangle_Pool *eina_rectangle_pool_get(Eina_Rectangle *rect) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
 EAPI Eina_Bool eina_rectangle_pool_geometry_get(Eina_Rectangle_Pool *pool, int *w, int *h) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
diff --git a/legacy/eina/src/lib/eina_main.c b/legacy/eina/src/lib/eina_main.c
index bacb982247..bb28d233b7 100644
--- a/legacy/eina/src/lib/eina_main.c
+++ b/legacy/eina/src/lib/eina_main.c
@@ -30,6 +30,7 @@
 #include "eina_counter.h"
 #include "eina_benchmark.h"
 #include "eina_magic.h"
+#include "eina_rectangle.h"
 
 /*============================================================================*
  *                                 Global                                     *
@@ -54,6 +55,7 @@ eina_init(void)
    eina_counter_init();
    eina_benchmark_init();
    eina_magic_string_init();
+   eina_rectangle_init();
 
  finish_init:
    return ++_eina_main_count;
@@ -64,6 +66,7 @@ eina_shutdown(void)
 {
    if (_eina_main_count != 1) goto finish_shutdown;
 
+   eina_rectangle_shutdown();
    eina_magic_string_shutdown();
    eina_benchmark_shutdown();
    eina_counter_shutdown();
diff --git a/legacy/eina/src/lib/eina_rectangle.c b/legacy/eina/src/lib/eina_rectangle.c
index 2e93d19276..79524a184d 100644
--- a/legacy/eina/src/lib/eina_rectangle.c
+++ b/legacy/eina/src/lib/eina_rectangle.c
@@ -27,6 +27,7 @@
 #include "eina_inlist.h"
 #include "eina_private.h"
 #include "eina_safety_checks.h"
+#include "eina_mempool.h"
 
 /*============================================================================*
  *                                  Local                                     *
@@ -71,6 +72,9 @@ struct _Eina_Rectangle_Alloc
        EINA_MAGIC_FAIL((d), EINA_RECTANGLE_ALLOC_MAGIC);       \
   } while (0);
 
+static int _eina_rectangle_init_count = 0;
+static Eina_Mempool *_eina_rectangle_mp = NULL;
+
 static inline Eina_Bool
 _eina_rectangle_pool_collide(Eina_Rectangle_Alloc *head, Eina_Rectangle_Alloc *current, Eina_Rectangle *test)
 {
@@ -231,7 +235,8 @@ eina_rectangle_pool_delete(Eina_Rectangle_Pool *pool)
 
 	pool->head = (EINA_INLIST_GET(del))->next;
 
-	MAGIC_FREE(del);
+	EINA_MAGIC_SET(del, EINA_MAGIC_NONE);
+	eina_mempool_free(_eina_rectangle_mp, del);
      }
 
    MAGIC_FREE(pool);
@@ -260,7 +265,8 @@ eina_rectangle_pool_request(Eina_Rectangle_Pool *pool, int w, int h)
    test = _eina_rectangle_pool_find((Eina_Rectangle_Alloc*) pool->head, pool->w, pool->h, w, h, &x, &y);
    if (!test) return NULL;
 
-   new = malloc(sizeof (Eina_Rectangle_Alloc) + sizeof (Eina_Rectangle));
+   new = eina_mempool_alloc(_eina_rectangle_mp,
+			    sizeof (Eina_Rectangle_Alloc) + sizeof (Eina_Rectangle));
    if (!new) return NULL;
 
    rect = (Eina_Rectangle*) (new + 1);
@@ -289,7 +295,8 @@ eina_rectangle_pool_release(Eina_Rectangle *rect)
    era->pool->references--;
    era->pool->head = eina_inlist_remove(era->pool->head, EINA_INLIST_GET(era));
 
-   MAGIC_FREE(era);
+   EINA_MAGIC_SET(era, EINA_MAGIC_NONE);
+   eina_mempool_free(_eina_rectangle_mp, era);
 }
 
 EAPI Eina_Rectangle_Pool *
@@ -337,4 +344,48 @@ eina_rectangle_pool_geometry_get(Eina_Rectangle_Pool *pool, int *w, int *h)
    return EINA_TRUE;
 }
 
+EAPI int
+eina_rectangle_init(void)
+{
+   const char *choice;
+
+   _eina_rectangle_init_count++;
+
+   if (_eina_rectangle_init_count > 1) return _eina_rectangle_init_count;
+
+   eina_error_init();
+   eina_mempool_init();
+
+#ifdef EINA_DEFAULT_MEMPOOL
+   choice = "pass_through";
+#else
+   if (!(choice = getenv("EINA_MEMPOOL")))
+     choice = "chained_mempool";
+#endif
+
+   _eina_rectangle_mp = eina_mempool_new(choice, "rectangle", NULL,
+					 sizeof (Eina_Rectangle_Alloc) + sizeof (Eina_Rectangle), 42);
+   if (!_eina_rectangle_mp)
+     {
+	EINA_ERROR_PERR("ERROR: Mempool for rectangle cannot be allocated in list init.\n");
+	abort();
+     }
+
+   return _eina_rectangle_init_count;
+}
+
+EAPI int
+eina_rectangle_shutdown(void)
+{
+   --_eina_rectangle_init_count;
+
+   if (_eina_rectangle_init_count) return _eina_rectangle_init_count;
+
+   eina_mempool_delete(_eina_rectangle_mp);
+
+   eina_mempool_shutdown();
+   eina_error_shutdown();
+
+   return 0;
+}