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evas/cserve2: Set default LRU size to 4Mb or env-based 

The LRU should not be limited to 0 byte otherwise all scaled
images will be dropped and reloaded constantly, killing the
performance.
The size is inspired from the scalecache's size of 4Mb.

Variable: EVAS_CSERVE2_SIZE (number in Mb)
Signed-off-by: Cedric Bail <cedric.bail@samsung.com>
This commit is contained in:
Jean-Philippe Andre 2013-06-26 16:31:38 +09:00 committed by Cedric Bail
parent 29bf164c75
commit 096a8ece9f
1 changed files with 10 additions and 0 deletions
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10
src/lib/evas/cache2/evas_cache2.c
View File

@ -30,6 +30,9 @@
*/
#define HKEY_LOAD_OPTS_STR_LEN 215
// Default LRU size. If 0, all scaled images will be dropped instantly.
#define DEFAULT_CACHE_LRU_SIZE (4*1024*1024)
static void _evas_cache_image_dirty_add(Image_Entry *im);
static void _evas_cache_image_dirty_del(Image_Entry *im);
static void _evas_cache_image_activ_add(Image_Entry *im);
@ -484,12 +487,19 @@ on_error:
EAPI Evas_Cache2 *
evas_cache2_init(const Evas_Cache2_Image_Func *cb)
{
char *env;
Evas_Cache2 *cache = calloc(1, sizeof(Evas_Cache2));
cache->func = *cb;
cache->activ = eina_hash_string_superfast_new(NULL);
cache->inactiv = eina_hash_string_superfast_new(NULL);
env = getenv("EVAS_CSERVE2_SIZE");
if (env)
cache->limit = atoi(env) * 1024 * 1024;
if (!env || (cache->limit < 0))
cache->limit = DEFAULT_CACHE_LRU_SIZE;
return cache;
}