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Add a swapper_buffer_idle_flush function to loop the Wl_Buffer 

structures inside the swapper and release memory of any invalid ones.

Signed-off-by: Christopher Michael <cp.michael@samsung.com>

SVN revision: 83283
This commit is contained in:
Christopher Michael 2013-01-24 09:21:18 +00:00 committed by Christopher Michael
parent 913d0cd170
commit fd2c68dbf2
1 changed files with 38 additions and 2 deletions
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40
src/modules/evas/engines/wayland_shm/evas_swapper.c
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@ -172,6 +172,27 @@ evas_swapper_buffer_state_get(Wl_Swapper *ws)
return MODE_FULL;
}
void
evas_swapper_buffer_idle_flush(Wl_Swapper *ws)
{
int i = 0;
/* check for valid swapper */
if (!ws) return;
/* loop the swapper's buffers and free them */
for (i = 0; i < ws->buff_num; i++)
{
Wl_Buffer *wb = NULL;
/* try to get out Wl_Buffer struct */
if (!(wb = (&(ws->buff[i])))) continue;
/* if this buffer is not valid, then unmap data */
if (!wb->valid) _evas_swapper_buffer_free(wb);
}
}
/* local functions */
static Eina_Bool
_evas_swapper_buffer_new(Wl_Swapper *ws, Wl_Buffer *wb)
@ -184,7 +205,7 @@ _evas_swapper_buffer_new(Wl_Swapper *ws, Wl_Buffer *wb)
size_t size;
/* make sure swapper has a shm */
if (!ws->shm) return;
if (!ws->shm) return EINA_FALSE;
wb->w = ws->w;
wb->h = ws->h;
@ -265,9 +286,11 @@ _evas_swapper_buffer_free(Wl_Buffer *wb)
/* kill the wl_buffer */
if (wb->buffer) wl_buffer_destroy(wb->buffer);
wb->buffer = NULL;
/* unmap the buffer data */
munmap(wb->data, wb->size);
if (wb->data) munmap(wb->data, wb->size);
wb->data = NULL;
}
static void
@ -281,6 +304,17 @@ _evas_swapper_buffer_put(Wl_Swapper *ws, Wl_Buffer *wb, Eina_Rectangle *rects, u
/* make sure swapper has a surface */
if (!ws->surface) return;
/* check for valid buffer */
if (!wb) return;
/* make sure buffer has mapped data */
if (!wb->data)
{
/* call function to mmap buffer data */
if (!_evas_swapper_buffer_new(ws, wb))
return;
}
rect = eina_rectangle_new(0, 0, 0, 0);
if (rects)
{
@ -307,6 +341,8 @@ _evas_swapper_buffer_put(Wl_Swapper *ws, Wl_Buffer *wb, Eina_Rectangle *rects, u
/* surface commit */
wl_surface_commit(ws->surface);
wb->valid = EINA_TRUE;
}
static void