EAPI int
evas_common_tilebuf_add_motion_vector(Tilebuf *tb, int x, int y, int w, int h, int dx, int dy, int alpha __UNUSED__)
{
#ifdef EVAS_RECT_SPLIT
list_t lr = list_zeroed;
int num;
num = _add_redraw(&lr, tb->outbuf_w, tb->outbuf_h, x, y, w, h);
num += _add_redraw(&lr, tb->outbuf_w, tb->outbuf_h, x + dx, y + dy, w, h);
while (lr.head)
{
list_node_t *node = rect_list_unlink_next(&lr, NULL);
rect_list_add_split_fuzzy_and_merge(&tb->rects, node,
FUZZ * FUZZ, FUZZ * FUZZ);
}
return num;
#else
/* FIXME: need to actually implement motion vectors. for now it just */
/* implements redraws */
int num;
num = evas_common_tilebuf_add_redraw(tb, x, y, w, h);
num += evas_common_tilebuf_add_redraw(tb, x + dx, y + dy, w, h);
return num;
#endif
}
static inline int
_add_redraw(list_t *rects, int max_w, int max_h, int x, int y, int w, int h)
{
rect_node_t *rn;
if ((w <= 0) || (h <= 0)) return 0;
RECTS_CLIP_TO_RECT(x, y, w, h, 0, 0, max_w, max_h);
if ((w <= 0) || (h <= 0)) return 0;
x >>= 1;
y >>= 1;
w += 2;
w >>= 1;
h += 2;
h >>= 1;
rn = (rect_node_t *)rect_list_node_pool_get();
rn->_lst = list_node_zeroed;
rect_init(&rn->rect, x, y, w, h);
//INF("ACCOUNTING: add_redraw: %4d,%4d %3dx%3d", x, y, w, h);
//testing on my core2 duo desktop - fuzz of 32 or 48 is best.
#define FUZZ 32
rect_list_add_split_fuzzy_and_merge(rects, (list_node_t *)rn,
FUZZ * FUZZ, FUZZ * FUZZ);
return 1;
}
static inline int
_add_redraw(list_t *rects, int x, int y, int w, int h)
{
rect_node_t *rn;
/* we dont need to do this fuzz stuff - it actually creates overdraw bugs
* when evas shouldnt draw at all.
x >>= 1;
y >>= 1;
w += 2;
w >>= 1;
h += 2;
h >>= 1;
*/
rn = (rect_node_t *)rect_list_node_pool_get();
rn->_lst = list_node_zeroed;
rect_init(&rn->rect, x, y, w, h);
//INF("ACCOUNTING: add_redraw: %4d,%4d %3dx%3d", x, y, w, h);
//testing on my core2 duo desktop - fuzz of 32 or 48 is best.
#define FUZZ 32
rect_list_add_split_fuzzy_and_merge(rects, (list_node_t *)rn,
FUZZ * FUZZ, FUZZ * FUZZ);
return 1;
}
