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
}
EAPI int
evas_common_tilebuf_add_redraw(Tilebuf *tb, int x, int y, int w, int h)
{
#ifdef RECTUPDATE
int i;
if ((w <= 0) || (h <= 0)) return 0;
RECTS_CLIP_TO_RECT(x, y, w, h, 0, 0, tb->outbuf_w, tb->outbuf_h);
if ((w <= 0) || (h <= 0)) return 0;
for (i = 0; i < h; i++)
evas_common_regionbuf_span_add(tb->rb, x, x + w - 1, y + i);
return 1;
#elif defined(EVAS_RECT_SPLIT)
return _add_redraw(&tb->rects, tb->outbuf_w, tb->outbuf_h, x, y, w, h);
#else
int tx1, tx2, ty1, ty2, tfx1, tfx2, tfy1, tfy2, xx, yy;
int num;
if ((w <= 0) || (h <= 0)) return 0;
RECTS_CLIP_TO_RECT(x, y, w, h, 0, 0, tb->outbuf_w, tb->outbuf_h);
if ((w <= 0) || (h <= 0)) return 0;
num = 0;
/* wipes out any motion vectors in tiles it touches into redraws */
if (tilebuf_x_intersect(tb, x, w, &tx1, &tx2, &tfx1, &tfx2) &&
tilebuf_y_intersect(tb, y, h, &ty1, &ty2, &tfy1, &tfy2))
{
Tilebuf_Tile *tbt;
int delta_x;
int delta_y;
tbt = &(TILE(tb, tx1, ty1));
delta_x = tx2 - tx1 + 1;
delta_y = ty2 - ty1 + 1;
for (yy = delta_y; yy > 0; yy--)
{
Tilebuf_Tile *tbti;
tbti = tbt;
for (xx = delta_x; xx > 0; xx--)
{
tbti->redraw = 1;
tbti++;
}
tbt += tb->tiles.w;
}
num = (tx2 - tx1 + 1) * (ty2 - ty1 + 1);
}
return num;
#endif
}
EAPI int
evas_common_tilebuf_add_redraw(Tilebuf *tb, int x, int y, int w, int h)
{
#ifdef RECTUPDATE
/*
int i;
if ((w <= 0) || (h <= 0)) return 0;
RECTS_CLIP_TO_RECT(x, y, w, h, 0, 0, tb->outbuf_w, tb->outbuf_h);
if ((w <= 0) || (h <= 0)) return 0;
for (i = 0; i < h; i++)
evas_common_regionbuf_span_add(tb->rb, x, x + w - 1, y + i);
return 1;
*/
#elif defined(EVAS_RECT_SPLIT)
if ((w <= 0) || (h <= 0)) return 0;
RECTS_CLIP_TO_RECT(x, y, w, h, 0, 0, tb->outbuf_w, tb->outbuf_h);
if ((w <= 0) || (h <= 0)) return 0;
// optimize a common case -> adding the exact same rect 2x in a row
if ((tb->prev_add.x == x) && (tb->prev_add.y == y) &&
(tb->prev_add.w == w) && (tb->prev_add.h == h)) return 1;
tb->prev_add.x = x; tb->prev_add.y = y;
tb->prev_add.w = w; tb->prev_add.h = h;
tb->prev_del.w = 0; tb->prev_del.h = 0;
return _add_redraw(&tb->rects, x, y, w, h);
#else
/*
int tx1, tx2, ty1, ty2, tfx1, tfx2, tfy1, tfy2, xx, yy;
int num;
if ((w <= 0) || (h <= 0)) return 0;
RECTS_CLIP_TO_RECT(x, y, w, h, 0, 0, tb->outbuf_w, tb->outbuf_h);
if ((w <= 0) || (h <= 0)) return 0;
num = 0;
// wipes out any motion vectors in tiles it touches into redraws
if (tilebuf_x_intersect(tb, x, w, &tx1, &tx2, &tfx1, &tfx2) &&
tilebuf_y_intersect(tb, y, h, &ty1, &ty2, &tfy1, &tfy2))
{
Tilebuf_Tile *tbt;
int delta_x;
int delta_y;
tbt = &(TILE(tb, tx1, ty1));
delta_x = tx2 - tx1 + 1;
delta_y = ty2 - ty1 + 1;
for (yy = delta_y; yy > 0; yy--)
{
Tilebuf_Tile *tbti;
tbti = tbt;
for (xx = delta_x; xx > 0; xx--)
{
tbti->redraw = 1;
tbti++;
}
tbt += tb->tiles.w;
}
num = (tx2 - tx1 + 1) * (ty2 - ty1 + 1);
}
return num;
*/
#endif
}
