efl/src/lib/evas/common/evas_tiler.c

1089 lines
28 KiB
C

#include "evas_common_private.h"
#include "region.h"
#ifdef NEWTILER
#define MAXREG 24
EAPI void
evas_common_tilebuf_init(void)
{
}
EAPI Tilebuf *
evas_common_tilebuf_new(int w, int h)
{
Tilebuf *tb = malloc(sizeof(Tilebuf));
tb->outbuf_w = w;
tb->outbuf_h = h;
tb->region = region_new(tb->outbuf_w, tb->outbuf_h);
return tb;
}
EAPI void
evas_common_tilebuf_free(Tilebuf *tb)
{
region_free(tb->region);
free(tb);
}
EAPI void
evas_common_tilebuf_set_tile_size(Tilebuf *tb EINA_UNUSED, int tw EINA_UNUSED, int th EINA_UNUSED)
{
}
EAPI void
evas_common_tilebuf_get_tile_size(Tilebuf *tb EINA_UNUSED, int *tw, int *th)
{
if (tw) *tw = 1;
if (th) *th = 1;
}
EAPI void
evas_common_tilebuf_tile_strict_set(Tilebuf *tb EINA_UNUSED, Eina_Bool strict EINA_UNUSED)
{
}
EAPI int
evas_common_tilebuf_add_redraw(Tilebuf *tb, int x, int y, int w, int h)
{
region_rect_add(tb->region, x, y, w, h);
return 1;
}
EAPI int
evas_common_tilebuf_del_redraw(Tilebuf *tb, int x, int y, int w, int h)
{
region_rect_del(tb->region, x, y, w, h);
return 1;
}
EAPI int
evas_common_tilebuf_add_motion_vector(Tilebuf *tb EINA_UNUSED, int x EINA_UNUSED, int y EINA_UNUSED, int w EINA_UNUSED, int h EINA_UNUSED, int dx EINA_UNUSED, int dy EINA_UNUSED, int alpha EINA_UNUSED)
{
return 0;
}
EAPI void
evas_common_tilebuf_clear(Tilebuf *tb)
{
region_free(tb->region);
tb->region = region_new(tb->outbuf_w, tb->outbuf_h);
}
static Region *
_region_round(Region *region, int tsize)
{
Region *region2;
Box *rects;
int num, i, w, h;
region_size_get(region, &w, &h);
region2 = region_new(w, h);
rects = region_rects(region);
num = region_rects_num(region);
for (i = 0; i < num; i++)
{
int x1, y1, x2, y2;
x1 = (rects[i].x1 / tsize) * tsize;
y1 = (rects[i].y1 / tsize) * tsize;
x2 = ((rects[i].x2 + tsize - 1) / tsize) * tsize;
y2 = ((rects[i].y2 + tsize - 1) / tsize) * tsize;
region_rect_add(region2, x1, y1, x2 - x1, y2 - y1);
}
return region2;
}
EAPI Tilebuf_Rect *
evas_common_tilebuf_get_render_rects(Tilebuf *tb)
{
Tilebuf_Rect *rects = NULL, *r, *rend, *rbuf;
Region *region2;
Box *rects2, *rs;
int n, num, minx, miny, maxx, maxy;
region2 = _region_round(tb->region, 16);
if (!region2) return NULL;
rects2 = region_rects(region2);
if (!rects2)
{
region_free(region2);
return NULL;
}
n = region_rects_num(region2);
if (n <= 0)
{
region_free(region2);
return NULL;
}
rbuf = malloc(n * sizeof(Tilebuf_Rect));
if (!rbuf)
{
region_free(region2);
return NULL;
}
rend = rbuf + n;
rs = rects2;
num = 0;
minx = rs->x1;
miny = rs->y1;
maxx = rs->x2;
maxy = rs->y2;
for (r = rbuf; r < rend; r++)
{
if (rs->x1 < minx) minx = rs->x1;
if (rs->y1 < miny) miny = rs->y1;
if (rs->x2 > maxx) maxx = rs->x2;
if (rs->y2 > maxy) maxy = rs->y2;
EINA_INLIST_GET(r)->next = NULL;
EINA_INLIST_GET(r)->prev = NULL;
EINA_INLIST_GET(r)->last = NULL;
r->x = rs->x1;
r->y = rs->y1;
r->w = rs->x2 - rs->x1;
r->h = rs->y2 - rs->y1;
rs++;
rects = (Tilebuf_Rect *)
eina_inlist_append(EINA_INLIST_GET(rects),
EINA_INLIST_GET(r));
num++;
}
// if > max, then bounding box
if (num > MAXREG)
{
r = rects;
EINA_INLIST_GET(r)->next = NULL;
EINA_INLIST_GET(r)->prev = NULL;
EINA_INLIST_GET(r)->last = NULL;
r->x = minx;
r->y = miny;
r->w = maxx - minx;
r->h = maxy - miny;
}
region_free(region2);
return rects;
}
EAPI void
evas_common_tilebuf_free_render_rects(Tilebuf_Rect *rects)
{
free(rects);
}
#else
#define FUZZ 32
#define MAXREG 24
#define MAX_NODES 1024
static inline void rect_list_node_pool_flush(void);
static inline list_node_t *rect_list_node_pool_get(void);
static inline void rect_list_node_pool_put(list_node_t *node);
static inline void rect_init(rect_t *r, int x, int y, int w, int h);
static inline void rect_list_append_node(list_t *rects, list_node_t *node);
static inline void rect_list_append(list_t *rects, const rect_t r);
static inline void rect_list_append_xywh(list_t *rects, int x, int y, int w, int h);
static inline void rect_list_concat(list_t *rects, list_t *other);
static inline list_node_t *rect_list_unlink_next(list_t *rects, list_node_t *parent_node);
static inline void rect_list_del_next(list_t *rects, list_node_t *parent_node);
static inline void rect_list_clear(list_t *rects);
static inline void rect_list_del_split_strict(list_t *rects, const rect_t del_r);
static inline list_node_t *rect_list_add_split_fuzzy(list_t *rects, list_node_t *node, int accepted_error);
static inline void rect_list_merge_rects(list_t *rects, list_t *to_merge, int accepted_error);
static inline void rect_list_add_split_fuzzy_and_merge(list_t *rects, list_node_t *node, int split_accepted_error, int merge_accepted_error);
static const list_node_t list_node_zeroed = { NULL };
static const list_t list_zeroed = { NULL, NULL };
typedef struct list_node_pool
{
list_node_t *node;
int len;
int max;
} list_node_pool_t;
static list_node_pool_t list_node_pool = { NULL, 0, MAX_NODES };
static inline void
rect_list_node_pool_flush(void)
{
while (list_node_pool.node)
{
list_node_t *node = list_node_pool.node;
list_node_pool.node = node->next;
list_node_pool.len--;
free(node);
}
}
static inline list_node_t *
rect_list_node_pool_get(void)
{
if (list_node_pool.node)
{
list_node_t *node = list_node_pool.node;
list_node_pool.node = node->next;
list_node_pool.len--;
return node;
}
else return (list_node_t *)malloc(sizeof(rect_node_t));
}
static inline void
rect_list_node_pool_put(list_node_t *node)
{
if (list_node_pool.len < list_node_pool.max)
{
node->next = list_node_pool.node;
list_node_pool.node = node;
list_node_pool.len++;
}
else free(node);
}
static inline void
rect_init(rect_t *r, int x, int y, int w, int h)
{
r->area = w * h;
r->left = x;
r->top = y;
r->right = x + w;
r->bottom = y + h;
r->width = w;
r->height = h;
}
static inline void
rect_list_append_node(list_t *rects, list_node_t *node)
{
if (rects->tail)
{
rects->tail->next = node;
rects->tail = node;
}
else
{
rects->head = node;
rects->tail = node;
}
}
static inline void
rect_list_append(list_t *rects, const rect_t r)
{
rect_node_t *rect_node = (rect_node_t *)rect_list_node_pool_get();
rect_node->rect = r;
rect_node->_lst = list_node_zeroed;
rect_list_append_node(rects, (list_node_t *)rect_node);
}
static inline void
rect_list_append_xywh(list_t *rects, int x, int y, int w, int h)
{
rect_t r;
rect_init(&r, x, y, w, h);
rect_list_append(rects, r);
}
static inline void
rect_list_concat(list_t *rects, list_t *other)
{
if (!other->head) return;
if (rects->tail)
{
rects->tail->next = other->head;
rects->tail = other->tail;
}
else
{
rects->head = other->head;
rects->tail = other->tail;
}
*other = list_zeroed;
}
static inline list_node_t *
rect_list_unlink_next(list_t *rects, list_node_t *parent_node)
{
list_node_t *node;
if (parent_node)
{
node = parent_node->next;
parent_node->next = node->next;
}
else
{
node = rects->head;
rects->head = node->next;
}
if (rects->tail == node) rects->tail = parent_node;
*node = list_node_zeroed;
return node;
}
static inline void
rect_list_del_next(list_t *rects, list_node_t *parent_node)
{
list_node_t *node = rect_list_unlink_next(rects, parent_node);
rect_list_node_pool_put(node);
}
static inline void
rect_list_clear(list_t *rects)
{
list_node_t *node = rects->head;
while (node)
{
list_node_t *aux;
aux = node->next;
rect_list_node_pool_put(node);
node = aux;
}
*rects = list_zeroed;
}
static inline void
_calc_intra_rect_area(const rect_t a, const rect_t b, int *width, int *height)
{
int max_left, min_right, max_top, min_bottom;
if (a.left < b.left) max_left = b.left;
else max_left = a.left;
if (a.right < b.right) min_right = a.right;
else min_right = b.right;
*width = min_right - max_left;
if (a.top < b.top) max_top = b.top;
else max_top = a.top;
if (a.bottom < b.bottom) min_bottom = a.bottom;
else min_bottom = b.bottom;
*height = min_bottom - max_top;
}
static inline void
_split_strict(list_t *dirty, const rect_t current, rect_t r)
{
int h_1, h_2, w_1, w_2;
h_1 = current.top - r.top;
h_2 = r.bottom - current.bottom;
w_1 = current.left - r.left;
w_2 = r.right - current.right;
if (h_1 > 0)
{
/* .--.r (b) .---.r2
* | | | |
* .-------.cur (a) .---.r '---'
* | | | | -> | | +
* | `--' | `---'
* `-------'
*/
rect_list_append_xywh(dirty, r.left, r.top, r.width, h_1);
r.height -= h_1;
r.top = current.top;
}
if (h_2 > 0)
{
/* .-------.cur (a)
* | .---. | .---.r
* | | | | -> | |
* `-------' `---' + .---.r2
* | | | |
* `---'r (b) `---'
*/
rect_list_append_xywh(dirty, r.left, current.bottom, r.width, h_2);
r.height -= h_2;
}
if (w_1 > 0)
{
/* (b) r .----.cur (a)
* .--|-. | .--.r2 .-.r
* | | | | -> | | + | |
* `--|-' | `--' `-'
* `----'
*/
rect_list_append_xywh(dirty, r.left, r.top, w_1, r.height);
/* not necessary to keep these, r (b) will be destroyed */
/* r.width -= w_1; */
/* r.left = current.left; */
}
if (w_2 > 0)
{
/* .----.cur (a)
* | |
* | .-|--.r (b) .-.r .--.r2
* | | | | -> | | + | |
* | `-|--' `-' `--'
* `----'
*/
rect_list_append_xywh(dirty, current.right, r.top, w_2, r.height);
/* not necessary to keep this, r (b) will be destroyed */
/* r.width -= w_2; */
}
}
static inline void
rect_list_del_split_strict(list_t *rects, const rect_t del_r)
{
list_t modified = list_zeroed;
list_node_t *cur_node, *prev_node;
int intra_width, intra_height;
rect_t current;
prev_node = NULL;
cur_node = rects->head;
while (cur_node)
{
current = ((rect_node_t*)cur_node)->rect;
_calc_intra_rect_area(del_r, current, &intra_width, &intra_height);
if ((intra_width <= 0) || (intra_height <= 0))
{
/* .---.current .---.del_r
* | | | |
* `---+---.del_r `---+---.current
* | | | |
* `---' `---'
* no interception, nothing to do
*/
prev_node = cur_node;
cur_node = cur_node->next;
}
else if ((intra_width == current.width) &&
(intra_height == current.height))
{
/* .-------.del_r
* | .---. |
* | | | |
* | `---'current
* `-------'
* current is contained, remove from rects
*/
cur_node = cur_node->next;
rect_list_del_next(rects, prev_node);
}
else
{
_split_strict(&modified, del_r, current);
cur_node = cur_node->next;
rect_list_del_next(rects, prev_node);
}
}
rect_list_concat(rects, &modified);
}
static inline void
_calc_intra_outer_rect_area(const rect_t a, const rect_t b,
rect_t *intra, rect_t *outer)
{
int min_left, max_left, min_right, max_right;
int min_top, max_top, min_bottom, max_bottom;
if (a.left < b.left)
{
max_left = b.left;
min_left = a.left;
}
else
{
max_left = a.left;
min_left = b.left;
}
if (a.right < b.right)
{
min_right = a.right;
max_right = b.right;
}
else
{
min_right = b.right;
max_right = a.right;
}
intra->left = max_left;
intra->right = min_right;
intra->width = min_right - max_left;
outer->left = min_left;
outer->right = max_right;
outer->width = max_right - min_left;
if (a.top < b.top)
{
max_top = b.top;
min_top = a.top;
}
else
{
max_top = a.top;
min_top = b.top;
}
if (a.bottom < b.bottom)
{
min_bottom = a.bottom;
max_bottom = b.bottom;
}
else
{
min_bottom = b.bottom;
max_bottom = a.bottom;
}
intra->top = max_top;
intra->bottom = min_bottom;
intra->height = min_bottom - max_top;
if ((intra->width > 0) && (intra->height > 0))
intra->area = intra->width * intra->height;
else
intra->area = 0;
outer->top = min_top;
outer->bottom = max_bottom;
outer->height = max_bottom - min_top;
outer->area = outer->width * outer->height;
}
enum
{
SPLIT_FUZZY_ACTION_NONE,
SPLIT_FUZZY_ACTION_SPLIT,
SPLIT_FUZZY_ACTION_MERGE
};
static inline int
_split_fuzzy(list_t *dirty, const rect_t a, rect_t *b)
{
int h_1, h_2, w_1, w_2, action;
h_1 = a.top - b->top;
h_2 = b->bottom - a.bottom;
w_1 = a.left - b->left;
w_2 = b->right - a.right;
action = SPLIT_FUZZY_ACTION_NONE;
if (h_1 > 0)
{
/* .--.r (b) .---.r2
* | | | |
* .-------.cur (a) .---.r '---'
* | | | | -> | | +
* | `--' | `---'
* `-------'
*/
rect_list_append_xywh(dirty, b->left, b->top, b->width, h_1);
b->height -= h_1;
b->top = a.top;
action = SPLIT_FUZZY_ACTION_SPLIT;
}
if (h_2 > 0)
{
/* .-------.cur (a)
* | .---. | .---.r
* | | | | -> | |
* `-------' `---' + .---.r2
* | | | |
* `---'r (b) `---'
*/
rect_list_append_xywh(dirty, b->left, a.bottom, b->width, h_2);
b->height -= h_2;
action = SPLIT_FUZZY_ACTION_SPLIT;
}
if (((w_1 > 0) || (w_2 > 0)) && (a.height == b->height))
return SPLIT_FUZZY_ACTION_MERGE;
if (w_1 > 0)
{
/* (b) r .----.cur (a)
* .--|-. | .--.r2 .-.r
* | | | | -> | | + | |
* `--|-' | `--' `-'
* `----'
*/
rect_list_append_xywh(dirty, b->left, b->top, w_1, b->height);
/* not necessary to keep these, r (b) will be destroyed */
/* b->width -= w_1; */
/* b->left = a.left; */
action = SPLIT_FUZZY_ACTION_SPLIT;
}
if (w_2 > 0)
{
/* .----.cur (a)
* | |
* | .-|--.r (b) .-.r .--.r2
* | | | | -> | | + | |
* | `-|--' `-' `--'
* `----'
*/
rect_list_append_xywh(dirty, a.right, b->top, w_2, b->height);
/* not necessary to keep these, r (b) will be destroyed */
/* b->width -= w_2; */
action = SPLIT_FUZZY_ACTION_SPLIT;
}
return action;
}
static inline list_node_t *
rect_list_add_split_fuzzy(list_t *rects, list_node_t *node, int accepted_error)
{
list_t dirty = list_zeroed;
list_node_t *old_last = rects->tail;
if (!rects->head)
{
rect_list_append_node(rects, node);
return old_last;
}
rect_list_append_node(&dirty, node);
while (dirty.head)
{
list_node_t *d_node, *cur_node, *prev_cur_node;
int keep_dirty;
rect_t r;
d_node = rect_list_unlink_next(&dirty, NULL);
r = ((rect_node_t *)d_node)->rect;
prev_cur_node = NULL;
cur_node = rects->head;
keep_dirty = 1;
while (cur_node)
{
int area, action;
rect_t current, intra, outer;
current = ((rect_node_t *)cur_node)->rect;
_calc_intra_outer_rect_area(r, current, &intra, &outer);
area = current.area + r.area - intra.area;
if ((intra.width == r.width) && (intra.height == r.height))
{
/* .-------.cur
* | .---.r|
* | | | |
* | `---' |
* `-------'
*/
keep_dirty = 0;
break;
}
else if ((intra.width == current.width) &&
(intra.height == current.height))
{
/* .-------.r
* | .---.cur
* | | | |
* | `---' |
* `-------'
*/
if (old_last == cur_node)
old_last = prev_cur_node;
cur_node = cur_node->next;
rect_list_del_next(rects, prev_cur_node);
}
else if ((outer.area - area) <= accepted_error)
{
/* .-----------. bounding box (outer)
* |.---. .---.|
* ||cur| |r ||
* || | | ||
* |`---' `---'|
* `-----------'
* merge them, remove both and add merged
*/
rect_node_t *n;
if (old_last == cur_node)
old_last = prev_cur_node;
n = (rect_node_t *)rect_list_unlink_next(rects, prev_cur_node);
n->rect = outer;
rect_list_append_node(&dirty, (list_node_t *)n);
keep_dirty = 0;
break;
}
else if ((intra.area - area) <= accepted_error)
{
/* .---.cur .---.r
* | | | |
* `---+---.r `---+---.cur
* | | | |
* `---' `---'
* no split, no merge
*/
prev_cur_node = cur_node;
cur_node = cur_node->next;
}
else
{
/* split is required */
action = _split_fuzzy(&dirty, current, &r);
if (action == SPLIT_FUZZY_ACTION_MERGE)
{
/* horizontal merge is possible: remove both, add merged */
rect_node_t *n;
if (old_last == cur_node)
old_last = prev_cur_node;
n = (rect_node_t *)
rect_list_unlink_next(rects, prev_cur_node);
n->rect.left = outer.left;
n->rect.width = outer.width;
n->rect.right = outer.right;
n->rect.area = outer.width * r.height;
rect_list_append_node(&dirty, (list_node_t *)n);
}
else if (action == SPLIT_FUZZY_ACTION_NONE)
{
/* this rect check was totally useless,
* should never happen */
/* prev_cur_node = cur_node; */
/* cur_node = cur_node->next; */
WRN("Should not get here!");
abort();
}
keep_dirty = 0;
break;
}
}
if (UNLIKELY(keep_dirty)) rect_list_append_node(rects, d_node);
else rect_list_node_pool_put(d_node);
}
return old_last;
}
static inline void
_calc_outer_rect_area(const rect_t a, const rect_t b, rect_t *outer)
{
int min_left, max_right;
int min_top, max_bottom;
if (a.left < b.left) min_left = a.left;
else min_left = b.left;
if (a.right < b.right) max_right = b.right;
else max_right = a.right;
outer->left = min_left;
outer->right = max_right;
outer->width = max_right - min_left;
if (a.top < b.top) min_top = a.top;
else min_top = b.top;
if (a.bottom < b.bottom) max_bottom = b.bottom;
else max_bottom = a.bottom;
outer->top = min_top;
outer->bottom = max_bottom;
outer->height = max_bottom - min_top;
outer->area = outer->width * outer->height;
}
static inline void
rect_list_merge_rects(list_t *rects, list_t *to_merge, int accepted_error)
{
while (to_merge->head)
{
list_node_t *node, *parent_node;
rect_t r1;
int merged;
r1 = ((rect_node_t *)to_merge->head)->rect;
merged = 0;
parent_node = NULL;
node = rects->head;
while (node)
{
rect_t r2, outer;
int area;
r2 = ((rect_node_t *)node)->rect;
_calc_outer_rect_area(r1, r2, &outer);
area = r1.area + r2.area; /* intra area is taken as 0 */
if (outer.area - area <= accepted_error)
{
/* remove both r1 and r2, create r3
* actually r3 uses r2 instance, saves memory */
rect_node_t *n;
n = (rect_node_t *)rect_list_unlink_next(rects, parent_node);
n->rect = outer;
rect_list_append_node(to_merge, (list_node_t *)n);
merged = 1;
break;
}
parent_node = node;
node = node->next;
}
if (!merged)
{
list_node_t *n;
n = rect_list_unlink_next(to_merge, NULL);
rect_list_append_node(rects, n);
}
else
rect_list_del_next(to_merge, NULL);
}
}
static inline void
rect_list_add_split_fuzzy_and_merge(list_t *rects,
list_node_t *node,
int split_accepted_error,
int merge_accepted_error)
{
list_node_t *n;
n = rect_list_add_split_fuzzy(rects, node, split_accepted_error);
if (n && n->next)
{
list_t to_merge;
/* split list into 2 segments, already merged and to merge */
to_merge.head = n->next;
to_merge.tail = rects->tail;
rects->tail = n;
n->next = NULL;
rect_list_merge_rects(rects, &to_merge, merge_accepted_error);
}
}
static inline int
_add_redraw(list_t *rects, int x, int y, int w, int h, int fuzz)
{
rect_node_t *rn;
rn = (rect_node_t *)rect_list_node_pool_get();
rn->_lst = list_node_zeroed;
rect_init(&rn->rect, x, y, w, h);
rect_list_add_split_fuzzy_and_merge(rects, (list_node_t *)rn, fuzz, fuzz);
return 1;
}
/////////////////////////////////////////////////////////////////
EAPI void
evas_common_tilebuf_init(void)
{
}
EAPI Tilebuf *
evas_common_tilebuf_new(int w, int h)
{
Tilebuf *tb;
tb = calloc(1, sizeof(Tilebuf));
if (!tb) return NULL;
tb->tile_size.w = 8;
tb->tile_size.h = 8;
tb->outbuf_w = w;
tb->outbuf_h = h;
return tb;
}
EAPI void
evas_common_tilebuf_free(Tilebuf *tb)
{
rect_list_clear(&tb->rects);
rect_list_node_pool_flush();
free(tb);
}
EAPI void
evas_common_tilebuf_set_tile_size(Tilebuf *tb, int tw, int th)
{
tb->tile_size.w = tw;
tb->tile_size.h = th;
}
EAPI void
evas_common_tilebuf_get_tile_size(Tilebuf *tb, int *tw, int *th)
{
if (tw) *tw = tb->tile_size.w;
if (th) *th = tb->tile_size.h;
}
EAPI void
evas_common_tilebuf_tile_strict_set(Tilebuf *tb, Eina_Bool strict)
{
tb->strict_tiles = strict;
}
EAPI int
evas_common_tilebuf_add_redraw(Tilebuf *tb, int x, int y, int w, int h)
{
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, FUZZ * FUZZ);
}
EAPI int
evas_common_tilebuf_del_redraw(Tilebuf *tb, int x, int y, int w, int h)
{
rect_t r;
if (!tb->rects.head) return 0;
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 -> deleting the exact same rect 2x in a row
if ((tb->prev_del.x == x) && (tb->prev_del.y == y) &&
(tb->prev_del.w == w) && (tb->prev_del.h == h)) return 1;
tb->prev_del.x = x; tb->prev_del.y = y;
tb->prev_del.w = w; tb->prev_del.h = h;
tb->prev_add.w = 0; tb->prev_add.h = 0;
rect_init(&r, x, y, w, h);
rect_list_del_split_strict(&tb->rects, r);
tb->need_merge = 1;
return 0;
}
EAPI int
evas_common_tilebuf_add_motion_vector(Tilebuf *tb EINA_UNUSED, int x EINA_UNUSED, int y EINA_UNUSED, int w EINA_UNUSED, int h EINA_UNUSED, int dx EINA_UNUSED, int dy EINA_UNUSED, int alpha EINA_UNUSED)
{
return 0;
}
EAPI void
evas_common_tilebuf_clear(Tilebuf *tb)
{
tb->prev_add.x = tb->prev_add.y = tb->prev_add.w = tb->prev_add.h = 0;
tb->prev_del.x = tb->prev_del.y = tb->prev_del.w = tb->prev_del.h = 0;
rect_list_clear(&tb->rects);
tb->need_merge = 0;
}
EAPI Tilebuf_Rect *
evas_common_tilebuf_get_render_rects(Tilebuf *tb)
{
list_node_t *n;
list_t to_merge;
Tilebuf_Rect *rects = NULL, *rbuf, *r;
int bx1 = 0, bx2 = 0, by1 = 0, by2 = 0, num = 0, x1, x2, y1, y2, i;
/* don't need this since the below is now always on
if (tb->need_merge)
{
to_merge = tb->rects;
tb->rects = list_zeroed;
rect_list_merge_rects(&tb->rects, &to_merge, 0);
tb->need_merge = 0;
}
*/
if (1)
// always fuzz merge for optimal perf
// if (!tb->strict_tiles)
{
// round up rects to tb->tile_size.w and tb->tile_size.h
to_merge = list_zeroed;
for (n = tb->rects.head; n; n = n->next)
{
x1 = ((rect_node_t *)n)->rect.left;
x2 = x1 + ((rect_node_t *)n)->rect.width;
y1 = ((rect_node_t *)n)->rect.top;
y2 = y1 + ((rect_node_t *)n)->rect.height;
x1 = tb->tile_size.w * (x1 / tb->tile_size.w);
y1 = tb->tile_size.h * (y1 / tb->tile_size.h);
x2 = tb->tile_size.w * ((x2 + tb->tile_size.w - 1) / tb->tile_size.w);
y2 = tb->tile_size.h * ((y2 + tb->tile_size.h - 1) / tb->tile_size.h);
_add_redraw(&to_merge, x1, y1, x2 - x1, y2 - y1, 0);
}
rect_list_clear(&tb->rects);
rect_list_merge_rects(&tb->rects, &to_merge, 0);
}
n = tb->rects.head;
if (n)
{
RECTS_CLIP_TO_RECT(((rect_node_t *)n)->rect.left,
((rect_node_t *)n)->rect.top,
((rect_node_t *)n)->rect.width,
((rect_node_t *)n)->rect.height,
0, 0, tb->outbuf_w, tb->outbuf_h);
num = 1;
bx1 = ((rect_node_t *)n)->rect.left;
bx2 = bx1 + ((rect_node_t *)n)->rect.width;
by1 = ((rect_node_t *)n)->rect.top;
by2 = by1 + ((rect_node_t *)n)->rect.height;
n = n->next;
for (; n; n = n->next)
{
RECTS_CLIP_TO_RECT(((rect_node_t *)n)->rect.left,
((rect_node_t *)n)->rect.top,
((rect_node_t *)n)->rect.width,
((rect_node_t *)n)->rect.height,
0, 0, tb->outbuf_w, tb->outbuf_h);
x1 = ((rect_node_t *)n)->rect.left;
if (x1 < bx1) bx1 = x1;
x2 = x1 + ((rect_node_t *)n)->rect.width;
if (x2 > bx2) bx2 = x2;
y1 = ((rect_node_t *)n)->rect.top;
if (y1 < by1) by1 = y1;
y2 = y1 + ((rect_node_t *)n)->rect.height;
if (y2 > by2) by2 = y2;
num++;
}
}
else
return NULL;
/* magic number - if we have > MAXREG regions to update, take bounding */
if (num > MAXREG)
{
r = malloc(sizeof(Tilebuf_Rect));
if (r)
{
EINA_INLIST_GET(r)->next = NULL;
EINA_INLIST_GET(r)->prev = NULL;
EINA_INLIST_GET(r)->last = NULL;
r->x = bx1;
r->y = by1;
r->w = bx2 - bx1;
r->h = by2 - by1;
rects = (Tilebuf_Rect *)
eina_inlist_append(EINA_INLIST_GET(rects),
EINA_INLIST_GET(r));
}
return rects;
}
rbuf = malloc(sizeof(Tilebuf_Rect) * num);
if (!rbuf) return NULL;
for (i = 0, n = tb->rects.head; n; n = n->next)
{
rect_t cur;
cur = ((rect_node_t *)n)->rect;
if ((cur.width > 0) && (cur.height > 0))
{
r = &(rbuf[i]);
EINA_INLIST_GET(r)->next = NULL;
EINA_INLIST_GET(r)->prev = NULL;
EINA_INLIST_GET(r)->last = NULL;
r->x = cur.left;
r->y = cur.top;
r->w = cur.width;
r->h = cur.height;
rects = (Tilebuf_Rect *)
eina_inlist_append(EINA_INLIST_GET(rects),
EINA_INLIST_GET(r));
i++;
}
}
// It is possible that due to the clipping we do not return any rectangle here.
if (!rects) free(rbuf);
return rects;
}
EAPI void
evas_common_tilebuf_free_render_rects(Tilebuf_Rect *rects)
{
free(rects);
}
#endif