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Add engine output redraws next update get code. 

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

SVN revision: 83266
This commit is contained in:
Christopher Michael 2013-01-24 09:18:19 +00:00 committed by Christopher Michael
parent 17225d31e8
commit ac1ecc770a
1 changed files with 110 additions and 0 deletions
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110
src/modules/evas/engines/wayland_shm/evas_engine.c
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@ -350,6 +350,116 @@ eng_output_redraws_clear(void *data)
static void *
eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch)
{
Render_Engine *re;
RGBA_Image *surface;
Tilebuf_Rect *rect;
Eina_Bool first_rect = EINA_FALSE;
#define CLEAR_PREV_RECTS(x) \
do { \
if (re->prev_rects[x]) \
evas_common_tilebuf_free_render_rects(re->prev_rects[x]); \
re->prev_rects[x] = NULL; \
} while (0)
re = (Render_Engine *)data;
if (re->end)
{
re->end = 0;
return NULL;
}
if (!re->rects)
{
re->mode = evas_swapbuf_state_get(re->ob);
re->rects = evas_common_tilebuf_get_render_rects(re->tb);
if (re->rects)
{
if (re->lost_back)
{
/* if we lost our backbuffer since the last frame redraw all */
re->lost_back = 0;
evas_common_tilebuf_add_redraw(re->tb, 0, 0, re->ob->w, re->ob->h);
evas_common_tilebuf_free_render_rects(re->rects);
re->rects = evas_common_tilebuf_get_render_rects(re->tb);
}
/* ensure we get rid of previous rect lists we dont need if mode
* changed/is appropriate */
evas_common_tilebuf_clear(re->tb);
CLEAR_PREV_RECTS(2);
re->prev_rects[2] = re->prev_rects[1];
re->prev_rects[1] = re->prev_rects[0];
re->prev_rects[0] = re->rects;
re->rects = NULL;
switch (re->mode)
{
case MODE_FULL:
case MODE_COPY: // no prev rects needed
re->rects =
_merge_rects(re->tb, re->prev_rects[0], NULL, NULL);
break;
case MODE_DOUBLE: // double mode - only 1 level of prev rect
re->rects =
_merge_rects(re->tb, re->prev_rects[0], re->prev_rects[1], NULL);
break;
case MODE_TRIPLE: // keep all
re->rects =
_merge_rects(re->tb, re->prev_rects[0], re->prev_rects[1], re->prev_rects[2]);
break;
default:
break;
}
first_rect = EINA_TRUE;
}
evas_common_tilebuf_clear(re->tb);
re->cur_rect = EINA_INLIST_GET(re->rects);
}
if (!re->cur_rect) return NULL;
rect = (Tilebuf_Rect *)re->cur_rect;
if (re->rects)
{
switch (re->mode)
{
case MODE_COPY:
case MODE_DOUBLE:
case MODE_TRIPLE:
rect = (Tilebuf_Rect *)re->cur_rect;
*x = rect->x;
*y = rect->y;
*w = rect->w;
*h = rect->h;
*cx = rect->x;
*cy = rect->y;
*cw = rect->w;
*ch = rect->h;
re->cur_rect = re->cur_rect->next;
break;
case MODE_FULL:
re->cur_rect = NULL;
if (x) *x = 0;
if (y) *y = 0;
if (w) *w = re->ob->w;
if (h) *h = re->ob->h;
if (cx) *cx = 0;
if (cy) *cy = 0;
if (cw) *cw = re->ob->w;
if (ch) *ch = re->ob->h;
break;
default:
break;
}
if (first_rect)
{
// do anything needed for the first frame
}
surface =
re->outbuf_update_region_new(re->ob,
*x, *y, *w, *h,
cx, cy, cw, ch);
if (!re->cur_rect) re->end = EINA_TRUE;
return surface;
}
return NULL;
}