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evas render2 - move empty region data into const land so it is in RO mem 

this should ensure these constants are in read-only memory if
possible iof they are marked as const as well as static
This commit is contained in:
Carsten Haitzler 2016-03-01 13:13:33 +09:00
parent 1585d242da
commit e167154520
1 changed files with 12 additions and 12 deletions
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24
src/lib/evas/canvas/render2/region.c
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@ -172,9 +172,9 @@ if (((num) < ((reg)->data->size >> 1)) && ((reg)->data->size > 50)) { \
rects[b] = __t; \
}
static Box _region_emptybox = {0, 0, 0, 0};
static Region_Data _region_emptydata = {0, 0};
static Region_Data _region_brokendata = {0, 0};
static const Box _region_emptybox = {0, 0, 0, 0};
static const Region_Data _region_emptydata = {0, 0};
static const Region_Data _region_brokendata = {0, 0};
static Eina_Bool _region_break(Region *region);
@ -183,7 +183,7 @@ _region_break(Region *region)
{
FREE_DATA(region);
region->bound = _region_emptybox;
region->data = &_region_brokendata;
region->data = (Region_Data *)&_region_brokendata;
return EINA_FALSE;
}
@ -337,12 +337,12 @@ _region_op(Region *dest, // Place to store result
if (((dest == reg1) && (new_size > 1)) || ((dest == reg2) && (num > 1)))
{
old_data = dest->data;
dest->data = &_region_emptydata;
dest->data = (Region_Data *)&_region_emptydata;
}
// guess at new size
if (num > new_size) new_size = num;
new_size <<= 1;
if (!dest->data) dest->data = &_region_emptydata;
if (!dest->data) dest->data = (Region_Data *)&_region_emptydata;
else if (dest->data->size)
dest->data->num = 0;
if (new_size > dest->data->size)
@ -468,7 +468,7 @@ _region_op(Region *dest, // Place to store result
if (!(num = dest->data->num))
{
FREE_DATA(dest);
dest->data = &_region_emptydata;
dest->data = (Region_Data *)&_region_emptydata;
}
else if (num == 1)
{
@ -718,7 +718,7 @@ region_new(int w, int h)
Region *region = calloc(1, sizeof(Region));
if (!region) return NULL;
region->bound = _region_emptybox;
region->data = &_region_emptydata;
region->data = (Region_Data *)&_region_emptydata;
region->w = w;
region->h = h;
return region;
@ -796,10 +796,10 @@ region_intersect(Region *dest, Region *source)
dest->bound.y2 = dest->bound.y1;
if (PIXREGION_NAR(dest) || PIXREGION_NAR(source))
{
dest->data = &_region_brokendata;
dest->data = (Region_Data *)&_region_brokendata;
return EINA_FALSE;
}
else dest->data = &_region_emptydata;
else dest->data = (Region_Data *)&_region_emptydata;
}
else if (!dest->data && !source->data)
{
@ -1192,7 +1192,7 @@ region_del(Region *dest, Region *source)
FREE_DATA(dest);
dest->bound.x2 = dest->bound.x1;
dest->bound.y2 = dest->bound.y1;
dest->data = &_region_emptydata;
dest->data = (Region_Data *)&_region_emptydata;
return EINA_TRUE;
}
@ -1387,7 +1387,7 @@ region_empty(Region *region)
FREE_DATA(region);
region->bound.x2 = region->bound.x1;
region->bound.y2 = region->bound.y1;
region->data = &_region_emptydata;
region->data = (Region_Data *)&_region_emptydata;
region->last_del.w = 0;
region->last_add.w = 0;
}