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wl-drm: Add function to readback pixels for compositor screenshots 

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2015-07-08 15:06:09 -04:00
parent f214d9d73b
commit 3088f2315c
1 changed files with 32 additions and 0 deletions
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32
src/modules/wl_drm/e_mod_main.c
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@ -617,6 +617,36 @@ static E_Comp_Screen_Iface drmiface =
.apply = _drm_randr_apply
};
static void
_drm_read_pixels(E_Comp_Wl_Output *output, void *pixels)
{
Ecore_Drm_Device *dev;
Ecore_Drm_Fb *fb;
const Eina_List *drm_devs, *l;
int i = 0, bstride;
void *s;
drm_devs = ecore_drm_devices_get();
EINA_LIST_FOREACH(drm_devs, l, dev)
{
fb = dev->next;
if (!fb) fb = dev->current;
if (fb) break;
}
if (!fb) return;
bstride = output->w * sizeof(int);
s = fb->mmap;
for (i = output->y; i < output->y + output->h; i++)
{
s = fb->mmap + (fb->stride * i) + (output->x * sizeof(int));
memcpy(pixels, s, (output->w * sizeof(int)));
pixels += bstride;
}
}
E_API void *
e_modapi_init(E_Module *m)
{
@ -667,6 +697,8 @@ e_modapi_init(E_Module *m)
if (!e_comp_wl_init()) return NULL;
if (!e_comp_canvas_init(w, h)) return NULL;
e_comp->wl_comp_data->screenshooter.read_pixels = _drm_read_pixels;
ecore_evas_pointer_xy_get(e_comp->ee, &e_comp->wl_comp_data->ptr.x,
&e_comp->wl_comp_data->ptr.y);
evas_event_feed_mouse_in(e_comp->evas, 0, NULL);