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ecore-wl2: Add API function to set opaque region of a subsurface 

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2015-10-06 10:36:35 -04:00
parent 475ade8bf8
commit 3e1b71b3d8
2 changed files with 51 additions and 0 deletions
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19
src/lib/ecore_wl2/Ecore_Wl2.h
View File

@ -689,6 +689,25 @@ EAPI void ecore_wl2_subsurface_place_below(Ecore_Wl2_Subsurface *subsurface, str
*/
EAPI void ecore_wl2_subsurface_sync_set(Ecore_Wl2_Subsurface *subsurface, Eina_Bool sync);
/**
* Set an opaque region for the given subsurface.
*
* This is an optimization hint to the compositor to allow it avoid
* redrawing content unnecessarily. Note that marking transparent
* content as opaque will cause repaint artifacts.
*
* Use a 0x0 region size to unset the opaque region.
*
* @param subsurface the subsurface
* @param x coordinate in the parent surface
* @param y coordinate in the parent surface
* @param w width to set as opaque
* @param h height to set as opaque
*
* @ingroup Ecore_Wl2_Subsurface_Group
*/
EAPI void ecore_wl2_subsurface_opaque_region_set(Ecore_Wl2_Subsurface *subsurface, int x, int y, int w, int h);
/* # ifdef __cplusplus */
/* } */
/* # endif */

32
src/lib/ecore_wl2/ecore_wl2_subsurf.c
View File

@ -143,3 +143,35 @@ ecore_wl2_subsurface_sync_set(Ecore_Wl2_Subsurface *subsurface, Eina_Bool sync)
else
wl_subsurface_set_desync(subsurface->wl.subsurface);
}
EAPI void
ecore_wl2_subsurface_opaque_region_set(Ecore_Wl2_Subsurface *subsurface, int x, int y, int w, int h)
{
EINA_SAFETY_ON_NULL_RETURN(subsurface);
EINA_SAFETY_ON_NULL_RETURN(subsurface->wl.subsurface);
if ((w > 0) && (h > 0))
{
Ecore_Wl2_Window *parent;
parent = subsurface->parent;
if (parent)
{
struct wl_region *region;
region =
wl_compositor_create_region(parent->display->wl.compositor);
if (!region)
{
ERR("Failed to create opaque region: %m");
return;
}
wl_region_add(region, x, y, w, h);
wl_surface_set_opaque_region(subsurface->wl.surface, region);
wl_region_destroy(region);
}
}
else
wl_surface_set_opaque_region(subsurface->wl.surface, NULL);
}