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add function to blank out a client's rendered image 

when working with Extremely Serious effects, it may be the case that
a user is rendering at such an advanced level that any attempt by
enlightenment to perform rendering will be like a child trying to
reproduce a masterpiece of art while using fingerpaints

https://www.youtube.com/watch?v=tY6qag5KFx0&hd=1
This commit is contained in:
Mike Blumenkrantz 2015-09-17 16:48:43 -04:00
parent e8a9ba34b0
commit 7d2a55f7e9
2 changed files with 27 additions and 6 deletions
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32
src/bin/e_comp_object.c
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@ -124,6 +124,7 @@ typedef struct _E_Comp_Object
Eina_Bool force_move : 1;
Eina_Bool frame_extends : 1; //frame may extend beyond object size
Eina_Bool blanked : 1; //window is rendering blank content (externally composited)
} E_Comp_Object;
@ -278,7 +279,7 @@ _e_comp_object_alpha_set(E_Comp_Object *cw)
{
Eina_Bool alpha = cw->ec->argb;
if (cw->ns || cw->ec->shaped) alpha = EINA_TRUE;
if (cw->blanked || cw->ns || cw->ec->shaped) alpha = EINA_TRUE;
evas_object_image_alpha_set(cw->obj, alpha);
}
@ -3355,7 +3356,7 @@ e_comp_object_native_surface_set(Evas_Object *obj, Eina_Bool set)
}
cw->native = set;
evas_object_image_native_surface_set(cw->obj, set ? (cw->ns ?: &ns) : NULL);
evas_object_image_native_surface_set(cw->obj, set && (!cw->blanked) ? (cw->ns ?: &ns) : NULL);
EINA_LIST_FOREACH(cw->obj_mirror, l, o)
{
evas_object_image_alpha_set(o, !!cw->ns ? 1 : cw->ec->argb);
@ -3377,6 +3378,25 @@ e_comp_object_native_surface_override(Evas_Object *obj, Evas_Native_Surface *ns)
e_comp_object_damage(obj, 0, 0, cw->w, cw->h);
}
E_API void
e_comp_object_blank(Evas_Object *obj, Eina_Bool set)
{
API_ENTRY;
set = !!set;
if (cw->blanked == set) return;
cw->blanked = set;
_e_comp_object_alpha_set(cw);
if (set)
{
evas_object_image_native_surface_set(cw->obj, NULL);
evas_object_image_data_set(cw->obj, NULL);
return;
}
if (cw->native)
e_comp_object_native_surface_set(obj, 1);
e_comp_object_damage(obj, 0, 0, cw->w, cw->h);
}
/* mark an object as dirty and setup damages */
@ -3395,7 +3415,7 @@ e_comp_object_dirty(Evas_Object *obj)
dirty = e_pixmap_size_get(cw->ec->pixmap, &w, &h);
visible = cw->visible;
if (!dirty) w = h = 1;
evas_object_image_pixels_dirty_set(cw->obj, dirty);
evas_object_image_pixels_dirty_set(cw->obj, cw->blanked ? 0 : dirty);
if (!dirty)
evas_object_image_data_set(cw->obj, NULL);
evas_object_image_size_set(cw->obj, w, h);
@ -3531,12 +3551,12 @@ e_comp_object_render(Evas_Object *obj)
if (e_comp->comp_type == E_PIXMAP_TYPE_WL)
{
#warning FIXME BROKEN WAYLAND SHM BUFFER PROTOCOL
evas_object_image_data_copy_set(cw->obj, pix);
evas_object_image_data_copy_set(cw->obj, cw->blanked ? NULL : pix);
pix = evas_object_image_data_get(cw->obj, 0);
evas_object_image_data_set(cw->obj, pix);
}
else
evas_object_image_data_set(cw->obj, pix);
evas_object_image_data_set(cw->obj, cw->blanked ? NULL : pix);
EINA_LIST_FOREACH(cw->obj_mirror, l, o)
{
evas_object_image_data_set(o, pix);
@ -3570,7 +3590,7 @@ e_comp_object_render(Evas_Object *obj)
e_pixmap_image_data_argb_convert(cw->ec->pixmap, pix, srcpix, r, stride);
RENDER_DEBUG("UPDATE [%p]: %d %d %dx%d -- pix = %p", cw->ec, r->x, r->y, r->w, r->h, pix);
}
evas_object_image_data_set(cw->obj, pix);
evas_object_image_data_set(cw->obj, cw->blanked ? NULL : pix);
EINA_LIST_FOREACH(cw->obj_mirror, l, o)
{
evas_object_image_data_set(o, pix);

1
src/bin/e_comp_object.h
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@ -72,6 +72,7 @@ E_API void e_comp_object_shape_apply(Evas_Object *obj);
E_API void e_comp_object_redirected_set(Evas_Object *obj, Eina_Bool set);
E_API void e_comp_object_native_surface_set(Evas_Object *obj, Eina_Bool set);
E_API void e_comp_object_native_surface_override(Evas_Object *obj, Evas_Native_Surface *ns);
E_API void e_comp_object_blank(Evas_Object *obj, Eina_Bool set);
E_API void e_comp_object_dirty(Evas_Object *obj);
E_API Eina_Bool e_comp_object_render(Evas_Object *obj);
EAPI Eina_Bool e_comp_object_effect_allowed_get(Evas_Object *obj);