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window-actor: Inhibit culling when blitting to screencast

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This allows us to screencast any window continuously, even
without it being visible. Because it's still being painted,
clients continue to receive frame callbacks, and people
are happy again.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1129
This commit is contained in:
Georges Basile Stavracas Neto 2020-03-18 21:14:58 -03:00
parent 73250b8f4c
commit fed5f4d9aa
1 changed files with 15 additions and 6 deletions
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21
src/compositor/meta-window-actor.c
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@ -1287,6 +1287,8 @@ meta_window_actor_blit_to_framebuffer (MetaScreenCastWindow *screen_cast_window,
if (!clutter_actor_get_resource_scale (actor, &resource_scale))
return FALSE;
clutter_actor_inhibit_culling (actor);
width = ceilf (width * resource_scale);
height = ceilf (height * resource_scale);
@ -1322,6 +1324,8 @@ meta_window_actor_blit_to_framebuffer (MetaScreenCastWindow *screen_cast_window,
cogl_framebuffer_pop_matrix (framebuffer);
cogl_framebuffer_pop_clip (framebuffer);
clutter_actor_uninhibit_culling (actor);
return TRUE;
}
@ -1399,11 +1403,13 @@ meta_window_actor_get_image (MetaWindowActor *self,
float x, y;
MetaRectangle scaled_clip;
ClutterPaintContext *paint_context;
cairo_surface_t *surface;
cairo_surface_t *surface = NULL;
if (!priv->surface)
return NULL;
clutter_actor_inhibit_culling (actor);
if (clutter_actor_get_n_children (actor) == 1)
{
MetaShapedTexture *stex;
@ -1425,23 +1431,24 @@ meta_window_actor_get_image (MetaWindowActor *self,
}
stex = meta_surface_actor_get_texture (priv->surface);
return meta_shaped_texture_get_image (stex, surface_clip);
surface = meta_shaped_texture_get_image (stex, surface_clip);
goto out;
}
clutter_actor_get_size (actor, &width, &height);
if (width == 0 || height == 0)
return NULL;
goto out;
if (!clutter_actor_get_resource_scale (actor, &resource_scale))
return NULL;
goto out;
width = ceilf (width * resource_scale);
height = ceilf (height * resource_scale);
texture = cogl_texture_2d_new_with_size (cogl_context, width, height);
if (!texture)
return NULL;
goto out;
cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (texture),
FALSE);
@ -1457,7 +1464,7 @@ meta_window_actor_get_image (MetaWindowActor *self,
error->message);
cogl_object_unref (framebuffer);
cogl_object_unref (texture);
return NULL;
goto out;
}
cogl_color_init_from_4ub (&clear_color, 0, 0, 0, 0);
@ -1504,5 +1511,7 @@ meta_window_actor_get_image (MetaWindowActor *self,
cairo_surface_mark_dirty (surface);
out:
clutter_actor_uninhibit_culling (actor);
return surface;
}