subsurface: Add cached signal 68/294268/3
authorSeunghun Lee <shiin.lee@samsung.com>
Thu, 27 Apr 2023 04:47:42 +0000 (13:47 +0900)
committerSeunghun Lee <shiin.lee@samsung.com>
Mon, 19 Jun 2023 00:37:37 +0000 (00:37 +0000)
commitd5da9db23858a4c7bb7e8b28b913ef2ab23b72fb
treed57a9de06dc16421462e976f764880b45c8fd5a0
parentcd6337aa8132d9fe92d7f54d090f37f5c00643c7
subsurface: Add cached signal

The cached signal can be used for wl_surface add-on objects such as
wl_viewport, wp_presnetaiton to get a chance to cahce its interesting
pending states.

Change-Id: I7e0d66e833686853b66d8ff8251edc97bdfe7aa2
include/libds/types/ds_subsurface.h
src/compositor/subsurface.c