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alpha-modifier-v1: implement protocol

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Implement the alpha-modifier-v1 protocol, which allows clients to
offload alpha blending operations to the compositor.

wlroots' scene graph code takes care of updating the opacity of
wlr_scene_buffers with an associated wp_alpha_modifier_surface_v1.
This commit is contained in:
tesselslate 2024-11-04 21:03:34 -05:00
parent 1b5dd21ee6
commit a2a5e8f463
2 changed files with 8 additions and 3 deletions
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4
build.zig.zon
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@ -12,8 +12,8 @@
.hash = "1220687c8c47a48ba285d26a05600f8700d37fc637e223ced3aa8324f3650bf52242",
},
.@"zig-wlroots" = .{
.url = "https://codeberg.org/ifreund/zig-wlroots/archive/e486223799648d27e8b91c5fe0ea4c088b74b707.tar.gz",
.hash = "1220aeb3317e16c38583839961c9d695fa60d23a3d506c8275fb0e8fa9849844f2f7",
.url = "https://codeberg.org/ifreund/zig-wlroots/archive/afbbbbe5579c750feed8de12b073fa50b0651137.tar.gz",
.hash = "122060ddef836b7872cb2088764a8bd2fb2e9254327673e8176b7f7a621ec897484f",
},
.@"zig-xkbcommon" = .{
.url = "https://codeberg.org/ifreund/zig-xkbcommon/archive/v0.2.0.tar.gz",

7
river/Server.zig
View File

@ -86,6 +86,8 @@ foreign_toplevel_manager: *wlr.ForeignToplevelManagerV1,
tearing_control_manager: *wlr.TearingControlManagerV1,
alpha_modifier: *wlr.AlphaModifierV1,
input_manager: InputManager,
root: Root,
config: Config,
@ -163,6 +165,8 @@ pub fn init(server: *Server, runtime_xwayland: bool) !void {
.tearing_control_manager = try wlr.TearingControlManagerV1.create(wl_server, 1),
.alpha_modifier = try wlr.AlphaModifierV1.create(wl_server),
.config = try Config.init(),
.root = undefined,
@ -321,7 +325,8 @@ fn allowlist(server: *Server, global: *const wl.Global) bool {
global == server.input_manager.tablet_manager.global or
global == server.input_manager.pointer_gestures.global or
global == server.idle_inhibit_manager.wlr_manager.global or
global == server.tearing_control_manager.global;
global == server.tearing_control_manager.global or
global == server.alpha_modifier.global;
}
/// Returns true if the global is blocked for security contexts