Add support for color-management-v1

References: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4962

Author: emersion

meson.build

@@ -65,7 +65,7 @@ pcre2 = dependency('libpcre2-8')
 wayland_server = dependency('wayland-server', version: '>=1.21.0')
 wayland_client = dependency('wayland-client')
 wayland_cursor = dependency('wayland-cursor')
-wayland_protos = dependency('wayland-protocols', version: '>=1.24', default_options: ['tests=false'])
+wayland_protos = dependency('wayland-protocols', version: '>=1.41', default_options: ['tests=false'])
 xkbcommon = dependency('xkbcommon', version: '>=1.5.0')
 cairo = dependency('cairo')
 pango = dependency('pango')

protocols/meson.build

@@ -9,6 +9,7 @@ wayland_scanner = find_program(
 protocols = [
 	wl_protocol_dir / 'stable/tablet/tablet-v2.xml',
 	wl_protocol_dir / 'stable/xdg-shell/xdg-shell.xml',
+	wl_protocol_dir / 'staging/color-management/color-management-v1.xml',
 	wl_protocol_dir / 'staging/content-type/content-type-v1.xml',
 	wl_protocol_dir / 'staging/cursor-shape/cursor-shape-v1.xml',
 	wl_protocol_dir / 'staging/ext-foreign-toplevel-list/ext-foreign-toplevel-list-v1.xml',

sway/server.c

@@ -10,6 +10,7 @@
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_alpha_modifier_v1.h>
+#include <wlr/types/wlr_color_management_v1.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_content_type_v1.h>
 #include <wlr/types/wlr_cursor_shape_v1.h>
@@ -443,6 +444,33 @@ bool server_init(struct sway_server *server) {
 	server->request_set_cursor_shape.notify = handle_request_set_cursor_shape;
 	wl_signal_add(&cursor_shape_manager->events.request_set_shape, &server->request_set_cursor_shape);
 
+	if (server->renderer->features.input_color_transform) {
+		const enum wp_color_manager_v1_render_intent render_intents[] = {
+			WP_COLOR_MANAGER_V1_RENDER_INTENT_PERCEPTUAL,
+		};
+		const enum wp_color_manager_v1_transfer_function transfer_functions[] = {
+			WP_COLOR_MANAGER_V1_TRANSFER_FUNCTION_SRGB,
+			WP_COLOR_MANAGER_V1_TRANSFER_FUNCTION_ST2084_PQ,
+			WP_COLOR_MANAGER_V1_TRANSFER_FUNCTION_EXT_LINEAR,
+		};
+		const enum wp_color_manager_v1_primaries primaries[] = {
+			WP_COLOR_MANAGER_V1_PRIMARIES_SRGB,
+			WP_COLOR_MANAGER_V1_PRIMARIES_BT2020,
+		};
+		wlr_color_manager_v1_create(server->wl_display, 1, &(struct wlr_color_manager_v1_options){
+			.features = {
+				.parametric = true,
+				.set_mastering_display_primaries = true,
+			},
+			.render_intents = render_intents,
+			.render_intents_len = sizeof(render_intents) / sizeof(render_intents[0]),
+			.transfer_functions = transfer_functions,
+			.transfer_functions_len = sizeof(transfer_functions) / sizeof(transfer_functions[0]),
+			.primaries = primaries,
+			.primaries_len = sizeof(primaries) / sizeof(primaries[0]),
+		});
+	}
+
 	wl_list_init(&server->pending_launcher_ctxs);
 
 	// Avoid using "wayland-0" as display socket