From 536df52a3960b26a20027c5a25b3357e0f896af7 Mon Sep 17 00:00:00 2001
From: Kenny Levinsen <kl@kl.wtf>
Date: Tue, 5 Apr 2022 10:37:27 +0200
Subject: [PATCH] wp-fractional-scale-v1: Initial implementation

---
 sway/server.c         | 2 ++
 sway/tree/container.c | 2 ++
 sway/tree/view.c      | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/sway/server.c b/sway/server.c
index 0f0c76a89..e78cacca5 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -15,6 +15,7 @@
 #include <wlr/types/wlr_drm_lease_v1.h>
 #include <wlr/types/wlr_drm.h>
 #include <wlr/types/wlr_export_dmabuf_v1.h>
+#include <wlr/types/wlr_fractional_scale_v1.h>
 #include <wlr/types/wlr_gamma_control_v1.h>
 #include <wlr/types/wlr_idle.h>
 #include <wlr/types/wlr_layer_shell_v1.h>
@@ -201,6 +202,7 @@ bool server_init(struct sway_server *server) {
 	wlr_data_control_manager_v1_create(server->wl_display);
 	wlr_primary_selection_v1_device_manager_create(server->wl_display);
 	wlr_viewporter_create(server->wl_display);
+	wlr_fractional_scale_manager_v1_create(server->wl_display);
 
 	struct wlr_xdg_foreign_registry *foreign_registry =
 		wlr_xdg_foreign_registry_create(server->wl_display);
diff --git a/sway/tree/container.c b/sway/tree/container.c
index 09766ce5c..7f86031d2 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -7,6 +7,7 @@
 #include <strings.h>
 #include <sys/stat.h>
 #include <wayland-server-core.h>
+#include <wlr/types/wlr_fractional_scale_v1.h>
 #include <wlr/types/wlr_linux_dmabuf_v1.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_subcompositor.h>
@@ -1325,6 +1326,7 @@ static void surface_send_enter_iterator(struct wlr_surface *surface,
 		int x, int y, void *data) {
 	struct wlr_output *wlr_output = data;
 	wlr_surface_send_enter(surface, wlr_output);
+	wlr_fractional_scale_v1_notify_scale(surface, wlr_output->scale);
 }
 
 static void surface_send_leave_iterator(struct wlr_surface *surface,
diff --git a/sway/tree/view.c b/sway/tree/view.c
index 7d9e038d2..b1d0110b9 100644
--- a/sway/tree/view.c
+++ b/sway/tree/view.c
@@ -4,6 +4,7 @@
 #include <wayland-server-core.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_buffer.h>
+#include <wlr/types/wlr_fractional_scale_v1.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_server_decoration.h>
 #include <wlr/types/wlr_subcompositor.h>
@@ -1120,6 +1121,7 @@ void view_child_init(struct sway_view_child *child,
 		struct sway_workspace *workspace = container->pending.workspace;
 		if (workspace) {
 			wlr_surface_send_enter(child->surface, workspace->output->wlr_output);
+			wlr_fractional_scale_v1_notify_scale(child->surface, workspace->output->wlr_output->scale);
 		}
 	}