apply outputPowerManagement patch

Makefile

@@ -5,18 +5,20 @@ include config.mk
 
 # flags for compiling
 DWLCPPFLAGS = -I. -DWLR_USE_UNSTABLE -D_POSIX_C_SOURCE=200809L -DVERSION=\"$(VERSION)\" $(XWAYLAND)
-DWLDEVCFLAGS = -g -pedantic -Wall -Wextra -Wdeclaration-after-statement -Wno-unused-parameter -Wno-sign-compare -Wshadow -Wunused-macros\
+DWLDEVCFLAGS = -pedantic -Wall -Wextra -Wdeclaration-after-statement -Wno-unused-parameter -Wno-sign-compare -Wshadow -Wunused-macros\
 	-Werror=strict-prototypes -Werror=implicit -Werror=return-type -Werror=incompatible-pointer-types
 
 # CFLAGS / LDFLAGS
-PKGS      = wlroots wayland-server xkbcommon libinput $(XLIBS)
+CC	      = gcc -flto=auto
+CFLAGS 	  = -O2 -march=native
+PKGS      = wlroots wayland-server xkbcommon libinput pixman-1 $(XLIBS)
 DWLCFLAGS = `$(PKG_CONFIG) --cflags $(PKGS)` $(DWLCPPFLAGS) $(DWLDEVCFLAGS) $(CFLAGS)
 LDLIBS    = `$(PKG_CONFIG) --libs $(PKGS)` $(LIBS)
 
 all: dwl
 dwl: dwl.o util.o
 	$(CC) dwl.o util.o $(LDLIBS) $(LDFLAGS) $(DWLCFLAGS) -o $@
-dwl.o: dwl.c config.mk config.def.h client.h cursor-shape-v1-protocol.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h
+dwl.o: dwl.c config.mk config.def.h client.h cursor-shape-v1-protocol.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h wlr-output-power-management-unstable-v1-protocol.h
 util.o: util.c util.h
 
 # wayland-scanner is a tool which generates C headers and rigging for Wayland
@@ -34,6 +36,9 @@ wlr-layer-shell-unstable-v1-protocol.h:
 cursor-shape-v1-protocol.h:
 	$(WAYLAND_SCANNER) server-header \
 		$(WAYLAND_PROTOCOLS)/staging/cursor-shape/cursor-shape-v1.xml $@
+wlr-output-power-management-unstable-v1-protocol.h:
+	$(WAYLAND_SCANNER) server-header \
+		protocols/wlr-output-power-management-unstable-v1.xml $@
 
 clean:
 	rm -f dwl *.o *-protocol.h

dwl.c

@@ -31,8 +31,10 @@
 #include <wlr/types/wlr_layer_shell_v1.h>
 #include <wlr/types/wlr_linux_dmabuf_v1.h>
 #include <wlr/types/wlr_output.h>
+#include <wlr/interfaces/wlr_output.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_output_management_v1.h>
+#include <wlr/types/wlr_output_power_management_v1.h>
 #include <wlr/types/wlr_pointer.h>
 #include <wlr/types/wlr_presentation_time.h>
 #include <wlr/types/wlr_primary_selection.h>
@@ -289,6 +291,8 @@ static void outputmgrtest(struct wl_listener *listener, void *data);
 static void pointerfocus(Client *c, struct wlr_surface *surface,
 		double sx, double sy, uint32_t time);
 static void printstatus(void);
+static void wlr_output_damage_whole(struct wlr_output *output);
+static void powermgrsetmodenotify(struct wl_listener *listener, void *data);
 static void quit(const Arg *arg);
 static void rendermon(struct wl_listener *listener, void *data);
 static void requeststartdrag(struct wl_listener *listener, void *data);
@@ -367,6 +371,9 @@ static struct wlr_scene_rect *locked_bg;
 static struct wlr_session_lock_v1 *cur_lock;
 static struct wl_listener lock_listener = {.notify = locksession};
 
+static struct wlr_output_power_manager_v1 *power_mgr;
+static struct wl_listener power_mgr_set_mode = {.notify = powermgrsetmodenotify};
+
 static struct wlr_seat *seat;
 static struct wl_list keyboards;
 static unsigned int cursor_mode;
@@ -1851,6 +1858,35 @@ printstatus(void)
 	fflush(stdout);
 }
 
+void 
+wlr_output_damage_whole(struct wlr_output *output) {
+	int width, height;
+	pixman_region32_t damage;
+	struct wlr_output_event_damage event;
+
+	wlr_output_transformed_resolution(output, &width, &height);
+
+	pixman_region32_init_rect(&damage, 0, 0, width, height);
+
+	event = (struct wlr_output_event_damage){
+		.output = output,
+		.damage = &damage,
+	};
+	wl_signal_emit_mutable(&output->events.damage, &event);
+
+	pixman_region32_fini(&damage);
+}
+
+void
+powermgrsetmodenotify(struct wl_listener *listener, void *data)
+{
+	struct wlr_output_power_v1_set_mode_event *event = data;
+	wlr_output_enable(event->output, event->mode);
+	if (event->mode)
+		wlr_output_damage_whole(event->output);
+	wlr_output_commit(event->output);
+}
+
 void
 quit(const Arg *arg)
 {
@@ -2239,6 +2275,9 @@ setup(void)
 	gamma_control_mgr = wlr_gamma_control_manager_v1_create(dpy);
 	LISTEN_STATIC(&gamma_control_mgr->events.set_gamma, setgamma);
 
+	power_mgr = wlr_output_power_manager_v1_create(dpy);
+	wl_signal_add(&power_mgr->events.set_mode, &power_mgr_set_mode);
+
 	/* Creates an output layout, which a wlroots utility for working with an
 	 * arrangement of screens in a physical layout. */
 	output_layout = wlr_output_layout_create();