Make DRM backend optional

sway/config/output.c

@@ -6,10 +6,10 @@
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <unistd.h>
+#include <wlr/config.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_output.h>
-#include <wlr/backend/drm.h>
 #include "sway/config.h"
 #include "sway/input/cursor.h"
 #include "sway/output.h"
@@ -17,6 +17,10 @@
 #include "log.h"
 #include "util.h"
 
+#if WLR_HAS_DRM_BACKEND
+#include <wlr/backend/drm.h>
+#endif
+
 int output_name_cmp(const void *item, const void *data) {
 	const struct output_config *output = item;
 	const char *name = data;
@@ -286,6 +290,7 @@ static void set_mode(struct wlr_output *output, struct wlr_output_state *pending
 
 static void set_modeline(struct wlr_output *output,
 		struct wlr_output_state *pending, drmModeModeInfo *drm_mode) {
+#if WLR_HAS_DRM_BACKEND
 	if (!wlr_output_is_drm(output)) {
 		sway_log(SWAY_ERROR, "Modeline can only be set to DRM output");
 		return;
@@ -295,6 +300,9 @@ static void set_modeline(struct wlr_output *output,
 	if (mode) {
 		wlr_output_state_set_mode(pending, mode);
 	}
+#else
+	sway_log(SWAY_ERROR, "Modeline can only be set to DRM output");
+#endif
 }
 
 /* Some manufacturers hardcode the aspect-ratio of the output in the physical
@@ -436,9 +444,11 @@ static void queue_output_config(struct output_config *oc,
 	enum wl_output_transform tr = WL_OUTPUT_TRANSFORM_NORMAL;
 	if (oc && oc->transform >= 0) {
 		tr = oc->transform;
+#if WLR_HAS_DRM_BACKEND
 	} else if (wlr_output_is_drm(wlr_output)) {
 		tr = wlr_drm_connector_get_panel_orientation(wlr_output);
 		sway_log(SWAY_DEBUG, "Auto-detected output transform: %d", tr);
+#endif
 	}
 	if (wlr_output->transform != tr) {
 		sway_log(SWAY_DEBUG, "Set %s transform to %d", oc->name, tr);

sway/desktop/output.c

@@ -4,11 +4,10 @@
 #include <strings.h>
 #include <time.h>
 #include <wayland-server-core.h>
-#include <wlr/backend/drm.h>
+#include <wlr/config.h>
 #include <wlr/backend/headless.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_buffer.h>
-#include <wlr/types/wlr_drm_lease_v1.h>
 #include <wlr/types/wlr_matrix.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_output.h>
@@ -31,6 +30,11 @@
 #include "sway/tree/view.h"
 #include "sway/tree/workspace.h"
 
+#if WLR_HAS_DRM_BACKEND
+#include <wlr/backend/drm.h>
+#include <wlr/types/wlr_drm_lease_v1.h>
+#endif
+
 struct sway_output *output_by_name_or_id(const char *name_or_id) {
 	for (int i = 0; i < root->outputs->length; ++i) {
 		struct sway_output *output = root->outputs->items[i];
@@ -923,10 +927,12 @@ void handle_new_output(struct wl_listener *listener, void *data) {
 	if (wlr_output->non_desktop) {
 		sway_log(SWAY_DEBUG, "Not configuring non-desktop output");
 		struct sway_output_non_desktop *non_desktop = output_non_desktop_create(wlr_output);
+#if WLR_HAS_DRM_BACKEND
 		if (server->drm_lease_manager) {
 			wlr_drm_lease_v1_manager_offer_output(server->drm_lease_manager,
 					wlr_output);
 		}
+#endif
 		list_add(root->non_desktop_outputs, non_desktop);
 		return;
 	}

sway/server.c

@@ -7,13 +7,11 @@
 #include <wlr/backend.h>
 #include <wlr/backend/headless.h>
 #include <wlr/backend/multi.h>
-#include <wlr/backend/session.h>
 #include <wlr/config.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_content_type_v1.h>
 #include <wlr/types/wlr_data_control_v1.h>
-#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_gamma_control_v1.h>
@@ -46,13 +44,19 @@
 #include "sway/output.h"
 #include "sway/server.h"
 #include "sway/tree/root.h"
+
 #if HAVE_XWAYLAND
 #include "sway/xwayland.h"
 #endif
 
+#if WLR_HAS_DRM_BACKEND
+#include <wlr/types/wlr_drm_lease_v1.h>
+#endif
+
 #define SWAY_XDG_SHELL_VERSION 2
 #define SWAY_LAYER_SHELL_VERSION 3
 
+#if WLR_HAS_DRM_BACKEND
 static void handle_drm_lease_request(struct wl_listener *listener, void *data) {
 	/* We only offer non-desktop outputs, but in the future we might want to do
 	 * more logic here. */
@@ -64,6 +68,7 @@ static void handle_drm_lease_request(struct wl_listener *listener, void *data) {
 		wlr_drm_lease_request_v1_reject(req);
 	}
 }
+#endif
 
 bool server_init(struct sway_server *server) {
 	sway_log(SWAY_DEBUG, "Initializing Wayland server");
@@ -189,6 +194,7 @@ bool server_init(struct sway_server *server) {
 
 	sway_session_lock_init();
 
+#if WLR_HAS_DRM_BACKEND
 	server->drm_lease_manager=
 		wlr_drm_lease_v1_manager_create(server->wl_display, server->backend);
 	if (server->drm_lease_manager) {
@@ -199,6 +205,7 @@ bool server_init(struct sway_server *server) {
 		sway_log(SWAY_DEBUG, "Failed to create wlr_drm_lease_device_v1");
 		sway_log(SWAY_INFO, "VR will not be available");
 	}
+#endif
 
 	wlr_export_dmabuf_manager_v1_create(server->wl_display);
 	wlr_screencopy_manager_v1_create(server->wl_display);