3 files changed, 33 insertions, 28 deletions
diff --git a/backend/backend.c b/backend/backend.c
index 753bb3ae..c6afe9ed 100644
--- a/backend/backend.c
+++ b/backend/backend.c
@@ -2,7 +2,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
+#include <wlr/session.h>
 #include "common/log.h"
+#include "backend/drm/backend.h"
 #include "backend.h"
 
 struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl,
@@ -34,3 +36,11 @@ void wlr_backend_destroy(struct wlr_backend *backend) {
 	// TODO: free outputs
 	free(backend);
 }
+
+struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
+		struct wlr_session *session) {
+	// TODO: Choose the most appropriate backend for the situation
+	struct wlr_backend *wlr;
+	wlr = wlr_drm_backend_create(display, session);
+	return wlr;
+}
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index f202d4d6..0da84745 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -101,11 +101,3 @@ error_backend:
 	free(backend);
 	return NULL;
 }
-
-void wlr_drm_backend_dpms(struct wlr_backend *backend, bool screen_on) {
-	struct wlr_backend_state *state = backend->state;
-	for (size_t i = 0; i < state->outputs->length; ++i) {
-		struct wlr_output_state *output = state->outputs->items[i];
-		wlr_drm_output_dpms(state->fd, output, screen_on);
-	}
-}
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 8ec27b80..e9af9899 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -236,6 +236,28 @@ error:
 	return false;
 }
 
+static void wlr_drm_output_enable(struct wlr_output_state *output, bool enable) {
+	struct wlr_backend_state *state =
+		wl_container_of(output->renderer, state, renderer);
+	if (output->state != DRM_OUTPUT_CONNECTED) {
+		return;
+	}
+
+	if (enable) {
+		drmModeConnectorSetProperty(state->fd, output->connector, output->props.dpms,
+			DRM_MODE_DPMS_ON);
+
+		// Start rendering loop again by drawing a black frame
+		wlr_drm_output_begin(output);
+		glClearColor(0.0, 0.0, 0.0, 1.0);
+		glClear(GL_COLOR_BUFFER_BIT);
+		wlr_drm_output_end(output);
+	} else {
+		drmModeConnectorSetProperty(state->fd, output->connector, output->props.dpms,
+			DRM_MODE_DPMS_STANDBY);
+	}
+}
+
 static void wlr_drm_output_destroy(struct wlr_output_state *output) {
 	wlr_drm_output_cleanup(output, true);
 	wlr_drm_renderer_free(output->renderer);
@@ -244,6 +266,7 @@ static void wlr_drm_output_destroy(struct wlr_output_state *output) {
 
 static struct wlr_output_impl output_impl = {
 	.set_mode = wlr_drm_output_set_mode,
+	.enable = wlr_drm_output_enable,
 	.destroy = wlr_drm_output_destroy,
 };
 
@@ -454,23 +477,3 @@ void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore) {
 	}
 	// TODO: free wlr_output
 }
-
-void wlr_drm_output_dpms(int fd, struct wlr_output_state *output, bool screen_on) {
-	if (output->state != DRM_OUTPUT_CONNECTED) {
-		return;
-	}
-
-	if (screen_on) {
-		drmModeConnectorSetProperty(fd, output->connector, output->props.dpms,
-			DRM_MODE_DPMS_ON);
-
-		// Start rendering loop again by drawing a black frame
-		wlr_drm_output_begin(output);
-		glClearColor(0.0, 0.0, 0.0, 1.0);
-		glClear(GL_COLOR_BUFFER_BIT);
-		wlr_drm_output_end(output);
-	} else {
-		drmModeConnectorSetProperty(fd, output->connector, output->props.dpms,
-			DRM_MODE_DPMS_STANDBY);
-	}
-}