5 files changed, 71 insertions, 25 deletions
diff --git a/include/wlr/backend.h b/include/wlr/backend.h
index 527efa05..b424c29f 100644
--- a/include/wlr/backend.h
+++ b/include/wlr/backend.h
@@ -1,7 +1,29 @@
 #ifndef _WLR_BACKEND_H
 #define _WLR_BACKEND_H
 
-struct wlr_backend *wlr_backend_init();
-void wlr_backend_free(struct wlr_backend *backend);
+#include <wayland-server.h>
+
+struct wlr_backend_impl;
+struct wlr_backend_state;
+
+struct wlr_backend {
+	const struct wlr_backend_impl *impl;
+	struct wlr_backend_state *state;
+
+	struct {
+		struct wl_signal output_add;
+		struct wl_signal output_remove;
+		struct wl_signal keyboard_add;
+		struct wl_signal keyboard_remove;
+		struct wl_signal pointer_add;
+		struct wl_signal pointer_remove;
+		struct wl_signal touch_add;
+		struct wl_signal touch_remove;
+	} events;
+};
+
+struct wlr_backend *wlr_backend_autocreate();
+bool wlr_backend_init(struct wlr_backend *backend);
+void wlr_backend_destroy(struct wlr_backend *backend);
 
 #endif
diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h
new file mode 100644
index 00000000..2d9bf879
--- /dev/null
+++ b/include/wlr/backend/drm.h
@@ -0,0 +1,16 @@
+#ifndef WLR_BACKEND_DRM_H
+#define WLR_BACKEND_DRM_H
+
+#include <wayland-server.h>
+#include <wlr/session.h>
+#include <wlr/backend.h>
+#include <xf86drmMode.h> // drmModeModeInfo
+#include <wlr/wayland.h>
+
+struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
+	struct wlr_session *session);
+
+void wlr_drm_output_begin(struct wlr_output *out);
+void wlr_drm_output_end(struct wlr_output *out);
+
+#endif
diff --git a/include/wlr/common/log.h b/include/wlr/common/log.h
index 5b4d5a53..079f989a 100644
--- a/include/wlr/common/log.h
+++ b/include/wlr/common/log.h
@@ -1,6 +1,7 @@
 #ifndef _WLR_COMMON_LOG_H
 #define _WLR_COMMON_LOG_H
 #include <stdbool.h>
+#include <stdarg.h>
 
 typedef enum {
 	L_SILENT = 0,
diff --git a/include/wlr/session.h b/include/wlr/session.h
new file mode 100644
index 00000000..cf04f1da
--- /dev/null
+++ b/include/wlr/session.h
@@ -0,0 +1,12 @@
+#ifndef WLR_SESSION_H
+#define WLR_SESSION_H
+
+struct wlr_session;
+
+struct wlr_session *wlr_session_start(void);
+void wlr_session_finish(struct wlr_session *session);
+int wlr_session_open_file(struct wlr_session *restrict session,
+	const char *restrict path);
+void wlr_session_close_file(struct wlr_session *session, int fd);
+
+#endif
diff --git a/include/wlr/wayland.h b/include/wlr/wayland.h
index bbbd2457..158acc33 100644
--- a/include/wlr/wayland.h
+++ b/include/wlr/wayland.h
@@ -3,26 +3,26 @@
 
 #include <wayland-server.h>
 #include <wlr/common/list.h>
+#include <stdbool.h>
 
-struct wlr_wl_seat {
-	struct wl_seat *wl_seat;
-	uint32_t capabilities;
-	char *name;
-	list_t *keyboards;
-	list_t *pointers;
-};
-
-void wlr_wl_seat_free(struct wlr_wl_seat *seat);
+struct wlr_output_mode_state;
 
-struct wlr_wl_output_mode {
+struct wlr_output_mode {
+	struct wlr_output_mode_state *state;
 	uint32_t flags; // enum wl_output_mode
 	int32_t width, height;
 	int32_t refresh; // mHz
 };
 
-struct wlr_wl_output {
-	struct wl_output *wl_output;
+struct wlr_output_impl;
+struct wlr_output_state;
+
+struct wlr_output {
+	const struct wlr_output_impl *impl;
+	struct wlr_output_state *state;
+
 	uint32_t flags;
+	char *name;
 	char *make;
 	char *model;
 	uint32_t scale;
@@ -30,20 +30,15 @@ struct wlr_wl_output {
 	int32_t phys_width, phys_height; // mm
 	int32_t subpixel; // enum wl_output_subpixel
 	int32_t transform; // enum wl_output_transform
-	list_t *modes;
-	struct wlr_wl_output_mode *current_mode;
-};
 
-void wlr_wl_output_free(struct wlr_wl_output *output);
+	list_t *modes;
+	struct wlr_output_mode *current_mode;
 
-struct wlr_wl_keyboard {
-	struct wl_keyboard *wl_keyboard;
+	struct {
+		struct wl_signal frame;
+	} events;
 };
 
-struct wlr_wl_pointer {
-	struct wl_pointer *wl_pointer;
-	struct wl_surface *current_surface;
-	wl_fixed_t x, y;
-};
+bool wlr_output_set_mode(struct wlr_output *output, struct wlr_output_mode *mode);
 
 #endif