6 files changed, 111 insertions, 86 deletions

diff --git a/include/backend/drm/backend.h b/include/backend/drm/backend.h
new file mode 100644
index 00000000..caa18bcc
--- /dev/null
+++ b/include/backend/drm/backend.h
@@ -0,0 +1,37 @@
+#ifndef DRM_BACKEND_H
+#define DRM_BACKEND_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <EGL/egl.h>
+#include <gbm.h>
+#include <libudev.h>
+
+#include "session.h"
+#include "udev.h"
+#include "event.h"
+#include "drm.h"
+
+struct wlr_drm_backend {
+	int fd;
+	bool paused;
+
+	// Priority Queue (Max-heap)
+	size_t event_cap;
+	size_t event_len;
+	struct wlr_drm_event *events;
+
+	size_t display_len;
+	struct wlr_drm_display *displays;
+
+	uint32_t taken_crtcs;
+
+	struct wlr_drm_renderer renderer;
+	struct wlr_session session;
+	struct wlr_udev udev;
+};
+
+struct wlr_drm_backend *wlr_drm_backend_init(void);
+void wlr_drm_backend_free(struct wlr_drm_backend *backend);
+
+#endif
diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
index 8744b440..bd3d4105 100644
--- a/include/backend/drm/drm.h
+++ b/include/backend/drm/drm.h
@@ -7,17 +7,35 @@
 #include <EGL/egl.h>
 #include <gbm.h>
 
-enum otd_display_state {
-	OTD_DISP_INVALID,
-	OTD_DISP_DISCONNECTED,
-	OTD_DISP_NEEDS_MODESET,
-	OTD_DISP_CONNECTED,
+struct wlr_drm_renderer {
+	int fd;
+
+	// Currently here so that rendering has access to the event queue.
+	// Ideally this is will be removed later once the way events are
+	// handled is changed.
+	struct wlr_drm_backend *backend;
+
+	struct gbm_device *gbm;
+	struct {
+		EGLDisplay disp;
+		EGLConfig conf;
+		EGLContext context;
+	} egl;
 };
 
-struct otd_display {
-	struct otd *otd;
+bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer,
+		struct wlr_drm_backend *backend, int fd);
+void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer);
 
-	enum otd_display_state state;
+enum wlr_drm_display_state {
+	DRM_DISP_INVALID,
+	DRM_DISP_DISCONNECTED,
+	DRM_DISP_NEEDS_MODESET,
+	DRM_DISP_CONNECTED,
+};
+
+struct wlr_drm_display {
+	enum wlr_drm_display_state state;
 	uint32_t connector;
 	char name[16];
 
@@ -31,24 +49,22 @@ struct otd_display {
 	uint32_t crtc;
 	drmModeCrtc *old_crtc;
 
+	struct wlr_drm_renderer *renderer;
 	struct gbm_surface *gbm;
 	EGLSurface *egl;
-	uint32_t fb_id;
 
 	bool pageflip_pending;
 	bool cleanup;
 };
 
-bool init_renderer(struct otd *otd);
-void destroy_renderer(struct otd *otd);
-
-void scan_connectors(struct otd *otd);
-bool modeset_str(struct otd *otd, struct otd_display *disp, const char *str);
-void destroy_display_renderer(struct otd *otd, struct otd_display *disp);
+bool wlr_drm_display_modeset(struct wlr_drm_backend *backend,
+		struct wlr_drm_display *disp, const char *str);
+void wlr_drm_display_free(struct wlr_drm_display *disp);
 
-void get_drm_event(struct otd *otd);
+void wlr_drm_display_begin(struct wlr_drm_display *disp);
+void wlr_drm_display_end(struct wlr_drm_display *disp);
 
-void rendering_begin(struct otd_display *disp);
-void rendering_end(struct otd_display *disp);
+void wlr_drm_scan_connectors(struct wlr_drm_backend *backend);
+void wlr_drm_event(int fd);
 
 #endif
diff --git a/include/backend/drm/event.h b/include/backend/drm/event.h
index fc4f6f9a..2155bd32 100644
--- a/include/backend/drm/event.h
+++ b/include/backend/drm/event.h
@@ -2,20 +2,24 @@
 #define EVENT_H
 
 #include <stdbool.h>
+#include "drm.h"
 
-enum otd_event_type {
-	OTD_EV_NONE,
-	OTD_EV_RENDER,
-	OTD_EV_DISPLAY_REM,
-	OTD_EV_DISPLAY_ADD,
+enum wlr_drm_event_type {
+	DRM_EV_NONE,
+	DRM_EV_RENDER,
+	DRM_EV_DISPLAY_REM,
+	DRM_EV_DISPLAY_ADD,
 };
 
-struct otd_event {
-	enum otd_event_type type;
-	struct otd_display *display;
+struct wlr_drm_event {
+	enum wlr_drm_event_type type;
+	struct wlr_drm_display *display;
 };
 
-bool otd_get_event(struct otd *otd, struct otd_event *restrict ret);
-bool event_add(struct otd *otd, struct otd_display *disp, enum otd_event_type type);
+struct wlr_drm_backend;
+bool wlr_drm_get_event(struct wlr_drm_backend *backend,
+		struct wlr_drm_event *restrict ret);
+bool wlr_drm_add_event(struct wlr_drm_backend *backend,
+		struct wlr_drm_display *disp, enum wlr_drm_event_type type);
 
 #endif
diff --git a/include/backend/drm/otd.h b/include/backend/drm/otd.h
deleted file mode 100644
index eef0e991..00000000
--- a/include/backend/drm/otd.h
+++ /dev/null
@@ -1,44 +0,0 @@
-#ifndef LIBOTD_H
-#define LIBOTD_H
-
-#include <stdbool.h>
-#include <stddef.h>
-#include <EGL/egl.h>
-#include <gbm.h>
-#include <libudev.h>
-
-#include "session.h"
-
-struct otd {
-	int fd;
-	bool paused;
-
-	// Priority Queue (Max-heap)
-	size_t event_cap;
-	size_t event_len;
-	struct otd_event *events;
-
-	size_t display_len;
-	struct otd_display *displays;
-
-	uint32_t taken_crtcs;
-
-	struct gbm_device *gbm;
-	struct {
-		EGLDisplay disp;
-		EGLConfig conf;
-		EGLContext context;
-	} egl;
-
-	struct otd_session session;
-
-	struct udev *udev;
-	struct udev_monitor *mon;
-	int udev_fd;
-	char *drm_path;
-};
-
-struct otd *otd_start(void);
-void otd_finish(struct otd *otd);
-
-#endif
diff --git a/include/backend/drm/session.h b/include/backend/drm/session.h
index c21900e9..6936b19a 100644
--- a/include/backend/drm/session.h
+++ b/include/backend/drm/session.h
@@ -4,22 +4,21 @@
 #include <systemd/sd-bus.h>
 #include <stdbool.h>
 
-struct otd_session {
+struct wlr_session {
+	sd_bus *bus;
+
 	char *id;
 	char *path;
 	char *seat;
-
-	sd_bus *bus;
 };
 
-struct otd;
-bool otd_new_session(struct otd *otd);
-void otd_close_session(struct otd *otd);
+bool wlr_session_start(struct wlr_session *session);
+void wlr_session_end(struct wlr_session *session);
 
-int take_device(struct otd *restrict otd,
-		       const char *restrict path,
-		       bool *restrict paused_out);
+int wlr_session_take_device(struct wlr_session *restrict session,
+		const char *restrict path,
+		bool *restrict paused_out);
 
-void release_device(struct otd *otd, int fd);
+void wlr_session_release_device(struct wlr_session *session, int fd);
 
 #endif
diff --git a/include/backend/drm/udev.h b/include/backend/drm/udev.h
index 9bd4c0d0..6b10c9ec 100644
--- a/include/backend/drm/udev.h
+++ b/include/backend/drm/udev.h
@@ -1,9 +1,22 @@
 #ifndef UDEV_H
 #define UDEV_H
 
-bool otd_udev_start(struct otd *otd);
-void otd_udev_finish(struct otd *otd);
-void otd_udev_find_gpu(struct otd *otd);
-void otd_udev_event(struct otd *otd);
+#include <libudev.h>
+
+#include "backend/drm/session.h"
+
+struct wlr_udev {
+	struct udev *udev;
+	struct udev_monitor *mon;
+	int mon_fd;
+	char *drm_path;
+};
+
+bool wlr_udev_init(struct wlr_udev *udev);
+void wlr_udev_free(struct wlr_udev *udev);
+int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session);
+
+struct wlr_drm_backend;
+void wlr_udev_event(struct wlr_drm_backend *backend);
 
 #endif