Merge pull request #123 from ascent12/session-multi-gpu

Session Multi-GPU

6 files changed, 26 insertions, 21 deletions

diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h
index fe1cc5a7..fa63df0a 100644
--- a/include/wlr/backend/drm.h
+++ b/include/wlr/backend/drm.h
@@ -4,10 +4,9 @@
 #include <wayland-server.h>
 #include <wlr/backend/session.h>
 #include <wlr/backend.h>
-#include <wlr/backend/udev.h>
 
 struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
-		struct wlr_session *session, struct wlr_udev *udev, int gpu_fd);
+		struct wlr_session *session, int gpu_fd);
 
 bool wlr_backend_is_drm(struct wlr_backend *backend);
 
diff --git a/include/wlr/backend/libinput.h b/include/wlr/backend/libinput.h
index b227a7ad..95b8829d 100644
--- a/include/wlr/backend/libinput.h
+++ b/include/wlr/backend/libinput.h
@@ -5,11 +5,10 @@
 #include <wayland-server.h>
 #include <wlr/backend/session.h>
 #include <wlr/backend.h>
-#include <wlr/backend/udev.h>
 #include <wlr/types/wlr_input_device.h>
 
 struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
-		struct wlr_session *session, struct wlr_udev *udev);
+		struct wlr_session *session);
 struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *dev);
 
 bool wlr_backend_is_libinput(struct wlr_backend *backend);
diff --git a/include/wlr/backend/multi.h b/include/wlr/backend/multi.h
index e8e46bed..3fcaaf1e 100644
--- a/include/wlr/backend/multi.h
+++ b/include/wlr/backend/multi.h
@@ -2,11 +2,9 @@
 #define _WLR_BACKEND_MULTI_H
 
 #include <wlr/backend.h>
-#include <wlr/backend/udev.h>
 #include <wlr/backend/session.h>
 
-struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
-		struct wlr_udev *udev);
+struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session);
 void wlr_multi_backend_add(struct wlr_backend *multi,
 		struct wlr_backend *backend);
 
diff --git a/include/wlr/backend/session.h b/include/wlr/backend/session.h
index 7961e620..04e701b0 100644
--- a/include/wlr/backend/session.h
+++ b/include/wlr/backend/session.h
@@ -3,10 +3,19 @@
 
 #include <stdbool.h>
 #include <wayland-server.h>
+#include <libudev.h>
 #include <sys/types.h>
 
 struct session_impl;
 
+struct wlr_device {
+	int fd;
+	dev_t dev;
+	struct wl_signal signal;
+
+	struct wl_list link;
+};
+
 struct wlr_session {
 	const struct session_impl *impl;
 	/*
@@ -16,9 +25,14 @@ struct wlr_session {
 	struct wl_signal session_signal;
 	bool active;
 
-	int drm_fd;
 	unsigned vtnr;
 	char seat[8];
+
+	struct udev *udev;
+	struct udev_monitor *mon;
+	struct wl_event_source *udev_event;
+
+	struct wl_list devices;
 };
 
 /*
@@ -31,14 +45,14 @@ struct wlr_session {
  *
  * Returns NULL on error.
  */
-struct wlr_session *wlr_session_start(struct wl_display *disp);
+struct wlr_session *wlr_session_create(struct wl_display *disp);
 
 /*
  * Closes a previously opened session and restores the virtual terminal.
  * You should call wlr_session_close_file on each files you opened
  * with wlr_session_open_file before you call this.
  */
-void wlr_session_finish(struct wlr_session *session);
+void wlr_session_destroy(struct wlr_session *session);
 
 /*
  * Opens the file at path.
@@ -57,9 +71,13 @@ int wlr_session_open_file(struct wlr_session *session, const char *path);
  */
 void wlr_session_close_file(struct wlr_session *session, int fd);
 
+void wlr_session_signal_add(struct wlr_session *session, int fd,
+		struct wl_listener *listener);
 /*
  * Changes the virtual terminal.
  */
 bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
 
+int wlr_session_find_gpu(struct wlr_session *session);
+
 #endif
diff --git a/include/wlr/backend/session/interface.h b/include/wlr/backend/session/interface.h
index 16814446..1a029c54 100644
--- a/include/wlr/backend/session/interface.h
+++ b/include/wlr/backend/session/interface.h
@@ -4,8 +4,8 @@
 #include <wlr/backend/session.h>
 
 struct session_impl {
-	struct wlr_session *(*start)(struct wl_display *disp);
-	void (*finish)(struct wlr_session *session);
+	struct wlr_session *(*create)(struct wl_display *disp);
+	void (*destroy)(struct wlr_session *session);
 	int (*open)(struct wlr_session *session, const char *path);
 	void (*close)(struct wlr_session *session, int fd);
 	bool (*change_vt)(struct wlr_session *session, unsigned vt);
diff --git a/include/wlr/backend/udev.h b/include/wlr/backend/udev.h
deleted file mode 100644
index 387a63e6..00000000
--- a/include/wlr/backend/udev.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef _WLR_BACKEND_UDEV_H
-#define _WLR_BACKEND_UDEV_H
-
-struct wlr_udev;
-
-struct wlr_udev *wlr_udev_create(struct wl_display *display);
-void wlr_udev_destroy(struct wlr_udev *udev);
-
-#endif