Add FreeRDP backend for remote desktop support

1 files changed, 98 insertions, 0 deletions

diff --git a/include/backend/rdp.h b/include/backend/rdp.h
new file mode 100644
index 00000000..f8faa8fd
--- /dev/null
+++ b/include/backend/rdp.h
@@ -0,0 +1,98 @@
+#ifndef BACKEND_RDP_H
+#define BACKEND_RDP_H
+#include <freerdp/codec/color.h>
+#include <freerdp/codec/nsc.h>
+#include <freerdp/codec/rfx.h>
+#include <freerdp/freerdp.h>
+#include <freerdp/input.h>
+#include <freerdp/listener.h>
+#include <freerdp/locale/keyboard.h>
+#include <freerdp/update.h>
+#include <pixman.h>
+#include <wlr/backend/interface.h>
+#include <wlr/backend/rdp.h>
+#include <wlr/types/wlr_input_device.h>
+#include <wlr/types/wlr_keyboard.h>
+#include <wlr/types/wlr_output.h>
+#include <wlr/types/wlr_pointer.h>
+#include <xkbcommon/xkbcommon.h>
+
+#define MAX_FREERDP_FDS 64
+
+struct wlr_rdp_peer_context;
+
+struct wlr_rdp_output {
+	struct wlr_output wlr_output;
+	struct wlr_rdp_backend *backend;
+	struct wlr_rdp_peer_context *context;
+
+	void *egl_surface;
+	pixman_image_t *shadow_surface;
+	struct wl_event_source *frame_timer;
+	int frame_delay; // ms
+};
+
+struct wlr_rdp_input_device {
+	struct wlr_input_device wlr_input_device;
+};
+
+struct wlr_rdp_keyboard {
+	struct wlr_keyboard keyboard;
+	struct xkb_keymap *keymap;
+};
+
+enum wlr_rdp_peer_flags {
+	RDP_PEER_ACTIVATED = 1 << 0,
+	RDP_PEER_OUTPUT_ENABLED = 1 << 1,
+};
+
+struct wlr_rdp_peer_context {
+	rdpContext _p;
+
+	struct wlr_rdp_backend *backend;
+	struct wl_event_source *events[MAX_FREERDP_FDS];
+	freerdp_peer *peer;
+	uint32_t flags;
+	RFX_CONTEXT *rfx_context;
+	wStream *encode_stream;
+	RFX_RECT *rfx_rects;
+	NSC_CONTEXT *nsc_context;
+
+	struct wlr_rdp_output *output;
+	struct wlr_rdp_input_device *pointer;
+	struct wlr_rdp_input_device *keyboard;
+
+	struct wl_list link;
+};
+
+struct wlr_rdp_backend {
+	struct wlr_backend backend;
+	struct wlr_egl egl;
+	struct wlr_renderer *renderer;
+	struct wl_display *display;
+	struct wl_listener display_destroy;
+
+	const char *tls_cert_path;
+	const char *tls_key_path;
+	char *address;
+	int port;
+
+	freerdp_listener *listener;
+	struct wl_event_source *listener_events[MAX_FREERDP_FDS];
+
+	struct wl_list clients;
+};
+
+struct wlr_rdp_backend *rdp_backend_from_backend(
+	struct wlr_backend *wlr_backend);
+bool rdp_configure_listener(struct wlr_rdp_backend *backend);
+int rdp_peer_init(freerdp_peer *client, struct wlr_rdp_backend *backend);
+struct wlr_rdp_output *wlr_rdp_output_create(struct wlr_rdp_backend *backend,
+		struct wlr_rdp_peer_context *context, unsigned int width,
+		unsigned int height);
+struct wlr_rdp_input_device *wlr_rdp_pointer_create(
+		struct wlr_rdp_backend *backend, struct wlr_rdp_peer_context *context);
+struct wlr_rdp_input_device *wlr_rdp_keyboard_create(
+		struct wlr_rdp_backend *backend, rdpSettings *settings);
+
+#endif