1 files changed, 134 insertions, 0 deletions
diff --git a/backend/rdp/backend.c b/backend/rdp/backend.c
new file mode 100644
index 00000000..ef0fca85
--- /dev/null
+++ b/backend/rdp/backend.c
@@ -0,0 +1,134 @@
+#define _POSIX_C_SOURCE 200809L
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wlr/render/egl.h>
+#include <wlr/render/gles2.h>
+#include <wlr/util/log.h>
+#include "backend/rdp.h"
+#include "glapi.h"
+#include "util/signal.h"
+
+struct wlr_rdp_backend *rdp_backend_from_backend(
+		struct wlr_backend *wlr_backend) {
+	assert(wlr_backend_is_rdp(wlr_backend));
+	return (struct wlr_rdp_backend *)wlr_backend;
+}
+
+static bool backend_start(struct wlr_backend *wlr_backend) {
+	struct wlr_rdp_backend *backend =
+		rdp_backend_from_backend(wlr_backend);
+	assert(backend->listener == NULL);
+	wlr_log(WLR_INFO, "Starting RDP backend");
+	if (!rdp_configure_listener(backend)) {
+		return false;
+	}
+	return true;
+}
+
+void wlr_rdp_backend_set_address(struct wlr_backend *wlr_backend,
+		const char *address) {
+	struct wlr_rdp_backend *backend =
+		rdp_backend_from_backend(wlr_backend);
+	assert(backend->listener == NULL);
+	backend->address = strdup(address);
+}
+
+void wlr_rdp_backend_set_port(struct wlr_backend *wlr_backend, int port) {
+	struct wlr_rdp_backend *backend =
+		rdp_backend_from_backend(wlr_backend);
+	assert(backend->listener == NULL);
+	backend->port = port;
+}
+
+static void backend_destroy(struct wlr_backend *wlr_backend) {
+	struct wlr_rdp_backend *backend =
+		rdp_backend_from_backend(wlr_backend);
+	if (!wlr_backend) {
+		return;
+	}
+
+	wl_list_remove(&backend->display_destroy.link);
+
+	struct wlr_rdp_peer_context *client;
+	wl_list_for_each(client, &backend->clients, link) {
+		freerdp_peer_context_free(client->peer);
+		freerdp_peer_free(client->peer);
+	}
+
+	wlr_signal_emit_safe(&wlr_backend->events.destroy, backend);
+
+	wlr_renderer_destroy(backend->renderer);
+	wlr_egl_finish(&backend->egl);
+	free(backend->address);
+	free(backend);
+}
+
+static struct wlr_renderer *backend_get_renderer(
+		struct wlr_backend *wlr_backend) {
+	struct wlr_rdp_backend *backend =
+		rdp_backend_from_backend(wlr_backend);
+	return backend->renderer;
+}
+
+static const struct wlr_backend_impl backend_impl = {
+	.start = backend_start,
+	.destroy = backend_destroy,
+	.get_renderer = backend_get_renderer,
+};
+
+static void handle_display_destroy(struct wl_listener *listener, void *data) {
+	struct wlr_rdp_backend *backend =
+		wl_container_of(listener, backend, display_destroy);
+	backend_destroy(&backend->backend);
+}
+
+struct wlr_backend *wlr_rdp_backend_create(struct wl_display *display,
+		wlr_renderer_create_func_t create_renderer_func,
+		const char *tls_cert_path, const char *tls_key_path) {
+	wlr_log(WLR_INFO, "Creating RDP backend");
+
+	struct wlr_rdp_backend *backend =
+		calloc(1, sizeof(struct wlr_rdp_backend));
+	if (!backend) {
+		wlr_log(WLR_ERROR, "Failed to allocate wlr_rdp_backend");
+		return NULL;
+	}
+	wlr_backend_init(&backend->backend, &backend_impl);
+	backend->display = display;
+	backend->tls_cert_path = tls_cert_path;
+	backend->tls_key_path = tls_key_path;
+	backend->address = strdup("127.0.0.1");
+	backend->port = 3389;
+	wl_list_init(&backend->clients);
+
+	static const EGLint config_attribs[] = {
+		EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
+		EGL_ALPHA_SIZE, 0,
+		EGL_BLUE_SIZE, 1,
+		EGL_GREEN_SIZE, 1,
+		EGL_RED_SIZE, 1,
+		EGL_NONE,
+	};
+
+	if (!create_renderer_func) {
+		create_renderer_func = wlr_renderer_autocreate;
+	}
+
+	backend->renderer = create_renderer_func(&backend->egl,
+		EGL_PLATFORM_SURFACELESS_MESA, NULL, (EGLint*)config_attribs, 0);
+	if (!backend->renderer) {
+		wlr_log(WLR_ERROR, "Failed to create renderer");
+		free(backend);
+		return NULL;
+	}
+
+	backend->display_destroy.notify = handle_display_destroy;
+	wl_display_add_destroy_listener(display, &backend->display_destroy);
+
+	return &backend->backend;
+}
+
+bool wlr_backend_is_rdp(struct wlr_backend *backend) {
+	return backend->impl == &backend_impl;
+}