[idd] transport: route immutable texture frames

idd/LGIdd/transport/FrameIn.h

@@ -0,0 +1,42 @@
+/**
+ * Looking Glass
+ * Copyright © 2017-2026 The Looking Glass Authors
+ * https://looking-glass.io
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#pragma once
+
+#include "capture/CFrameGraph.h"
+
+#include <stdint.h>
+
+enum class PushResult : uint8_t
+{
+  ACCEPTED,
+  BUSY,
+  STALE,
+  REJECTED,
+  FAILED,
+};
+
+// The texture is supplied separately as exactly one typed lease. Node zero is
+// never valid because it is the borrowed IddCx acquisition surface.
+struct FrameIn
+{
+  uint64_t graph = 0;
+  LeafDesc desc;
+};