make headless rendering work again by setting the correct fbo

2 files changed, 9 insertions, 1 deletions

diff --git a/include/llmr/map/map.hpp b/include/llmr/map/map.hpp
index 6ffb0b8041..1af6b3c540 100644
--- a/include/llmr/map/map.hpp
+++ b/include/llmr/map/map.hpp
@@ -150,8 +150,10 @@ private:
     // ready for rendering.
     std::atomic_flag is_rendered = ATOMIC_FLAG_INIT;
 
-private:
+public:
     View &view;
+
+private:
     Transform transform;
     TransformState state;
 
diff --git a/include/llmr/map/view.hpp b/include/llmr/map/view.hpp
index 47ea244598..d032f783cb 100644
--- a/include/llmr/map/view.hpp
+++ b/include/llmr/map/view.hpp
@@ -20,6 +20,12 @@ public:
     // renderer setup since the render thread doesn't switch the contexts.
     virtual void make_active() = 0;
 
+    // Returns the base framebuffer object, if any, and 0 if using the system
+    // provided framebuffer.
+    virtual unsigned int root_fbo() {
+        return 0;
+    }
+
 protected:
     llmr::Map *map = nullptr;
 };