4 files changed, 24 insertions, 4 deletions
diff --git a/servers/arvr/arvr_interface.cpp b/servers/arvr/arvr_interface.cpp
index 3e59daff6c..686ad0ba9b 100644
--- a/servers/arvr/arvr_interface.cpp
+++ b/servers/arvr/arvr_interface.cpp
@@ -123,6 +123,11 @@ ARVRInterface::ARVRInterface() {
 
 ARVRInterface::~ARVRInterface(){};
 
+// optional render to external texture which enhances performance on those platforms that require us to submit our end result into special textures.
+unsigned int ARVRInterface::get_external_texture_for_eye(ARVRInterface::Eyes p_eye) {
+	return 0;
+};
+
 /** these will only be implemented on AR interfaces, so we want dummies for VR **/
 bool ARVRInterface::get_anchor_detection_is_enabled() const {
 	return false;
diff --git a/servers/arvr/arvr_interface.h b/servers/arvr/arvr_interface.h
index 6908f3006a..8459a82388 100644
--- a/servers/arvr/arvr_interface.h
+++ b/servers/arvr/arvr_interface.h
@@ -108,6 +108,7 @@ public:
 	virtual bool is_stereo() = 0; /* returns true if this interface requires stereo rendering (for VR HMDs) or mono rendering (for mobile AR) */
 	virtual Transform get_transform_for_eye(ARVRInterface::Eyes p_eye, const Transform &p_cam_transform) = 0; /* get each eyes camera transform, also implement EYE_MONO */
 	virtual CameraMatrix get_projection_for_eye(ARVRInterface::Eyes p_eye, real_t p_aspect, real_t p_z_near, real_t p_z_far) = 0; /* get each eyes projection matrix */
+	virtual unsigned int get_external_texture_for_eye(ARVRInterface::Eyes p_eye); /* if applicable return external texture to render to */
 	virtual void commit_for_eye(ARVRInterface::Eyes p_eye, RID p_render_target, const Rect2 &p_screen_rect) = 0; /* output the left or right eye */
 
 	virtual void process() = 0;
diff --git a/servers/arvr/arvr_positional_tracker.cpp b/servers/arvr/arvr_positional_tracker.cpp
index b96e9596f3..aabe617a8a 100644
--- a/servers/arvr/arvr_positional_tracker.cpp
+++ b/servers/arvr/arvr_positional_tracker.cpp
@@ -46,6 +46,7 @@ void ARVRPositionalTracker::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_position"), &ARVRPositionalTracker::get_position);
 	ClassDB::bind_method(D_METHOD("get_hand"), &ARVRPositionalTracker::get_hand);
 	ClassDB::bind_method(D_METHOD("get_transform", "adjust_by_reference_frame"), &ARVRPositionalTracker::get_transform);
+	ClassDB::bind_method(D_METHOD("get_mesh"), &ARVRPositionalTracker::get_mesh);
 
 	// these functions we don't want to expose to normal users but do need to be callable from GDNative
 	ClassDB::bind_method(D_METHOD("_set_type", "type"), &ARVRPositionalTracker::set_type);
@@ -53,7 +54,7 @@ void ARVRPositionalTracker::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_set_joy_id", "joy_id"), &ARVRPositionalTracker::set_joy_id);
 	ClassDB::bind_method(D_METHOD("_set_orientation", "orientation"), &ARVRPositionalTracker::set_orientation);
 	ClassDB::bind_method(D_METHOD("_set_rw_position", "rw_position"), &ARVRPositionalTracker::set_rw_position);
-
+	ClassDB::bind_method(D_METHOD("_set_mesh", "mesh"), &ARVRPositionalTracker::set_mesh);
 	ClassDB::bind_method(D_METHOD("get_rumble"), &ARVRPositionalTracker::get_rumble);
 	ClassDB::bind_method(D_METHOD("set_rumble", "rumble"), &ARVRPositionalTracker::set_rumble);
 
@@ -154,6 +155,18 @@ Vector3 ARVRPositionalTracker::get_rw_position() const {
 	return rw_position;
 };
 
+void ARVRPositionalTracker::set_mesh(const Ref<Mesh> &p_mesh) {
+	_THREAD_SAFE_METHOD_
+
+	mesh = p_mesh;
+};
+
+Ref<Mesh> ARVRPositionalTracker::get_mesh() const {
+	_THREAD_SAFE_METHOD_
+
+	return mesh;
+};
+
 ARVRPositionalTracker::TrackerHand ARVRPositionalTracker::get_hand() const {
 	return hand;
 };
diff --git a/servers/arvr/arvr_positional_tracker.h b/servers/arvr/arvr_positional_tracker.h
index 7cb9486f59..0d6a69540f 100644
--- a/servers/arvr/arvr_positional_tracker.h
+++ b/servers/arvr/arvr_positional_tracker.h
@@ -32,6 +32,7 @@
 #define ARVR_POSITIONAL_TRACKER_H
 
 #include "core/os/thread_safe.h"
+#include "scene/resources/mesh.h"
 #include "servers/arvr_server.h"
 
 /**
@@ -40,9 +41,6 @@
 	The positional tracker object as an object that represents the position and orientation of a tracked object like a controller or headset.
 	An AR/VR Interface will registered the trackers it manages with our AR/VR server and update its position and orientation.
 	This is where potentially additional AR/VR interfaces may be active as there are AR/VR SDKs that solely deal with positional tracking.
-
-	@TODO:
-	- create subclass of spatial node that uses one of our positional trackers to automatically determine its position
 */
 
 class ARVRPositionalTracker : public Object {
@@ -65,6 +63,7 @@ private:
 	Basis orientation; // our orientation
 	bool tracks_position; // do we track position?
 	Vector3 rw_position; // our position "in the real world, so without world_scale applied"
+	Ref<Mesh> mesh; // when available, a mesh that can be used to render this tracker
 	TrackerHand hand; // if known, the hand this tracker is held in
 	real_t rumble; // rumble strength, 0.0 is off, 1.0 is maximum, note that we only record here, arvr_interface is responsible for execution
 
@@ -91,6 +90,8 @@ public:
 	void set_hand(const ARVRPositionalTracker::TrackerHand p_hand);
 	real_t get_rumble() const;
 	void set_rumble(real_t p_rumble);
+	void set_mesh(const Ref<Mesh> &p_mesh);
+	Ref<Mesh> get_mesh() const;
 
 	Transform get_transform(bool p_adjust_by_reference_frame) const;