Add a system creation function with automatic backend detection

[libs/vr.git] / source / openvr / openvrsystem.cpp

diff --git a/source/openvr/openvrsystem.cpp b/source/openvr/openvrsystem.cpp
index ec6b418d0a455a9e5f4fb5d7273a6a6e54cc5f8b..c137400542448b42fd12b5b7dccf84cef341e46f 100644 (file)
--- a/source/openvr/openvrsystem.cpp
+++ b/source/openvr/openvrsystem.cpp
@@ -47,6 +47,11 @@ OpenVRSystem::~OpenVRSystem()
                vr::VR_Shutdown();
 }
 
+bool OpenVRSystem::is_maybe_available()
+{
+       return vr::VR_IsHmdPresent();
+}
+
 void OpenVRSystem::configure_view(StereoView &view) const
 {
        vr::IVRSystem *vr_sys = vr::VRSystem();
@@ -69,6 +74,11 @@ void OpenVRSystem::configure_view(StereoView &view) const
        view.set_eye_matrices(convert_matrix(left), convert_matrix(right));
 }
 
+void OpenVRSystem::set_absolute_tracking(bool a)
+{
+       vr::VRCompositor()->SetTrackingSpace(a ? vr::TrackingUniverseStanding : vr::TrackingUniverseSeated);
+}
+
 OpenVRCamera *OpenVRSystem::create_camera(const GL::Camera &bc)
 {
        return new OpenVRCamera(*this, bc);