X-Git-Url: http://git.tdb.fi/?p=libs%2Fvr.git;a=blobdiff_plain;f=source%2Fopenvr%2Fopenvrdevice.cpp;fp=source%2Fopenvr%2Fopenvrdevice.cpp;h=1081a04937767ee68cb09521522fa00cfc32ab32;hp=0000000000000000000000000000000000000000;hb=78598b41009aeabb7f9b4b4ddc05b68e7edd6eb6;hpb=ca9e343224762bd43c91af1b15ecba12ebf3e991

diff --git a/source/openvr/openvrdevice.cpp b/source/openvr/openvrdevice.cpp
new file mode 100644
index 0000000..1081a04
--- /dev/null
+++ b/source/openvr/openvrdevice.cpp
@@ -0,0 +1,61 @@
+#include <openvr.h>
+#include "openvrdevice.h"
+
+using namespace std;
+
+namespace Msp {
+namespace VR {
+
+unsigned OpenVRDevice::n_instances = 0;
+
+OpenVRDevice::OpenVRDevice()
+{
+	if(!n_instances)
+	{
+		vr::EVRInitError init_err;
+		vr::VR_Init(&init_err, vr::VRApplication_Scene);
+		if(init_err!=vr::VRInitError_None)
+			throw runtime_error("OpenVR initialization failed");
+	}
+	++n_instances;
+
+	vr::IVRCompositor *compositor = vr::VRCompositor();
+	if(!compositor)
+		throw runtime_error("OpenVR compositor initialization failed");
+
+	vr::VRCompositor()->SetTrackingSpace(vr::TrackingUniverseSeated);
+}
+
+OpenVRDevice::~OpenVRDevice()
+{
+	if(!--n_instances)
+		vr::VR_Shutdown();
+}
+
+OpenVRCamera *OpenVRDevice::create_camera(const GL::Camera &bc)
+{
+	return new OpenVRCamera(*this, bc);
+}
+
+OpenVRCombiner *OpenVRDevice::create_combiner(GL::View &)
+{
+	return new OpenVRCombiner(*this);
+}
+
+void OpenVRDevice::update_pose_matrices()
+{
+	vector<vr::TrackedDevicePose_t> poses;
+	poses.resize(vr::k_unTrackedDeviceIndex_Hmd+1);
+	vr::VRCompositor()->WaitGetPoses(&poses[0], poses.size(), 0, 0);
+
+	vr::TrackedDevicePose_t &hmd_pose = poses[vr::k_unTrackedDeviceIndex_Hmd];
+	if(hmd_pose.bPoseIsValid)
+	{
+		for(unsigned i=0; i<3; ++i)
+			for(unsigned j=0; j<4; ++j)
+				hmd_matrix(i, j) = hmd_pose.mDeviceToAbsoluteTracking.m[i][j];
+	}
+}
+
+} // namespace VR
+} // namespace Msp