1 #include <msp/graphics/display.h>
2 #include <msp/vr/stereoview.h>
3 #include "oculusriftdevice.h"
4 #include "oculusriftdevice_private.h"
11 unsigned OculusRiftDevice::n_instances = 0;
13 OculusRiftDevice::OculusRiftDevice():
21 priv->ovr_hmd = ovrHmd_Create(0);
25 throw runtime_error("rift hmd not found");
29 OculusRiftDevice::~OculusRiftDevice()
31 ovrHmd_Destroy(priv->ovr_hmd);
39 void OculusRiftDevice::configure_window(Graphics::Window &window) const
41 Graphics::WindowOptions win_opts = window.get_options();
42 win_opts.width = priv->ovr_hmd->Resolution.w;
43 win_opts.height = priv->ovr_hmd->Resolution.h;
45 const list<Graphics::Monitor> &monitors = window.get_display().get_monitors();
46 string hmd_name = priv->ovr_hmd->ProductName;
47 for(list<Graphics::Monitor>::const_iterator i=monitors.begin(); i!=monitors.end(); ++i)
48 if(hmd_name.find(i->name)!=string::npos)
50 win_opts.fullscreen = true;
51 win_opts.fullscreen_monitor = &*i;
52 win_opts.fullscreen_exclusive = false;
55 window.reconfigure(win_opts);
58 void OculusRiftDevice::configure_view(StereoView &view) const
60 ovrEyeRenderDesc left_desc = ovrHmd_GetRenderDesc(priv->ovr_hmd, ovrEye_Left, priv->ovr_hmd->DefaultEyeFov[ovrEye_Left]);
61 ovrEyeRenderDesc right_desc = ovrHmd_GetRenderDesc(priv->ovr_hmd, ovrEye_Right, priv->ovr_hmd->DefaultEyeFov[ovrEye_Left]);
62 view.set_eye_spacing(left_desc.HmdToEyeViewOffset.x-right_desc.HmdToEyeViewOffset.x);
65 OculusRiftCamera *OculusRiftDevice::create_camera(const GL::Camera &bc)
67 return new OculusRiftCamera(*this, bc);
70 OculusRiftCombiner *OculusRiftDevice::create_combiner(GL::View &view)
72 return new OculusRiftCombiner(*this, view);
75 void OculusRiftDevice::begin_frame()
77 priv->frame_timing = ovrHmd_BeginFrameTiming(priv->ovr_hmd, ++frame_index);
81 void OculusRiftDevice::end_frame()
84 ovrHmd_EndFrameTiming(priv->ovr_hmd);
85 timing_active = false;
88 double OculusRiftDevice::get_tracking_time() const
91 throw logic_error("timing not active");
92 return priv->frame_timing.ScanoutMidpointSeconds;
95 double OculusRiftDevice::get_timewarp_time() const
98 throw logic_error("timing not active");
99 return priv->frame_timing.TimewarpPointSeconds;
102 double OculusRiftDevice::get_current_time() const
104 return ovr_GetTimeInSeconds();