source/oculusriftdevice.cpp

   1 #include "oculusriftdevice.h"
   2 #include "oculusriftdevice_private.h"
   3 #include "stereoview.h"
   4
   5 using namespace std;
   6
   7 namespace Msp {
   8 namespace VR {
   9
  10 unsigned OculusRiftDevice::n_instances = 0;
  11
  12 OculusRiftDevice::OculusRiftDevice():
  13         priv(new Private)
  14 {
  15         if(!n_instances)
  16                 ovr_Initialize();
  17         ++n_instances;
  18
  19         priv->ovr_hmd = ovrHmd_Create(0);
  20         if(!priv->ovr_hmd)
  21         {
  22                 delete priv;
  23                 throw runtime_error("rift hmd not found");
  24         }
  25 }
  26
  27 OculusRiftDevice::~OculusRiftDevice()
  28 {
  29         ovrHmd_Destroy(priv->ovr_hmd);
  30         delete priv;
  31
  32         --n_instances;
  33         if(!n_instances)
  34                 ovr_Shutdown();
  35 }
  36
  37 void OculusRiftDevice::configure_view(StereoView &view) const
  38 {
  39         ovrEyeRenderDesc left_desc = ovrHmd_GetRenderDesc(priv->ovr_hmd, ovrEye_Left, priv->ovr_hmd->DefaultEyeFov[ovrEye_Left]);
  40         ovrEyeRenderDesc right_desc = ovrHmd_GetRenderDesc(priv->ovr_hmd, ovrEye_Right, priv->ovr_hmd->DefaultEyeFov[ovrEye_Left]);
  41         view.set_eye_spacing(left_desc.HmdToEyeViewOffset.x-right_desc.HmdToEyeViewOffset.x);
  42 }
  43
  44 OculusRiftCamera *OculusRiftDevice::create_camera(const GL::Camera &bc) const
  45 {
  46         return new OculusRiftCamera(*this, bc);
  47 }
  48
  49 OculusRiftCombiner *OculusRiftDevice::create_combiner() const
  50 {
  51         return new OculusRiftCombiner(*this);
  52 }
  53
  54 } // namespace VR
  55 } // namespace Msp