X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fovr%2Foculusriftdevice.cpp;fp=source%2Fovr%2Foculusriftdevice.cpp;h=32558e049aab576cc82403789c65058b78f9d7f9;hb=12044b218363bdd93f9fc1b3c71167d700144e45;hp=0000000000000000000000000000000000000000;hpb=8d1197440f07062a1020d902619ae8e9a494baa0;p=libs%2Fvr.git

diff --git a/source/ovr/oculusriftdevice.cpp b/source/ovr/oculusriftdevice.cpp
new file mode 100644
index 0000000..32558e0
--- /dev/null
+++ b/source/ovr/oculusriftdevice.cpp
@@ -0,0 +1,88 @@
+#include <msp/vr/stereoview.h>
+#include "oculusriftdevice.h"
+#include "oculusriftdevice_private.h"
+
+using namespace std;
+
+namespace Msp {
+namespace VR {
+
+unsigned OculusRiftDevice::n_instances = 0;
+
+OculusRiftDevice::OculusRiftDevice():
+	priv(new Private),
+	frame_index(0)
+{
+	if(!n_instances)
+		ovr_Initialize();
+	++n_instances;
+
+	priv->ovr_hmd = ovrHmd_Create(0);
+	if(!priv->ovr_hmd)
+	{
+		delete priv;
+		throw runtime_error("rift hmd not found");
+	}
+}
+
+OculusRiftDevice::~OculusRiftDevice()
+{
+	ovrHmd_Destroy(priv->ovr_hmd);
+	delete priv;
+
+	--n_instances;
+	if(!n_instances)
+		ovr_Shutdown();
+}
+
+void OculusRiftDevice::configure_view(StereoView &view) const
+{
+	ovrEyeRenderDesc left_desc = ovrHmd_GetRenderDesc(priv->ovr_hmd, ovrEye_Left, priv->ovr_hmd->DefaultEyeFov[ovrEye_Left]);
+	ovrEyeRenderDesc right_desc = ovrHmd_GetRenderDesc(priv->ovr_hmd, ovrEye_Right, priv->ovr_hmd->DefaultEyeFov[ovrEye_Left]);
+	view.set_eye_spacing(left_desc.HmdToEyeViewOffset.x-right_desc.HmdToEyeViewOffset.x);
+}
+
+OculusRiftCamera *OculusRiftDevice::create_camera(const GL::Camera &bc) const
+{
+	return new OculusRiftCamera(*this, bc);
+}
+
+OculusRiftCombiner *OculusRiftDevice::create_combiner() const
+{
+	return new OculusRiftCombiner(*this);
+}
+
+void OculusRiftDevice::begin_frame()
+{
+	priv->frame_timing = ovrHmd_BeginFrameTiming(priv->ovr_hmd, ++frame_index);
+	timing_active = true;
+}
+
+void OculusRiftDevice::end_frame()
+{
+	glFinish();
+	ovrHmd_EndFrameTiming(priv->ovr_hmd);
+	timing_active = false;
+}
+
+double OculusRiftDevice::get_tracking_time() const
+{
+	if(!timing_active)
+		throw logic_error("timing not active");
+	return priv->frame_timing.ScanoutMidpointSeconds;
+}
+
+double OculusRiftDevice::get_timewarp_time() const
+{
+	if(!timing_active)
+		throw logic_error("timing not active");
+	return priv->frame_timing.TimewarpPointSeconds;
+}
+
+double OculusRiftDevice::get_current_time() const
+{
+	return ovr_GetTimeInSeconds();
+}
+
+} // namespace VR
+} // namespace Msp