protected override void Terminate()
{
if (hmd != null)
{
hmd.Dispose();
}
OVR.Shutdown();
}
public Matrix GetProjectionMatrix(EyeType eyeType, float nearPlane = 0.1f, float farPlane = 10000f)
{
Matrix result;
Matrix projection = OVR.MatrixProjection(this.eyeRenderDesc[(int)eyeType].Fov, nearPlane, farPlane, true);
Matrix.Transpose(ref projection, out result);
return(result);
}
/// <summary>
/// OVRRender renderer
/// </summary>
protected override void Render()
{
int currentIndex = 0;
if (this.IsConnected)
{
OVR.FrameTiming frameTiming = this.Hmd.GetFrameTiming(0);
OVR.TrackingState trackingState = this.Hmd.GetTrackingState(frameTiming.DisplayMidpointSeconds);
// Calculate the position and orientation of each eye.
this.Oculus.CalcEyePoses(trackingState.HeadPose.ThePose, this.hmdToEyeViewOffsets, ref this.oculusEyePoses);
trackingState.CameraPose.Position.ToVector3(out this.trackerCameraPose.Position);
trackingState.CameraPose.Orientation.ToQuaternion(out this.trackerCameraPose.Orientation);
currentIndex = this.eyeSwapTextureSet.CurrentIndex++;
for (int eyeIndex = 0; eyeIndex < 2; eyeIndex++)
{
this.oculusEyePoses[eyeIndex].Position.ToVector3(out this.eyePoses[eyeIndex].Position);
this.oculusEyePoses[eyeIndex].Orientation.ToQuaternion(out this.eyePoses[eyeIndex].Orientation);
this.eyeTextures[eyeIndex].RenderTarget = (this.msaaSampleCount > 1) ? this.msaaRenderTarget : this.swapRenderTargets[currentIndex];
// Get eye projection
OVR.ovrMatrix4f_Projection(this.eyeTextures[eyeIndex].FieldOfView, this.eyeTextures[eyeIndex].NearPlane, this.eyeTextures[eyeIndex].FarPlane, OVR.ProjectionModifier.RightHanded).ToMatrix(out this.eyePoses[eyeIndex].Projection);
this.layerEyeFov.RenderPose[eyeIndex] = this.oculusEyePoses[eyeIndex];
}
// Calc central position
Vector3.Lerp(ref this.eyePoses[0].Position, ref this.eyePoses[1].Position, 0.5f, out this.eyePoses[2].Position);
Quaternion.Lerp(ref this.eyePoses[0].Orientation, ref this.eyePoses[1].Orientation, 0.5f, out this.eyePoses[2].Orientation);
}
base.Render();
if (this.IsConnected)
{
if (this.msaaSampleCount > 1)
{
var rtManager = this.adapter.Graphics.RenderTargetManager as RenderTargetManager;
var dxRt = rtManager.TargetFromHandle <DXRenderTarget>(this.msaaRenderTarget.TextureHandle);
var dxSwapRt = rtManager.TargetFromHandle <DXRenderTarget>(this.swapRenderTargets[currentIndex].TextureHandle);
this.context.ResolveSubresource(dxRt.Target, 0, dxSwapRt.Target, 0, Format.R8G8B8A8_UNorm_SRgb);
}
// Submit frame to HMD
this.Hmd.SubmitFrame(0, this.ovrLayers);
if (this.ShowHMDMirrorTexture)
{
// Show mirror texture into BackBuffer
this.device.ImmediateContext.CopyResource(this.mirrorTexture, this.backBuffer);
}
}
}
/// <summary>
/// Converts an ovrQuatf to a Wave Quaternion.
/// </summary>
/// <param name="ovrQuatf">The ovr quaternion</param>
/// <returns>The Wave Quaternion</returns>
public static Quaternion ToQuaternion(OVR.Quaternionf ovrQuatf)
{
return new Quaternion(ovrQuatf.X, ovrQuatf.Y, ovrQuatf.Z, ovrQuatf.W);
}
/// <summary>
/// Write out any error details received from the Oculus SDK, into the debug output window.
/// Please note that writing text to the debug output window is a slow operation and will affect performance,
/// if too many messages are written in a short timespan.
/// </summary>
/// <param name="oculus">OculusWrap object for which the error occurred.</param>
/// <param name="result">Error code to write in the debug text.</param>
/// <param name="message">Error message to include in the debug text.</param>
public static void WriteErrorDetails(Wrap oculus, OVR.ovrResult result, string message)
{
if (result >= OVR.ovrResult.Success)
{
return;
}
// Retrieve the error message from the last occurring error.
OVR.ovrErrorInfo errorInformation = oculus.GetLastError();
string formattedMessage = string.Format("{0}. \nMessage: {1} (Error code={2})", message, errorInformation.ErrorString, errorInformation.Result);
throw new Exception(formattedMessage);
}
protected override void Initialize()
{
hmd = null;
// Initialize OVR
OVR.Initialize();
// Create the HMD
hmd = OVR.HmdCreate(0);
if (this.IsConnected = (hmd != null))
{
this.IsConnected = true;
}
else
{
hmd = OVR.HmdCreateDebug(HMDType.DK1);
this.IsConnected = false;
}
// Attach HMD to windows
hmd.AttachToWindow(this.application.NativeWindows);
//var renderTargetSize = hmd.GetDefaultRenderTargetSize(0.5f);
var renderTargetSize = new Size2(1280, 800);
// Create our render target
renderTarget = WaveServices.GraphicsDevice.RenderTargets.CreateRenderTarget(renderTargetSize.Width, renderTargetSize.Height);
var InternalRenderTarget = application.Adapter.Graphics.RenderTargetManager.TargetFromHandle <DXRenderTarget>(renderTarget.TextureHandle);
// The viewport sizes
Rect[] eyeRenderViewport = new Rect[2];
eyeRenderViewport[0] = new Rect(0, 0, renderTargetSize.Width / 2, renderTargetSize.Height);
eyeRenderViewport[1] = new Rect((renderTargetSize.Width + 1) / 2, 0, renderTargetSize.Width / 2, renderTargetSize.Height);
// Create our eye texture data
eyeTexture = new D3D11TextureData[2];
eyeTexture[0].Header.API = RenderAPIType.D3D11;
eyeTexture[0].Header.TextureSize = renderTargetSize;
eyeTexture[0].Header.RenderViewport = eyeRenderViewport[0];
eyeTexture[0].pTexture = InternalRenderTarget.NativeTexture;
eyeTexture[0].pSRView = InternalRenderTarget.NativeResourceView;
// Right eye uses the same texture, but different rendering viewport
eyeTexture[1] = eyeTexture[0];
eyeTexture[1].Header.RenderViewport = eyeRenderViewport[1];
// Configure d3d11
D3D11ConfigData d3d11cfg = new D3D11ConfigData();
d3d11cfg.Header.API = RenderAPIType.D3D11;
d3d11cfg.Header.RTSize = hmd.Resolution;
d3d11cfg.Header.Multisample = 1;
d3d11cfg.pDevice = this.graphicsDevice.NativeDevice;
d3d11cfg.pDeviceContext = this.graphicsDevice.NativeContext;
d3d11cfg.pBackBufferRT = this.graphicsDevice.NativeBackBuffer;
d3d11cfg.pSwapChain = this.graphicsDevice.NativeSwapChain;
// Configure rendering
eyeRenderDesc = new EyeRenderDesc[2];
if (!hmd.ConfigureRendering(d3d11cfg,
DistortionCapabilities.Chromatic |
DistortionCapabilities.TimeWarp |
DistortionCapabilities.Vignette,
hmd.DefaultEyeFov, eyeRenderDesc))
{
throw new Exception("Invalid configure rendering");
}
// Set enabled capabilities
hmd.EnabledCaps = HMDCapabilities.LowPersistence | HMDCapabilities.DynamicPrediction;
// Configure tracking
hmd.ConfigureTracking(TrackingCapabilities.Orientation |
TrackingCapabilities.Position |
TrackingCapabilities.MagYawCorrection, TrackingCapabilities.None);
// Dimiss the Health and Safety Windows
hmd.DismissHSWDisplay();
// Get HMD output
this.application.SetAdapterOutput(hmd.DeviceName);
}
