/// <summary>
///
/// </summary>
/// <param name="parameters"></param>
public OculusRiftDisplay(Game game, GraphicsDevice device, GameParameters parameters) : base(game, device, parameters)
{
window = CreateForm(parameters, null);
oculus = new Wrap();
// Initialize the Oculus runtime.
oculus.Initialize();
// Use the head mounted display, if it's available, otherwise use the debug HMD.
int numberOfHeadMountedDisplays = oculus.Hmd_Detect();
if (numberOfHeadMountedDisplays > 0)
{
hmd = oculus.Hmd_Create(0);
}
else
{
hmd = oculus.Hmd_CreateDebug(OculusWrap.OVR.HmdType.DK2);
}
if (hmd == null)
{
MessageBox.Show("Oculus Rift not detected.", "Uh oh", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (hmd.ProductName == string.Empty)
{
MessageBox.Show("The HMD is not enabled.", "There's a tear in the Rift", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
OVR.Recti destMirrorRect;
OVR.Recti sourceRenderTargetRect;
hmd.AttachToWindow(window.Handle, out destMirrorRect, out sourceRenderTargetRect);
// Create a backbuffer that's the same size as the HMD's resolution.
OVR.Sizei backBufferSize;
backBufferSize.Width = hmd.Resolution.Width;
backBufferSize.Height = hmd.Resolution.Height;
Input.OculusRiftSensors.RecenterPosition = hmd.RecenterPose;
var deviceFlags = DeviceCreationFlags.None;
deviceFlags |= parameters.UseDebugDevice ? DeviceCreationFlags.Debug : DeviceCreationFlags.None;
var driverType = DriverType.Hardware;
var featureLevel = HardwareProfileChecker.GetFeatureLevel(parameters.GraphicsProfile);
swapChainDesc = new SwapChainDescription {
BufferCount = 1,
ModeDescription = new ModeDescription(backBufferSize.Width, backBufferSize.Height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
IsWindowed = true,
OutputHandle = window.Handle,
SampleDescription = new SampleDescription(parameters.MsaaLevel, 0),
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput | Usage.ShaderInput,
Flags = SwapChainFlags.None,
};
D3D.Device.CreateWithSwapChain(driverType, deviceFlags, new[] { featureLevel }, swapChainDesc, out d3dDevice, out swapChain);
var factory = swapChain.GetParent <Factory>();
factory.MakeWindowAssociation(window.Handle, WindowAssociationFlags.IgnoreAll);
clientWidth = window.ClientSize.Width;
clientHeight = window.ClientSize.Height;
}
