private static extern void ovrHmd_GetRenderScaleAndOffset(ovrFovPort fov,
ovrSizei textureSize,
ovrRecti renderViewport,
[MarshalAs(UnmanagedType.LPArray, SizeConst = 2)]
[Out] out ovrVector2f[] uvScaleOffsetOut);
internal ovrHmdDesc(ovrHmdDesc_Raw raw)
{
this.Handle = raw.Handle;
this.Type = (ovrHmdType)raw.Type;
this.ProductName = Marshal.PtrToStringAnsi(raw.ProductName);
this.Manufacturer = Marshal.PtrToStringAnsi(raw.Manufacturer);
this.VendorId = raw.VendorId;
this.ProductId = raw.ProductId;
this.SerialNumber = raw.SerialNumber;
this.FirmwareMajor = raw.FirmwareMajor;
this.FirmwareMinor = raw.FirmwareMinor;
this.CameraFrustumHFovInRadians = raw.CameraFrustumHFovInRadians;
this.CameraFrustumVFovInRadians = raw.CameraFrustumVFovInRadians;
this.CameraFrustumNearZInMeters = raw.CameraFrustumNearZInMeters;
this.CameraFrustumFarZInMeters = raw.CameraFrustumFarZInMeters;
this.HmdCaps = raw.HmdCaps;
this.TrackingCaps = raw.TrackingCaps;
this.DistortionCaps = raw.DistortionCaps;
this.Resolution = raw.Resolution;
this.WindowsPos = raw.WindowsPos;
this.DefaultEyeFov = new ovrFovPort[2] { raw.DefaultEyeFov_0, raw.DefaultEyeFov_1 };
this.MaxEyeFov = new ovrFovPort[2] { raw.MaxEyeFov_0, raw.MaxEyeFov_1 };
this.EyeRenderOrder = new ovrEyeType[2] { ovrEyeType.ovrEye_Left, ovrEyeType.ovrEye_Right };
this.DisplayDeviceName = Marshal.PtrToStringAnsi(raw.DisplayDeviceName);
this.DisplayId = raw.DisplayId;
}
// Computes updated 'uvScaleOffsetOut' to be used with a distortion if render target size or
// viewport changes after the fact. This can be used to adjust render size every frame, if desired.
public ovrVector2f[] GetRenderScaleAndOffset(ovrFovPort fov,
ovrSizei textureSize,
ovrRecti renderViewport)
{
ovrVector2f[] uvScaleOffsetOut;
ovrHmd_GetRenderScaleAndOffset(fov, textureSize, renderViewport, out uvScaleOffsetOut);
return uvScaleOffsetOut;
}
