Computes timewarp matrices used by distortion mesh shader, these are used to adjust
for head orientation change since the last call to ovrHmd_GetEyePose when rendering
this eye. The ovrDistortionVertex::TimeWarpFactor is used to blend between the
matrices, usually representing two different sides of the screen.
Must be called on the same thread as ovrHmd_BeginFrameTiming.
Computes timewarp matrices used by distortion mesh shader, these are used to adjust for head orientation change since the last call to ovrHmd_GetEyePose when rendering this eye. The ovrDistortionVertex::TimeWarpFactor is used to blend between the matrices, usually representing two different sides of the screen. Must be called on the same thread as ovrHmd_BeginFrameTiming.