//Convert OSVR.ClientKit.Viewport to Rect
public static Rect ConvertViewport(OSVR.ClientKit.Viewport viewport, OSVR.ClientKit.DisplayDimensions surfaceDisplayDimensions, int numDisplayInputs, int eyeIndex, int totalDisplayWidth)
{
//Unity expects normalized coordinates, not pixel coordinates
if (numDisplayInputs == 1)
{
return(new Rect((float)viewport.Left / (float)surfaceDisplayDimensions.Width,
(float)viewport.Bottom / (float)surfaceDisplayDimensions.Height,
(float)viewport.Width / (float)surfaceDisplayDimensions.Width,
(float)viewport.Height / (float)surfaceDisplayDimensions.Height));
}
else if (numDisplayInputs == 2)
{
//with two inputs in fullscreen mode, viewports expect to fill the screen
//Unity can only output to one window, so we offset the right eye by half the total width of the displays
return(new Rect(eyeIndex == 0 ? 0 : 0.5f + (float)viewport.Left / (float)totalDisplayWidth,
(float)viewport.Bottom / (float)surfaceDisplayDimensions.Height,
(float)viewport.Width / (float)totalDisplayWidth,
(float)viewport.Height / (float)surfaceDisplayDimensions.Height));
}
else
{
Debug.LogError("[OSVR-Unity] More than two video inputs is not supported. Using default viewport.");
return(new Rect(0, 0, 0.5f, 1f));
}
}
//Set Resolution of the Unity game window based on total surface width
private void SetResolution()
{
TotalDisplayWidth = 0; //add up the width of each eye
TotalDisplayHeight = 0; //don't add up heights
int numDisplayInputs = DisplayConfig.GetNumDisplayInputs();
//for each display
for (int i = 0; i < numDisplayInputs; i++)
{
OSVR.ClientKit.DisplayDimensions surfaceDisplayDimensions = DisplayConfig.GetDisplayDimensions((byte)i);
TotalDisplayWidth += (uint)surfaceDisplayDimensions.Width; //add up the width of each eye
TotalDisplayHeight = (uint)surfaceDisplayDimensions.Height; //store the height -- this shouldn't change
}
//Set the resolution. Don't force fullscreen if we have multiple display inputs
//We only need to do this if we aren't using RenderManager, because it adjusts the window size for us
//@todo figure out why this causes problems with direct mode, perhaps overfill factor?
if (numDisplayInputs > 1 && !_renderManagerConfigFound)
{
Screen.SetResolution((int)TotalDisplayWidth, (int)TotalDisplayHeight, false);
}
}