//For each Surface, update viewing parameters and render the surface
public void UpdateSurfaces()
{
//for each surface
for (uint surfaceIndex = 0; surfaceIndex < SurfaceCount; surfaceIndex++)
{
//get the eye's surface
VRSurface surface = Surfaces[surfaceIndex];
OSVR.ClientKit.Viewport viewport;
OSVR.ClientKit.Matrix44f projMatrix;
//get viewport from ClientKit and set surface viewport
if (Viewer.DisplayController.UseRenderManager)
{
viewport = Viewer.DisplayController.RenderManager.GetEyeViewport((int)EyeIndex);
surface.SetViewportRect(Math.ConvertViewportRenderManager(viewport));
//get projection matrix from RenderManager and set surface projection matrix
surface.SetProjectionMatrix(Viewer.DisplayController.RenderManager.GetEyeProjectionMatrix((int)EyeIndex));
surface.Render();
surface.SetActiveRenderTexture();
}
else
{
//get viewport from ClientKit and set surface viewport
viewport = Viewer.DisplayController.DisplayConfig.GetRelativeViewportForViewerEyeSurface(
Viewer.ViewerIndex, (byte)_eyeIndex, surfaceIndex);
int displayInputIndex = Viewer.DisplayController.DisplayConfig.GetViewerEyeSurfaceDisplayInputIndex(Viewer.ViewerIndex, (byte)_eyeIndex, surfaceIndex);
int numDisplayInputs = Viewer.DisplayController.DisplayConfig.GetNumDisplayInputs();
surface.SetViewportRect(Math.ConvertViewport(viewport, Viewer.DisplayController.DisplayConfig.GetDisplayDimensions((byte)displayInputIndex),
numDisplayInputs, (int)_eyeIndex, (int)Viewer.DisplayController.TotalDisplayWidth));
//get projection matrix from ClientKit and set surface projection matrix
projMatrix = Viewer.DisplayController.DisplayConfig.GetProjectionMatrixForViewerEyeSurfacef(
Viewer.ViewerIndex, (byte)_eyeIndex, surfaceIndex,
surface.Camera.nearClipPlane, surface.Camera.farClipPlane, OSVR.ClientKit.MatrixConventionsFlags.ColMajor);
surface.SetProjectionMatrix(Math.ConvertMatrix(projMatrix));
//render the surface
surface.Render();
}
}
}