public HvrViewportSwapChain(int maximumViewports)
{
m_maximumViewports = maximumViewports;
m_viewports = new ViewportInterface[m_maximumViewports];
for (int i = 0; i < m_maximumViewports; ++i)
{
m_viewports[i] = new ViewportInterface();
}
m_viewportIndex = 0;
}
private ViewportInterface _GetViewportAndFlip()
{
if (m_viewports == null)
{
return(null);
}
ViewportInterface viewport = m_viewports[m_viewportIndex];
m_viewportIndex = (m_viewportIndex + 1) % m_maximumViewports; // flip the index
viewport.SetSamples(QualitySettings.antiAliasing);
return(viewport);
}
public ViewportInterface NextViewport(Matrix4x4 view, Matrix4x4 proj, int viewportLeft, int viewportTop, int viewportWidth, int viewportHeight)
{
if (m_viewports == null)
{
return(null);
}
ViewportInterface viewport = _GetViewportAndFlip();
viewport.SetViewMatrix(view);
#if UNITY_5_5_OR_NEWER
if (SystemInfo.graphicsDeviceType == GraphicsDeviceType.Direct3D11)
{
viewport.SetReverseDepthEnabled(true);
}
#endif
viewport.SetProjMatrix(proj);
viewport.SetDimensions(viewportLeft, viewportTop, viewportWidth, viewportHeight);
return(viewport);
}