// This couroutine is called every frame.
IEnumerator EndOfFrame()
{
while (true)
{
yield return(new WaitForEndOfFrame());
if (DisplayController.UseRenderManager && DisplayController.CheckDisplayStartup())
{
// Issue a RenderEvent, which copies Unity RenderTextures to RenderManager buffers
#if UNITY_5_2 || UNITY_5_3
GL.Clear(false, true, Camera.backgroundColor);
GL.IssuePluginEvent(DisplayController.RenderManager.GetRenderEventFunction(), OsvrRenderManager.RENDER_EVENT);
if (DisplayController.showDirectModePreview)
{
Camera.Render();
}
#else
Debug.LogError("GL.IssuePluginEvent failed. This version of Unity cannot support RenderManager.");
DisplayController.UseRenderManager = false;
#endif
}
//if we disabled the dummy camera, enable it here
if (_disabledCamera)
{
Camera.enabled = true;
_disabledCamera = false;
}
}
}
// This couroutine is called every frame.
IEnumerator EndOfFrame()
{
while (true)
{
yield return(new WaitForEndOfFrame());
if (DisplayController.UseRenderManager && DisplayController.CheckDisplayStartup())
{
// Issue a RenderEvent, which copies Unity RenderTextures to RenderManager buffers
#if UNITY_5_2 || UNITY_5_3 || UNITY_5_4 || UNITY_5_5 || UNITY_5_6
GL.Viewport(_emptyViewport);
GL.Clear(false, true, Camera.backgroundColor);
GL.IssuePluginEvent(DisplayController.RenderManager.GetRenderEventFunction(), OsvrRenderManager.RENDER_EVENT);
if (DisplayController.showDirectModePreview)
{
Camera.Render();
}
#else
Debug.LogError("[OSVR-Unity] GL.IssuePluginEvent failed. This version of Unity cannot support RenderManager.");
DisplayController.UseRenderManager = false;
#endif
}
//if we disabled the dummy camera, enable it here
if (_disabledCamera)
{
Camera.enabled = true;
_disabledCamera = false;
}
//Sends queued-up commands in the driver's command buffer to the GPU.
//only accessible in Unity 5.4+ API
#if !(UNITY_5_3 || UNITY_5_2 || UNITY_5_1 || UNITY_5_0 || UNITY_4_7 || UNITY_4_6)
GL.Flush();
#endif
}
}
// The main rendering loop, should be called late in the pipeline, i.e. from OnPreCull
// Set our viewer and eye poses and render to each surface.
void DoRendering()
{
// update poses once DisplayConfig is ready
if (DisplayController.CheckDisplayStartup())
{
if (_hmdConnectionError)
{
_hmdConnectionError = false;
Debug.Log("[OSVR-Unity] HMD connection established. You can ignore previous error messages indicating Display Startup failure.");
}
// update the viewer's head pose
// currently getting viewer pose from DisplayConfig always
UpdateViewerHeadPose(GetViewerPose(ViewerIndex));
// each viewer updates its eye poses, viewports, projection matrices
UpdateEyes();
}
else
{
if (!_hmdConnectionError)
{
//report an error message once if the HMD is not connected
//it can take a few frames to connect under normal operation, so inidcate when this error has been resolved
_hmdConnectionError = true;
Debug.LogError("[OSVR-Unity] Display Startup failed. Check HMD connection.");
}
}
}
void Update()
{
if (!recentered)
{
if (_displayController != null && _displayController.CheckDisplayStartup() && _displayController.UseRenderManager)
{
_displayController.RenderManager.SetRoomRotationUsingHead();
recentered = true;
}
else if (_displayController != null && _displayController.CheckDisplayStartup() && !_displayController.UseRenderManager)
{
_clientKit.context.SetRoomRotationUsingHead();
recentered = true;
}
}
}
// Culling determines which objects are visible to the camera. OnPreCull is called just before this process.
// This gets called because we have a camera component, but we disable the camera here so it doesn't render.
// We have the "dummy" camera so existing Unity game code can refer to a MainCamera object.
// We update our viewer and eye transforms here because it is as late as possible before rendering happens.
// OnPreRender is not called because we disable the camera here.
void OnPreCull()
{
//leave the preview camera enabled if there is no display config
_camera.enabled = !DisplayController.CheckDisplayStartup();
DoRendering();
// Flag that we disabled the camera
_disabledCamera = true;
}
// Culling determines which objects are visible to the camera. OnPreCull is called just before this process.
// This gets called because we have a camera component, but we disable the camera here so it doesn't render.
// We have the "dummy" camera so existing Unity game code can refer to a MainCamera object.
// We update our viewer and eye transforms here because it is as late as possible before rendering happens.
// OnPreRender is not called because we disable the camera here.
void OnPreCull()
{
//leave the preview camera enabled if there is no display config
_camera.enabled = !DisplayController.CheckDisplayStartup();
DoRendering();
//Sends queued-up commands in the driver's command buffer to the GPU.
//only accessible in Unity 5.4+ API
#if !(UNITY_5_3 || UNITY_5_2 || UNITY_5_1 || UNITY_5_0 || UNITY_4_7 || UNITY_4_6)
GL.Flush();
#endif
// Flag that we disabled the camera
_disabledCamera = true;
}
// Culling determines which objects are visible to the camera. OnPreCull is called just before this process.
// This gets called because we have a camera component, but we disable the camera here so it doesn't render.
// We have the "dummy" camera so existing Unity game code can refer to a MainCamera object.
// We update our viewer and eye transforms here because it is as late as possible before rendering happens.
// OnPreRender is not called because we disable the camera here.
void OnPreCull()
{
if (!DisplayController.CheckDisplayStartup())
{
//leave this preview camera enabled if there is no display config
_camera.enabled = true;
}
else
{
// To save Render time, disable this camera here and re-enable after the frame
// OR, in DirectMode, leave it on for "mirror" mode, although this is an expensive operation
// The long-term solution is to provide a DirectMode preview window in RenderManager
//@todo enable directmode preview in RenderManager
_camera.enabled = DisplayController.UseRenderManager && DisplayController.showDirectModePreview;
}
DoRendering();
// Flag that we disabled the camera
_disabledCamera = true;
}
// The main rendering loop, should be called late in the pipeline, i.e. from OnPreCull
// Set our viewer and eye poses and render to each surface.
void DoRendering()
{
// update poses once DisplayConfig is ready
if (DisplayController.CheckDisplayStartup())
{
// update the viewer's head pose
// @todo Get viewer pose from RenderManager if UseRenderManager = true
// currently getting viewer pose from DisplayConfig always
UpdateViewerHeadPose(GetViewerPose(ViewerIndex));
// each viewer updates its eye poses, viewports, projection matrices
UpdateEyes();
}
else
{
if (!DisplayController.CheckDisplayStartup())
{
//@todo do something other than not show anything
Debug.LogError("Display Startup failed. Check HMD connection.");
}
}
}