/// <summary>
/// Render the background texture when called.
/// </summary>
/// <returns>Is background updated.</returns>
public bool RenderBackgoundTextureOnDemand()
{
// if Background is not initialized we are not rendering
if (m_videoOverlayRendererHandler == System.IntPtr.Zero)
{
return(false);
}
// render next frame to texture
Tango.Common.RetCodes ret =
(Tango.Common.RetCodes)TangoVideoOverlayAPI.VideoOverlayRenderFrame(m_videoOverlayRendererHandler,
m_backgroundTexture.GetNativeTextureID(),
m_backgroundTexture.width,
m_backgroundTexture.height);
if (ret != Tango.Common.RetCodes.kCAPISuccess)
{
DebugLogger.WriteToLog(DebugLogger.EDebugLevel.DEBUG_ERROR,
"Failed to render video overlay texture with error code:" + ret);
return(false);
}
#if (UNITY_EDITOR || UNITY_STANDALONE_OSX)
//issue plugin event to render right after rendering thread finished rendering
Plugin.IssuePluginEvent(Plugin.PluginEvents.RenderFrameEvent);
#elif (UNITY_IPHONE || UNITY_ANDROID)
GL.InvalidateState();
#else
#error platform is not supported
#endif
return(true);
}
/// <summary>
/// Render the background texture at the end of frame.
/// </summary>
/// <returns>Yield return.</returns>
private IEnumerator RenderBackgoundTexture()
{
while (is_runningBackgroundRenderLoop)
{
// if Background is not initialized we are not rendering
if (m_videoOverlayRendererHandler == System.IntPtr.Zero)
{
yield return(null);
}
// wait for end of frame to not interfere with rendering thread on mac
yield return(new WaitForEndOfFrame());
// render next frame to texture
Tango.Common.RetCodes ret = (Tango.Common.RetCodes)TangoVideoOverlayAPI.VideoOverlayRenderFrame(m_videoOverlayRendererHandler,
m_backgroundTexture.GetNativeTextureID(),
m_backgroundTexture.width,
m_backgroundTexture.height);
if (ret != Tango.Common.RetCodes.kCAPISuccess)
{
DebugLogger.WriteToLog(DebugLogger.EDebugLevel.DEBUG_ERROR,
"Failed to render video overlay texture with error code:" + ret);
}
#if (UNITY_EDITOR || UNITY_STANDALONE_OSX)
// issue plugin event to render right after rendering thread finished rendering
Plugin.IssuePluginEvent(Plugin.PluginEvents.RenderFrameEvent);
#elif (UNITY_IPHONE || UNITY_ANDROID)
GL.InvalidateState();
#else
#error platform is not supported
#endif
// yield now to let class stop this coroutine if needed
yield return(null);
}
}
