Text Node Performance
Posted: 23 Sep 2014, 17:10
Somehow text Rendering takes a lot performance sometimes.
This is a thing we have discovered in very different situations on different machines.
In some situations the GPU Performance goes from 20% to 70% just by switching a text from alpha 0% to alpha 100%.
I made a little demo video and attached a little demo vza. The resolution is FullHD, multisampling is turned off, the rest is default.
I made this video with my Laptop so my specs are a little bit cheesy but even with my GF765M an core i7 4700MQ displaying a text shouldn't use 23% GPU and 19% CPU performance.
We also had this situation on our top notch workstations (R9 290X or Firepro V8800 with latest i7).
It doesn't matter if it is Blocktext or Enriched Text or where the text is located (Excel, Textfile, String Node)
Moving the text out of the render target saves a little performance, alpha 0% sets performance back to idle.
It also doesn't matter if the alpha has blocking activated.
It gets worse when you open the scene in the designer and the renderer isn't set to fullscreen (this is no problem by the way, it may be caused by redndering Ventuz itself plus the 3D Scene)
The Video is made from vpr playback and captured by nvidia shadowplay which causes hardly any performance. (At least the GPU und CPU performance values are the same no matter if shadow play is turned on) Here is the captured video.
http://we.tl/c2Fkl1swkQ
This is a thing we have discovered in very different situations on different machines.
In some situations the GPU Performance goes from 20% to 70% just by switching a text from alpha 0% to alpha 100%.
I made a little demo video and attached a little demo vza. The resolution is FullHD, multisampling is turned off, the rest is default.
I made this video with my Laptop so my specs are a little bit cheesy but even with my GF765M an core i7 4700MQ displaying a text shouldn't use 23% GPU and 19% CPU performance.
We also had this situation on our top notch workstations (R9 290X or Firepro V8800 with latest i7).
It doesn't matter if it is Blocktext or Enriched Text or where the text is located (Excel, Textfile, String Node)
Moving the text out of the render target saves a little performance, alpha 0% sets performance back to idle.
It also doesn't matter if the alpha has blocking activated.
It gets worse when you open the scene in the designer and the renderer isn't set to fullscreen (this is no problem by the way, it may be caused by redndering Ventuz itself plus the 3D Scene)
The Video is made from vpr playback and captured by nvidia shadowplay which causes hardly any performance. (At least the GPU und CPU performance values are the same no matter if shadow play is turned on) Here is the captured video.
http://we.tl/c2Fkl1swkQ