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#1
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[win7] Bad quality when not on primary monitor or window has no focus
My situation is as follows:
What we have:
The computer runs on Windows 7 with an nVidia Geforce GTX 680. The problems With vsync turned on and triple buffering turned off in the nvidia settings, we get the best results, but only when:
When one of these is not the case we get problems, especially when the image contains a lot of motion, which manifest differently, depending of Aero is turned on or off: With Aero off: terrible tearing occurs (we also tried turning it on in vizard instead of the nvidia settings, with the same results). With Aero on: movement is extremely choppy Although the frame rate never drops below 60 FPS. The solution (?) To work around these problems, we tried the current setup:
As you might understand, we'd rather replace one of these hardware components by a software solution, so my question is: Does anyone know of either a nicer solution for either the focus problem or the primary display problem? (or both ) P.S. what we've already tried:
Last edited by Huib; 04-03-2012 at 02:40 AM. |
#2
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With "it", I meant vsync (somehow I was only able to edit my post for a couple of minutes?)
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#3
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If your script is running at a solid 60 FPS, then vsync is most likely on. Can you make sure power management is not enabled in the nVidia 3D settings. The setting should be called "Power management mode" and you will want to make sure it is set to "Maximum performance".
Also, this is not ideal, but try enabling the 'viz.glFinish' option: Code:
viz.setOption('viz.glFinish',1) |
#4
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#5
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The glFinish option is not ideal because it blocks at the end of the frame for the GPU to finish rendering. This can reduce the framerate in some cases because you lose the parallelization of the CPU and GPU.
If you disable vsync, what is the reported frame rate in Vizard? If you are getting tearing with vsync on, then this is most likely a driver issue. Do you have the latest drivers for your graphics card installed? |
#6
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I have the latest (stable) drivers, downloaded from the nvidia website. |
Tags |
choppy, focus, primary, tearing, windows 7 |
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