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DX11 diagonal tearing

vvvv beta question
#1

Hi all

I am making new patches using DX11 and since I am creating intense flicker tearing becomes very visible.

From DX9 I am used to horizontal tearing and the solution is to keep presentation interval to default or force it to be wait for frame.

I have no such option in DX11 and I have tried playing around with VSync and buffer numbers, but it doesn’t seem to help. And besides this, I am suspecting that it might be something different since the tearing in DX11 is diagonal.

You can see effect at 1:40 to 1:43 in this video: https://vimeo.com/131986582

I’m using a recent alpha with the latest DX11

#2

Did you try to convert to DX9 and see if the output is doing the same tearing ?

#3

I’ve seen tearing in dx11 too, I think that its the main issue at the moment!
As Manuel suggested shared texture to dx9 is a solution, there was a test build with a fullscreenable renderer that vux was working on, maybe talk to him and see where thats at?

#4

It also seems to be worse when using multiple outputs.

#5

this is rather strange effect… i haven’t seen anything like that in my patches…
can only suggest to check ur pipeline i think might some shader function is overextended or incorrect

#6

could it somehow have something to do with the quad I am using?

#7

it might be, since on tfx it uses triangle with mapped cords instead of quad, also might be an overlying primitive

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