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A bug with backdrops?

XoechZXoechZ Posts: 1,102
edited December 1969 in Daz Studio Discussion

Hello!

I am using DAZ Studio 4.6.1.33 64 bit on Windows 7 64 bit and I have a problem with backdrops.

Every time I load a backdrop in my scenes, the backdrops appear darker than they should, the colors are changing when I move the mouse pointer and when I turn the viewport they sometimes disappear completely. Also, when I turn the vieport, the backdrop image becomes lighter or darker.

When I render the schene, everything is ok with the backdrop, but in the viewport it is a pain to work with. Especially when you want to set up lights that match the backdrop - almost impossible due to the described problems.

Does anyone have similar problems? Is this a bug?

Comments

  • JimmyC_2009JimmyC_2009 Posts: 8,891
    edited December 1969

    I am using the same version, and there is no such problem for me.

    It sounds very like a graphics card issue, especially when it renders correctly. Are you using a laptop with a built in graphics chip by any chance, they can cause problems with OpenGl? If not, try and update your drivers for the card.

  • XoechZXoechZ Posts: 1,102
    edited December 1969

    No, I have a desktop PC, not a laptop.

    Graphics card is an ATI HD 7750 and I have the latest driver installed. I never had these problems before and I don´t know what´s broken here.

  • frank0314frank0314 Posts: 14,309
    edited December 1969

    XoechZ said:
    No, I have a desktop PC, not a laptop.

    Graphics card is an ATI HD 7750 and I have the latest driver installed. I never had these problems before and I don´t know what´s broken here.

    Did you use the driver that Windows update gives or is if from the manufacturer website

  • XoechZXoechZ Posts: 1,102
    edited December 1969

    It´s the driver from the ATI site - Catalyst 13.9

    I just re-installed the driver to be sure that the driver is not broken, but it´s still the same. Everything else is perfect, just the backdrops cause these problems.

  • XoechZXoechZ Posts: 1,102
    edited December 1969

    Ok, after some testing I have found out what the problem is: Per Pixel Shading!

    When I disable Per Pixel Shading in the Interface options, everything is perfect. But as soon as I enable it, I get the described problems with backdrops.

    Too bad, I love per pixel shading. It gives much more control of lights in the viewport and it just looks better. So, is there a way I can use per pixel shading AND backdrops?

  • ShelLuserShelLuser Posts: 749
    edited December 1969

    Now, this is most likely not the solution but because it's something which bugged me for a while when I just started out I figured I might as well mention it: is it possible that you have the light preview turned on? It could cause some of the scenery to look darker or different while it won't affect the eventual render.

  • XoechZXoechZ Posts: 1,102
    edited November 2013

    Thanks ShelLuser, but it has nothing to do with preview lights. I have just tested it. The problem reall is per pixel shading, as you can see in my post above yours.

    Post edited by XoechZ on
  • XoechZXoechZ Posts: 1,102
    edited December 1969

    Hm, no ideas? How can I use per pixel shading and backdrops together? Is this a bug in DAZ Studio or is it my system?

  • Richard HaseltineRichard Haseltine Posts: 102,728
    edited December 1969

    It sounds as if it's your video card. If so then you can report it as a bug, but it may not be something DAZ can fix.

  • rbtwhizrbtwhiz Posts: 2,295
    edited December 1969

    Bug. Please report it.

    -Rob

  • XoechZXoechZ Posts: 1,102
    edited December 1969

    I thought so. Must be a bug. But how do I report a bug? I´ve never done that before. Where can I find a link for bug reporting? Or do I do this under Help - Contact us?

  • Richard HaseltineRichard Haseltine Posts: 102,728
    edited December 1969

    Yes, use the Contact Us page and select Technical Support as the department - then tell them Rob sent you.

  • XoechZXoechZ Posts: 1,102
    edited December 1969

    Ok, thank you!

    I have reported it this way.

  • XoechZXoechZ Posts: 1,102
    edited December 1969

    It took a while, but now it seems to be fixed in the latest beta.

    Public BETA 3 (4.6.2.66) highlights are:

    ...
    8) Fixed #DS-240: Bug with “Per Pixel Shading” and backdrops
    ...

    Yes! :-)

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