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[BUG-6000] Stars render black against lighter coloured night skies and against clouds when ALM is enabled. #13899

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sl-service-account opened this issue May 12, 2014 · 0 comments

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sl-service-account commented May 12, 2014

When stars are viewed against a lighter coloured night sky they will render black when advanced lighting model is enabled.
Even if the night sky is dark but has clouds, the stars will render black against the clouds and white against the dark sky.

I attached a windlight sky that makes this easy to reproduce, but the problem can still be seen using the default windlight skies that come with the viewer.

Steps To Reproduce.

  • Download the attached Black_star_test.xml and place it into C:\Users\ [USERNAME] \AppData\Roaming\SecondLife\user_settings\windlight\skies

  • Login

  • Go to World -> Environment editor -> Environment settings -> Customise my environment -> Sky -> Fixed sky -> Choose Black_star_test from the list

  • Observe the stars.

  • Toggle the Advanced lighting model setting under Preferences -> Graphics.

    Observed Behaviour

  • When ALM is enabled, the stars will render black - see Fig 1.

  • When ALM is disabled, the stars will render white (correct behaviour) - see Fig 2

    Expected Behaviour

    The stars should render white when ALM is enabled.

    Other Information.

    This does not reproduce on pre-materials viewers.
    See Fig 3 - Pre-materials viewer with ALM enabled.
    See Fig 4 - Pre-materials viewer with ALM disabled.

    Pre-materials viewer used to test: http://wiki.secondlife.com/wiki/Release_Notes/Second_Life_Release/3.5.3

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Original Jira Fields
Field Value
Issue BUG-6000
Summary Stars render black against lighter coloured night skies and against clouds when ALM is enabled.
Type Bug
Priority Unset
Status Closed
Resolution Accepted
Reporter Whirly Fizzle (whirly.fizzle)
Created at 2014-05-12T10:11:38Z
Updated at 2020-04-20T16:59:49Z
{
  'Business Unit': ['Platform'],
  'System': 'SL Viewer',
  'Target Viewer Version': 'viewer-development',
  'What just happened?': '.',
  'What were you doing when it happened?': 'Filling in...',
  'What were you expecting to happen instead?': '.',
}
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