#377 Bad render for image's first row and column

non_fatal
closed
Ricardo M
5
2012-09-20
2009-08-28
Ricardo M
No

I have a simple scene with a disk that covers all the screen. The disk use a constant shader. The final render must be a white screen, but the fist row and column is grey. It looks like the disk have a border in these row and column. I attach two ribs. The first has the error. The second is the same scene with a different translate values but It's rendered fine.

Discussion

  • Ricardo M
    Ricardo M
    2009-09-12

    The clipping volume test is culling geometry needed during the sampling process. The uploaded patch modifies how is the clipping volume calculated.It calculates a frame extension for the screen window that includes pixels used during the sampling process. This new frame limits are used tuo calculate mew frustum planes for the clipping geometry test.

     
  • This Tracker item was closed automatically by the system. It was
    previously set to a Pending status, and the original submitter
    did not respond within 30 days (the time period specified by
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