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Why do you don't want it checked by default ? |
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When several models are simultaneously displayed, backface culling can make the 3D rendering a little bit confusing to the user. |
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Shall we add an option to force all backface culling to be ignored ? I think what's confusing is more the order of rendering of the models than the backface culling. I would suggest to support Depth Peeling instead (slow) |
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the default of backface culling was introduced for two reasons: 1. Improved performance for scenes that are large compared to the available render performance. 2. fewer visible artefacts when models are transparent. |
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Depth peeling sorts the order in which models/polygons are rendered on screen Currently, depending on the view points, some models seem to appear in front of others while they are supposed to be behind. This is because it depends of the order in which it has been added into the scene, not its 3d position with regard to the camera. |
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Is there a performance hit for using depth peeling? |
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yes, on the CPU and GPU (multiple pass rendering), but it might not be too noticeable (have to be tested) |
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How about introducing this as an option, like back face culling? |
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Agree. |
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Fixed in r22159: depth peeling is a new option for the 3D view |
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Closing resolved issues that have not been updated in more than 3 months |
- Anonymous
