Programming and animation
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Evaluation thread in a shader plugin
Posted on 12 January 2010 Neill No comments* Image taken from the documentation for Autodesk MotionBuilder 7.5When writing a plugin shader webcams faced with such a contradiction: on the one hand is necessary to process each frame of a web camera with no impact on the overall performance MoBu scene, and with another – usually creating plug-ins for MoBu says, adding that its flow can only degrade performance, they say do not do so, and then use what’s already there. Here is a quote from the documentation: Any extra threads or processes running parallel to MotionBuilder might seriously slow down performance or even prevent MotionBuilder from running at all.* Image taken from the documentation of the Autodesk MotionBuilder 7.5
When I was writing a plugin shader for a webcam, I have faced with such a contradiction: on the one hand is necessary to process each frame of a web camera with no impact on the overall performance of the MoBu scene, and with another – rule for creating plug-ins for MoBu says: Any extra threads or processes running parallel to MotionBuilder might seriously slow down performance or even prevent MotionBuilder from running at all.
MotionBuilder, Programming OpenReality, overview, Plugin, SDK, WebCam


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