Hi Raffi,
Bug 4363990 is submitted for investigation. It seems that
updating Texture and Transform in the a behavior did not
reflect in the same frame.
Thanks for your bug report.
- Kelvin
------------
Java 3D Team
Sun Microsystems Inc.
>X-Unix-From: [EMAIL PROTECTED] Fri Aug 18 12:44:06 2000
>MIME-Version: 1.0
>Date: Fri, 18 Aug 2000 14:59:04 -0400
>From: "Kasparian, Raffi J." <[EMAIL PROTECTED]>
>Subject: [JAVA3D] Bugs/inconsistencies in Behavior execution/Rendering process
>Comments: To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>
>To all,
>
>I have uncovered bugs and/or inconsistencies regarding Behavior execution,
>the normal rendering process and View.renderOnce().
>
>Enclosed are two programs, RenderOnce1 and RenderOnce2. Both are very
>similar but illustrate different bugs/inconsistencies. Both provide a button
>labeled "switch mode" at the bottom to switch between normal rendering mode
>and "stop-time" rendering mode. In "stop-time" mode, View.stopView() is
>called and the user advances to the next frame by clicking the top button
>labeled "renderOnce" which simply calls View.renderOnce(). Both programs
>begin in "stop-time" mode. A single Behavior in both programs changes the
>Texture of a Box and the scale of the TransformGroup above the Box to
>alternate frame by frame between blue-big and yellow-small. Frame speed has
>been held to a minimum of 1 fps to make the process visually clearer. The
>programs use different algorithms to change the texture of the Box.
>RenderOnce1 creates one texture and (by using ImageComponent.byReference)
>draws into the texture to alternate it's color between blue and yellow.
>RenderOnce2 creates two textures (one blue, one yellow) and calls
>Appearance.setTexture() to alternate between the two.
>
>Desired result is the same for both programs, both modes. --
>blue-big/yellow-small.
>
>Actual results:
>
>RenderOnce1 normal -- blue-small/yellow-big. WRONG (inconsistent)
>
>RenderOnce1 stop-time -- blue-big/yellow-small. RIGHT
>
>RenderOnce2 normal -- blue-big/yellow-small. RIGHT
>
>RenderOnce2 stop-time -- unpredictable pairings of size and color. WRONG
>
>There seems to be some variation in results depending on Texture size and
>minimum fps. Could it be that there is a lack of cooperation between
>different threads (one changing the Transform3D and the other changing the
>Texture)?
>
>I'm using NT 4.0, 466Mh, Celeron, no acceleration.
>
>Raffi
>
>
>
> <<RenderOnce1.java>> <<RenderOnce2.java>>
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