stereo buffer problem

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Glenn Waldron (gwaldron++at++galileo.hpc.org)
Fri, 10 May 1996 16:37:06 -0400

I'm rendering a stereo buffer, at 1025x768_96s. I have one channel I'm
using for overlays in which I want to render to the leftbuffer and
rightbuffer simultaneously, but this doesn't seem to work. In the
draw function, I do:

  leftbuffer(TRUE); rightbuffer(TRUE);

The left buffer draws fine, but garbage is drawn in the right buffer.
Switching these two statements reverses the effect.
Rendering to each one separately works, but why can't I do both at once?
The man page for leftbuffer/rightbuffer says:

  At most four color buffers, such as front-left, front-right, back-left,
  back-right, and zdraw, can be rendered into simultaneously on the IRIS-4D
  RealityEngine model.

Am I exceding this limit without realizing it? The system is an
Onyx/RE2. Thanks.. Glenn.

-- 
Glenn A. Waldron - Sr. Programmer   USC/Information Sciences Institute
email: gwaldron++at++isi.edu     voice: 703.812.4732     beep: 800.507.5003

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