ram munjulur (ram++at++ivex3d.com)
Thu, 26 Sep 1996 12:10:29 -0400
We upgraded our RE2 to an iR and also Perf 2.0 to 2.1, recently.
We have OpenGL libs only, on the iR.
I recompiled the perfly demo code and tried setting fog type to
SPLINE fog (Pixel). I see the option in perfly. And when I was playing with
the near/Far planes, for a fixed pair of Nr/Far planes of the fog,
BOTH LINEAR fog and SPLINE fog appear to be the same. I don't know if this
should be the case.
Next I tried searching for the "pfFogRamp" function which loads the
Range and Density arrays for SPLINE_FOG, but couldn't find any such
function in the perfly code.
I understand that, the SPLINE fog option shows up becasue, it is set
when the "pfQueryFeature" function is set to true, because its an iR with
OpenGL. But then I expected it to initialize the Ramp from the arrays.
doesn't SPLINE_FOG load any arrays into the FogRamp ?
How do I know the what appears to be SPLINE_FOG is different from LINEAR_FOG ?
has anybody used SPLINE_FOG with OpenGL on an iR and could makeout the
difference ?
Thanks in advance
Rambabu
Software Engineer
ram++at++ivex3d.com
IVEX Corporation
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