hi,
i m trying to follow the possibilities of motion blur or drawing traces (without single buffering) as it was discussed a while ago:
i m consulting the redbook in terms of motion blur. this is really vage territory for me ... in chapter 10 section accumulation buffer there is one possibility described. http://fly.srk.fer.hr/~unreal/theredbook/chapter10.html (find motion blur). is it possible to realize that with the GEMgl objects ? i guess whats missing in the gem-code is the setup of the accumulation buffer in GemWinCreateXWin.cpp or can this be done also after window creation with the gl objects ?
another trail on a similar subject:
in http://lists.puredata.info/pipermail/gem-dev/2003-09/000138.html its quite a while did anyone (ben) test this successfully ? ------------- The "clearmask N" message can be passed to a gemwin to set the clearing behaviour. "N" is simply cached and passed directly in the glClear call - generate it using the GLdefine mechanism and GL_COLOR_BUFFER_BIT, GL_DEPTH_BUFFER_BIT etc..
[GEMglClear] can be used in other gemlists to control buffer clearing. -------------
what is N in this description ?
would be great if sombody could help me a few steps further.
best
erich
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