View Full Version : Multipass vs. Multitexturing
Are there any examples available that show to to emulate multitexturing with multipass rendering? I can think of all sorts of problems I can run up against primarily sorting and z-buffer problems and I've never been good with blending modes.. which ones properly emulate GL_MODULATE and GL_ADD (in respect to multitexturing)?
just render your second pass with glDepthFunc(GL_EQUAL) also depth writes off.
03-19-2001, 03:51 AM
also, for the first pass you need to set:
And for the other passes:
GL_MODULATE -> glBlendFunc(GL_DST_COLOR, GL_ZERO)
GL_ADD -> glBlendFunc(GL_ONE, GL_ONE)
Thank you both very, very much!!
Also, modulate x2 is (GL_DST_COLOR, GL_SRC_COLOR)
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