[SDL] Re: sdl GL with stencil buffer
fguillaud at mailivs.ivs.fr
Wed Apr 26 23:46:44 PDT 2000
Oliver Batchelor wrote:
> Damn that means I cant use shadows/reflection or anything !! ugg ! I
> was looking foward to doing that.
> Voodoo banshee cards do do multi texture dont they ?? I tried that
> out and it went awful slow .... if they dont then how does quake3
> do its multi texture on the voodoo ?
You can use projected texture to do this. Using a two passes
First pass, draw your scene
Calculate shadow and reflexion texture
Second pass, render (over the first) scene with shadow & reflection
textures, blending enabled.
You'll find source code for this in the mesa distrib and the glut
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