qvolray

annotate sdr/slice.p.glsl @ 25:63bc059778d0

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fixed ray marching
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 14 Apr 2012 01:13:43 +0300
parents 68c6eb619d1c
children
rev   line source
nuclear@6 1 uniform sampler3D volume;
nuclear@6 2 uniform sampler1D xfer_tex;
nuclear@6 3
nuclear@6 4 void main()
nuclear@6 5 {
nuclear@21 6 float val = texture3D(volume, gl_TexCoord[0].xyz).w;
nuclear@21 7 gl_FragColor = vec4(texture1D(xfer_tex, val).xxx, 1.0);
nuclear@6 8 }