k3d/share/shaders/k3d_castucco.sl:30:  float fwidth;			/* Estimated change in P between image samples */
k3d/share/shaders/k3d_castucco.sl:35:  fwidth = filterwidthp(Pshad);
k3d/share/shaders/k3d_castucco.sl:38:  disp = fBm(Pshad, fwidth, 3, 2, 0.6);
k3d/share/shaders/k3d_parquet_plank.sl:50:  float swidth, twidth, fwidth, ss, tt, w, h, fade, ttt;
k3d/share/shaders/k3d_parquet_plank.sl:69:  fwidth = max(swidth, twidth);
k3d/share/shaders/k3d_parquet_plank.sl:120:  fade = smoothstep(1 / ringscale, 8 / ringscale, fwidth);
k3d/share/shaders/k3d_parquet_plank.sl:133:      fade = smoothstep(2 / grainscale, 8 / grainscale, fwidth);
k3d/share/shaders/k3d_parquet_plank2.sl:64:  float swidth, twidth, fwidth, ss, tt, w, h, fade, ttt;
k3d/share/shaders/k3d_parquet_plank2.sl:79:  fwidth = max(swidth,twidth);
k3d/share/shaders/k3d_parquet_plank2.sl:121:  fade = smoothstep (1/ringscale, 8/ringscale, fwidth);
k3d/share/shaders/k3d_parquet_plank2.sl:132:      fade = smoothstep (2/grainscale, 8/grainscale, fwidth);
k3d/share/shaders/k3d_parquet_tile.sl:79:  float swidth, twidth, fwidth, ss, tt, w, h, fade, ttt;
k3d/share/shaders/k3d_parquet_tile.sl:94:  fwidth = max(swidth,twidth);
k3d/share/shaders/k3d_parquet_tile.sl:136:  fade = smoothstep (1/ringscale, 8/ringscale, fwidth);
k3d/share/shaders/k3d_parquet_tile.sl:147:      fade = smoothstep (2/grainscale, 8/grainscale, fwidth);
k3d/share/shaders/k3d_plank.sl:47:  float swidth, twidth, fwidth, ss, tt, w, h, fade, ttt;
k3d/share/shaders/k3d_plank.sl:64:  fwidth = max(swidth, twidth);
k3d/share/shaders/k3d_plank.sl:106:  fade = smoothstep(1 / ringscale, 8 / ringscale, fwidth);
k3d/share/shaders/k3d_plank.sl:119:      fade = smoothstep(2 / grainscale, 8 / grainscale, fwidth);
k3d/share/shaders/k3d_superplank.sl:89:  float swidth, twidth, fwidth;
k3d/share/shaders/k3d_superplank.sl:130:  fwidth = max(swidth, twidth);
k3d/share/shaders/k3d_superplank.sl:212:  fwidth = max(swidth * ringscale, twidth * ringscale);
k3d/share/shaders/k3d_superplank.sl:213:  fade = smoothstep(.75, 4, fwidth);
k3d/share/shaders/k3d_superplank.sl:227:      fwidth = max(swidth * grainscale, twidth * grainscale);
k3d/share/shaders/k3d_superplank.sl:228:      fade = smoothstep(.75, 4, fwidth);
