diff options
Diffstat (limited to 'tessellation.cginc')
| -rw-r--r-- | tessellation.cginc | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/tessellation.cginc b/tessellation.cginc index faadd72..fa57861 100644 --- a/tessellation.cginc +++ b/tessellation.cginc @@ -15,16 +15,25 @@ struct tess_factors { tess_factors patch_constant(InputPatch<v2f, 3> patch) { tess_factors f; #if defined(_TESSELLATION) - f.edge[0] = _Tessellation_Factor; - f.edge[1] = _Tessellation_Factor; - f.edge[2] = _Tessellation_Factor; - f.inside = _Tessellation_Factor; +#if defined(_TESSELLATION_RANGE_FACTOR) + float d = length(getCenterCamPos() - patch[0].worldPos.xyz); + float factor = lerp( + _Tessellation_Range_Factor_Factor_Near, + _Tessellation_Range_Factor_Factor_Far, + smoothstep( + _Tessellation_Range_Factor_Distance_Near, + _Tessellation_Range_Factor_Distance_Far, + d)); #else - f.edge[0] = 1; - f.edge[1] = 1; - f.edge[2] = 1; - f.inside = 1; + float factor = _Tessellation_Factor; #endif +#else + float factor = 1; +#endif + f.edge[0] = factor; + f.edge[1] = factor; + f.edge[2] = factor; + f.inside = factor; return f; } |