Continue work on tessellation

1 files changed, 28 insertions, 8 deletions

diff --git a/tessellation.cginc b/tessellation.cginc
index c77cd83..92aca3a 100644
--- a/tessellation.cginc
+++ b/tessellation.cginc
@@ -3,6 +3,7 @@
 
 #include "globals.cginc"
 #include "interpolators.cginc"
+#include "shatter_wave.cginc"
 
 //ifex _Tessellation_Enabled==0
 
@@ -14,10 +15,10 @@ struct tess_factors {
 tess_factors patch_constant(InputPatch<v2f, 3> patch) {
   tess_factors f;
 #if defined(_TESSELLATION)
-  f.edge[0] = _Tessellation_Edge_Factors[0];
-  f.edge[1] = _Tessellation_Edge_Factors[1];
-  f.edge[2] = _Tessellation_Edge_Factors[2];
-  f.inside = _Tessellation_Inside_Factor;
+  f.edge[0] = _Tessellation_Factor;
+  f.edge[1] = _Tessellation_Factor;
+  f.edge[2] = _Tessellation_Factor;
+  f.inside = _Tessellation_Factor;
 #else
   f.edge[0] = 1;
   f.edge[1] = 1;
@@ -50,16 +51,35 @@ v2f domain(
   patch[0].fieldName * baryc.x + \
   patch[1].fieldName * baryc.y + \
   patch[2].fieldName * baryc.z
-  o.pos      = DOMAIN_INTERP(pos);
-  o.uv01     = DOMAIN_INTERP(uv01);
+#if defined(_TESSELLATION)
+  o.objPos   = DOMAIN_INTERP(tpos);
+#else
   o.objPos   = DOMAIN_INTERP(pos);
-  o.worldPos = DOMAIN_INTERP(worldPos);
+#endif
   o.normal   = DOMAIN_INTERP(normal);
   o.tangent  = DOMAIN_INTERP(tangent);
   o.binormal = DOMAIN_INTERP(binormal);
-  o.eyeVec   = DOMAIN_INTERP(eyeVec);
+  o.uv01     = DOMAIN_INTERP(uv01);
+
+#if defined(_SHATTER_WAVE)
+  shatterWaveVert(o.objPos.xyz, o.normal, o.tangent);
+  o.binormal = cross(o.normal, o.tangent);
+#endif
+
+#if defined(_TESSELLATION_HEIGHTMAP)
+  float height = _Tessellation_Heightmap.SampleLevel(linear_repeat_s, o.uv01.xy * _Tessellation_Heightmap_ST.xy + _Tessellation_Heightmap_ST.zw, 0).r * _Tessellation_Heightmap_Scale;
+  o.objPos.xyz += o.normal * height;
+#endif
+
+  o.pos      = UnityObjectToClipPos(o.objPos);
+  o.worldPos = mul(unity_ObjectToWorld, o.objPos);
+  o.eyeVec.xyz = normalize(o.worldPos - _WorldSpaceCameraPos);
+  o.eyeVec.w = 1;
 
   // TODO what about UNITY_LIGHTING_COORDS(7,8) and instance id and shit?
+  //UNITY_TRANSFER_LIGHTING(o, DOMAIN_INTERP(_unity_lightcoords));
+  UNITY_TRANSFER_INSTANCE_ID(patch[0], o);
+  UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
   return o;
 }