1 Shader "Tessellation/Bumped Specular (displacement)" {
2 Properties {
3 _Color ("Main Color", Color) = (1,1,1,1)
4 _SpecColor ("Specular Color", Color) = (0.5, 0.5, 0.5, 1)
5 _Shininess ("Shininess", Range (0.03, 1)) = 0.078125
6 _Parallax ("Height", Range (0.0, 1.0)) = 0.5
7 _MainTex ("Base (RGB) Gloss (A)", 2D) = "white" {}
8 _BumpMap ("Normalmap", 2D) = "bump" {}
9 _ParallaxMap ("Heightmap (A)", 2D) = "black" {}
10
11 _EdgeLength ("Edge length", Range(3,50)) = 10
12 }
13 SubShader {
14 Tags { "RenderType"="Opaque" }
15 LOD 800
16
17 CGPROGRAM
18 #pragma surface surf BlinnPhong addshadow vertex:disp tessellate:tessEdge
19 #include "Tessellation.cginc"
20
21 struct appdata {
22 float4 vertex : POSITION;
23 float4 tangent : TANGENT;
24 float3 normal : NORMAL;
25 float2 texcoord : TEXCOORD0;
26 float2 texcoord1 : TEXCOORD1;
27 float2 texcoord2 : TEXCOORD2;
28 };
29
30 float _EdgeLength;
31 float _Parallax;
32
33 float4 tessEdge (appdata v0, appdata v1, appdata v2)
34 {
35 return UnityEdgeLengthBasedTessCull (v0.vertex, v1.vertex, v2.vertex, _EdgeLength, _Parallax * 1.5f);
36 }
37
38 sampler2D _ParallaxMap;
39
40 void disp (inout appdata v)
41 {
42 float d = tex2Dlod(_ParallaxMap, float4(v.texcoord.xy,0,0)).a * _Parallax;
43 v.vertex.xyz += v.normal * d;
44 }
45
46 sampler2D _MainTex;
47 sampler2D _BumpMap;
48 fixed4 _Color;
49 half _Shininess;
50
51 struct Input {
52 float2 uv_MainTex;
53 float2 uv_BumpMap;
54 };
55
56 void surf (Input IN, inout SurfaceOutput o) {
57 fixed4 tex = tex2D(_MainTex, IN.uv_MainTex);
58 o.Albedo = tex.rgb * _Color.rgb;
59 o.Gloss = tex.a;
60 o.Alpha = tex.a * _Color.a;
61 o.Specular = _Shininess;
62 o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
63 }
64 ENDCG
65 }
66
67 FallBack "Bumped Specular"
68 }
