WebGL - WARNING: Shader Unsupported: '' - Pass has no vertex shader

Hi,

I have tested this tutorial ( http://www.alanzucconi.com/2016/01/27/arrays-shaders-heatmaps-in-unity3d/ ).

Everything works fine in the editor and in windows build but when I build the project in WebGL, I have this error :
WARNING: Shader Unsupported: ‘Hidden/Heatmap’ – Pass ” has no vertex shader

I use Unity 5.3.6f1.

Anyone know why ?

Thank you

 

I tried on every platform (editor, android, standalone, WebPlayer & WebGL with Unity 5.3.6 & 5.4.1.
This shader don't work on WebGL but work on the other.

CGPROGRAM don't work in WebGL ?

Code (CSharp):

1. // Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'
2.  
3. // Alan Zucconi
4. // www.alanzucconi.com
5. Shader "Hidden/Heatmap" {
6.         Properties{
7.             _HeatTex("Texture", 2D) = "white" {}
8.         }
9.             SubShader{
10.             Tags{ "Queue" = "Transparent" }
11.             Blend SrcAlpha OneMinusSrcAlpha // Alpha blend
12.             Cull Off
13.  
14.             Pass{
15.             CGPROGRAM
16. #pragma vertex vert          
17. #pragma fragment frag
18.  
19.         struct vertInput {
20.             float4 pos : POSITION;
21.         };
22.  
23.         struct vertOutput {
24.             float4 pos : POSITION;
25.             fixed3 worldPos : TEXCOORD1;
26.         };
27.  
28.         vertOutput vert(vertInput input) {
29.             vertOutput o;
30.             o.pos = mul(UNITY_MATRIX_MVP, input.pos);
31.             o.worldPos = mul(_Object2World, input.pos).xyz;
32.             return o;
33.         }
34.  
35.         uniform int _Points_Length = 0;
36.         uniform float3 _Points[100];        // (x, y, z) = position
37.         uniform float2 _Properties[100];    // x = radius, y = intensity
38.  
39.         sampler2D _HeatTex;
40.  
41.         half4 frag(vertOutput output) : COLOR{
42.             // Loops over all the points
43.             half h = 0;
44.         for (int i = 0; i < _Points_Length; i++)
45.         {
46.             // Calculates the contribution of each point
47.             half di = distance(output.worldPos, _Points[i].xyz);
48.  
49.             half ri = _Properties[i].x;
50.             half hi = 1 - saturate(di / ri);
51.  
52.             h += hi * _Properties[i].y;
53.         }
54.  
55.         // Converts (0-1) according to the heat texture
56.         h = saturate(h);
57.         half4 color = tex2D(_HeatTex, fixed2(h, 0.5));
58.         return color;
59.         }
60.             ENDCG
61.         }
62.         }
63.             Fallback "Diffuse"
64.     }

 

Loop only works with harcoded number ...

http://stackoverflow.com/questions/...not-possible-in-webgl-shaders/6250189#6250189

So, it's good !