Mesh recognition stutters on iOS target

Visualizer scene looks like this:

Unity 2020.3.24f1 Target: iOS Device: MacBook Pro 2019

The only error in console is

Metal: Error creating pipeline state (Hidden/MediaPipe/FaceMesh/Preprocess): Link failed: The type of fragment input user(TEXCOORD0) does not match the type of the corresponding vertex shader output
(null)

Would be glad to provide any additional information.

[wbdsnx]

@mahdipo It’s well done for me .Thank you very much!

[mahdipo]

Hi keijiro, Thanks for this repository , It worked on android and windows but on IOS it has error on “Preprocess.shader” at runtime. I fixed it by changing the shader code like below. @Ommand you can replace this code with your self code. please let me know if your problem is fixed too.

Shader "Hidden/MediaPipe/FaceMesh/Preprocess"
{
    Properties
    {
        _MainTex("", 2D) = "" {}
    }

    CGINCLUDE

    #include "UnityCG.cginc"

    sampler2D _MainTex;
    float4x4 _Xform;


	v2f_img vert(appdata_img v)
	{
		v2f_img o;
		o.pos = UnityObjectToClipPos(v.vertex);
		o.uv.xy = v.texcoord;
		return o;
	}

    float4 Fragment(v2f_img i) : SV_Target
    {
        float2 uv2 = mul(_Xform, float4(i.uv, 0, 1));
        return tex2D(_MainTex, uv2);
    }

    ENDCG

    SubShader
    {
        Cull Off ZTest Always ZWrite Off
        Pass
        {
            CGPROGRAM
            #pragma vertex vert // vert_img
            #pragma fragment Fragment
            ENDCG
        }
    }
}