Bare-bones Unity Shader

Fixed-Unlit.shader

Shader "Milan/Fixed Unlit"
{
	Properties
	{
		_Color("Main Color", Color) = (1,1,1,1)
	}

	SubShader
	{
		Pass
		{
		CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag

			struct appdata
			{
				float4 vertex : POSITION;
			};

			struct v2f
			{
				float4 pos  : SV_POSITION;
			};

			fixed4 _Color;

			//Vertex Shader Function
			v2f vert(appdata IN)
			{
				v2f OUT;

				OUT.pos = mul(UNITY_MATRIX_MVP, IN.vertex);
				return OUT;
			}

			//Fragment Shader Function
			fixed4 frag(v2f IN) : COLOR
			{
				return _Color; //fixed4(1,1,0,1);
			}

		ENDCG
		}
	}
}