1.输出一个颜色

Shader "WSP/FrameWork5"
{
    SubShader
    {
        pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"
            struct appdata
            {
                float4 vertex:POSITION;
            };
            struct v2f
            {
                float4 pos:SV_POSITION;
            };
            v2f vert(appdata v)
            {
                v2f o = (v2f)0;
                //o.pos= mul(UNITY_MATRIX_VP,mul(unity_ObjectToWorld,v.vertex));
                o.pos = UnityObjectToClipPos(v.vertex);
                return o;
            };
            float4 frag(v2f i):SV_TARGET
            {
                fixed4 value = fixed4(1,0,1,1);
                return value;
            }; 
            ENDCG
        }
    }
}