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struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
float3 normal : NORMAL0;
};
struct v2f
{
float4 vertex : SV_POSITION;
float2 uv : TEXCOORD0;
float3 normal : TEXCOORD1;
float3 worldPos : TEXCOORD2;
};
sampler2D _MainTex;
float4 _MainTex_ST;
//float4 _Color;
//float4x4 cullMatrices[64];
//float cullMatricesCount;
float2 texelOffset;
v2f vert (appdata v)
{
v2f o;
o.vertex = mul(unity_ObjectToWorld, v.vertex);
o.worldPos = o.vertex.xyz;
o.vertex = mul(UNITY_MATRIX_VP, float4(o.vertex.xyz,1));
o.vertex.xy += texelOffset * o.vertex.w;
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
o.normal = normalize(mul((float3x3)unity_ObjectToWorld, v.normal));
return o;
}
struct MRT
{
float4 AlbedoAlpha : SV_Target0;
float4 Normal : SV_Target1;
};
MRT frag (v2f IN)
{
/*
for(int i=0; i<cullMatricesCount; i++)
{
float3 w = mul(cullMatrices[i], float4(IN.worldPos,1)).xyz;
w = abs(w * 2);
bool outside = (max(max(w.x, w.y), w.z) > 1);
if (!outside) discard;
}
*/
MRT mrt;
mrt.AlbedoAlpha = tex2D(_MainTex, IN.uv);// * _Color;
#ifdef OPAQUE
mrt.AlbedoAlpha.a = 1;
#else
mrt.AlbedoAlpha.a = max(mrt.AlbedoAlpha.a, 1.0f / 255.0f); // 0 is reserved for projClip
#endif
mrt.Normal = float4(IN.normal * 0.5 + 0.5, 1);
return mrt;
}
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