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#if defined(Geometry)
#define TRANSFER_SHADOW_CASTER_NOPOS_GEOMETRY(o, opos, vertexPosition, vertexNormal) \
opos = UnityClipSpaceShadowCasterPos(vertexPosition, vertexNormal); \
opos = UnityApplyLinearShadowBias(opos);
[maxvertexcount(6)]
void geom(triangle v2g IN[3], inout TriangleStream<g2f> tristream)
{
g2f o = (g2f)0;
//Main Mesh loop
for (int i = 0; i < 3; i++)
{
o.pos = UnityObjectToClipPos(IN[i].vertex);
o.worldPos = IN[i].worldPos;
o.ntb[0] = IN[i].ntb[0];
o.ntb[1] = IN[i].ntb[1];
o.ntb[2] = IN[i].ntb[2];
o.uv = IN[i].uv;
o.uv1 = IN[i].uv1;
o.color = float4(IN[i].color.rgb,0); // store if outline in alpha channel of vertex colors | 0 = not an outline
o.screenPos = ComputeScreenPos(o.pos);
o.objPos = normalize(IN[i].vertex);
#if !defined(UNITY_PASS_SHADOWCASTER)
UNITY_TRANSFER_SHADOW(o, o.uv);
UNITY_TRANSFER_FOG(o, o.pos);
#else
TRANSFER_SHADOW_CASTER_NOPOS_GEOMETRY(o, o.pos, IN[i].vertex, IN[i].ntb[0]);
#endif
tristream.Append(o);
}
tristream.RestartStrip();
//Outlines loop
for (int i = 2; i >= 0; i--)
{
float4 worldPos = (mul(unity_ObjectToWorld, IN[i].vertex));
half outlineWidthMask = tex2Dlod(_OutlineMask, float4(IN[i].uv, 0, 0));
float3 outlineWidth = outlineWidthMask * _OutlineWidth * .01;
outlineWidth *= min(distance(worldPos, _WorldSpaceCameraPos) * 3, 1);
float3 vc = IN[i].color.rgb;
if(_OutlineNormalMode == 2)
{
float2 xy = IN[i].uv1;
if(_OutlineUVSelect == 1)
xy = IN[i].uv2;
float reconstructedZ = sqrt(1-saturate(dot(xy, xy)));
vc = normalize(float3(xy, reconstructedZ));
}
vc = vc * 2 - 1;
float3 t = mul(unity_WorldToObject, IN[i].ntb[1]);
float3 b = mul(unity_WorldToObject, IN[i].ntb[2]);
float3 n = mul(unity_WorldToObject, IN[i].ntb[0]);
half3 tspace0 = half3(t.x, b.x, n.x);
half3 tspace1 = half3(t.y, b.y, n.y);
half3 tspace2 = half3(t.z, b.z, n.z);
half3 calcedNormal;
calcedNormal.x = dot(tspace0, vc);
calcedNormal.y = dot(tspace1, vc);
calcedNormal.z = dot(tspace2, vc);
half3 normalDir = normalize(lerp(IN[i].normal, calcedNormal, saturate(_OutlineNormalMode)));
float4 outlinePos = float4(IN[i].vertex + normalDir * outlineWidth, 1);
if(outlineWidthMask == 0)
return;
o.pos = UnityObjectToClipPos(outlinePos);
o.worldPos = worldPos;
o.ntb[0] = IN[i].ntb[0];
o.ntb[1] = IN[i].ntb[1];
o.ntb[2] = IN[i].ntb[2];
o.uv = IN[i].uv;
o.uv1 = IN[i].uv1;
o.color = float4(IN[i].color.rgb, 1); // store if outline in alpha channel of vertex colors | 1 = is an outline
o.screenPos = ComputeScreenPos(o.pos);
o.objPos = normalize(outlinePos);
#if !defined(UNITY_PASS_SHADOWCASTER)
UNITY_TRANSFER_SHADOW(o, o.uv);
UNITY_TRANSFER_FOG(o, o.pos);
#else
TRANSFER_SHADOW_CASTER_NOPOS_GEOMETRY(o, o.pos, outlinePos, IN[i].ntb[0]);
#endif
tristream.Append(o);
}
tristream.RestartStrip();
}
#endif
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