65 lines
2.0 KiB
HLSL
65 lines
2.0 KiB
HLSL
|
#ifndef EDGE_FUSION_FILL_PASS_INCLUDED
|
||
|
|
#define EDGE_FUSION_FILL_PASS_INCLUDED
|
||
|
|
|
||
|
|
#include "EdgeFusionCommon.hlsl"
|
||
|
|
|
||
|
|
// Reserved object ID for special group (ID 32)
|
||
|
|
#define CUSTOM_OBJECT_ID 32.0
|
||
|
|
|
||
|
|
// Terrain object ID passed from script (31.0 when blendWithWorld is true, 0.0 otherwise)
|
||
|
|
float _TerrainObjectId;
|
||
|
|
|
||
|
|
float4 FragFillObjectID(EFVaryings i) : SV_Target
|
||
|
|
{
|
||
|
|
UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i);
|
||
|
|
float2 uv = UnityStereoTransformScreenSpaceTex(i.texcoord);
|
||
|
|
|
||
|
|
float4 objectData = SampleObjectData(uv);
|
||
|
|
|
||
|
|
// Negative depth marks excluded pixels
|
||
|
|
if (objectData.y < 0) {
|
||
|
|
return float4(0,0,0,0);
|
||
|
|
}
|
||
|
|
|
||
|
|
// If pixel already has an object ID, keep it unchanged
|
||
|
|
if (abs(objectData.r) > 1e-6) {
|
||
|
|
return objectData;
|
||
|
|
}
|
||
|
|
|
||
|
|
// This pixel is empty (terrain/excluded geometry)
|
||
|
|
float rawDepth = SampleSceneDepth(uv);
|
||
|
|
float linearDepth = LinearEyeDepth(rawDepth, _ZBufferParams);
|
||
|
|
|
||
|
|
// Only fill if within blend distance
|
||
|
|
if (linearDepth >= MAX_BLEND_DISTANCE) {
|
||
|
|
return objectData; // Keep empty
|
||
|
|
}
|
||
|
|
|
||
|
|
float3 nVS;
|
||
|
|
#if EDGE_FUSION_INTRA_OBJECT || EDGE_FUSION_CONCAVE_ONLY || EDGE_FUSION_DEBUG_BLEND_NORMALS
|
||
|
|
float3 worldPos = GetWorldPos(uv, rawDepth);
|
||
|
|
float3 nWS = ReconstructNormalWS(worldPos);
|
||
|
|
nVS = mul((float3x3)UNITY_MATRIX_V, nWS);
|
||
|
|
nVS = normalize(nVS);
|
||
|
|
#else
|
||
|
|
nVS = float3(0, 0, 1);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if EDGE_FUSION_SPECIAL_GROUP
|
||
|
|
float3 marker = SAMPLE_TEXTURE2D_X_LOD(_CustomGroupTexture, sampler_PointClamp, uv, 0).rgb;
|
||
|
|
bool isCustom = any(marker > 0.0001);
|
||
|
|
float objectId = isCustom ? CUSTOM_OBJECT_ID : _TerrainObjectId;
|
||
|
|
#else
|
||
|
|
float objectId = _TerrainObjectId;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// If objectId is 0, return empty (no blending for terrain when blendWithWorld is false)
|
||
|
|
if (objectId < 0.5) {
|
||
|
|
return objectData;
|
||
|
|
}
|
||
|
|
|
||
|
|
float packedR = PackObjectIdRadius(objectId, _DefaultRadiusWorld / _RadiusScale);
|
||
|
|
return float4(packedR, rawDepth, nVS.xy);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // EDGE_FUSION_FILL_PASS_INCLUDED
|