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removed 256 subset limitation

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Turánszki János
2024-07-06 06:13:45 +02:00
parent 1a2bac999f
commit 431e823234
5 changed files with 19 additions and 24 deletions
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WickedEngine/wiScene_Components.cpp
+2 -3
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@@ -1338,7 +1338,6 @@ namespace wi::scene
GetLODSubsetRange(0, first_subset, last_subset);
for (uint32_t subsetIndex = first_subset; subsetIndex < last_subset; ++subsetIndex)
{
assert(subsetIndex <= 0xFF); // must fit into 8 bits userdata packing
const MeshComponent::MeshSubset& subset = subsets[subsetIndex];
if (subset.indexCount == 0)
continue;
@@ -1346,7 +1345,6 @@ namespace wi::scene
const uint32_t triangleCount = subset.indexCount / 3;
for (uint32_t triangleIndex = 0; triangleIndex < triangleCount; ++triangleIndex)
{
assert(triangleIndex <= 0xFFFFFF); // must fit into 24 bits userdata packing
const uint32_t i0 = indices[indexOffset + triangleIndex * 3 + 0];
const uint32_t i1 = indices[indexOffset + triangleIndex * 3 + 1];
const uint32_t i2 = indices[indexOffset + triangleIndex * 3 + 2];
@@ -1354,7 +1352,8 @@ namespace wi::scene
const XMFLOAT3& p1 = vertex_positions[i1];
const XMFLOAT3& p2 = vertex_positions[i2];
AABB aabb = wi::primitive::AABB(wi::math::Min(p0, wi::math::Min(p1, p2)), wi::math::Max(p0, wi::math::Max(p1, p2)));
aabb.userdata = (triangleIndex & 0xFFFFFF) | ((subsetIndex & 0xFF) << 24u);
aabb.layerMask = triangleIndex;
aabb.userdata = subsetIndex;
bvh_leaf_aabbs.push_back(aabb);
}
}