Meshletize - checklist vector<bool> subscript out of range #235
Description
For some mesh, the checklist vector is not properly sized, thus we get Expression: vector<bool> subscript out of range originating at this line:
In my case, we are short of just one index, (adj[i] - startIndex) == checklist.size()
So as a quick workaround I added +1 to the resize at L261
checklist.resize(subset.second + 1);I can reproduce this error with BrainStem.gltf available here
After loading the GLTF file in a struct like this:
struct Mesh {
std::vector<UINT> indices;
std::vector<Primitive> primitives;
std::vector<XMFLOAT3> positions;
std::vector<XMFLOAT3> normals;
std::vector<XMFLOAT2> uvs;
}I'm using ComputeMeshlets with subsets.
std::vector<MeshletSubset> subsets;
subsets.reserve(primitives.size());
for (const auto& prim : primitives) {
subsets.emplace_back(prim.start / 3, prim.count / 3);
}
std::vector<MeshletSubset> meshletSubsets(primitives.size());
constexpr size_t maxPrims = 126;
constexpr size_t maxVerts = 64;
CHECK_HR(ComputeMeshlets(
indices.data(), indices.size() / 3,
positions.data(), positions.size(),
subsets.data(), subsets.size(),
nullptr,
meshlets, uniqueVertexIndices, primitiveIndices,
meshletSubsets.data(),
maxVerts, maxPrims));