feat: multithread building vbo

This commit is contained in:
parker
2025-08-03 03:47:51 +01:00
parent 488ff9ff72
commit 40c37438ce
4 changed files with 59 additions and 54 deletions

View File

@@ -75,7 +75,7 @@ public:
{
// TODO:protect against invalid positions
// TODO: cast types
return data_[pos];
return (*data_)[pos];
}
void setValue(size_t pos, const T& value)

View File

@@ -170,24 +170,25 @@ enzo::geo::HeMesh geo::Geometry::computeHalfEdgeMesh()
return heMesh;
}
unsigned int geo::Geometry::getPrimStartVertex(ga::Offset primOffset)
ga::Offset geo::Geometry::getPrimStartVertex(ga::Offset primOffset) const
{
const ga::Offset handleSize = vertexCountHandlePrim_.getSize();
// TODO: add smarter system to recompute primStarts_, also move to separate function
// if size changed, recompute
if(handleSize!=primStarts_.size())
{
bt::intT primStart = 0;
for(size_t i=0; i<handleSize; ++i)
{
primStarts_.push_back(primStart);
primStart += vertexCountHandlePrim_.getValue(i);
}
}
return primStarts_[primOffset];
}
// TODO: handle this automatically
void geo::Geometry::computePrimStartVertices()
{
const ga::Offset handleSize = vertexCountHandlePrim_.getSize();
bt::intT primStart = 0;
for(size_t i=0; i<handleSize; ++i)
{
primStarts_.push_back(primStart);
primStart += vertexCountHandlePrim_.getValue(i);
}
}
ga::AttributeHandle<int> geo::Geometry::addIntAttribute(ga::AttributeOwner owner, std::string name)

View File

@@ -31,14 +31,15 @@ public:
std::vector<bt::Vector3> derivePointNormals();
HeMesh computeHalfEdgeMesh();
// returns the first vertex of the primitive
unsigned int getPrimStartVertex(ga::Offset primOffset);
void addFace(std::initializer_list<ga::Offset> pointOffsets);
ga::Offset getPrimStartVertex(ga::Offset primOffset) const;
bt::Vector3 getPosFromVert(ga::Offset vertexOffset) const;
bt::Vector3 getPointPos(ga::Offset pointOffset) const;
unsigned int getPrimVertCount(ga::Offset primOffset) const;
ga::Offset getNumPrims() const;
ga::Offset getNumVerts() const;
void computePrimStartVertices();
private:
using attribVector = std::vector<std::shared_ptr<ga::Attribute>>;
attribVector& getAttributeStore(ga::AttributeOwner& owner);