Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/quadriflow/src/dedge.hpp

@@ -0,0 +1,25 @@
+#ifndef DEDGE_H_
+#define DEDGE_H_
+
+#include <Eigen/Core>
+#include <Eigen/Dense>
+#include <vector>
+
+namespace qflow {
+
+using namespace Eigen;
+
+inline int dedge_prev_3(int e) { return (e % 3 == 0) ? e + 2 : e - 1; }
+inline int dedge_next_3(int e) { return (e % 3 == 2) ? e - 2 : e + 1; }
+
+bool compute_direct_graph(MatrixXd& V, MatrixXi& F, VectorXi& V2E,
+	VectorXi& E2E, VectorXi& boundary, VectorXi& nonManifold);
+
+void compute_direct_graph_quad(std::vector<Vector3d>& V, std::vector<Vector4i>& F, std::vector<int>& V2E,
+                               std::vector<int>& E2E, VectorXi& boundary, VectorXi& nonManifold);
+
+void remove_nonmanifold(std::vector<Vector4i> &F, std::vector<Vector3d> &V);
+
+} // namespace qflow
+
+#endif