Drop unused thekla_atlas dependency

Since f12cb82 @reduz dropped the use of the thirdparty thekla_atlas
library, which is replaced by xatlas.

Fixes #28180.
Fixes #28182.

1 files changed, 0 insertions, 99 deletions

diff --git a/thirdparty/thekla_atlas/nvmath/ProximityGrid.h b/thirdparty/thekla_atlas/nvmath/ProximityGrid.h
deleted file mode 100644
index a21bb3bd68..0000000000
--- a/thirdparty/thekla_atlas/nvmath/ProximityGrid.h
+++ /dev/null
@@ -1,99 +0,0 @@
-#pragma once
-#ifndef NV_MATH_PROXIMITYGRID_H
-#define NV_MATH_PROXIMITYGRID_H
-
-#include "Vector.h"
-#include "ftoi.h"
-
-#include "nvcore/Array.inl"
-
-
-// A simple, dynamic proximity grid based on Jon's code.
-// Instead of storing pointers here I store indices.
-
-namespace nv {
-
-    class Box;
-
-    struct Cell {
-        Array<uint> indexArray;
-    };
-
-    struct ProximityGrid {
-        ProximityGrid();
-
-        void reset();
-        void init(const Array<Vector3> & pointArray);
-        void init(const Box & box, uint count);
-
-        int index_x(float x) const;
-        int index_y(float y) const;
-        int index_z(float z) const;
-        int index(int x, int y, int z) const;
-        int index(const Vector3 & pos) const;
-        
-        uint32 mortonCount() const;
-        int mortonIndex(uint32 code) const;
-
-        void add(const Vector3 & pos, uint key);
-        bool remove(const Vector3 & pos, uint key);
-
-        void gather(const Vector3 & pos, float radius, Array<uint> & indices);
-
-        Array<Cell> cellArray;
-
-        Vector3 corner;
-        Vector3 invCellSize;
-        int sx, sy, sz;
-    };
-
-    // For morton traversal, do:
-    // for (int code = 0; code < mortonCount(); code++) {
-    //   int idx = mortonIndex(code);
-    //   if (idx < 0) continue;
-    // }
-
-
-
-    inline int ProximityGrid::index_x(float x) const {
-        return clamp(ftoi_floor((x - corner.x) * invCellSize.x),  0, sx-1);
-    }
-
-    inline int ProximityGrid::index_y(float y) const {
-        return clamp(ftoi_floor((y - corner.y) * invCellSize.y),  0, sy-1);
-    }
-
-    inline int ProximityGrid::index_z(float z) const {
-        return clamp(ftoi_floor((z - corner.z) * invCellSize.z),  0, sz-1);
-    }
-
-    inline int ProximityGrid::index(int x, int y, int z) const {
-        nvDebugCheck(x >= 0 && x < sx);
-        nvDebugCheck(y >= 0 && y < sy);
-        nvDebugCheck(z >= 0 && z < sz);
-        int idx = (z * sy + y) * sx + x;
-        nvDebugCheck(idx >= 0 && uint(idx) < cellArray.count());
-        return idx;
-    }
-
-    inline int ProximityGrid::index(const Vector3 & pos) const {
-        int x = index_x(pos.x);
-        int y = index_y(pos.y);
-        int z = index_z(pos.z);
-        return index(x, y, z);
-    }
-
-
-    inline void ProximityGrid::add(const Vector3 & pos, uint key) {
-        uint idx = index(pos);
-        cellArray[idx].indexArray.append(key);
-    }
-
-    inline bool ProximityGrid::remove(const Vector3 & pos, uint key) {
-        uint idx = index(pos);
-        return cellArray[idx].indexArray.remove(key);
-    }
-
-} // nv namespace
-
-#endif // NV_MATH_PROXIMITYGRID_H