mirror of
https://github.com/TheRedShip/RT_GPU.git
synced 2025-09-27 18:48:36 +02:00
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* BVH.hpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ycontre <ycontre@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/01/16 21:36:19 by TheRed #+# #+# */
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/* Updated: 2025/01/17 18:59:28 by ycontre ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef RT_BVH__HPP
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# define RT_BVH__HPP
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# include "RT.hpp"
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struct GPUTriangle;
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struct GPUObject;
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struct GPUBvh;
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struct AABB;
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struct BVHStats
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{
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int min_triangles;
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int max_triangles;
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float average_triangles;
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};
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class BVH
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{
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public:
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BVH(std::vector<Triangle> &triangles, int first_primitive, int primitive_count);
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void updateBounds(std::vector<Triangle> &triangles);
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void subdivide(std::vector<Triangle> &triangles);
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float evaluateSah(std::vector<Triangle> &triangles, int axis, float pos);
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int getSize();
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int getLeaves();
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BVHStats analyzeBVHLeaves(BVH* root);
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void flatten(std::vector<GPUBvh> &bvhs, int ¤tIndex);
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GPUBvh toGPUBvh();
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const AABB &getAABB() const;
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std::vector<GPUBvh> getGPUBvhs();
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private:
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AABB _aabb;
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BVH *_left;
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BVH *_right;
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bool _is_leaf;
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int _first_primitive;
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int _primitive_count;
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};
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#endif |