clray
annotate src/scene.h @ 26:c740ae431d51
continuing with the kdtree construction
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Tue, 17 Aug 2010 01:19:43 +0100 |
parents | 58642a8316b7 |
children | 8b2f2ad14ae7 |
rev | line source |
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nuclear@6 | 1 #ifndef MESH_H_ |
nuclear@6 | 2 #define MESH_H_ |
nuclear@6 | 3 |
nuclear@23 | 4 #include <stdio.h> |
nuclear@6 | 5 #include <vector> |
nuclear@24 | 6 #include <list> |
nuclear@6 | 7 |
nuclear@6 | 8 struct Vertex { |
nuclear@9 | 9 float pos[4]; |
nuclear@9 | 10 float normal[4]; |
nuclear@12 | 11 float tex[4]; |
nuclear@12 | 12 float padding[4]; |
nuclear@6 | 13 }; |
nuclear@6 | 14 |
nuclear@6 | 15 struct Face { |
nuclear@6 | 16 Vertex v[3]; |
nuclear@9 | 17 float normal[4]; |
nuclear@6 | 18 int matid; |
nuclear@12 | 19 int padding[3]; |
John@15 | 20 |
John@15 | 21 bool operator ==(const Face &f) const; |
nuclear@6 | 22 }; |
nuclear@6 | 23 |
nuclear@6 | 24 struct Material { |
nuclear@9 | 25 float kd[4], ks[4]; |
nuclear@6 | 26 float kr, kt; |
nuclear@6 | 27 float spow; |
nuclear@12 | 28 float padding; |
nuclear@6 | 29 }; |
nuclear@6 | 30 |
nuclear@6 | 31 struct Mesh { |
nuclear@6 | 32 std::vector<Face> faces; |
nuclear@6 | 33 int matid; |
nuclear@6 | 34 }; |
nuclear@6 | 35 |
nuclear@25 | 36 class AABBox { |
nuclear@25 | 37 public: |
nuclear@25 | 38 float min[4], max[4]; |
nuclear@25 | 39 |
nuclear@25 | 40 float calc_surface_area() const; |
nuclear@25 | 41 }; |
nuclear@25 | 42 |
nuclear@23 | 43 enum { |
nuclear@22 | 44 KDAXIS_X, |
nuclear@22 | 45 KDAXIS_Y, |
nuclear@22 | 46 KDAXIS_Z |
nuclear@22 | 47 }; |
nuclear@22 | 48 |
nuclear@22 | 49 #define KDCLEAR(node) ((node)->axis = -1) |
nuclear@22 | 50 #define KDUSED(node) ((node)->axis >= 0) |
nuclear@22 | 51 #define KDPARENT(x) ((x) >> 1) |
nuclear@22 | 52 #define KDLEFT(x) ((x) << 1) |
nuclear@22 | 53 #define KDRIGHT(x) (((x) << 1) + 1) |
nuclear@22 | 54 |
nuclear@22 | 55 struct KDNode { |
nuclear@22 | 56 int axis; |
nuclear@22 | 57 float pt; |
nuclear@25 | 58 AABBox aabb; |
nuclear@26 | 59 float cost; |
nuclear@24 | 60 |
nuclear@24 | 61 KDNode *left, *right; |
nuclear@26 | 62 int num_faces; // cause on some implementations list::size() is O(n) |
nuclear@25 | 63 std::list<const Face*> faces; |
nuclear@26 | 64 |
nuclear@26 | 65 KDNode(); |
nuclear@23 | 66 }; |
nuclear@22 | 67 |
nuclear@24 | 68 struct KDNodeGPU { |
nuclear@24 | 69 int axis; |
nuclear@24 | 70 float pt; |
nuclear@24 | 71 }; |
nuclear@24 | 72 |
nuclear@24 | 73 |
nuclear@6 | 74 class Scene { |
nuclear@24 | 75 private: |
nuclear@24 | 76 mutable Face *facebuf; |
nuclear@24 | 77 mutable int num_faces; |
nuclear@24 | 78 |
nuclear@6 | 79 public: |
nuclear@6 | 80 std::vector<Mesh*> meshes; |
nuclear@6 | 81 std::vector<Material> matlib; |
nuclear@24 | 82 |
nuclear@24 | 83 KDNode *kdtree; |
nuclear@24 | 84 std::vector<KDNode> kdtree_gpu; |
nuclear@24 | 85 |
nuclear@24 | 86 Scene(); |
nuclear@24 | 87 ~Scene(); |
nuclear@6 | 88 |
nuclear@13 | 89 bool add_mesh(Mesh *m); |
John@14 | 90 int get_num_meshes() const; |
John@14 | 91 int get_num_materials() const; |
John@14 | 92 int get_num_faces() const; |
nuclear@13 | 93 |
John@14 | 94 Material *get_materials(); |
John@14 | 95 const Material *get_materials() const; |
nuclear@13 | 96 |
nuclear@6 | 97 bool load(const char *fname); |
nuclear@6 | 98 bool load(FILE *fp); |
nuclear@22 | 99 |
nuclear@24 | 100 const Face *get_face_buffer() const; |
nuclear@23 | 101 void build_kdtree(); |
nuclear@6 | 102 }; |
nuclear@6 | 103 |
nuclear@26 | 104 enum { |
nuclear@26 | 105 ACCEL_PARAM_MAX_TREE_DEPTH, |
nuclear@26 | 106 ACCEL_PARAM_MAX_NODE_ITEMS, |
nuclear@26 | 107 ACCEL_PARAM_COST_TRAVERSE, |
nuclear@26 | 108 ACCEL_PARAM_COST_INTERSECT, |
nuclear@26 | 109 |
nuclear@26 | 110 NUM_ACCEL_PARAMS |
nuclear@26 | 111 }; |
nuclear@26 | 112 |
nuclear@26 | 113 void set_accel_param(int p, int v); |
nuclear@26 | 114 |
nuclear@6 | 115 #endif /* MESH_H_ */ |