clray

annotate src/scene.h @ 32:4cf4919c3812

performance sucks
author John Tsiombikas <nuclear@member.fsf.org>
date Tue, 24 Aug 2010 05:43:57 +0100
parents 353d80127627
children 7d77ded5f890
rev   line source
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@22 43 struct KDNode {
nuclear@25 44 AABBox aabb;
nuclear@26 45 float cost;
nuclear@24 46
nuclear@24 47 KDNode *left, *right;
nuclear@32 48 std::vector<int> face_idx;
nuclear@26 49
nuclear@26 50 KDNode();
nuclear@23 51 };
nuclear@22 52
nuclear@24 53 struct KDNodeGPU {
nuclear@28 54 AABBox aabb;
nuclear@28 55 int face_idx[32];
nuclear@28 56 int num_faces;
nuclear@28 57 int padding[3];
nuclear@24 58 };
nuclear@24 59
nuclear@24 60
nuclear@6 61 class Scene {
nuclear@24 62 private:
nuclear@24 63 mutable Face *facebuf;
nuclear@24 64 mutable int num_faces;
nuclear@24 65
nuclear@28 66 mutable KDNodeGPU *kdbuf;
nuclear@28 67
nuclear@6 68 public:
nuclear@6 69 std::vector<Mesh*> meshes;
nuclear@6 70 std::vector<Material> matlib;
nuclear@24 71 KDNode *kdtree;
nuclear@24 72
nuclear@24 73 Scene();
nuclear@24 74 ~Scene();
nuclear@6 75
nuclear@13 76 bool add_mesh(Mesh *m);
John@14 77 int get_num_meshes() const;
John@14 78 int get_num_materials() const;
John@14 79 int get_num_faces() const;
nuclear@13 80
John@14 81 Material *get_materials();
John@14 82 const Material *get_materials() const;
nuclear@13 83
nuclear@6 84 bool load(const char *fname);
nuclear@6 85 bool load(FILE *fp);
nuclear@22 86
nuclear@24 87 const Face *get_face_buffer() const;
nuclear@28 88 const KDNodeGPU *get_kdtree_buffer() const;
nuclear@29 89 int get_kdtree_buffer_size() const;
nuclear@27 90
nuclear@27 91 void draw_kdtree() const;
nuclear@27 92 bool build_kdtree();
nuclear@6 93 };
nuclear@6 94
nuclear@26 95 enum {
nuclear@26 96 ACCEL_PARAM_MAX_TREE_DEPTH,
nuclear@26 97 ACCEL_PARAM_MAX_NODE_ITEMS,
nuclear@26 98 ACCEL_PARAM_COST_TRAVERSE,
nuclear@26 99 ACCEL_PARAM_COST_INTERSECT,
nuclear@26 100
nuclear@26 101 NUM_ACCEL_PARAMS
nuclear@26 102 };
nuclear@26 103
nuclear@26 104 void set_accel_param(int p, int v);
nuclear@26 105
nuclear@28 106 int kdtree_depth(const KDNode *tree);
nuclear@28 107 int kdtree_nodes(const KDNode *tree);
nuclear@28 108
nuclear@32 109 bool kdtree_dump(const KDNode *tree, const char *fname);
nuclear@32 110 KDNode *kdtree_restore(const char *fname);
nuclear@32 111
nuclear@6 112 #endif /* MESH_H_ */