1.1 --- a/src/rt.h	Fri Sep 10 16:47:00 2010 +0100
     1.2 +++ b/src/rt.h	Sat Sep 11 03:00:21 2010 +0100
     1.3 @@ -1,6 +1,7 @@
     1.4  #ifndef RT_H_
     1.5  #define RT_H_
     1.6  
     1.7 +#include <stdio.h>
     1.8  #include "scene.h"
     1.9  
    1.10  enum {
    1.11 @@ -23,6 +24,20 @@
    1.12  	float origin[4], dir[4];
    1.13  };
    1.14  
    1.15 +struct RenderStats {
    1.16 +	unsigned long render_time, tex_update_time;
    1.17 +
    1.18 +	int aabb_tests, triangle_tests;
    1.19 +	int min_aabb_tests, max_aabb_tests;
    1.20 +	float avg_aabb_tests;
    1.21 +	int min_triangle_tests, max_triangle_tests;
    1.22 +	float avg_triangle_tests;
    1.23 +
    1.24 +	int rays_cast, rays_per_sec;
    1.25 +	int prim_rays, refl_rays, shadow_rays;
    1.26 +	int brdf_evals;
    1.27 +};
    1.28 +
    1.29  
    1.30  bool init_renderer(int xsz, int ysz, Scene *scn, unsigned int tex);
    1.31  void destroy_renderer();
    1.32 @@ -30,6 +45,8 @@
    1.33  void set_xform(float *matrix, float *invtrans);
    1.34  
    1.35  const RendInfo *get_render_info();
    1.36 +const RenderStats *get_render_stats();
    1.37 +void print_render_stats(FILE *out = stdout);
    1.38  
    1.39  void set_render_option(int opt, bool val);
    1.40  void set_render_option(int opt, int val);
    1.41 @@ -39,12 +56,13 @@
    1.42  int get_render_option_int(int opt);
    1.43  float get_render_option_float(int opt);
    1.44  
    1.45 -// raytrace in the CPU
    1.46 +// regular C++ raytracing using the KD-tree (single-threaded, keeps extensive debug stats)
    1.47  bool init_dbg_renderer(int xsz, int ysz, Scene *scn, unsigned int texid);
    1.48  void destroy_dbg_renderer();
    1.49  void dbg_set_primary_rays(const Ray *rays);
    1.50  void dbg_render(const float *xform, const float *invtrans_xform, int num_threads = -1);
    1.51  
    1.52 +
    1.53  // visualize the scene using OpenGL
    1.54  void dbg_render_gl(Scene *scn, bool show_tree = false, bool show_obj = true);
    1.55