1 #ifndef RT_H_

2 #define RT_H_

3

4 #include "scene.h"

5

6 enum {

7 ROPT_ITER,

8 ROPT_SHAD,

9 ROPT_REFL,

10

11 NUM_RENDER_OPTIONS

12 };

13

14 struct RendInfo {

15 float ambient[4];

16 int xsz, ysz;

17 int num_faces, num_lights;

18 int max_iter;

19 int cast_shadows;

20 };

21

22 struct Ray {

23 float origin[4], dir[4];

24 };

25

26

27 bool init_renderer(int xsz, int ysz, Scene *scn, unsigned int tex);

28 void destroy_renderer();

29 bool render();

30 void set_xform(float *matrix, float *invtrans);

31

32 const RendInfo *get_render_info();

33

34 void set_render_option(int opt, bool val);

35 void set_render_option(int opt, int val);

36 void set_render_option(int opt, float val);

37

38 bool get_render_option_bool(int opt);

39 int get_render_option_int(int opt);

40 float get_render_option_float(int opt);

41

42 // raytrace in the CPU

43 bool init_dbg_renderer(int xsz, int ysz, Scene *scn, unsigned int texid);

44 void destroy_dbg_renderer();

45 void dbg_set_primary_rays(const Ray *rays);

46 void dbg_render(const float *xform, const float *invtrans_xform, int num_threads = -1);

47

48 // visualize the scene using OpenGL

49 void dbg_render_gl(Scene *scn, bool show_tree = false, bool show_obj = true);

50

51 #endif /* RT_H_ */