nuclear@4: #ifndef VR_H_
nuclear@4: #define VR_H_
nuclear@4: 
nuclear@4: #ifdef __cplusplus
nuclear@4: extern "C" {
nuclear@4: #endif
nuclear@4: 
nuclear@4: int vr_init(void);
nuclear@4: void vr_shutdown(void);
nuclear@4: 
nuclear@4: int vr_module_count(void);
nuclear@4: const char *vr_module_name(int idx);
nuclear@4: 
nuclear@4: int vr_use_module(int idx);
nuclear@4: int vr_use_module_named(const char *name);
nuclear@4: 
nuclear@4: /* returns non-zero if the active vr module provides this kind of matrix
nuclear@4:  * information, otherwise it returns zero, and sets mat to identity
nuclear@4:  */
nuclear@4: int vr_view_matrix(int eye, float *mat);
nuclear@4: int vr_proj_matrix(int eye, float *mat);
nuclear@4: 
nuclear@4: /* fbtex should be a texture containing both eye views side by side (LR) */
nuclear@4: void vr_present(unsigned int fbtex);
nuclear@4: 
nuclear@4: /* set the area of the framebuffer texture to be used */
nuclear@4: void vr_fbrect(float u, float umax, float v, float vmax);
nuclear@4: 
nuclear@4: #ifdef __cplusplus
nuclear@4: }
nuclear@4: #endif
nuclear@4: 
nuclear@4: #endif	/* VR_H_ */