nuclear@4: #ifndef VR_H_
nuclear@4: #define VR_H_
nuclear@4: 
nuclear@7: #define VR_OPT_DISPLAY_WIDTH	"display-xres"
nuclear@7: #define VR_OPT_DISPLAY_HEIGHT	"display-yres"
nuclear@7: #define VR_OPT_LEYE_XRES	"left-eye-xres"
nuclear@7: #define VR_OPT_LEYE_YRES	"left-eye-yres"
nuclear@7: #define VR_OPT_REYE_XRES	"right-eye-xres"
nuclear@7: #define VR_OPT_REYE_YRES	"right-eye-yres"
nuclear@7: #define VR_OPT_EYE_HEIGHT	"eye-height"
nuclear@7: #define VR_OPT_IPD			"ipd"
nuclear@11: #define VR_OPT_WIN_XOFFS	"win-xoffset"
nuclear@11: #define VR_OPT_WIN_YOFFS	"win-yoffset"
nuclear@7: 
nuclear@5: enum {
nuclear@5: 	VR_EYE_LEFT,
nuclear@5: 	VR_EYE_RIGHT
nuclear@5: };
nuclear@5: 
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@7: void vr_set_opti(const char *optname, int val);
nuclear@7: void vr_set_optf(const char *optname, float val);
nuclear@7: int vr_get_opti(const char *optname);
nuclear@7: float vr_get_optf(const char *optname);
nuclear@7: 
nuclear@7: int vr_view_translation(int eye, float *vec);
nuclear@7: int vr_view_rotation(int eye, float *quat);
nuclear@5: 
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@7: int vr_proj_matrix(int eye, float znear, float zfar, float *mat);
nuclear@4: 
nuclear@5: void vr_begin(int eye);
nuclear@5: void vr_end(void);
nuclear@6: int vr_swap_buffers(void);
nuclear@4: 
nuclear@7: /* set the output texture or separate textures for each eye */
nuclear@7: void vr_output_texture(unsigned int tex, float umin, float vmin, float umax, float vmax);
nuclear@7: void vr_output_texture_eye(int eye, unsigned int tex, float umin, float vmin, float umax, float vmax);
nuclear@7: 
nuclear@7: void vr_recenter(void);
nuclear@7: 
nuclear@4: #ifdef __cplusplus
nuclear@4: }
nuclear@4: #endif
nuclear@4: 
nuclear@4: #endif	/* VR_H_ */