libgoatvr

annotate src/vr.h @ 12:b536bd21b37f

added vr_get_def functions
author John Tsiombikas <nuclear@member.fsf.org>
date Wed, 24 Sep 2014 23:50:40 +0300
parents 34d4643d61f9
children 27fcd4c2969d
rev   line source
nuclear@0 1 #ifndef VR_H_
nuclear@0 2 #define VR_H_
nuclear@0 3
nuclear@8 4 /* unit: pixels */
nuclear@11 5 #define VR_DISPLAY_WIDTH "display-xres"
nuclear@11 6 #define VR_DISPLAY_HEIGHT "display-yres"
nuclear@11 7 #define VR_LEYE_XRES "left-eye-xres"
nuclear@11 8 #define VR_LEYE_YRES "left-eye-yres"
nuclear@11 9 #define VR_REYE_XRES "right-eye-xres"
nuclear@11 10 #define VR_REYE_YRES "right-eye-yres"
nuclear@11 11 #define VR_WIN_XOFFS "win-xoffset"
nuclear@11 12 #define VR_WIN_YOFFS "win-yoffset"
nuclear@8 13 /* unit: meters */
nuclear@11 14 #define VR_EYE_HEIGHT "eye-height"
nuclear@11 15 #define VR_IPD "ipd"
nuclear@0 16
nuclear@0 17 enum {
nuclear@0 18 VR_EYE_LEFT,
nuclear@0 19 VR_EYE_RIGHT
nuclear@0 20 };
nuclear@0 21
nuclear@0 22 #ifdef __cplusplus
nuclear@0 23 extern "C" {
nuclear@0 24 #endif
nuclear@0 25
nuclear@0 26 int vr_init(void);
nuclear@0 27 void vr_shutdown(void);
nuclear@0 28
nuclear@0 29 int vr_module_count(void);
nuclear@0 30 const char *vr_module_name(int idx);
nuclear@0 31
nuclear@0 32 int vr_use_module(int idx);
nuclear@0 33 int vr_use_module_named(const char *name);
nuclear@0 34
nuclear@11 35 void vr_seti(const char *optname, int val);
nuclear@11 36 void vr_setf(const char *optname, float val);
nuclear@11 37 int vr_geti(const char *optname);
nuclear@11 38 float vr_getf(const char *optname);
nuclear@12 39 /* variants of the get functions, with an additional "default value"
nuclear@12 40 * argument, which is returned if the requested option is missing
nuclear@12 41 */
nuclear@12 42 int vr_geti_def(const char *optname, int def_val);
nuclear@12 43 float vr_getf_def(const char *optname, float def_val);
nuclear@0 44
nuclear@0 45 int vr_view_translation(int eye, float *vec);
nuclear@0 46 int vr_view_rotation(int eye, float *quat);
nuclear@0 47
nuclear@0 48 /* returns non-zero if the active vr module provides this kind of matrix
nuclear@0 49 * information, otherwise it returns zero, and sets mat to identity
nuclear@0 50 */
nuclear@0 51 int vr_view_matrix(int eye, float *mat);
nuclear@0 52 int vr_proj_matrix(int eye, float znear, float zfar, float *mat);
nuclear@0 53
nuclear@0 54 void vr_begin(int eye);
nuclear@0 55 void vr_end(void);
nuclear@0 56 int vr_swap_buffers(void);
nuclear@0 57
nuclear@0 58 /* set the output texture or separate textures for each eye */
nuclear@0 59 void vr_output_texture(unsigned int tex, float umin, float vmin, float umax, float vmax);
nuclear@0 60 void vr_output_texture_eye(int eye, unsigned int tex, float umin, float vmin, float umax, float vmax);
nuclear@0 61
nuclear@0 62 void vr_recenter(void);
nuclear@0 63
nuclear@0 64 #ifdef __cplusplus
nuclear@0 65 }
nuclear@0 66 #endif
nuclear@0 67
nuclear@0 68 #endif /* VR_H_ */