symmetry

annotate src/vr.h @ 0:a90a71a74f0b

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Tue, 25 Feb 2014 19:53:34 +0200
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nuclear@0 1 #ifndef GOAT3DGFX_VR_H_
nuclear@0 2 #define GOAT3DGFX_VR_H_
nuclear@0 3
nuclear@0 4 /* VR mode init options */
nuclear@0 5 enum vr_init_mode {
nuclear@0 6 VR_INIT_NONE,
nuclear@0 7 VR_INIT_OCULUS,
nuclear@0 8 VR_INIT_STEREO
nuclear@0 9 };
nuclear@0 10
nuclear@0 11 /* possible eye values */
nuclear@0 12 enum {
nuclear@0 13 VR_EYE_CENTER,
nuclear@0 14 VR_EYE_LEFT,
nuclear@0 15 VR_EYE_RIGHT
nuclear@0 16 };
nuclear@0 17
nuclear@0 18 #ifdef __cplusplus
nuclear@0 19 extern "C" {
nuclear@0 20 #endif
nuclear@0 21
nuclear@0 22 int vr_init(enum vr_init_mode mode);
nuclear@0 23 void vr_shutdown(void);
nuclear@0 24
nuclear@0 25 const char *vr_get_display_name(void);
nuclear@0 26 void vr_get_display_pos(int *xptr, int *yptr);
nuclear@0 27
nuclear@0 28 int vr_get_width(void);
nuclear@0 29 int vr_get_height(void);
nuclear@0 30
nuclear@0 31 float vr_get_fov(void);
nuclear@0 32 float vr_get_aspect(void);
nuclear@0 33
nuclear@0 34 void vr_set_eyedist(float ipd);
nuclear@0 35 float vr_get_eyedist(void);
nuclear@0 36
nuclear@0 37 /* expects an array of 4 barrel distortion coefficients:
nuclear@0 38 * polar scale: k_0 + k_1 r^2 + k_2 r^4 + k_3 r^6
nuclear@0 39 */
nuclear@0 40 void vr_set_distort(const float *coef);
nuclear@0 41 void vr_get_distort(float *coef);
nuclear@0 42
nuclear@0 43 void vr_set_prediction_sec(float dt);
nuclear@0 44 float vr_get_prediction_sec(void);
nuclear@0 45
nuclear@0 46 void vr_get_view_matrix(float *res, int eye);
nuclear@0 47 void vr_get_proj_matrix(float *res, int eye);
nuclear@0 48
nuclear@0 49 /* expects an array of at least 3 floats (x, y, z, offset). */
nuclear@0 50 void vr_get_translation(float *offs);
nuclear@0 51 /* expects an array of at least 4 floats (x, y, z, w, quaternion). */
nuclear@0 52 void vr_get_rotation(float *quat);
nuclear@0 53 /* expects an array of at least 3 floats (pitch, yaw, roll, angles). */
nuclear@0 54 void vr_get_rotation_euler(float *euler);
nuclear@0 55
nuclear@0 56 /* OpenGL stuff */
nuclear@0 57 void vr_draw_eye(int eye, unsigned int tex, float tex_scale_x, float tex_scale_y);
nuclear@0 58
nuclear@0 59 #ifdef __cplusplus
nuclear@0 60 }
nuclear@0 61 #endif
nuclear@0 62
nuclear@0 63 #endif /* GOAT3DGFX_VR_H_ */