annotate src/vr.h @ 1:e2f9e4603129
added LibOVR and started a simple vr wrapper.
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Sat, 14 Sep 2013 16:14:59 +0300 |
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| children |
b069a5c27388 |
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line source |
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1 #ifndef VR_H_
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2 #define VR_H_
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3
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4 /* VR mode init options */
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5 enum vr_init_mode {
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6 VR_INIT_NONE,
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7 VR_INIT_OCULUS,
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8 VR_INIT_STEREO
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9 };
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10
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11 /* possible eye values */
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12 enum {
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13 VR_EYE_CENTER,
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14 VR_EYE_LEFT,
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15 VR_EYE_RIGHT
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16 };
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17
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18 #ifdef __cplusplus
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19 extern "C" {
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20 #endif
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21
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22 int vr_init(enum vr_init_mode mode);
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23 void vr_shutdown(void);
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24
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25 void vr_set_fov(float fov);
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26 float vr_get_fov(void);
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27
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28 void vr_set_aspect(float aspect);
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29 float vr_get_aspect(void);
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30
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31 void vr_set_eyedist(float ipd);
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32 float vr_get_eyedist(void);
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33
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34 /* expects an array of 4 barrel distortion coefficients:
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35 * polar scale: k_0 + k_1 r^2 + k_2 r^4 + k_3 r^6
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36 */
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37 void vr_set_distort(const float *coef);
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38 void vr_get_distort(float *coef);
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39
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40 void vr_get_view_matrix(float *res, int eye);
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41 void vr_get_proj_matrix(float *res, int eye);
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42
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43 /* expects an array of at least 3 floats (x, y, z, offset). */
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44 void vr_get_translation(float *offs);
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45 /* expects an array of at least 4 floats (x, y, z, w, quaternion). */
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46 void vr_get_rotation(float *quat);
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47 /* expects an array of at least 3 floats (pitch, yaw, roll, angles). */
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48 void vr_get_rotation_euler(float *euler);
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49
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50 /* OpenGL stuff */
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51 void vr_draw_eye(unsigned int tex, int eye);
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52
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53 #ifdef __cplusplus
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54 }
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55 #endif
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56
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57 #endif /* VR_H_ */
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