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nuclear@4
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1 #ifdef WIN32
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nuclear@4
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2 #define WIN32_LEAN_AND_MEAN
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nuclear@4
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3 #include <windows.h>
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4 #endif
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5
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6 #ifdef __APPLE__
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nuclear@4
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7 #include <OpenGL/gl.h>
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8 #else
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9 #include <GL/gl.h>
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10 #endif
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11
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12 #include "vr_impl.h"
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13
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nuclear@7
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14 static unsigned int eye_tex[2];
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nuclear@7
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15 static float tex_umin[2], tex_umax[2];
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nuclear@7
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16 static float tex_vmin[2], tex_vmax[2];
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nuclear@7
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17
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nuclear@4
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18 static int init(void)
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19 {
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20 return 0;
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21 }
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22
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nuclear@7
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23 static void present(void)
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nuclear@7
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24 {
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nuclear@7
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25 int i;
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nuclear@7
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26
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nuclear@7
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27 glPushAttrib(GL_ENABLE_BIT | GL_TRANSFORM_BIT);
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nuclear@7
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28
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nuclear@7
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29 glDisable(GL_LIGHTING);
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nuclear@7
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30 glDisable(GL_DEPTH_TEST);
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nuclear@7
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31 glDisable(GL_FOG);
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nuclear@7
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32 glDisable(GL_CULL_FACE);
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nuclear@7
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33
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nuclear@7
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34 glEnable(GL_TEXTURE_2D);
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nuclear@7
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35
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nuclear@7
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36 glMatrixMode(GL_MODELVIEW);
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nuclear@7
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37 glLoadIdentity();
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nuclear@7
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38 glMatrixMode(GL_PROJECTION);
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nuclear@7
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39 glLoadIdentity();
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nuclear@7
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40
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nuclear@7
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41 for(i=0; i<2; i++) {
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nuclear@7
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42 float x0 = i == 0 ? -1 : 0;
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nuclear@7
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43 float x1 = i == 0 ? 0 : 1;
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nuclear@7
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44
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45 glBindTexture(GL_TEXTURE_2D, eye_tex[i]);
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nuclear@7
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46
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47 glBegin(GL_QUADS);
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nuclear@7
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48 glTexCoord2f(tex_umin[i], tex_vmin[i]);
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nuclear@7
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49 glVertex2f(x0, -1);
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nuclear@7
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50 glTexCoord2f(tex_umax[i], tex_vmin[i]);
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nuclear@7
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51 glVertex2f(x1, -1);
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nuclear@7
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52 glTexCoord2f(tex_umax[i], tex_vmax[i]);
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nuclear@7
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53 glVertex2f(x1, 1);
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nuclear@7
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54 glTexCoord2f(tex_umin[i], tex_vmax[i]);
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nuclear@7
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55 glVertex2f(x0, 1);
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nuclear@7
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56 glEnd();
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nuclear@7
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57 }
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nuclear@7
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58
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nuclear@7
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59 glPopMatrix();
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nuclear@7
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60 glMatrixMode(GL_MODELVIEW);
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nuclear@7
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61 glPopMatrix();
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nuclear@7
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62
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nuclear@7
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63 glPopAttrib();
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nuclear@7
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64
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nuclear@7
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65 #ifdef WIN32
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nuclear@7
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66 SwapBuffers(wglGetCurrentDC());
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67 #endif
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68 }
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69
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nuclear@7
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70 static void set_eye_texture(int eye, unsigned int tex, float umin, float vmin, float umax, float vmax)
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nuclear@7
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71 {
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nuclear@7
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72 eye_tex[eye] = tex;
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nuclear@7
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73 tex_umin[eye] = umin;
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nuclear@7
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74 tex_umax[eye] = umax;
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nuclear@7
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75 tex_vmin[eye] = vmin;
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nuclear@7
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76 tex_vmax[eye] = vmax;
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nuclear@7
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77 }
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nuclear@7
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78
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nuclear@4
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79 struct vr_module *vr_module_null(void)
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nuclear@4
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80 {
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nuclear@4
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81 static struct vr_module m;
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nuclear@4
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82
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nuclear@4
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83 if(!m.init) {
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nuclear@4
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84 m.name = "null";
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nuclear@4
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85 m.init = init;
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nuclear@7
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86 m.set_eye_texture = set_eye_texture;
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nuclear@7
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87 m.present = present;
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nuclear@4
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88 }
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nuclear@4
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89 return &m;
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nuclear@4
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90 }
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