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annotate src/vr/vr_libovr.c @ 6:3c36bc28c6c2

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more stuff in the vr test
author John Tsiombikas <nuclear@member.fsf.org>
date Thu, 21 Aug 2014 01:08:03 +0300
parents 8b7da5ab814e
children bd8202d6d28d
rev   line source
nuclear@5 1 #ifdef WIN32
nuclear@5 2 #define OVR_OS_WIN32
nuclear@5 3 #endif
nuclear@5 4
nuclear@5 5 #include <stdio.h>
nuclear@5 6 #include <stdlib.h>
nuclear@6 7 #include "vr_impl.h"
nuclear@6 8
nuclear@6 9 #ifdef USE_LIBOVR
nuclear@5 10 #include <OVR_CAPI.h>
nuclear@5 11 #include <OVR_CAPI_GL.h>
nuclear@4 12
nuclear@5 13 static ovrHmd hmd;
nuclear@5 14
nuclear@4 15 static int init(void)
nuclear@4 16 {
nuclear@5 17 int i, num_hmds;
nuclear@5 18 union ovrGLConfig glcfg;
nuclear@5 19
nuclear@5 20 if(!ovr_Initialize()) {
nuclear@5 21 return -1;
nuclear@5 22 }
nuclear@5 23 printf("initialized LibOVR %s\n", ovr_GetVersionString());
nuclear@5 24
nuclear@5 25 if(!(num_hmds = ovrHmd_Detect())) {
nuclear@5 26 ovr_Shutdown();
nuclear@5 27 return -1;
nuclear@5 28 }
nuclear@5 29 printf("%d Oculus HMD(s) found\n", num_hmds);
nuclear@5 30
nuclear@5 31 hmd = 0;
nuclear@5 32 for(i=0; i<num_hmds; i++) {
nuclear@5 33 ovrHmd h;
nuclear@5 34 if(!(h = ovrHmd_Create(i))) {
nuclear@5 35 break;
nuclear@5 36 }
nuclear@5 37 printf(" [%d]: %s - %s\n", h->Manufacturer, h->ProductName);
nuclear@5 38
nuclear@5 39 if(!hmd) {
nuclear@5 40 hmd = h;
nuclear@5 41 } else {
nuclear@5 42 ovrHmd_Destroy(h);
nuclear@5 43 }
nuclear@5 44 }
nuclear@5 45
nuclear@5 46 if(!hmd) {
nuclear@5 47 fprintf(stderr, "failed to initialize any Oculus HMDs\n");
nuclear@5 48 return -1;
nuclear@5 49 }
nuclear@5 50
nuclear@5 51 ovrHmd_ConfigureTracking(hmd, 0xffffffff, 0);
nuclear@5 52
nuclear@5 53 glcfg.OGL.Header.API = ovrRenderAPI_OpenGL;
nuclear@5 54 glcfg.OGL.Header.RTSize = hmd->Resolution;
nuclear@5 55 glcfg.OGL.Header.Multisample = 0;
nuclear@5 56 glcfg.OGL.Window = 0;
nuclear@5 57 glcfg.OGL.DC = 0;
nuclear@5 58
nuclear@5 59 if(!ovrHmd_ConfigureRendering(hmd, &glcfg.Config, distort_caps, eyes_fov, eye_rend_desc))) {
nuclear@5 60 fprintf(stderr, "failed to configure LibOVR distortion renderer\n");
nuclear@5 61 return -1;
nuclear@5 62 }
nuclear@4 63 }
nuclear@4 64
nuclear@4 65 static void cleanup(void)
nuclear@4 66 {
nuclear@5 67 if(hmd) {
nuclear@5 68 ovrHmd_Destroy(hmd);
nuclear@5 69 ovr_Destroy();
nuclear@5 70 }
nuclear@4 71 }
nuclear@4 72
nuclear@4 73 static void view_matrix(int eye, float *mat)
nuclear@4 74 {
nuclear@4 75 }
nuclear@4 76
nuclear@4 77 static void proj_matrix(int eye, float *mat)
nuclear@4 78 {
nuclear@4 79 }
nuclear@4 80
nuclear@5 81 static void begin(int eye)
nuclear@4 82 {
nuclear@4 83 }
nuclear@4 84
nuclear@5 85 static void end(void)
nuclear@5 86 {
nuclear@5 87 }
nuclear@5 88
nuclear@5 89 static void present(void)
nuclear@5 90 {
nuclear@5 91 }
nuclear@5 92
nuclear@5 93
nuclear@4 94 struct vr_module *vr_module_libovr(void)
nuclear@4 95 {
nuclear@4 96 static struct vr_module m;
nuclear@4 97
nuclear@4 98 if(!m.init) {
nuclear@4 99 m.name = "libovr";
nuclear@4 100 m.init = init;
nuclear@4 101 m.cleanup = cleanup;
nuclear@4 102 m.view_matrix = view_matrix;
nuclear@4 103 m.proj_matrix = proj_matrix;
nuclear@5 104 m.begin = begin;
nuclear@5 105 m.end = end;
nuclear@5 106 m.present = present;
nuclear@4 107 }
nuclear@4 108 return &m;
nuclear@4 109 }
nuclear@6 110
nuclear@6 111 #else /* no libovr */
nuclear@6 112
nuclear@6 113 static int init(void)
nuclear@6 114 {
nuclear@6 115 return -1;
nuclear@6 116 }
nuclear@6 117
nuclear@6 118 struct vr_module *vr_module_libovr(void)
nuclear@6 119 {
nuclear@6 120 static struct vr_module m;
nuclear@6 121
nuclear@6 122 if(!m.init) {
nuclear@6 123 m.name = "libovr";
nuclear@6 124 m.init = init;
nuclear@6 125 }
nuclear@6 126 return &m;
nuclear@6 127 }
nuclear@6 128
nuclear@6 129 #endif /* USE_LIBOVR */