void test_highlevel_open_close_device()
{
ohmd_context* ctx = ohmd_ctx_create();
TAssert(ctx);
// Probe for devices
int num_devices = ohmd_ctx_probe(ctx);
TAssert(num_devices > 0);
// Open dummy device (num_devices - 1)
ohmd_device* hmd = ohmd_list_open_device(ctx, num_devices - 1);
TAssert(hmd);
// Close the device
int ret = ohmd_close_device(hmd);
TAssert(ret == 0);
ohmd_ctx_destroy(ctx);
}
void hmd_init()
{
hres = video.device_w;
vres = video.device_h;
/* Start up OpenHMD. */
if ((ctx = ohmd_ctx_create()))
{
if (ohmd_ctx_probe(ctx) > 0)
{
if ((dev = ohmd_list_open_device(ctx, 0)))
{
/* Create the off-screen frame buffers. */
ohmd_device_geti(dev, OHMD_SCREEN_HORIZONTAL_RESOLUTION, &hres);
ohmd_device_geti(dev, OHMD_SCREEN_VERTICAL_RESOLUTION, &vres);
}
}
}
hmd_common_init(hres, vres);
}
void test_highlevel_open_close_many_devices()
{
ohmd_context* ctx = ohmd_ctx_create();
TAssert(ctx);
// Probe for devices
int num_devices = ohmd_ctx_probe(ctx);
TAssert(num_devices > 0);
ohmd_device* hmds[16];
for(int i = 0; i < 8; i++){
// Open dummy device (num_devices - 1)
hmds[i] = ohmd_list_open_device(ctx, num_devices - 1);
TAssert(hmds[i]);
}
for(int i = 4; i < 8; i++){
// Close the device
int ret = ohmd_close_device(hmds[i]);
TAssert(ret == 0);
}
for(int i = 4; i < 16; i++){
// Open dummy device (num_devices - 1)
hmds[i] = ohmd_list_open_device(ctx, num_devices - 1);
TAssert(hmds[i]);
}
for(int i = 0; i < 16; i++){
// Close the device
int ret = ohmd_close_device(hmds[i]);
TAssert(ret == 0);
}
ohmd_ctx_destroy(ctx);
}
void Context::init()
{
gHMDCTX = ohmd_ctx_create();
int num_devices = ohmd_ctx_probe(gHMDCTX);
if(num_devices < 0){
printf("failed to probe devices: %s\n", ohmd_ctx_get_error(gHMDCTX));
exit(-1);
}
if( num_devices==0 )
{
printf( "no HMD present!, goodbye!\n");
exit(-1);
}
printf( "num_devices<%d>\n", num_devices );
for( int i=0; i<num_devices; i++ )
{
auto vendor = GetDevString(i,OHMD_VENDOR);
auto product = GetDevString(i,OHMD_PRODUCT);
auto path = GetDevString(i,OHMD_PATH);
printf("hmd<%d> vendor<%s>\n", i, vendor.c_str() );
printf("hmd<%d> product<%s>\n", i, product.c_str() );
printf("hmd<%d> path<%s>\n", i, path.c_str() );
}
static const int khmddevno = 0;
auto vendor = GetDevString(khmddevno,OHMD_VENDOR);
auto product = GetDevString(khmddevno,OHMD_PRODUCT);
auto path = GetDevString(khmddevno,OHMD_PATH);
printf("hmd vendor<%s>\n", vendor.c_str() );
printf("hmd product<%s>\n", product.c_str() );
printf("hmd path<%s>\n", path.c_str() );
gHMDDEV = ohmd_list_open_device(gHMDCTX, khmddevno);
if(!gHMDDEV){
printf("failed to open device: %s\n", ohmd_ctx_get_error(gHMDCTX));
exit(-1);
}
Resolution res = GetResolution();
DistortionK dk = GetDistortionK();
float lens_sep = GetFloat(OHMD_LENS_HORIZONTAL_SEPARATION);
float lens_vctr = GetFloat(OHMD_LENS_VERTICAL_POSITION);
float fov_l = GetFloat(OHMD_LEFT_EYE_FOV);
float fov_r = GetFloat(OHMD_RIGHT_EYE_FOV);
float asp_l = GetFloat(OHMD_LEFT_EYE_ASPECT_RATIO);
float asp_r = GetFloat(OHMD_RIGHT_EYE_ASPECT_RATIO);
printf("hmd resolution<%d %d>\n", res.x, res.y );
printf("hmd lens separation<%f>\n", lens_sep );
printf("hmd lens vcenter<%f>\n", lens_vctr );
printf("hmd left FOV<%f>\n", fov_l );
printf("hmd left ASPECT<%f>\n", asp_l );
printf("hmd right FOV<%f>\n", fov_r );
printf("hmd right ASPECT<%f>\n", asp_r );
const auto&k = dk.k;
printf("hmd distortion K<%f %f %f %f %f %f>\n", k[0], k[1], k[2], k[3], k[4], k[5] );
ohmd_device_getf(gHMDDEV, OHMD_EYE_IPD, &gIPD);
gIPD = 0.043f;
printf( "IPD<%f>\n", gIPD );
}
int main(int argc, char** argv)
{
float fval; int ival;
(void)argc; (void)argv;
ohmd_context* ctx = ohmd_ctx_create();
int num_devices = ohmd_ctx_probe(ctx);
if(num_devices < 0){
printf("failed to probe devices: %s\n", ohmd_ctx_get_error(ctx));
return -1;
}
printf("num devices: %d\n", num_devices);
for(int i = 0; i < num_devices; i++){
printf("vendor: %s\n", ohmd_list_gets(ctx, i, OHMD_VENDOR));
printf("product: %s\n", ohmd_list_gets(ctx, i, OHMD_PRODUCT));
printf("path: %s\n", ohmd_list_gets(ctx, i, OHMD_PATH));
}
ohmd_device* hmd = ohmd_list_open_device(ctx, 0);
ohmd_device_geti(hmd, OHMD_SCREEN_HORIZONTAL_RESOLUTION, &ival);
printf("hres: %i\n", ival);
ohmd_device_geti(hmd, OHMD_SCREEN_VERTICAL_RESOLUTION, &ival);
printf("vres: %i\n", ival);
ohmd_device_getf(hmd, OHMD_SCREEN_HORIZONTAL_SIZE, &fval);
printf("hsize: %f\n", fval);
ohmd_device_getf(hmd, OHMD_SCREEN_VERTICAL_SIZE, &fval);
printf("vsize: %f\n", fval);
ohmd_device_getf(hmd, OHMD_LENS_HORIZONTAL_SEPERATION, &fval);
printf("lens seperation: %f\n", fval);
ohmd_device_getf(hmd, OHMD_LENS_VERTICAL_POSITION, &fval);
printf("lens vcenter: %f\n", fval);
ohmd_device_getf(hmd, OHMD_LEFT_EYE_FOV, &fval);
printf("fov: %f\n", fval);
ohmd_device_getf(hmd, OHMD_LEFT_EYE_ASPECT_RATIO, &fval);
printf("aspect: %f\n", fval);
if(!hmd){
printf("failed to open device: %s\n", ohmd_ctx_get_error(ctx));
return -1;
}
for(int i = 0; i < 10000; i++){
float q[4];
ohmd_ctx_update(ctx);
ohmd_device_getf(hmd, OHMD_ROTATION_QUAT, q);
printf("quat: % 4.4f, % 4.4f, % 4.4f, % 4.4f\n", q[0], q[1], q[2], q[3]);
ohmd_sleep(.01);
}
ohmd_ctx_destroy(ctx);
return 0;
}
