CalDevice* CalDevice::createDevice(int num)
{
if (!CalInitObject::check()) return 0;
CalDevice* pDev = new CalDevice(num);
if(calDeviceOpen(&pDev->mDevice, num) != CAL_RESULT_OK) {
/* Opening device failed */
delete pDev;
pDev = NULL;
return pDev;
}
if (calCtxCreate( &pDev->mCtx, pDev->mDevice ) != CAL_RESULT_OK) {
delete pDev;
pDev = NULL;
return pDev;
}
pDev->mHasContext = true;
/* Retrieve info and attribs of the opened device */
calDeviceGetInfo(&pDev->mInfo, num);
pDev->mAttribs.struct_size = sizeof(CALdeviceattribs);
if (calDeviceGetAttribs(&pDev->mAttribs, num)!= CAL_RESULT_OK) {
fprintf(stderr, "ERROR: Could not query device attributes.\n");
}
return pDev;
}
static CALresult mwGetDevice(MWCALInfo* ci, CALuint devID)
{
CALresult err;
err = calDeviceGetCount(&ci->numDevices);
if (err != CAL_RESULT_OK)
{
cal_warn("Failed to get CAL device count", err);
return err;
}
if (ci->numDevices == 0)
{
warn("Didn't find any CAL devices\n");
return CAL_RESULT_ERROR;
}
if (devID + 1 > ci->numDevices)
{
warn("Requested device ID %u > found number of devices (%u)\n",
devID, ci->numDevices);
return CAL_RESULT_ERROR;
}
ci->devID = devID;
err = calDeviceOpen(&ci->dev, ci->devID);
if (err != CAL_RESULT_OK)
{
cal_warn("Failed to open CAL device", err);
return err;
}
err = calDeviceGetInfo(&ci->devInfo, ci->devID);
if (err != CAL_RESULT_OK)
{
cal_warn("Failed to get CAL device information", err);
return err;
}
ci->devAttribs.struct_size = sizeof(struct CALdeviceattribsRec);
err = calDeviceGetAttribs(&ci->devAttribs, ci->devID);
if (err != CAL_RESULT_OK)
{
cal_warn("Failed to get CAL device attributes", err);
return err;
}
return CAL_RESULT_OK;
}
