static void GetGraphicsDriverInfo(str::Str<char>& s)
{
// the info is in registry in:
// HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0000\
// Device Description REG_SZ (same as DriverDesc, so we don't read it)
// DriverDesc REG_SZ
// DriverVersion REG_SZ
// UserModeDriverName REG_MULTI_SZ
//
// There can be more than one driver, they are in 0000, 0001 etc.
for (int i=0; ; i++)
{
ScopedMem<WCHAR> key(str::Format(GFX_DRIVER_KEY_FMT, i));
ScopedMem<WCHAR> v1(ReadRegStr(HKEY_LOCAL_MACHINE, key, L"DriverDesc"));
// I assume that if I can't read the value, there are no more drivers
if (!v1)
break;
ScopedMem<char> v1a(str::conv::ToUtf8(v1));
s.AppendFmt("Graphics driver %d\r\n", i);
s.AppendFmt(" DriverDesc: %s\r\n", v1.Get());
v1.Set(ReadRegStr(HKEY_LOCAL_MACHINE, key, L"DriverVersion"));
if (v1) {
v1a.Set(str::conv::ToUtf8(v1));
s.AppendFmt(" DriverVersion: %s\r\n", v1a.Get());
}
v1.Set(ReadRegStr(HKEY_LOCAL_MACHINE, key, L"UserModeDriverName"));
if (v1) {
v1a.Set(str::conv::ToUtf8(v1));
s.AppendFmt(" UserModeDriverName: %s\r\n", v1a.Get());
}
}
}
/*!
* \brief LAArmadillo::substract
* Substract v2 from v1
* \param result
* \param v1
* \param v2
*/
void LAArmadillo::substract(OiVec &result, const OiVec &v1, const OiVec &v2){
int vecSize = v1.getSize();
arma::vec v1a(vecSize), v2a(vecSize);
this->oiVec2Arma(v1a, v1);
this->oiVec2Arma(v2a, v2);
this->arma2OiVec(result, (v1a - v2a));
}
