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BUG-234706 Fix unstable performance on nvidia systems by always enabling Threaded Optimization via driver application profile (#564)

master
Ansariel Hiller 2023-12-06 18:04:29 +01:00 committed by GitHub
parent b4f6c5e2e8
commit 18919ef585
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1 changed files with 29 additions and 0 deletions
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29
indra/newview/llappviewerwin32.cpp
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@ -369,6 +369,35 @@ void ll_nvapi_init(NvDRSSessionHandle hSession)
nvapi_error(status);
return;
}
// enable Threaded Optimization instead of letting the driver decide
status = NvAPI_DRS_GetSetting(hSession, hProfile, OGL_THREAD_CONTROL_ID, &drsSetting);
if (status == NVAPI_SETTING_NOT_FOUND || (status == NVAPI_OK && drsSetting.u32CurrentValue != OGL_THREAD_CONTROL_ENABLE))
{
drsSetting.version = NVDRS_SETTING_VER;
drsSetting.settingId = OGL_THREAD_CONTROL_ID;
drsSetting.settingType = NVDRS_DWORD_TYPE;
drsSetting.u32CurrentValue = OGL_THREAD_CONTROL_ENABLE;
status = NvAPI_DRS_SetSetting(hSession, hProfile, &drsSetting);
if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
// Now we apply (or save) our changes to the system
status = NvAPI_DRS_SaveSettings(hSession);
if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
}
else if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
}
//#define DEBUGGING_SEH_FILTER 1