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| author | Ansariel Hiller <Ansariel@users.noreply.github.com> | 2023-12-06 18:04:29 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-12-06 11:04:29 -0600 |
| commit | 18919ef585082becd984eb4d90310cd317babfc9 (patch) | |
| tree | 068c5c88dce2dfdcdcec643661a195e386ac3ff1 | |
| parent | b4f6c5e2e8a9b29bc5ae9ed60df35321befaf834 (diff) | |
BUG-234706 Fix unstable performance on nvidia systems by always enabling Threaded Optimization via driver application profile (#564)
| -rw-r--r-- | indra/newview/llappviewerwin32.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/indra/newview/llappviewerwin32.cpp b/indra/newview/llappviewerwin32.cpp index 8cf80f388b..41101e79a6 100644 --- a/indra/newview/llappviewerwin32.cpp +++ b/indra/newview/llappviewerwin32.cpp @@ -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 |