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Check nullptr in _nvapi_disable_threaded_optimization to prevent crash

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This commit is contained in:
jsjtxietian 2023-11-20 19:31:14 +08:00
parent 80de898d72
commit a3f44cd67e
1 changed files with 6 additions and 2 deletions
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8
platform/windows/gl_manager_windows_native.cpp
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@ -104,8 +104,8 @@ static bool nvapi_err_check(const char *msg, int status) {
}
// On windows we have to disable threaded optimization when using NVIDIA graphics cards
// to avoid stuttering, see https://github.com/microsoft/vscode-cpptools/issues/6592
// also see https://github.com/Ryujinx/Ryujinx/blob/master/Ryujinx.Common/GraphicsDriver/NVThreadedOptimization.cs
// to avoid stuttering, see see https://stackoverflow.com/questions/36959508/nvidia-graphics-driver-causing-noticeable-frame-stuttering/37632948
// also see https://github.com/Ryujinx/Ryujinx/blob/master/src/Ryujinx.Common/GraphicsDriver/NVThreadedOptimization.cs
void GLManagerNative_Windows::_nvapi_disable_threaded_optimization() {
HMODULE nvapi = 0;
#ifdef _WIN64
@ -149,6 +149,10 @@ void GLManagerNative_Windows::_nvapi_disable_threaded_optimization() {
NvDRSSessionHandle session_handle;
if (NvAPI_DRS_CreateSession == nullptr) {
return;
}
if (!nvapi_err_check("NVAPI: Error creating DRS session", NvAPI_DRS_CreateSession(&session_handle))) {
NvAPI_Unload();
return;