Win32: Add warning when option will have no effect

The GPU driver only looks in the executable for the symbol requesting
the high-performance GPU, so enabling them when buidling GLFW as a DLL
will have no effect.
This commit is contained in:
Camilla Löwy 2021-03-15 00:48:05 +01:00
parent 17ae300d96
commit 52ba8c7f07

View File

@ -39,6 +39,10 @@ static const GUID _glfw_GUID_DEVINTERFACE_HID =
#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG)
#if defined(_GLFW_BUILD_DLL)
#warning "These symbols must be exported by the executable and have no effect in a DLL"
#endif
// Executables (but not DLLs) exporting this symbol with this value will be
// automatically directed to the high-performance GPU on Nvidia Optimus systems
// with up-to-date drivers