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Properly export the various 'use dGPU' symbols when building with MingW 

This fixes exporting the NvOptimusEnablement export when building with
MingW. This also adds the equivalent for AMD.

This fixes #23400

(cherry picked from commit 19d91f788d)
This commit is contained in:
Hein-Pieter van Braam 2018-11-02 23:10:44 +01:00 committed by Rémi Verschelde
parent 96ed1801aa
commit 3f5d9074e4
1 changed files with 2 additions and 5 deletions
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7
platform/windows/os_windows.cpp
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@ -57,11 +57,8 @@
static const WORD MAX_CONSOLE_LINES = 1500;
extern "C" {
#ifdef _MSC_VER
_declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
#else
__attribute__((visibility("default"))) DWORD NvOptimusEnablement = 0x00000001;
#endif
__declspec(dllexport) DWORD NvOptimusEnablement = 1;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}
// Workaround mingw-w64 < 4.0 bug