Suggest NVIDIA Optimus to use the high-end GPU.

diff --git a/src/Main/main.cxx b/src/Main/main.cxx
index ea94dd4cd23db361edc95f350e75362a5810f540..77893a0131806af629bd3ced69c862959917be5c 100644 (file)
--- a/src/Main/main.cxx
+++ b/src/Main/main.cxx
@@ -273,6 +273,12 @@ static void ATIScreenSizeHack()
     globals->get_renderer()->addCamera(hackCam, false);
 }
 
+// Propose NVIDIA Optimus to use high-end GPU
+#if defined(SG_WINDOWS)
+extern "C" {
+    _declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+}
+#endif
 
 static void logToFile()
 {