From b4d11e2eb5680a8f31d8207ac1c7ec23ff271e06 Mon Sep 17 00:00:00 2001
From: Sam Gateau <sam@highfidelity.io>
Date: Tue, 31 Mar 2015 15:18:59 -0700
Subject: [PATCH] Add the needed global variable exported to enable the nvidia
 gpu on optimus platform (laptops with intel integrated) also log the opengl
 version and gpu and driver used

---
 interface/src/Application.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index eb427737e1..83e26719db 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -136,6 +136,13 @@
 #include "ui/StandAloneJSConsole.h"
 #include "ui/Stats.h"
 
+// ON WIndows PC, NVidia Optimus laptop, we want to enable NVIDIA GPU
+#if defined(Q_OS_WIN)
+extern "C" {
+ _declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+}
+#endif
+
 using namespace std;
 
 //  Starfield information
@@ -646,6 +653,11 @@ void Application::initializeGL() {
     }
     #endif
 
+    qDebug() << "GL Version: " << QString((const char*) glGetString(GL_VERSION));
+    qDebug() << "GL Shader Language Version: " << QString((const char*) glGetString(GL_SHADING_LANGUAGE_VERSION));
+    qDebug() << "GL Vendor: " << QString((const char*) glGetString(GL_VENDOR));
+    qDebug() << "GL Renderer: " << QString((const char*) glGetString(GL_RENDERER));
+
     #ifdef WIN32
     GLenum err = glewInit();
     if (GLEW_OK != err) {