From 68ef93bd9a0636fce447f0628836c7d5a5a02f8e Mon Sep 17 00:00:00 2001
From: Light <VerodiciaTheNatureGoddess@gmail.com>
Date: Sat, 7 Aug 2021 16:39:42 +0430
Subject: [PATCH] Force use Dedicated Graphics

- Windows builds now use dedicated graphics
---
 Engine/src/Platform/OS/Windows/wWindow.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Engine/src/Platform/OS/Windows/wWindow.cpp b/Engine/src/Platform/OS/Windows/wWindow.cpp
index 3e54f2c..3f2c553 100644
--- a/Engine/src/Platform/OS/Windows/wWindow.cpp
+++ b/Engine/src/Platform/OS/Windows/wWindow.cpp
@@ -12,6 +12,13 @@
 
 #include <GLFW/glfw3.h>
 
+extern "C"
+{
+	// Force Machine to use Dedicated Graphics
+	__declspec(dllexport) unsigned long NvOptimusEnablement = 0x00000001; // NVidia
+	__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;   // AMD
+}
+
 namespace Light {
 
 	Scope<Window> Window::Create(std::function<void(Event&)> callback)
@@ -40,7 +47,7 @@ namespace Light {
 		BindGlfwEvents();
 
 		// create graphics context
-		m_GraphicsContext = GraphicsContext::Create(GraphicsAPI::DirectX, m_Handle);
+		m_GraphicsContext = GraphicsContext::Create(GraphicsAPI::OpenGL, m_Handle);
 		LT_ENGINE_ASSERT(m_GraphicsContext, "wWindow::wWindow: failed to create 'GraphicsContext'");
 	}