From bea484e12f98f67eafafeb8db6d3181020fdfb46 Mon Sep 17 00:00:00 2001
From: Ryan Houdek <Sonicadvance1@Gmail.com>
Date: Sat, 18 Jan 2014 14:10:24 +0000
Subject: [PATCH] Move Win32 specific function grabbing fallback to WGL.cpp.
 Fixes issue 6964.

---
 Source/Core/DolphinWX/GLInterface/WGL.cpp          | 10 +++++++++-
 .../OGL/GLExtensions/GLExtensions.cpp              | 14 +-------------
 2 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/Source/Core/DolphinWX/GLInterface/WGL.cpp b/Source/Core/DolphinWX/GLInterface/WGL.cpp
index 8bc9e7a73a..afc67da431 100644
--- a/Source/Core/DolphinWX/GLInterface/WGL.cpp
+++ b/Source/Core/DolphinWX/GLInterface/WGL.cpp
@@ -13,6 +13,7 @@
 #include "EmuWindow.h"
 static HDC hDC = NULL;       // Private GDI Device Context
 static HGLRC hRC = NULL;     // Permanent Rendering Context
+static HINSTANCE dllHandle = NULL; // Handle to OpenGL32.dll 
 
 // typedef from wglext.h
 typedef BOOL(WINAPI * PFNWGLSWAPINTERVALEXTPROC) (int interval);
@@ -32,7 +33,10 @@ void cInterfaceWGL::Swap()
 
 void* cInterfaceWGL::GetProcAddress(std::string name)
 {
-	return (void*)wglGetProcAddress((LPCSTR)name.c_str());
+	void* func = (void*)wglGetProcAddress((LPCSTR)name.c_str());
+	if (func == NULL)
+		func = (void*)GetProcAddress(dllHandle, (LPCSTR)name.c_str());
+	return func; 
 }
 
 // Draw messages on top of the screen
@@ -69,6 +73,10 @@ bool cInterfaceWGL::Create(void *&window_handle)
 	s_backbuffer_width = _twidth;
 	s_backbuffer_height = _theight;
 
+#ifdef _WIN32
+	dllHandle = LoadLibrary(TEXT("OpenGL32.dll"));
+#endif
+
 	window_handle = (void*)EmuWindow::Create((HWND)window_handle, GetModuleHandle(0), _T("Please wait..."));
 	if (window_handle == NULL)
 	{
diff --git a/Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp b/Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp
index 68803eb3a8..d8c7a416e5 100644
--- a/Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp
+++ b/Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp
@@ -8,9 +8,6 @@
 #if defined(__linux__) || defined(__APPLE__)
 #include <dlfcn.h>
 #endif
-#ifdef _WIN32
-#include <windows.h>
-#endif
 #include <unordered_map>
 
 // gl_1_1
@@ -779,9 +776,6 @@ namespace GLExtensions
 	bool _isES3;
 	bool _isES;
 	u32 _GLVersion;
-#ifdef _WIN32
-	HINSTANCE dllHandle = NULL;  
-#endif
 	std::unordered_map<std::string, bool> _extensionlist;
 	// Forward declared init functions
 	bool init_gl_1_1();
@@ -954,10 +948,6 @@ namespace GLExtensions
 #if defined(__linux__) || defined(__APPLE__)
 			// Give it a second try with dlsym
 			*func = dlsym(RTLD_NEXT, name.c_str());
-#endif
-#ifdef _WIN32
-			if (*func == NULL)
-				*func = (void*)GetProcAddress(dllHandle, (LPCSTR)name.c_str());
 #endif
 			if (*func == NULL && _isES)
 				*func = (void*)0xFFFFFFFF; // Easy to determine invalid function, just so we continue on
@@ -979,9 +969,7 @@ namespace GLExtensions
 		bool success = true;
 		_isES3 = GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGLES3;
 		_isES = GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGLES3 || GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGLES2;
-#ifdef _WIN32
-		dllHandle = LoadLibrary(TEXT("OpenGL32.dll"));
-#endif
+
 		// Grab glGetStringi and glGetIntegerv immediately
 		// We need them to grab the extension list
 		// If it fails then the user's drivers don't support GL 3.0