From a42cde0837598afee01ea0cc6df6d1027e194362 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Sun, 11 May 2014 09:17:18 +0200
Subject: [PATCH] - removed #include of glxew.h because it's not used. -
 removed some unused functions from gl_interface.cpp which were causing
 problems when compiling on Linux.

---
 src/gl/system/gl_interface.cpp | 37 ----------------------------------
 src/gl/system/gl_system.h      |  2 +-
 2 files changed, 1 insertion(+), 38 deletions(-)

diff --git a/src/gl/system/gl_interface.cpp b/src/gl/system/gl_interface.cpp
index 2d311f0bb..214702566 100644
--- a/src/gl/system/gl_interface.cpp
+++ b/src/gl/system/gl_interface.cpp
@@ -46,29 +46,12 @@
 #include "gl/system/gl_interface.h"
 #include "gl/system/gl_cvars.h"
 
-#if defined (__unix__) || defined (__APPLE__)
-#define PROC void*
-#define LPCSTR const char*
-
-#include <SDL.h>
-#define wglGetProcAddress(x) (*SDL_GL_GetProcAddress)(x)
-#endif
-static void APIENTRY glBlendEquationDummy (GLenum mode);
-
-
 static TArray<FString>  m_Extensions;
 
 RenderContext gl;
 
 int occlusion_type=0;
 
-PROC myGetProcAddress(LPCSTR proc)
-{
-	PROC p = wglGetProcAddress(proc);
-	if (p == NULL) I_Error("Fatal: GL function '%s' not found.", proc);
-	return p;
-}
-
 
 //==========================================================================
 //
@@ -235,26 +218,6 @@ void gl_PrintStartupLog()
 //
 //==========================================================================
 
-static void APIENTRY glBlendEquationDummy (GLenum mode)
-{
-	// If this is not supported all non-existent modes are
-	// made to draw nothing.
-	if (mode == GL_FUNC_ADD)
-	{
-		glColorMask(true, true, true, true);
-	}
-	else
-	{
-		glColorMask(false, false, false, false);
-	}
-}
-
-//==========================================================================
-//
-// 
-//
-//==========================================================================
-
 void gl_SetTextureMode(int type)
 {
 	static float white[] = {1.f,1.f,1.f,1.f};
diff --git a/src/gl/system/gl_system.h b/src/gl/system/gl_system.h
index cb98d572e..8140904a2 100644
--- a/src/gl/system/gl_system.h
+++ b/src/gl/system/gl_system.h
@@ -72,7 +72,7 @@
 #if defined(__APPLE__)
 	#include <OpenGL/OpenGL.h>
 #elif defined(__unix__)
-	#include <GL/glxew.h>
+	//#include <GL/glxew.h>
 #else // !__APPLE__ && !__unix__
 	#define DWORD WINDOWS_DWORD	// I don't want to depend on this throughout the GL code!
 	#include <GL/wglew.h>