Description: Fix SDL2 initialistion
 SDL_GL_* should only  be called after the window created.
 Also, SDL_GL_MakeCurrent seems necessary.
Author: Tobias Frost <tobi@debian.org>
Forwarded: https://github.com/RobertBeckeba06/RBDOOM-3-BFG/issues/205
Forwarded: https://github.com/RobertBeckebans/RBDOOM-3-BFG/pull/251
Last-Update: 2014-12-06
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/neo/sys/sdl/sdl_glimp.cpp
+++ b/neo/sys/sdl/sdl_glimp.cpp
@@ -49,15 +49,7 @@
 idCVar r_waylandcompat( "r_waylandcompat", "0", CVAR_SYSTEM | CVAR_NOCHEAT | CVAR_ARCHIVE, "wayland compatible framebuffer" );
 
 // RB: only relevant if using SDL 2.0
-#if defined(__APPLE__)
-// only core profile is supported on OS X
-idCVar r_useOpenGL32( "r_useOpenGL32", "2", CVAR_INTEGER, "0 = OpenGL 3.x, 1 = OpenGL 3.2 compatibility profile, 2 = OpenGL 3.2 core profile", 0, 2 );
-#elif defined(__linux__)
-// Linux open source drivers suck
-idCVar r_useOpenGL32( "r_useOpenGL32", "0", CVAR_INTEGER, "0 = OpenGL 3.x, 1 = OpenGL 3.2 compatibility profile, 2 = OpenGL 3.2 core profile", 0, 2 );
-#else
-idCVar r_useOpenGL32( "r_useOpenGL32", "1", CVAR_INTEGER, "0 = OpenGL 3.x, 1 = OpenGL 3.2 compatibility profile, 2 = OpenGL 3.2 core profile", 0, 2 );
-#endif
+idCVar r_useOpenGL32( "r_useOpenGL32", "1", CVAR_INTEGER, "0 = OpenGL 2.0, 1 = OpenGL 3.2 compatibility profile, 2 = OpenGL 3.2 core profile", 0, 2 );
 // RB end
 
 static bool grabbed = false;
@@ -195,28 +187,6 @@
 		
 #if SDL_VERSION_ATLEAST(2, 0, 0)
 		
-		// RB begin
-		if( r_useOpenGL32.GetInteger() > 0 )
-		{
-			glConfig.driverType = GLDRV_OPENGL32_COMPATIBILITY_PROFILE;
-			
-			SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 3 );
-			SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 2 );
-			
-			if( r_debugContext.GetBool() )
-			{
-				SDL_GL_SetAttribute( SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG );
-			}
-		}
-		
-		if( r_useOpenGL32.GetInteger() > 1 )
-		{
-			glConfig.driverType = GLDRV_OPENGL32_CORE_PROFILE;
-			
-			SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE );
-		}
-		// RB end
-		
 		// DG: set display num for fullscreen
 		int windowPos = SDL_WINDOWPOS_UNDEFINED;
 		if( parms.fullScreen > 0 )
@@ -246,8 +216,6 @@
 								   parms.width, parms.height, flags );
 		// DG end
 		
-		context = SDL_GL_CreateContext( window );
-		
 		if( !window )
 		{
 			common->DPrintf( "Couldn't set GL mode %d/%d/%d: %s",
@@ -255,6 +223,31 @@
 			continue;
 		}
 		
+		context = SDL_GL_CreateContext( window );
+        SDL_GL_MakeCurrent(window, context);
+
+        // RB begin
+        if( r_useOpenGL32.GetInteger() > 0 )
+        {
+            glConfig.driverType = GLDRV_OPENGL32_COMPATIBILITY_PROFILE;
+
+            SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 3 );
+            SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 2 );
+
+            if( r_debugContext.GetBool() )
+            {
+                SDL_GL_SetAttribute( SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG );
+            }
+        }
+
+        if( r_useOpenGL32.GetInteger() > 1 )
+        {
+            glConfig.driverType = GLDRV_OPENGL32_CORE_PROFILE;
+
+            SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE );
+        }
+        // RB end
+
 		if( SDL_GL_SetSwapInterval( r_swapInterval.GetInteger() ) < 0 )
 			common->Warning( "SDL_GL_SWAP_CONTROL not supported" );