Index: ps/trunk/binaries/data/config/default.cfg
===================================================================
--- ps/trunk/binaries/data/config/default.cfg
+++ ps/trunk/binaries/data/config/default.cfg
@@ -53,6 +53,12 @@
 ; Preferred display (for multidisplay setups, only works with SDL 2.0)
 display = 0
 
+; Allows to force GL version for SDL
+forceglversion = false
+forceglprofile = "compatibility" ; Possible values: compatibility, core, es
+forceglmajorversion = 3
+forceglminorversion = 3
+
 ; Emulate right-click with Ctrl+Click on Mac mice
 macmouse = false
 
Index: ps/trunk/source/ps/VideoMode.cpp
===================================================================
--- ps/trunk/source/ps/VideoMode.cpp
+++ ps/trunk/source/ps/VideoMode.cpp
@@ -30,6 +30,7 @@
 #include "ps/CConsole.h"
 #include "ps/CLogger.h"
 #include "ps/ConfigDB.h"
+#include "ps/CStr.h"
 #include "ps/Filesystem.h"
 #include "ps/Game.h"
 #include "ps/Pyrogenesis.h"
@@ -223,6 +224,37 @@
 	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
 #endif
 
+	bool forceGLVersion = false;
+	CFG_GET_VAL("forceglversion", forceGLVersion);
+	if (forceGLVersion)
+	{
+		CStr forceGLProfile = "compatibility";
+		int forceGLMajorVersion = 3;
+		int forceGLMinorVersion = 0;
+		CFG_GET_VAL("forceglprofile", forceGLProfile);
+		CFG_GET_VAL("forceglmajorversion", forceGLMajorVersion);
+		CFG_GET_VAL("forceglminorversion", forceGLMinorVersion);
+
+		int profile = SDL_GL_CONTEXT_PROFILE_COMPATIBILITY;
+		if (forceGLProfile == "es")
+			profile = SDL_GL_CONTEXT_PROFILE_ES;
+		else if (forceGLProfile == "core")
+			profile = SDL_GL_CONTEXT_PROFILE_CORE;
+		else if (forceGLProfile != "compatibility")
+			LOGWARNING("Unknown force GL profile '%s', compatibility profile is used", forceGLProfile.c_str());
+
+		if (forceGLMajorVersion < 1 || forceGLMinorVersion < 0)
+		{
+			LOGERROR("Unsupported force GL version: %d.%d", forceGLMajorVersion, forceGLMinorVersion);
+		}
+		else
+		{
+			SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile);
+			SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, forceGLMajorVersion);
+			SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, forceGLMinorVersion);
+		}
+	}
+
 	if (!SetVideoMode(w, h, bpp, m_ConfigFullscreen))
 	{
 		// Fall back to a smaller depth buffer