From 8ce8c38b24c77203a0a5e6734db62944a2875fc0 Mon Sep 17 00:00:00 2001
From: Vadim Lopatin <coolreader.org@gmail.com>
Date: Sat, 19 Dec 2015 08:37:30 +0300
Subject: [PATCH] sdl legacy opengl api

---
 src/dlangui/platforms/sdl/sdlapp.d | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/dlangui/platforms/sdl/sdlapp.d b/src/dlangui/platforms/sdl/sdlapp.d
index 9bb13e9e..32a0cfb1 100644
--- a/src/dlangui/platforms/sdl/sdlapp.d
+++ b/src/dlangui/platforms/sdl/sdlapp.d
@@ -41,6 +41,7 @@ import dlangui.platforms.common.platform;
 
 import derelict.sdl2.sdl;
 import derelict.opengl3.gl3;
+import derelict.opengl3.gl;
 
 static if (ENABLE_OPENGL) {
     import dlangui.graphics.gldrawbuf;
@@ -1321,6 +1322,8 @@ int sdlmain(string[] args) {
         try {
 			DerelictGL3.missingSymbolCallback = &gl3MissingSymFunc;
             DerelictGL3.load();
+            DerelictGL.missingSymbolCallback = &gl3MissingSymFunc;
+            DerelictGL.load();
             _enableOpengl = true;
         } catch (Exception e) {
             Log.e("Cannot load opengl library", e);