From a914c2bcabfd0e9023713be2b4f3b3675da08071 Mon Sep 17 00:00:00 2001
From: gered <gered@blarg.ca>
Date: Sat, 17 Aug 2013 23:49:23 -0400
Subject: [PATCH] add support for selecting an OpenGL context version via the
 SDL configuration object

---
 Blarg.GameFramework.SDL2/SDLApplication.cs   | 2 ++
 Blarg.GameFramework.SDL2/SDLConfiguration.cs | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/Blarg.GameFramework.SDL2/SDLApplication.cs b/Blarg.GameFramework.SDL2/SDLApplication.cs
index 6cb52dd..e058207 100644
--- a/Blarg.GameFramework.SDL2/SDLApplication.cs
+++ b/Blarg.GameFramework.SDL2/SDLApplication.cs
@@ -427,6 +427,8 @@ namespace Blarg.GameFramework
 				throw new InvalidOperationException("Cannot create an OpenGL context without an existing window.");
 
 			// minimum requirements
+			SDL.SDL_GL_SetAttribute(SDL.SDL_GLattr.SDL_GL_CONTEXT_MAJOR_VERSION, config.glMajorVersion);
+			SDL.SDL_GL_SetAttribute(SDL.SDL_GLattr.SDL_GL_CONTEXT_MINOR_VERSION, config.glMinorVersion);
 			SDL.SDL_GL_SetAttribute(SDL.SDL_GLattr.SDL_GL_DOUBLEBUFFER, config.glDoubleBuffer ? 1 : 0);
 			SDL.SDL_GL_SetAttribute(SDL.SDL_GLattr.SDL_GL_DEPTH_SIZE, config.glDepthBufferSize);
 			SDL.SDL_GL_SetAttribute(SDL.SDL_GLattr.SDL_GL_RED_SIZE, config.glRedSize);
diff --git a/Blarg.GameFramework.SDL2/SDLConfiguration.cs b/Blarg.GameFramework.SDL2/SDLConfiguration.cs
index 412dac5..5c1f787 100644
--- a/Blarg.GameFramework.SDL2/SDLConfiguration.cs
+++ b/Blarg.GameFramework.SDL2/SDLConfiguration.cs
@@ -10,6 +10,8 @@ namespace Blarg.GameFramework
 		public bool Fullscreen;
 		public bool Resizeable;
 
+		public int glMajorVersion;
+		public int glMinorVersion;
 		public bool glDoubleBuffer;
 		public int glDepthBufferSize;
 		public int glRedSize;
@@ -24,6 +26,8 @@ namespace Blarg.GameFramework
 			Height = 480;
 			Fullscreen = false;
 			Resizeable = false;
+			glMajorVersion = 2;
+			glMinorVersion = 1;
 			glDoubleBuffer = true;
 			glDepthBufferSize = 24;
 			glRedSize = 8;