From 6a830fbfd3812136a1fa2b901038f44923b250f6 Mon Sep 17 00:00:00 2001
From: kiritow <1362050620@qq.com>
Date: Sat, 1 Jul 2017 17:25:48 +0800
Subject: [PATCH] Add OpenGL Support

---
 MiniEngine_OpenGL.cpp | 39 +++++++++++++++++++++++++++++++++++++++
 MiniEngine_OpenGL.h   | 30 ++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100644 MiniEngine_OpenGL.cpp
 create mode 100644 MiniEngine_OpenGL.h

diff --git a/MiniEngine_OpenGL.cpp b/MiniEngine_OpenGL.cpp
new file mode 100644
index 0000000..98888c3
--- /dev/null
+++ b/MiniEngine_OpenGL.cpp
@@ -0,0 +1,39 @@
+#include "MiniEngine_OpenGL.h"
+
+namespace MiniEngine
+{
+
+namespace OpenGL
+{
+
+//private
+void GLContext::_clear()
+{
+    _sp.reset();
+}
+//private
+void GLContext::_set(SDL_GLContext Context)
+{
+    _sp.reset(Context,SDL_GL_DeleteContext);
+}
+//private
+SDL_GLContext GLContext::_get() const
+{
+    return _sp.get();
+}
+
+GLContext::GLContext(Window& wnd) throw (ErrorViewer)
+{
+    SDL_GLContext context=SDL_GL_CreateContext(_internal::Plugin::get(wnd));
+    if(!context)
+    {
+        ErrorViewer e;
+        e.fetch();
+        throw e;
+    }
+    _set(context);
+}
+
+}/// End of namespace MiniEngine::OpenGL
+
+}/// End of namespace MiniEngine
diff --git a/MiniEngine_OpenGL.h b/MiniEngine_OpenGL.h
new file mode 100644
index 0000000..0a9c851
--- /dev/null
+++ b/MiniEngine_OpenGL.h
@@ -0,0 +1,30 @@
+#pragma once
+#include "MiniEngine_Config.h"
+#include "GL/glew.h"
+#include <SDL2/SDL_opengl.h>
+#include <memory>
+#include "SDLWrapper/Window.h"
+
+namespace MiniEngine
+{
+
+namespace OpenGL
+{
+
+class GLContext
+{
+public:
+    GLContext(Window& wnd) throw (ErrorViewer);
+private:
+    void _clear();
+    void _set(SDL_GLContext);
+    SDL_GLContext _get() const;
+
+    /// SDL_GLContext is void*
+    std::shared_ptr<void> _sp;
+};
+
+
+}/// End of namespace MiniEngine::OpenGL
+
+}/// End of namespace MiniEngine