1 files changed, 78 insertions, 0 deletions
diff --git a/intern/ghost/GHOST_IContext.h b/intern/ghost/GHOST_IContext.h
new file mode 100644
index 00000000000..5b027a614ab
--- /dev/null
+++ b/intern/ghost/GHOST_IContext.h
@@ -0,0 +1,78 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/GHOST_IContext.h
+ *  \ingroup GHOST
+ * Declaration of GHOST_IContext interface class.
+ */
+
+#ifndef __GHOST_IContext_H__
+#define __GHOST_IContext_H__
+
+#include "STR_String.h"
+#include "GHOST_Types.h"
+
+
+/**
+ * Interface for GHOST context.
+ *
+ * You can create a offscreen context (windowless) with the system's
+ * GHOST_ISystem::createOffscreenContext method.
+ * \see GHOST_ISystem#createOffscreenContext
+ *
+ * \author  Clément Foucault
+ * \date    Feb 9, 2018
+ */
+class GHOST_IContext
+{
+public:
+	/**
+	 * Destructor.
+	 */
+	virtual ~GHOST_IContext()
+	{
+	}
+
+	/**
+	 * Activates the drawing context.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess activateDrawingContext() = 0;
+
+	/**
+	 * Release the drawing context of the calling thread.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess releaseDrawingContext() = 0;
+
+#ifdef WITH_CXX_GUARDEDALLOC
+	MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_IContext")
+#endif
+};
+
+#endif // __GHOST_IContext_H__
+