1 files changed, 68 insertions, 0 deletions
diff --git a/source/blender/gpu/intern/gpu_init_exit.c b/source/blender/gpu/intern/gpu_init_exit.c
new file mode 100644
index 00000000000..912774cd345
--- /dev/null
+++ b/source/blender/gpu/intern/gpu_init_exit.c
@@ -0,0 +1,68 @@
+/*
+ * ***** 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) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file source/blender/gpu/intern/gpu_init_exit.c
+ *  \ingroup gpu
+ */
+
+#include "BLI_sys_types.h"
+#include "GPU_init_exit.h"  /* interface */
+#include "GPU_extensions.h"  /* library */
+
+#include "intern/gpu_codegen.h"
+#include "intern/gpu_extensions_private.h"
+
+/**
+ * although the order of initialization and shutdown should not matter
+ * (except for the extensions), I chose alphabetical and reverse alphabetical order
+ */
+
+static bool initialized = false;
+
+void GPU_init(void)
+{
+	/* can't avoid calling this multiple times, see wm_window_add_ghostwindow */
+	if (initialized)
+		return;
+
+	initialized = true;
+
+	gpu_extensions_init(); /* must come first */
+
+	gpu_codegen_init();
+}
+
+
+
+void GPU_exit(void)
+{
+	gpu_codegen_exit();
+
+	gpu_extensions_exit(); /* must come last */
+
+	initialized = false;
+}