Differential D643 Diff 2142 source/blender/gpu/intern/gpu_init_exit.c

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source/blender/gpu/intern/gpu_init_exit.c

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				/*
				* *** 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
				*/

				/* my interface */
				#include "GPU_init_exit.h"

				/* intern */
				#include "intern/gpu_codegen.h"

				/* my library */
				#include "GPU_extensions.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;
				}