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diff --git a/extern/bullet2/BulletMultiThreaded/MiniCLTask/MiniCLTask.h b/extern/bullet2/BulletMultiThreaded/MiniCLTask/MiniCLTask.h
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index 00000000000..7e78be0855e
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+++ b/extern/bullet2/BulletMultiThreaded/MiniCLTask/MiniCLTask.h
@@ -0,0 +1,62 @@
+/*
+Bullet Continuous Collision Detection and Physics Library, Copyright (c) 2007 Erwin Coumans
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose, 
+including commercial applications, and to alter it and redistribute it freely, 
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+
+*/
+
+#ifndef MINICL__TASK_H
+#define MINICL__TASK_H
+
+#include "BulletMultiThreaded/PlatformDefinitions.h"
+#include "LinearMath/btScalar.h"
+
+#include "LinearMath/btAlignedAllocator.h"
+
+
+#define MINICL_MAX_ARGLENGTH (sizeof(void*))
+#define MINI_CL_MAX_ARG 16
+#define MINI_CL_MAX_KERNEL_NAME 256
+
+struct MiniCLKernel;
+
+ATTRIBUTE_ALIGNED16(struct) MiniCLTaskDesc
+{
+	BT_DECLARE_ALIGNED_ALLOCATOR();
+
+	MiniCLTaskDesc()
+	{
+		for (int i=0;i<MINI_CL_MAX_ARG;i++)
+		{
+			m_argSizes[i]=0;
+		}
+	}
+
+	uint32_t		m_taskId;
+
+	uint32_t		m_firstWorkUnit;
+	uint32_t		m_lastWorkUnit;
+
+	MiniCLKernel*	m_kernel;
+
+	void*			m_argData[MINI_CL_MAX_ARG];
+	int				m_argSizes[MINI_CL_MAX_ARG];
+};
+
+extern "C" int gMiniCLNumOutstandingTasks;
+
+
+void	processMiniCLTask(void* userPtr, void* lsMemory);
+void*	createMiniCLLocalStoreMemory();
+
+
+#endif //MINICL__TASK_H
+