added sample task, for multi threading tests

added union vec_float4 m_Vec128; for btVector3 for SPU and PPU.

Extras/BulletMultiThreaded/SpuSampleTask/SpuSampleTask.h

@@ -0,0 +1,53 @@
+/*
+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 SPU_SAMPLE_TASK_H
+#define SPU_SAMPLE_TASK_H
+
+#include "../PlatformDefinitions.h"
+#include "LinearMath/btScalar.h"
+#include "LinearMath/btVector3.h"
+#include "LinearMath/btMatrix3x3.h"
+
+#include "LinearMath/btAlignedAllocator.h"
+
+
+enum
+{
+	CMD_SAMPLE_INTEGRATE_BODIES = 1
+};
+
+
+
+ATTRIBUTE_ALIGNED16(struct) SpuSampleTaskDesc
+{
+	BT_DECLARE_ALIGNED_ALLOCATOR();
+
+	uint32_t						m_sampleCommand;
+	uint32_t						m_taskId;
+
+	uint64_t 	m_mainMemoryPtr;
+	int			m_sampleValue;
+	
+
+};
+
+
+void	processSampleTask(void* userPtr, void* lsMemory);
+void*	createSampleLocalStoreMemory();
+
+
+#endif //SPU_SAMPLE_TASK_H
+