added OpenCL cloth demo, contributed by AMD.

updated GpuSoftBodySolvers
updated DirectCompute cloth demo

src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/MiniCL/CMakeLists.txt

@@ -0,0 +1,75 @@
+
+INCLUDE_DIRECTORIES(
+${BULLET_PHYSICS_SOURCE_DIR}/src
+)
+
+ADD_DEFINITIONS(-DUSE_MINICL)
+
+
+
+
+SET(BulletSoftBodyOpenCLSolvers_SRCS
+	../btSoftBodySolver_OpenCL.cpp
+)
+
+SET(BulletSoftBodyOpenCLSolvers_HDRS
+	../btSoftBodySolver_OpenCL.h
+	../../CPU/btSoftBodySolverData.h
+	../btSoftBodySolverVertexData_OpenCL.h
+	../btSoftBodySolverTriangleData_OpenCL.h
+	../btSoftBodySolverLinkData_OpenCL.h
+	../btSoftBodySolverBuffer_OpenCL.h
+)
+
+# OpenCL and HLSL Shaders.
+# Build rules generated to stringify these into headers
+# which are needed by some of the sources
+SET(BulletSoftBodyOpenCLSolvers_Shaders
+#	OutputToVertexArray
+	UpdateNormals
+	Integrate
+	UpdatePositions
+	UpdateNodes
+	SolvePositions
+	UpdatePositionsFromVelocities
+	ApplyForces
+	PrepareLinks
+	VSolveLinks
+)
+
+foreach(f ${BulletSoftBodyOpenCLSolvers_Shaders})
+    LIST(APPEND BulletSoftBodyOpenCLSolvers_OpenCLC "../OpenCLC10/${f}.cl")
+endforeach(f) 
+
+
+
+ADD_LIBRARY(BulletSoftBodySolvers_OpenCL_Mini
+	${BulletSoftBodyOpenCLSolvers_SRCS} 
+	${BulletSoftBodyOpenCLSolvers_HDRS} 
+	${BulletSoftBodyOpenCLSolvers_OpenCLC}
+)
+
+SET_TARGET_PROPERTIES(BulletSoftBodySolvers_OpenCL_Mini PROPERTIES VERSION ${BULLET_VERSION})
+SET_TARGET_PROPERTIES(BulletSoftBodySolvers_OpenCL_Mini PROPERTIES SOVERSION ${BULLET_VERSION})
+IF (BUILD_SHARED_LIBS)
+	TARGET_LINK_LIBRARIES(BulletSoftBody BulletDynamics)
+ENDIF (BUILD_SHARED_LIBS)
+
+
+IF (INSTALL_LIBS)
+	IF (NOT INTERNAL_CREATE_DISTRIBUTABLE_MSVC_PROJECTFILES)
+		IF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 2.5)
+			IF (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
+				INSTALL(TARGETS BulletSoftBodySolvers_OpenCL_Mini DESTINATION .)
+			ELSE (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
+			INSTALL(TARGETS BulletSoftBodySolvers_OpenCL_Mini DESTINATION lib${LIB_SUFFIX})
+				INSTALL(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} DESTINATION include FILES_MATCHING PATTERN "*.h")
+			ENDIF (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
+		ENDIF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 2.5)
+
+		IF (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
+			SET_TARGET_PROPERTIES(BulletSoftBodySolvers_OpenCL_Mini PROPERTIES FRAMEWORK true)
+			SET_TARGET_PROPERTIES(BulletSoftBodySolvers_OpenCL_Mini PROPERTIES PUBLIC_HEADER "${BulletSoftBodyOpenCLSolvers_HDRS}")
+		ENDIF (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
+	ENDIF (NOT INTERNAL_CREATE_DISTRIBUTABLE_MSVC_PROJECTFILES)
+ENDIF (INSTALL_LIBS)

src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/MiniCL/MiniCLTaskWrap.cpp

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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2007 Erwin Coumans  http://bulletphysics.com
+
+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.
+*/
+
+#include <MiniCL/cl_MiniCL_Defs.h>
+
+#define MSTRINGIFY(A) A
+#include "../OpenCLC10/ApplyForces.cl"
+#include "../OpenCLC10/Integrate.cl"
+#include "../OpenCLC10/PrepareLinks.cl"
+#include "../OpenCLC10/SolvePositions.cl"
+#include "../OpenCLC10/UpdateNodes.cl"
+#include "../OpenCLC10/UpdateNormals.cl"
+#include "../OpenCLC10/UpdatePositions.cl"
+#include "../OpenCLC10/UpdatePositionsFromVelocities.cl"
+//#include "../OpenCLC10/VSolveLinks.cl"
+
+MINICL_REGISTER(PrepareLinksKernel)
+MINICL_REGISTER(UpdatePositionsFromVelocitiesKernel)
+MINICL_REGISTER(SolvePositionsFromLinksKernel)
+MINICL_REGISTER(updateVelocitiesFromPositionsWithVelocitiesKernel)
+MINICL_REGISTER(updateVelocitiesFromPositionsWithoutVelocitiesKernel)
+MINICL_REGISTER(IntegrateKernel)
+MINICL_REGISTER(ApplyForcesKernel)
+MINICL_REGISTER(ResetNormalsAndAreasKernel)
+MINICL_REGISTER(NormalizeNormalsAndAreasKernel)
+MINICL_REGISTER(UpdateSoftBodiesKernel)
+
+