added OpenCL cloth demo, contributed by AMD.

updated GpuSoftBodySolvers
updated DirectCompute cloth demo

Demos/OpenCLClothDemo/Apple/CMakeLists.txt

@@ -0,0 +1,60 @@
+
+
+INCLUDE_DIRECTORIES(
+${BULLET_PHYSICS_SOURCE_DIR}/src 
+${BULLET_PHYSICS_SOURCE_DIR}/Demos/SharedOpenCL
+${BULLET_PHYSICS_SOURCE_DIR}/Demos/OpenGL
+)
+
+
+IF (APPLE)
+  FIND_LIBRARY(OPENCL_LIBRARY OpenCL DOC "OpenCL lib for OSX")
+  FIND_PATH(OPENCL_INCLUDE_DIR OpenCL/cl.h DOC "Include for OpenCL on OSX")
+ENDIF (APPLE)
+
+
+IF (USE_GLUT)
+	LINK_LIBRARIES(
+		OpenGLSupport 
+		BulletSoftBodySolvers_OpenCL_Apple
+		BulletSoftBodySolvers_CPU
+		BulletMultiThreaded
+		BulletSoftBody
+		BulletDynamics  
+		BulletCollision  
+		LinearMath
+		${OPENCL_LIBRARY}
+		${GLUT_glut_LIBRARY} 
+		${OPENGL_gl_LIBRARY} 
+		${OPENGL_glu_LIBRARY}
+		${CMAK_GLEW_LIBRARY}
+	)
+
+
+	ADD_EXECUTABLE(AppOpenCLClothDemo_Apple
+		../cl_cloth_demo.cpp
+		${BULLET_PHYSICS_SOURCE_DIR}/Demos/SharedOpenCL/btOclUtils.h
+		${BULLET_PHYSICS_SOURCE_DIR}/Demos/SharedOpenCL/btOclCommon.h
+		${BULLET_PHYSICS_SOURCE_DIR}/Demos/SharedOpenCL/btOclUtils.cpp
+		${BULLET_PHYSICS_SOURCE_DIR}/Demos/SharedOpenCL/btOclCommon.cpp
+		../gl_win.cpp
+		../clstuff.cpp
+		../bmpLoader.cpp
+		../bmpLoader.h
+		../clstuff.h
+		../gl_win.h
+
+	)
+ELSE (USE_GLUT)
+ENDIF (USE_GLUT)
+
+
+ADD_CUSTOM_COMMAND(	TARGET AppOpenCLClothDemo_Apple	POST_BUILD
+			COMMAND ${CMAKE_COMMAND} ARGS -E copy_if_different ${BULLET_PHYSICS_SOURCE_DIR}/Demos/OpenCLClothDemo/amdFlag.bmp ${CMAKE_CURRENT_BINARY_DIR}
+			COMMAND ${CMAKE_COMMAND} ARGS -E copy_if_different ${BULLET_PHYSICS_SOURCE_DIR}/Demos/OpenCLClothDemo/atiFlag.bmp ${CMAKE_CURRENT_BINARY_DIR}
+			)
+
+IF (UNIX)
+  TARGET_LINK_LIBRARIES(AppOpenCLClothDemo_Apple pthread)
+ENDIF(UNIX)
+