Update environment variable to CUDA_PATH (was NVSDKCOMPUTE_ROOT) and fix a few bugs that prevented the NVIDIA OpenCLClothDemo to run properly.

CMakeLists.txt

@@ -136,14 +136,14 @@ IF(MSVC)
 		OPTION(BUILD_AMD_OPENCL_DEMOS "Build OpenCL demos for AMD (GPU or CPU)"	OFF)
 	ENDIF()
 	
-	FIND_PATH(NVIDIA_OPENCL_BASE_DIR OpenCL/common/inc/CL/cl.h PATH  $ENV{NVSDKCOMPUTE_ROOT} )
+	FIND_PATH(NVIDIA_OPENCL_BASE_DIR include/CL/cl.h PATH  $ENV{CUDA_PATH} )
 	IF(NVIDIA_OPENCL_BASE_DIR)
-		SET(NVIDIA_OPENCL_INCLUDES ${NVIDIA_OPENCL_BASE_DIR}/OpenCL/common/inc )
+		SET(NVIDIA_OPENCL_INCLUDES ${NVIDIA_OPENCL_BASE_DIR}/include )
 		MESSAGE(${NVIDIA_OPENCL_INCLUDES})
 		IF (CMAKE_CL_64)
-			SET(CMAKE_NVSDKCOMPUTE_LIBPATH		${NVIDIA_OPENCL_BASE_DIR}/OpenCL/common/lib/x64 )
+			SET(CMAKE_NVSDKCOMPUTE_LIBPATH		${NVIDIA_OPENCL_BASE_DIR}/lib/x64 )
 		ELSE(CMAKE_CL_64)
-			SET(CMAKE_NVSDKCOMPUTE_LIBPATH		${NVIDIA_OPENCL_BASE_DIR}/OpenCL/common/lib/Win32	)
+			SET(CMAKE_NVSDKCOMPUTE_LIBPATH		${NVIDIA_OPENCL_BASE_DIR}/lib/Win32	)
 		ENDIF(CMAKE_CL_64)
 	SET(NVIDIA_OPENCL_LIBRARIES		${CMAKE_NVSDKCOMPUTE_LIBPATH}/OpenCL.lib)
 	

Demos/OpenCLClothDemo/NVidia/CMakeLists.txt

@@ -1,5 +1,8 @@
 
 
+ADD_DEFINITIONS(-DUSE_NVIDIA_OPENCL)
+ADD_DEFINITIONS(-DCL_PLATFORM_NVIDIA)
+
 INCLUDE_DIRECTORIES(
 ${BULLET_PHYSICS_SOURCE_DIR}/src 
 ${BULLET_PHYSICS_SOURCE_DIR}/Demos/SharedOpenCL

Demos/ParticlesOpenCL/NVidia/CMakeLists.txt

@@ -1,5 +1,9 @@
 
 
+ADD_DEFINITIONS(-DUSE_NVIDIA_OPENCL)
+ADD_DEFINITIONS(-DCL_PLATFORM_NVIDIA)
+
+
 INCLUDE_DIRECTORIES(
 ${BULLET_PHYSICS_SOURCE_DIR}/src 
 ${BULLET_PHYSICS_SOURCE_DIR}/Demos/SharedOpenCL

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

@@ -1,4 +1,7 @@
 
+ADD_DEFINITIONS(-DUSE_NVIDIA_OPENCL)
+ADD_DEFINITIONS(-DCL_PLATFORM_NVIDIA)
+
 INCLUDE_DIRECTORIES(
 	${BULLET_PHYSICS_SOURCE_DIR}/src
 	${NVIDIA_OPENCL_INCLUDES}

src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/OpenCLC/OutputToVertexArray.cl

@@ -1,17 +1,4 @@
-/*
+MSTRINGIFY(
-Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
-
-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.
-*/
 
 cbuffer OutputToVertexArrayCB : register( b0 )
 {
@@ -55,3 +42,5 @@ OutputToVertexArrayKernel( uint3 Gid : SV_GroupID, uint3 DTid : SV_DispatchThrea
 		g_vertexBuffer[normalDestination+2] = nodeN.z;		
 	}
 }
+
+);

src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/btSoftBodySolver_OpenCLSIMDAware.cpp

@@ -524,8 +524,8 @@ bool btOpenCLSoftBodySolverSIMDAware::buildShaders()
 	
 	m_updatePositionsFromVelocitiesKernel = m_clFunctions.compileCLKernelFromString( UpdatePositionsFromVelocitiesCLString, "UpdatePositionsFromVelocitiesKernel", "" );
 	m_solvePositionsFromLinksKernel = m_clFunctions.compileCLKernelFromString( SolvePositionsCLString, "SolvePositionsFromLinksKernel", wavefrontMacros );
-	m_updateVelocitiesFromPositionsWithVelocitiesKernel = m_clFunctions.compileCLKernelFromString( UpdateNodesCLString, "m_updateVelocitiesFromPositionsWithVelocitiesKernel", "" );
+	m_updateVelocitiesFromPositionsWithVelocitiesKernel = m_clFunctions.compileCLKernelFromString( UpdateNodesCLString, "updateVelocitiesFromPositionsWithVelocitiesKernel", "" );
-	m_updateVelocitiesFromPositionsWithoutVelocitiesKernel = m_clFunctions.compileCLKernelFromString( UpdatePositionsCLString, "m_updateVelocitiesFromPositionsWithoutVelocitiesKernel", "" );
+	m_updateVelocitiesFromPositionsWithoutVelocitiesKernel = m_clFunctions.compileCLKernelFromString( UpdatePositionsCLString, "updateVelocitiesFromPositionsWithoutVelocitiesKernel", "" );
 	m_integrateKernel = m_clFunctions.compileCLKernelFromString( IntegrateCLString, "IntegrateKernel", "" );
 	m_applyForcesKernel = m_clFunctions.compileCLKernelFromString( ApplyForcesCLString, "ApplyForcesKernel", "" );
 	m_solveCollisionsAndUpdateVelocitiesKernel = m_clFunctions.compileCLKernelFromString( SolveCollisionsAndUpdateVelocitiesCLString, "SolveCollisionsAndUpdateVelocitiesKernel", "" );

src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/btSoftBodySolver_OpenCLSIMDAware.h

@@ -37,7 +37,6 @@ protected:
 	btSoftBodyLinkDataOpenCLSIMDAware m_linkData;
 
 
-	bool m_shadersInitialized;
 
 
 	bool buildShaders();