fixes to make the OpenCL cloth demo run on Apple/GPU

Demos/OpenCLClothDemo/cl_cloth_demo.cpp

@@ -16,7 +16,6 @@ subject to the following restrictions:
 #ifdef _WIN32
 #include <GL/glew.h>
 #endif
-#ifndef __APPLE__
 
 #ifndef USE_MINICL
 #define USE_SIMDAWARE_SOLVER
@@ -25,7 +24,6 @@ subject to the following restrictions:
 #define USE_GPU_COPY //only tested on Windows, may work under Linux
 #endif //_WIN32
 #endif //USE_MINICL
-#endif
 
 
 

Demos/OpenCLClothDemo/clstuff.cpp

@@ -32,24 +32,38 @@ void initCL( void* glCtx, void* glDC )
 	int ciErrNum = 0;
 
 #if defined(CL_PLATFORM_MINI_CL)
-	cl_device_type deviceType = CL_DEVICE_TYPE_CPU;
+	cl_device_type deviceType = CL_DEVICE_TYPE_CPU;//or use CL_DEVICE_TYPE_DEBUG to debug MiniCL
 #elif defined(CL_PLATFORM_AMD)
 	cl_device_type deviceType = CL_DEVICE_TYPE_GPU;
 #elif defined(CL_PLATFORM_NVIDIA)
 	cl_device_type deviceType = CL_DEVICE_TYPE_GPU;
 #else
-	cl_device_type deviceType = CL_DEVICE_TYPE_CPU;
+#ifdef __APPLE__
+	cl_device_type deviceType = CL_DEVICE_TYPE_GPU;
+#else
+	cl_device_type deviceType = CL_DEVICE_TYPE_CPU;//CL_DEVICE_TYPE_ALL
+#endif//__APPLE__
 #endif
 	
-    //g_cxMainContext = btOclCommon::createContextFromType(CL_DEVICE_TYPE_ALL, &ciErrNum);
-	//g_cxMainContext = btOclCommon::createContextFromType(CL_DEVICE_TYPE_GPU, &ciErrNum);
-	//g_cxMainContext = btOclCommon::createContextFromType(CL_DEVICE_TYPE_CPU, &ciErrNum);
-	//try CL_DEVICE_TYPE_DEBUG for sequential, non-threaded execution, when using MiniCL on CPU, it gives a full callstack at the crash in the kernel
-//#ifdef USE_MINICL
-//	g_cxMainContext = btOclCommon::createContextFromType(CL_DEVICE_TYPE_DEBUG, &ciErrNum);
-//#else
 	g_cxMainContext = btOclCommon::createContextFromType(deviceType, &ciErrNum, glCtx, glDC);
-//#endif
+	
+	switch (deviceType)
+	{
+		case CL_DEVICE_TYPE_GPU:
+			printf("createContextFromType(CL_DEVICE_TYPE_GPU)\n");
+			break;
+		case CL_DEVICE_TYPE_CPU:
+			printf("createContextFromType(CL_DEVICE_TYPE_CPU)\n");
+			break;
+		case CL_DEVICE_TYPE_ALL:
+			printf("createContextFromType(CL_DEVICE_TYPE_ALL)\n");
+			break;
+			
+		default:
+			printf("createContextFromType(unknown device type %d\n",deviceType);
+	};	
+
+	//#endif
 
 
 	

Demos/SharedOpenCL/btOclCommon.cpp

@@ -30,7 +30,9 @@ static char* spPlatformVendor =
 #endif
 
 #ifndef CL_PLATFORM_MINI_CL
+#ifdef _WIN32
 #include "CL/cl_gl.h"
+#endif //_WIN32
 #endif
 
 cl_context btOclCommon::createContextFromType(cl_device_type deviceType, cl_int* pErrNum, void* pGLContext, void* pGLDC )
@@ -88,6 +90,7 @@ cl_context btOclCommon::createContextFromType(cl_device_type deviceType, cl_int*
 		0
 	};    
 #ifndef CL_PLATFORM_MINI_CL
+#ifdef _WIN32
 	// If we have a gl context then enable interop
 	if( pGLContext )
 	{
@@ -96,6 +99,7 @@ cl_context btOclCommon::createContextFromType(cl_device_type deviceType, cl_int*
 		cps[4] = CL_WGL_HDC_KHR;
 		cps[5] = (cl_context_properties)pGLDC;
 	}
+#endif
 #endif //CL_PLATFORM_MINI_CL
 
 	/* Use NULL for backward compatibility */    

Demos/SharedOpenCL/btOclCommon.h

@@ -20,7 +20,7 @@ subject to the following restrictions:
 #ifdef USE_MINICL
 	#include <MiniCL/cl.h>
 #else
-	#include <MiniCL/cl.h>
+	#include <OpenCL/cl.h>
 #endif
 #else
 	#ifdef USE_MINICL

src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/btSoftBodySolver_OpenCL.cpp

@@ -1601,7 +1601,7 @@ void btOpenCLSoftBodySolver::processCollision( btSoftBody *softBody, btCollision
 			m_collisionObjectDetails.push_back( newCollisionShapeDescription );
 
 		} else {
-			btAssert("Unsupported collision shape type\n");
+			btAssert(0 && "Unsupported collision shape type\n");
 		}
 	} else {
 		btAssert("Unknown soft body");