fix some out-of-bounds error in the OpenCL rigid body pipeline

re-enable an OpenCL/gpu rigid body example (box-box stack)

examples/ExampleBrowser/ExampleEntries.cpp

@@ -28,7 +28,14 @@
 #include "../Experiments/ImplicitCloth/ImplicitClothExample.h"
 #include "../Importers/ImportBullet/SerializeSetup.h"
 #include "../Raycast/RaytestDemo.h"
+
+
+#ifdef B3_USE_CLEW
 #include "../OpenCL/broadphase/PairBench.h"
+#include "../OpenCL/rigidbody/GpuConvexScene.h"
+
+#endif //B3_USE_CLEW
+
 
 
 struct ExampleEntry
@@ -175,7 +182,10 @@ static ExampleEntry gDefaultExamples[]=
 static ExampleEntry gOpenCLExamples[]=
 {
 	ExampleEntry(0,"OpenCL (experimental)"),
+	ExampleEntry(1,"Box-Box", "Full OpenCL implementation of the entire physics and collision detection pipeline, showing box-box rigid body",
+	OpenCLBoxBoxCreateFunc),
 	ExampleEntry(1,"Pair Bench", "Benchmark of overlapping pair search using OpenCL.", PairBenchOpenCLCreateFunc),
+
 };
 #endif //
 static btAlignedObjectArray<ExampleEntry> gAdditionalRegisteredExamples;

examples/ExampleBrowser/OpenGLExampleBrowser.cpp

@@ -69,6 +69,14 @@ static bool pauseSimulation=false;
 int midiBaseIndex = 176;
 extern bool gDisableDeactivation;
 
+///some quick test variable for the OpenCL examples
+
+int gPreferredOpenCLDeviceIndex=-1;
+int gPreferredOpenCLPlatformIndex=-1;
+int gGpuArraySizeX=25;
+int gGpuArraySizeY=25;
+int gGpuArraySizeZ=25;
+
 //#include <float.h>
 //unsigned int fp_control_state = _controlfp(_EM_INEXACT, _MCW_EM);
 

examples/ExampleBrowser/premake4.lua

@@ -59,6 +59,7 @@
 		"../Raycast/*",
 		"../MultiBody/MultiDofDemo.cpp",
 		"../MultiBody/TestJointTorqueSetup.cpp",
+		"../ThirdPartyLibs/stb_image/*",
 		"../ThirdPartyLibs/Wavefront/tiny_obj_loader.*",
 		"../ThirdPartyLibs/tinyxml/*",
 		"../Utils/b3Clock.*",
@@ -92,7 +93,9 @@
 		if (hasCL) then
 			files {
 				"../OpenCL/broadphase/*",
-				"../OpenCL/CommonOpenCL/*"
+				"../OpenCL/CommonOpenCL/*",
+				"../OpenCL/rigidbody/GpuConvexScene.cpp",
+				"../OpenCL/rigidbody/GpuRigidBodyDemo.cpp",
 			}
 		end