OClCollMeshEngn: use the central ComputeMgr APIs

We no longer create our own context and get our own OpenCL device
in OClCollMeshEngn::setup. We now request a device from the central
ComputeManager.

stimBuffApis/livoxGen1/openClCollatingAndMeshingEngine.h

@@ -17,6 +17,8 @@
 #include <user/stimulusFrame.h>
 #include <user/stagingBuffer.h>
 #include <user/frameAssemblyDesc.h>
+#include <user/compute.h>
+#include <user/senseApiDesc.h>
 
 namespace smo {
 namespace stim_buff {
@@ -72,17 +74,17 @@ public:
 private:
 	PcloudStimulusProducer& parent;
 
-	// OpenCL infrastructure
-	cl_platform_id platform;
-	cl_device_id device;
-	cl_context context;
-	cl_command_queue commandQueue;
+	// OpenCL infrastructure (managed by ComputeManager)
+	std::shared_ptr<smo::compute::ComputeDevice> computeDevice;
 	cl_program slotCompactorProgram;
 	cl_program collateProgram;
 	cl_kernel slotCompactorKernel;
 	cl_kernel collateKernel;
 
-	// OpenCL buffers
+	// OpenCL buffers (managed by ComputeManager)
+	std::shared_ptr<smo::compute::ClBuffer> clAssemblyBufferClBuffer;
+	std::shared_ptr<smo::compute::ClBuffer> clCollationBufferClBuffer;
+	// Cached cl_mem handles for the device we're using
 	cl_mem clAssemblyBuffer;
 	cl_mem clCollationBuffer;
 
@@ -174,7 +176,8 @@ private:
 
 		// Enqueue kernel execution
 		cl_int err = clEnqueueNDRangeKernel(
-			commandQueue, kernel, 1, nullptr, &globalWorkSize, nullptr,
+			computeDevice->commandQueue, kernel,
+			1, nullptr, &globalWorkSize, nullptr,
 			0, nullptr, eventPtr);
 
 		if (err != CL_SUCCESS)
@@ -198,7 +201,7 @@ private:
 		}
 
 		// Force queue flush to ensure event processing and callback invocation
-		err = clFlush(commandQueue);
+		err = clFlush(computeDevice->commandQueue);
 		if (err != CL_SUCCESS)
 		{
 			std::cerr << __func__ << ": failed to flush queue: " << err