OClCollMeshEngn: implement start/stop/setup/finalize

stimBuffApis/livoxGen1/openClCollatingAndMeshingEngine.h

@@ -1,11 +1,14 @@
 #ifndef _LIVOX_GEN1_OPENCL_COLLATING_AND_MESHING_ENGINE_H
 #define _LIVOX_GEN1_OPENCL_COLLATING_AND_MESHING_ENGINE_H
 
+#include <boostAsioLinkageFix.h>
 #include <cstdint>
 #include <cstddef>
 #include <memory>
+#include <functional>
 #define CL_TARGET_OPENCL_VERSION 300
 #include <CL/cl.h>
+#include "stagingBuffer.h"
 
 namespace smo {
 namespace stim_buff {
@@ -31,6 +34,14 @@ public:
 	bool setup();
 	void finalize();
 
+	// Callback function type for collateFrameReq
+	typedef std::function<void()> collateFrameReqCbFn;
+
+	void start(
+		StagingBuffer& assemblyBuff, StagingBuffer& collationBuff,
+		collateFrameReqCbFn callback);
+	void stop();
+
 private:
 	PcloudStimulusBuffer& parent;
 
@@ -44,9 +55,26 @@ private:
 	bool isSetup;
 
 	// OpenCL buffers
-	cl_mem assemblyBuffer;
-	cl_mem xyzBuffer;
-	cl_mem intensityBuffer;
+	cl_mem clAssemblyBuffer;
+	cl_mem clCollationBuffer;
+
+	// State tracking
+	bool isRunning;
+	cl_event currentKernelEvent;
+	bool memoryPinned;
+
+	// Memory pinning tracking
+	void* assemblyBufferPtr;
+	size_t assemblyBufferSize;
+	void* collationBufferPtr;
+	size_t collationBufferSize;
+
+	// Callback storage
+	collateFrameReqCbFn collateFrameReqCb;
+
+	// Static callback for OpenCL event
+	static void CL_CALLBACK kernelEventCallback(
+		cl_event event, cl_int event_command_exec_status, void* user_data);
 };
 
 } // namespace stim_buff