CMake:LivoxGen1: Require OpenCL 1.2+, printf & WRITE_INVALIDATE_REGION

stimBuffApis/livoxGen1/CMakeLists.txt

@@ -9,8 +9,8 @@ if(ENABLE_STIMBUFFAPI_livoxGen1)
 	# Find liburing using pkg-config
 	pkg_check_modules(URING REQUIRED liburing)
 
-	# Find OpenCL: try find_package first, fall back to pkg-config
-	find_package(OpenCL QUIET)
+	# Find OpenCL 1.2 or higher: try find_package first, fall back to pkg-config
+	find_package(OpenCL 1.2 QUIET)
 	if(OpenCL_FOUND)
 		# Normalize find_package variables to match pkg_check_modules naming
 		set(OPENCL_FOUND TRUE)
@@ -23,6 +23,19 @@ if(ENABLE_STIMBUFFAPI_livoxGen1)
 		endif()
 		set(OPENCL_LIBRARY_DIRS "")
 		message(STATUS "Found OpenCL using find_package")
+		
+		# Check if version is available and validate
+		if(OpenCL_VERSION)
+			if(OpenCL_VERSION VERSION_LESS "1.2")
+				message(FATAL_ERROR
+					"OpenCL version ${OpenCL_VERSION} found, but 1.2 or higher is required")
+			endif()
+			message(STATUS "OpenCL version: ${OpenCL_VERSION}")
+		else()
+			message(WARNING
+				"OpenCL version could not be determined. "
+				"Version 1.2+ is required at runtime.")
+		endif()
 	else()
 		# Fall back to pkg-config
 		pkg_check_modules(OPENCL OpenCL)
@@ -35,6 +48,9 @@ if(ENABLE_STIMBUFFAPI_livoxGen1)
 			)
 		endif()
 		message(STATUS "Found OpenCL using pkg-config")
+		message(WARNING
+			"OpenCL version could not be determined via pkg-config. "
+			"Version 1.2+ is required at runtime.")
 	endif()
 
 	# Enable assembly language