Set minimal OpenCL version to 2.1 (#704)

ihhub · Mar 17, 2024 · 7179f42 · 7179f42
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diff --git a/doc/opencl/API_description.md b/doc/opencl/API_description.md
@@ -1,5 +1,7 @@
 # API description
 
+The minimum OpenCL version supported by this library is 2.1.
+
 ## Namespaces
 **penguinV**    
 - ***ImageOpenCL*** - a 8-bit image with default number of colors as 1 (gray-scale image). If the the number of color channels in this description is not implicitly specified then it is a 1 (gray-scale image).    

diff --git a/src/opencl/image_buffer_opencl.h b/src/opencl/image_buffer_opencl.h
@@ -1,6 +1,6 @@
 /***************************************************************************
  *   penguinV: https://github.com/ihhub/penguinV                           *
- *   Copyright (C) 2017 - 2022                                             *
+ *   Copyright (C) 2017 - 2024                                             *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -20,6 +20,8 @@
 
 #pragma once
 
+#define CL_TARGET_OPENCL_VERSION 210
+
 #if defined( __APPLE__ ) || defined( __MACOSX )
 #include <OpenCL/cl.h>
 #else