require opencl 2.0

README.md

@@ -7,6 +7,7 @@ The author of the example video (which is also used for the demos videos in this
 
 # Hardware requirements
 * Support for cl_khr_gl_sharing and cl_intel_va_api_media_sharing OpenCL extensions.
+* Support for OpenCL 2.0
 * If you are on a recent Intel Platform (Gen8 - Gen12) you probably need to install an alternative [compute-runtime](https://github.com/kallaballa/compute-runtime)
 
 There are currently three demos (**the preview videos are scaled down and highly compressed**):

src/nanovg/nanovg-demo.cpp

@@ -1,5 +1,4 @@
-#define HAVE_OPENCL 1
-#define CL_TARGET_OPENCL_VERSION 300
+#define CL_TARGET_OPENCL_VERSION 200
 
 constexpr unsigned long WIDTH = 1920;
 constexpr unsigned long HEIGHT = 1080;

src/tetra/tetra-demo.cpp

@@ -1,4 +1,4 @@
-#define CL_TARGET_OPENCL_VERSION 300
+#define CL_TARGET_OPENCL_VERSION 200
 
 constexpr long unsigned int WIDTH = 1920;
 constexpr long unsigned int HEIGHT = 1080;

src/video/video-demo.cpp

@@ -1,4 +1,4 @@
-#define CL_TARGET_OPENCL_VERSION 300
+#define CL_TARGET_OPENCL_VERSION 200
 
 //WIDTH and HEIGHT have to be specified before including subsystems.hpp
 constexpr long unsigned int WIDTH = 1920;