Remove opencl 2.0 requirement

samples/core/blur/main.c

@@ -1051,18 +1051,6 @@ int main(int argc, char *argv[])
         free(name);
     }
 
-    // 5) query if OpenCL driver version is 2.0
-    bool opencl_version_2_0 = false;
-    {
-        char *driver_version = NULL;
-        OCLERROR_PAR(
-            driver_version = cl_util_get_device_info(s.device, CL_DRIVER_VERSION, &error),
-            error, clean);
-        opencl_version_2_0 = strcmp("2.0", driver_version) ? 0 : 1;
-    clean:
-        free(driver_version);
-    }
-
     /// Create image buffers
     const cl_image_desc desc = { .image_type = CL_MEM_OBJECT_IMAGE2D,
                                  .image_width = s.input_image.width,
@@ -1128,25 +1116,21 @@ int main(int argc, char *argv[])
                          error, prg);
 
         /// Subgroup exchange in dual-pass blur
-        if (use_subgroup_exchange_relative && opencl_version_2_0)
+        if (use_subgroup_exchange_relative)
         {
             printf("Dual-pass subgroup relative exchange blur\n");
 
             kernel_op[0] = '\0';
-            // cl_khr_subgroup_shuffle_relative requires OpenCL 2.0
-            strcat(kernel_op, " -cl-std=CL2.0 ");
             strcat(kernel_op, "-D USE_SUBGROUP_EXCHANGE_RELATIVE ");
             OCLERROR_RET(dual_pass_subgroup_exchange_box_blur(
                              &s, (cl_int)blur_opts.size),
                          error, prg);
         }
-        if (use_subgroup_exchange && opencl_version_2_0)
+        if (use_subgroup_exchange)
         {
             printf("Dual-pass subgroup exchange blur\n");
 
             kernel_op[0] = '\0';
-            // cl_khr_subgroup_shuffle requires OpenCL 2.0
-            strcat(kernel_op, " -cl-std=CL2.0 ");
             strcat(kernel_op, "-D USE_SUBGROUP_EXCHANGE ");
 
             OCLERROR_RET(dual_pass_subgroup_exchange_box_blur(
@@ -1185,26 +1169,22 @@ int main(int argc, char *argv[])
         }
 
         /// Subgroup exchange in dual-pass Gaussian blur
-        if (use_subgroup_exchange_relative && opencl_version_2_0)
+        if (use_subgroup_exchange_relative)
         {
             printf("Dual-pass subgroup relative exchange Gaussian blur\n");
 
             kernel_op[0] = '\0';
-            // cl_khr_subgroup_shuffle_relative requires OpenCL 2.0
-            strcat(kernel_op, " -cl-std=CL2.0 ");
             strcat(kernel_op, "-D USE_SUBGROUP_EXCHANGE_RELATIVE ");
 
             OCLERROR_RET(dual_pass_subgroup_exchange_kernel_blur(&s, gauss_size,
                                                                  gauss_kern),
                          error, gkrn);
         }
-        if (use_subgroup_exchange && opencl_version_2_0)
+        if (use_subgroup_exchange)
         {
             printf("Dual-pass subgroup exchange Gaussian blur\n");
 
             kernel_op[0] = '\0';
-            // cl_khr_subgroup_shuffle requires OpenCL 2.0
-            strcat(kernel_op, " -cl-std=CL2.0 ");
             strcat(kernel_op, "-D USE_SUBGROUP_EXCHANGE ");
 
             OCLERROR_RET(dual_pass_subgroup_exchange_kernel_blur(&s, gauss_size,