1 files changed, 60 insertions, 0 deletions
diff --git a/get_global_id_2d.c b/get_global_id_2d.c
new file mode 100644
index 0000000..ae940e7
--- /dev/null
+++ b/get_global_id_2d.c
@@ -0,0 +1,60 @@
+#include <assert.h>
+#include <stdio.h>
+
+#include <CL/cl.h>
+
+#include "util.h"
+
+
+int main (int argc, char ** argv)
+{
+   unsigned i,j;
+   cl_int error;
+
+   cl_mem out_buffer;
+   int out_data[10][10];
+   size_t global_work_size[2] = {10, 10};
+
+   struct clu_context context;
+
+   cluSimpleInit(&context, "global_id2d");
+
+   /* XXX: Delete this to see a missing error path */
+   out_buffer = clCreateBuffer(context.cl_ctx,
+                               CL_MEM_WRITE_ONLY,
+                               sizeof(out_data),
+                               NULL, &error);
+
+   assert(error == CL_SUCCESS);
+
+   if (!cluKernelSetArg(context.kernel, 0, sizeof(cl_mem), &out_buffer)) {
+      return EXIT_FAILURE;
+   }
+
+   error = clEnqueueNDRangeKernel(context.command_queue,
+                                  context.kernel,
+                                  2, /* dimensions */
+                                  NULL,
+                                  global_work_size,
+                                  global_work_size,
+                                  0, NULL, NULL);
+
+   assert(error == CL_SUCCESS);
+
+   error = clEnqueueReadBuffer(context.command_queue,
+                               out_buffer,
+                               CL_TRUE,
+                               0,
+                               sizeof(out_data),
+                               out_data,
+                               0, NULL, NULL);
+
+   assert(error == CL_SUCCESS);
+
+   for (i = 0; i < 10; i++) {
+      for (j = 0; j < 10; j++) {
+         fprintf(stderr, "%2u ", out_data[i][j]);
+      }
+      fprintf(stderr, "\n");
+   }
+}