GBE: Implement new constant solution for ocl2

Different from ocl 1.2, which gather all constant into one surface.
ocl2 only gather program global/constant into one surface. But
keep other constant passed through kernel argument in separate buffer.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>
Reviewed-by: Yang Rong <rong.r.yang@intel.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/utests/compiler_program_global.cpp b/utests/compiler_program_global.cpp
new file mode 100644
index 00000000..ef7c655b
--- /dev/null
+++ b/utests/compiler_program_global.cpp
@@ -0,0 +1,80 @@
+#include "utest_helper.hpp"
+#include "utest_file_map.hpp"
+
+static int init_program(const char* name, cl_context ctx, cl_program *pg )
+{
+  cl_int err;
+  char* ker_path = cl_do_kiss_path(name, device);
+
+  cl_file_map_t *fm = cl_file_map_new();
+  err = cl_file_map_open(fm, ker_path);
+  if(err != CL_FILE_MAP_SUCCESS)
+    OCL_ASSERT(0);
+  const char *src = cl_file_map_begin(fm);
+
+  *pg = clCreateProgramWithSource(ctx, 1, &src, NULL, &err);
+  free(ker_path);
+  cl_file_map_delete(fm);
+  return 0;
+
+}
+
+void compiler_program_global()
+{
+  const int n = 16;
+  int cpu_src[16];
+  cl_int err;
+
+  // Setup kernel and buffers
+  cl_program program;
+  init_program("compiler_program_global.cl", ctx, &program);
+  OCL_CALL (clBuildProgram, program, 1, &device, "-cl-std=CL2.0", NULL, NULL);
+
+  cl_kernel k0 = clCreateKernel(program, "compiler_program_global0", &err);
+  assert(err == CL_SUCCESS);
+  cl_kernel k1 = clCreateKernel(program, "compiler_program_global1", &err);
+  assert(err == CL_SUCCESS);
+
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(int), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(int), NULL);
+
+  OCL_CALL (clSetKernelArg, k0, 0, sizeof(cl_mem), &buf[0]);
+  OCL_CALL (clSetKernelArg, k1, 0, sizeof(cl_mem), &buf[1]);
+
+  int dynamic = 1;
+  OCL_CALL (clSetKernelArg, k0, 1, sizeof(cl_int), &dynamic);
+  OCL_CALL (clSetKernelArg, k1, 1, sizeof(cl_int), &dynamic);
+
+  globals[0] = 16;
+  locals[0] = 16;
+
+  OCL_MAP_BUFFER(0);
+  for (int i = 0; i <  n; ++i)
+    cpu_src[i] = ((int*)buf_data[0])[i] = i;
+  OCL_UNMAP_BUFFER(0);
+
+  // Run the kernel on GPU
+  OCL_CALL (clEnqueueNDRangeKernel, queue, k0, 1, NULL, globals, locals, 0, NULL, NULL);
+  OCL_CALL (clEnqueueNDRangeKernel, queue, k1, 1, NULL, globals, locals, 0, NULL, NULL);
+
+  // Compare
+  OCL_MAP_BUFFER(1);
+  for (int32_t i = 0; i < n; ++i) {
+//    printf("i=%d dst=%d\n", i, ((int*)buf_data[1])[i]);
+    switch(i) {
+      default: OCL_ASSERT(((int*)buf_data[1])[i] == i); break;
+      case 11: OCL_ASSERT(((int*)buf_data[1])[i] == 7); break;
+      case 12: OCL_ASSERT(((int*)buf_data[1])[i] == 4); break;
+      case 13: OCL_ASSERT(((int*)buf_data[1])[i] == 2); break;
+      case 14: OCL_ASSERT(((int*)buf_data[1])[i] == 3); break;
+      case 15: OCL_ASSERT(((int*)buf_data[1])[i] == 2); break;
+    }
+  }
+  OCL_UNMAP_BUFFER(1);
+  clReleaseKernel(k0);
+  clReleaseKernel(k1);
+  clReleaseProgram(program);
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_program_global);
+