[Beignet] [PATCH 2/2] test function "mad_sat"

[Homer Hsing]

Signed-off-by: Homer Hsing <homer.xing at intel.com>
---
 kernels/builtin_mad_sat.cl |  4 ++++
 utests/CMakeLists.txt      |  1 +
 utests/builtin_mad_sat.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 kernels/builtin_mad_sat.cl
 create mode 100644 utests/builtin_mad_sat.cpp

diff --git a/kernels/builtin_mad_sat.cl b/kernels/builtin_mad_sat.cl
new file mode 100644
index 0000000..1739a4d
--- /dev/null
+++ b/kernels/builtin_mad_sat.cl
@@ -0,0 +1,4 @@
+kernel void builtin_mad_sat(global short *src1, global short *src2, global short *src3, global short *dst) {
+  short i = get_global_id(0);
+  dst[i] = mad_sat(src1[i], src2[i], src3[i]);
+}
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index 2e18b2c..1cdbd24 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -101,6 +101,7 @@ set (utests_sources
   compiler_cl_finish.cpp
   get_cl_info.cpp
   builtin_bitselect.cpp
+  builtin_mad_sat.cpp
   buildin_work_dim.cpp
   builtin_global_size.cpp
   runtime_createcontext.cpp
diff --git a/utests/builtin_mad_sat.cpp b/utests/builtin_mad_sat.cpp
new file mode 100644
index 0000000..ed9a558
--- /dev/null
+++ b/utests/builtin_mad_sat.cpp
@@ -0,0 +1,44 @@
+#include "utest_helper.hpp"
+
+void builtin_mad_sat(void)
+{
+  const int n = 32;
+  short src1[n], src2[n], src3[n];
+srand(0);
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("builtin_mad_sat");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(short), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(short), NULL);
+  OCL_CREATE_BUFFER(buf[2], 0, n * sizeof(short), NULL);
+  OCL_CREATE_BUFFER(buf[3], 0, n * sizeof(short), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  OCL_SET_ARG(2, sizeof(cl_mem), &buf[2]);
+  OCL_SET_ARG(3, sizeof(cl_mem), &buf[3]);
+  globals[0] = n;
+  locals[0] = 16;
+
+  OCL_MAP_BUFFER(0);
+  OCL_MAP_BUFFER(1);
+  OCL_MAP_BUFFER(2);
+  for (int i = 0; i < n; ++i) {
+    src1[i] = ((short*)buf_data[0])[i] = rand();
+    src2[i] = ((short*)buf_data[1])[i] = rand();
+    src3[i] = ((short*)buf_data[2])[i] = rand();
+  }
+  OCL_UNMAP_BUFFER(0);
+  OCL_UNMAP_BUFFER(1);
+  OCL_UNMAP_BUFFER(2);
+
+  OCL_NDRANGE(1);
+
+  OCL_MAP_BUFFER(3);
+  for (int i = 0; i < n; ++i) {
+    int a = (int)src1[i] * (int)src2[i] + (int)src3[i];
+    a = a > 0x7FFF ? 0x7FFF : (a < -0x8000 ? -0x8000 : a);
+    OCL_ASSERT(((short*)buf_data[3])[i] == (short)a);
+  }
+  OCL_UNMAP_BUFFER(3);
+}
+
+MAKE_UTEST_FROM_FUNCTION(builtin_mad_sat);
-- 
1.8.1.2