2 files changed, 76 insertions, 0 deletions
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index b02068a0..b84cdd66 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -282,6 +282,7 @@ set (utests_sources
   runtime_use_host_ptr_buffer.cpp
   runtime_alloc_host_ptr_buffer.cpp
   runtime_use_host_ptr_image.cpp
+  runtime_use_host_ptr_large_image.cpp
   compiler_get_max_sub_group_size.cpp
   compiler_get_sub_group_local_id.cpp
   compiler_sub_group_shuffle.cpp
diff --git a/utests/runtime_use_host_ptr_large_image.cpp b/utests/runtime_use_host_ptr_large_image.cpp
new file mode 100644
index 00000000..c8200b36
--- /dev/null
+++ b/utests/runtime_use_host_ptr_large_image.cpp
@@ -0,0 +1,75 @@
+#include "utest_helper.hpp"
+#include <string.h>
+
+static void runtime_use_host_ptr_large_image(void)
+{
+  const size_t w = 4096;
+  const size_t h = 4096;
+
+  cl_image_format format;
+  cl_image_desc desc;
+
+  memset(&desc, 0x0, sizeof(cl_image_desc));
+  memset(&format, 0x0, sizeof(cl_image_format));
+
+  format.image_channel_order = CL_RGBA;
+  format.image_channel_data_type = CL_UNSIGNED_INT32;
+  desc.image_type = CL_MEM_OBJECT_IMAGE2D;
+  desc.image_width = w;
+  desc.image_height = h;
+
+  size_t alignment = 4096;  //page size
+  if (cl_check_beignet())
+    alignment = 64;     //cacheline size, beignet has loose limitaiont to enable userptr
+
+  //src image
+  int ret = posix_memalign(&buf_data[0], alignment, sizeof(uint32_t) * w * h * 4);
+  OCL_ASSERT(ret == 0);
+  for (size_t i = 0; i < w*h*4; ++i)
+    ((uint32_t*)buf_data[0])[i] = i;
+
+  OCL_CREATE_IMAGE(buf[0], CL_MEM_USE_HOST_PTR, &format, &desc, buf_data[0]);
+
+  //dst image
+  ret = posix_memalign(&buf_data[1], alignment, sizeof(uint32_t) * w * h * 4);
+  OCL_ASSERT(ret == 0);
+  for (size_t i = 0; i < w*h*4; ++i)
+    ((uint32_t*)buf_data[1])[i] = 0;
+
+  OCL_CREATE_IMAGE(buf[1], CL_MEM_USE_HOST_PTR, &format, &desc, buf_data[1]);
+
+  OCL_CREATE_KERNEL("runtime_use_host_ptr_image");
+
+  // Run the kernel
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  globals[0] = w;
+  globals[1] = h;
+  locals[0] = 16;
+  locals[1] = 16;
+  OCL_NDRANGE(2);
+
+  // Check result
+  size_t origin[3];
+  origin[0] = 0;
+  origin[1] = 0;
+  origin[2] = 0;
+  size_t region[3];
+  region[0] = w;
+  region[1] = h;
+  region[2] = 1;
+  size_t pitch = 0;
+  void* mapptr = (int*)clEnqueueMapImage(queue, buf[1], CL_TRUE, CL_MAP_READ, origin, region, &pitch, NULL, 0, NULL, NULL, NULL);
+  OCL_ASSERT(mapptr == buf_data[1]);
+  for (uint32_t i = 0; i < w*h*4; ++i) {
+    OCL_ASSERT(((uint32_t*)buf_data[0])[i] == ((uint32_t*)buf_data[1])[i]);
+  }
+  clEnqueueUnmapMemObject(queue, buf[1], mapptr, 0, NULL, NULL);
+
+  free(buf_data[0]);
+  buf_data[0] = NULL;
+  free(buf_data[1]);
+  buf_data[1] = NULL;
+}
+
+MAKE_UTEST_FROM_FUNCTION(runtime_use_host_ptr_large_image);