[Beignet] [PATCH v4 3/7] Add utest to test writing data into large image (TILE_Y) by map/unmap and USE_HOST_PTR mode.

[yan.wang at linux.intel.com]

From: Yan Wang <yan.wang at linux.intel.com>

Signed-off-by: Yan Wang <yan.wang at linux.intel.com>
---
 utests/runtime_use_host_ptr_large_image.cpp | 115 ++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)

diff --git a/utests/runtime_use_host_ptr_large_image.cpp b/utests/runtime_use_host_ptr_large_image.cpp
index c8200b3..3c77cae 100644
--- a/utests/runtime_use_host_ptr_large_image.cpp
+++ b/utests/runtime_use_host_ptr_large_image.cpp
@@ -73,3 +73,118 @@ static void runtime_use_host_ptr_large_image(void)
 }
 
 MAKE_UTEST_FROM_FUNCTION(runtime_use_host_ptr_large_image);
+
+static void runtime_use_host_ptr_large_image_1(void)
+{
+  cl_int status;
+  const size_t w = 4096;
+  const size_t h = 4096;
+  size_t image_row_pitch, image_slice_pitch;
+  size_t origin[3] = {5, 5, 0};
+  size_t region[3] = {8, 8, 1};
+  uint8_t *p = NULL;
+  uint8_t *q = NULL;
+
+  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]);
+
+  // Use mapping mode to fill data into src image
+  buf_data[1] = clEnqueueMapImage(queue, buf[0], CL_TRUE, CL_MAP_WRITE, origin, region,
+    &image_row_pitch, &image_slice_pitch, 0, NULL, NULL, &status);
+
+  OCL_ASSERT(image_slice_pitch == 0);
+  for (uint32_t j = 0; j < region[1]; ++j)
+    for (uint32_t i = 0; i < region[0]; i++)
+      for (uint32_t k = 0; k < 4; k++)
+        ((uint32_t*)buf_data[1])[(j * w + i) * 4 + k] = rand();
+
+  clEnqueueUnmapMemObject(queue, buf[0], buf_data[1], 0, NULL, NULL);
+
+  // Check src image
+  origin[0] = 0;
+  origin[1] = 0;
+  origin[2] = 0;
+  region[0] = w;
+  region[1] = h;
+  region[2] = 1;
+  buf_data[1] = clEnqueueMapImage(queue, buf[0], CL_TRUE, CL_MAP_READ, origin, region,
+    &image_row_pitch, &image_slice_pitch, 0, NULL, NULL, &status);
+
+  OCL_ASSERT(image_slice_pitch == 0);
+
+  for (uint32_t j = 0; j < h; ++j) {
+    p = ((uint8_t*)buf_data[0]) + j * image_row_pitch;
+    q = ((uint8_t*)buf_data[1]) + j * image_row_pitch;
+    for (uint32_t i = 0; i < w; i++)
+      for (uint32_t k = 0; k < 4; k++)
+        OCL_ASSERT(((uint32_t*)p)[i * 4 + k] == ((uint32_t*)q)[i * 4 + k]);
+  }
+
+  clEnqueueUnmapMemObject(queue, buf[0], buf_data[1], 0, NULL, NULL);
+
+  //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
+  origin[0] = 0;
+  origin[1] = 0;
+  origin[2] = 0;
+  region[0] = w;
+  region[1] = h;
+  region[2] = 1;
+  void* mapptr = (int*)clEnqueueMapImage(queue, buf[1], CL_TRUE, CL_MAP_READ, origin, region,
+    &image_row_pitch, &image_slice_pitch, 0, NULL, NULL, NULL);
+  OCL_ASSERT(mapptr == buf_data[1]);
+  for (uint32_t j = 0; j < h; ++j) {
+    p = ((uint8_t*)buf_data[0]) + j * image_row_pitch;
+    q = ((uint8_t*)buf_data[1]) + j * image_row_pitch;
+    for (uint32_t i = 0; i < w; i++)
+      for (uint32_t k = 0; k < 4; k++)
+        OCL_ASSERT(((uint32_t*)p)[i * 4 + k] == ((uint32_t*)q)[i * 4 + k]);
+  }
+  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_1);
-- 
2.7.4