COMPMID-443 Collapse higher dimension for pooling layer and normalization layer

Change-Id: Icd08eefbd938c11c77dc4264af1fa3664fb336bc
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/80568
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/core/CL/kernels/CLPoolingLayerKernel.cpp b/src/core/CL/kernels/CLPoolingLayerKernel.cpp
index 3777e3bb49..ca75fd56fb 100644
--- a/src/core/CL/kernels/CLPoolingLayerKernel.cpp
+++ b/src/core/CL/kernels/CLPoolingLayerKernel.cpp
@@ -167,7 +167,8 @@ void CLPoolingLayerKernel::run(const Window &window, cl::CommandQueue &queue)
     std::tie(pool_pad_x, pool_pad_y)       = _pool_info.pad_stride_info().pad();
     std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride();
 
-    Window slice = window.first_slice_window_3D();
+    Window window_collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
+    Window slice            = window_collapsed.first_slice_window_3D();
 
     do
     {
@@ -182,5 +183,5 @@ void CLPoolingLayerKernel::run(const Window &window, cl::CommandQueue &queue)
         add_3D_tensor_argument(idx, _output, slice);
         enqueue(queue, *this, slice);
     }
-    while(window.slide_window_slice_3D(slice));
+    while(window_collapsed.slide_window_slice_3D(slice));
 }