APPBROWSER-391: Fix GLES COMPUTE alignment issues

APPBROWSER-402: Performance optimization for squeezenet/xray model

Change-Id: If31b186b99a6d6087164019fe94d3ac9279e3204
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/119526
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 14 insertions, 4 deletions

diff --git a/src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp b/src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp
index b8672c662d..d7c645d09d 100644
--- a/src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp
+++ b/src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -109,16 +109,26 @@ void GCActivationLayerKernel::run(const Window &window)
 
     _kernel.use();
 
-    Window slice = window.first_slice_window_3D();
+    _output->set_needs_shifting(true);
+
+    Window slice    = window.first_slice_window_3D();
+    Window slice_in = window.first_slice_window_3D();
+
+    slice.shift(Window::DimX, -(_output->info()->padding()).left);
+
+    if(_input == _output)
+    {
+        slice_in.shift(Window::DimX, -(_input->info()->padding()).left);
+    }
 
     do
     {
         unsigned int idx     = 0;
         unsigned int binding = 1;
-        add_3D_tensor_argument(idx, _input, binding++, slice);
+        add_3D_tensor_argument(idx, _input, binding++, slice_in);
         add_3D_tensor_argument(idx, _output, binding++, slice);
         _kernel.update_shader_params();
         enqueue(*this, slice);
     }
-    while(window.slide_window_slice_3D(slice));
+    while(window.slide_window_slice_3D(slice) && window.slide_window_slice_3D(slice_in));
 }