COMPMID-1176: Add FP16 support in CLDeconvolutionLayer.

Change-Id: Ic82ca002220fa31d8618a55084ff1dfc2585bea7
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/131944
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Vidhya Sudhan Loganathan <vidhyasudhan.loganathan@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/core/CL/cl_kernels/deconvolution_layer.cl b/src/core/CL/cl_kernels/deconvolution_layer.cl
index 2514ddc..794f4aa 100644
--- a/src/core/CL/cl_kernels/deconvolution_layer.cl
+++ b/src/core/CL/cl_kernels/deconvolution_layer.cl
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -25,13 +25,13 @@
 
 /** This function applies upsample on an input image.
  *
- * @param[in]  src_ptr                           Pointer to the source image. Supported data types: F32
+ * @param[in]  src_ptr                           Pointer to the source image. Supported data types: F16/F32
  * @param[in]  src_stride_x                      Stride of the source image in X dimension (in bytes)
  * @param[in]  src_step_x                        src_stride_x * number of elements along X processed per workitem(in bytes)
  * @param[in]  src_stride_y                      Stride of the source image in Y dimension (in bytes)
  * @param[in]  src_step_y                        src_stride_y * number of elements along Y processed per workitem(in bytes)
  * @param[in]  src_offset_first_element_in_bytes The offset of the first element in the source image
- * @param[out] dst_ptr                           Pointer to the destination image. Supported data types: F32
+ * @param[out] dst_ptr                           Pointer to the destination image. Supported data types: F16/F32
  * @param[in]  dst_stride_x                      Stride of the destination image in X dimension (in bytes)
  * @param[in]  dst_step_x                        dst_stride_x * number of elements along X processed per workitem(in bytes)
  * @param[in]  dst_stride_y                      Stride of the destination image in Y dimension (in bytes)
@@ -46,5 +46,5 @@
     Image dst = CONVERT_TO_IMAGE_STRUCT(dst);
 
     // Store result
-    *((__global float *)dst.ptr) = *((__global float *)src.ptr);
+    *((__global DATA_TYPE *)dst.ptr) = *((__global DATA_TYPE *)src.ptr);
 }
diff --git a/src/core/CL/kernels/CLDeconvolutionLayerUpsampleKernel.cpp b/src/core/CL/kernels/CLDeconvolutionLayerUpsampleKernel.cpp
index 650c5b8..e7cdf8c 100644
--- a/src/core/CL/kernels/CLDeconvolutionLayerUpsampleKernel.cpp
+++ b/src/core/CL/kernels/CLDeconvolutionLayerUpsampleKernel.cpp
@@ -43,7 +43,7 @@
 {
     ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output);
 
-    ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F32);
+    ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32);
     ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
     ARM_COMPUTE_RETURN_ERROR_ON(output->dimension(0) == 0);
     ARM_COMPUTE_RETURN_ERROR_ON(output->dimension(1) == 0);
@@ -74,7 +74,9 @@
     ARM_COMPUTE_ERROR_THROW_ON(CLDeconvolutionLayerUpsampleKernel::validate(input->info(), output->info(), inner_border, info));
 
     // Create kernel
-    _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("deconvolution_upsample"));
+    CLBuildOptions build_opts;
+    build_opts.add_option(("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())));
+    _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("deconvolution_upsample", build_opts.options()));
 
     constexpr unsigned int num_elems_processed_per_iteration = 1;