[COMPMID-1229] Implementing Pad on OpenCL -FP32/FP16

Change-Id: Ideead99410e5e0bda1035030af1bbcd0a65ea15e
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/144792
Tested-by: bsgcomp <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 55 insertions, 1 deletions

diff --git a/src/core/CL/cl_kernels/copy_tensor.cl b/src/core/CL/cl_kernels/copy_tensor.cl
index 930a6762a8..4bbbf11bea 100644
--- a/src/core/CL/cl_kernels/copy_tensor.cl
+++ b/src/core/CL/cl_kernels/copy_tensor.cl
@@ -23,6 +23,60 @@
  */
 #include "helpers.h"
 
+#if defined(PAD00) && defined(PAD10) && defined(PAD20) && defined(PAD21) && defined(PAD30) && defined(DATA_TYPE) && defined(VEC_SIZE) // Compile time constants
+
+/** Perform a padded copy of input tensor to the output tensor. Padding values are defined at compile time
+ *
+ * @attention The following variables must be passed at compile time:
+ * -# -DPAD{d}{0,1} = padding before{0} and after{1} dimension d (d < 4)
+ * -# -DDEPTH = The third dimension (depth) of the tensor (it is needed only if d == 3)
+ * -# -DDATA_TYPE = Input and output datatypes.
+ *
+ * @param[in]  in_ptr                            Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
+ * @param[in]  in_stride_x                       Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  in_step_x                         input_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  in_stride_y                       Stride of the source tensor in Y dimension (in bytes)
+ * @param[in]  in_step_y                         input_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  in_stride_z                       Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  in_step_z                         input_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  in_offset_first_element_in_bytes  The offset of the first element in the source tensor
+ * @param[out] out_ptr                           Pointer to the destination tensor. Supported data types: same as @p in_ptr
+ * @param[in]  out_stride_x                      Stride of the destination tensor in X dimension (in bytes)
+ * @param[in]  out_step_x                        output_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  out_stride_y                      Stride of the destination tensor in Y dimension (in bytes)
+ * @param[in]  out_step_y                        output_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  out_stride_z                      Stride of the source tensor in Z dimension (in bytes)
+ * @param[in]  out_step_z                        output_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in]  out_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ */
+__kernel void copy_pad_tensor(
+    TENSOR3D_DECLARATION(in),
+    TENSOR3D_DECLARATION(out))
+
+{
+    Tensor3D in  = CONVERT_TO_TENSOR3D_STRUCT(in);
+    Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT(out);
+
+    const int offset_x = PAD00;
+    const int offset_y = PAD10;
+    const int offset_z = PAD20;
+
+#if PAD30 > 0
+    const size_t in_batch    = get_global_id(2) / DEPTH;
+    const int    total_depth = DEPTH + PAD20 + PAD21;
+    const int    offset_w    = PAD30 * total_depth + in_batch * (PAD20 + PAD21);
+#else  // PAD30 == 0
+    const int offset_w = 0;
+#endif // PAD30
+
+    VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+    data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)in.ptr);
+
+    VSTORE(VEC_SIZE)
+    (data, 0, (__global DATA_TYPE *)tensor3D_offset(&out, offset_x, offset_y, offset_z + offset_w));
+}
+#endif // Compile time constants
+
 /** Performs a copy of input tensor to the output tensor.
  *
  * @param[in]  in_ptr                            Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
@@ -56,4 +110,4 @@ __kernel void copy_tensor(
     // Store result
     VSTORE(VEC_SIZE)
     (data, 0, (__global DATA_TYPE *)out.ptr);
-}
\ No newline at end of file
+}