MLCE-166: Add support for extracting indices in NEPoolingLayer 2x2 NCHW

 * Added initial support for pooling indices
 * Only supported for NCHW Poolsize 2

Change-Id: I92ce767e64fcc01aae89411064b4cb2be272a1e9
Signed-off-by: morgolock <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/2927
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/arm_compute/runtime/NEON/functions/NEPoolingLayer.h b/arm_compute/runtime/NEON/functions/NEPoolingLayer.h
index eb840b52f2..e43741c95b 100644
--- a/arm_compute/runtime/NEON/functions/NEPoolingLayer.h
+++ b/arm_compute/runtime/NEON/functions/NEPoolingLayer.h
@@ -51,8 +51,9 @@ public:
      * @param[in, out] input     Source tensor. (Written to only when padding != 0) Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
      * @param[out]     output    Destination tensor. Data types supported: Same as @p input.
      * @param[in]      pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+     * @param[out]     indices   (optional) The indices of the maximal values. Data type supported: U32.
      */
-    void configure(ITensor *input, ITensor *output, const PoolingLayerInfo &pool_info);
+    void configure(ITensor *input, ITensor *output, const PoolingLayerInfo &pool_info, ITensor *indices = nullptr);
     /** Static function to check if given info will lead to a valid configuration of @ref NEPoolingLayer
      *
      * @note F16 is supported for pool sizes 2 and 3 only
@@ -60,10 +61,11 @@ public:
      * @param[in] input     Source tensor. (Written to only when padding != 0) Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
      * @param[in] output    Destination tensor. Data types supported: Same as @p input.
      * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+     * @param[in] indices   (optional) The indices of the maximal values. Data type supported: U32.
      *
      * @return a status
      */
-    static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PoolingLayerInfo &pool_info);
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PoolingLayerInfo &pool_info, const ITensorInfo *indices = nullptr);
 
     // Inherited methods overridden:
     void run() override;