COMPMID-2239 Implement DEPTH_TO_SPACE for CL

Change-Id: Ia064b742624c0052a7e2ff9bebe84e675369ff86
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1233
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giuseppe Rossini <giuseppe.rossini@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

2 files changed, 67 insertions, 0 deletions

diff --git a/arm_compute/runtime/CL/CLFunctions.h b/arm_compute/runtime/CL/CLFunctions.h
index 11ef390c10..4af4a5be2f 100644
--- a/arm_compute/runtime/CL/CLFunctions.h
+++ b/arm_compute/runtime/CL/CLFunctions.h
@@ -54,6 +54,7 @@
 #include "arm_compute/runtime/CL/functions/CLDeconvolutionLayer.h"
 #include "arm_compute/runtime/CL/functions/CLDeconvolutionLayerUpsample.h"
 #include "arm_compute/runtime/CL/functions/CLDepthConvertLayer.h"
+#include "arm_compute/runtime/CL/functions/CLDepthToSpaceLayer.h"
 #include "arm_compute/runtime/CL/functions/CLDepthwiseConvolutionLayer.h"
 #include "arm_compute/runtime/CL/functions/CLDepthwiseSeparableConvolutionLayer.h"
 #include "arm_compute/runtime/CL/functions/CLDequantizationLayer.h"
diff --git a/arm_compute/runtime/CL/functions/CLDepthToSpaceLayer.h b/arm_compute/runtime/CL/functions/CLDepthToSpaceLayer.h
new file mode 100644
index 0000000000..57d19c542e
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLDepthToSpaceLayer.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2019 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLDEPTHTOSPACELAYER_H__
+#define __ARM_COMPUTE_CLDEPTHTOSPACELAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLDepthToSpaceLayerKernel.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLDepthToSpaceLayerKernel. */
+class CLDepthToSpaceLayer : public IFunction
+{
+public:
+    /** Default constructor */
+    CLDepthToSpaceLayer();
+    /** Set the input and output tensors.
+     *
+     * @param[in]  input       Tensor input. Supported tensor rank: 4. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32.
+     * @param[out] output      Tensor output. Data types supported: same as @p input
+     * @param[in]  block_shape Block shape value.
+     */
+    void configure(const ICLTensor *input, ICLTensor *output, int32_t block_shape);
+    /** Static function to check if given info will lead to a valid configuration of @ref CLDepthToSpaceLayer.
+     *
+     * @param[in] input       Tensor input info. Supported tensor rank: 4. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32.
+     * @param[in] output      Tensor output info. Data types supported: same as @p input
+     * @param[in] block_shape Block shape value.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output, int32_t block_shape);
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    CLDepthToSpaceLayerKernel _depth_to_space_kernel; /**< CLDepthToSpaceLayerKernel to run */
+};
+}
+#endif /* __ARM_COMPUTE_CLDEPTHTOSPACELAYER_H__ */