Port DepthConvert to new Api

- Renames DepthConvert to Cast
- Ports both NEDepthConverLayer and CLDepthConvert variants
- Removes legacy shift capability from DepthConvert, allowing only
shifts of 0

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I806a0f8eb23d23502b632c529fda7edde19c8176
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5565
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 38 insertions, 7 deletions

diff --git a/src/runtime/NEON/functions/NEDepthConvertLayer.cpp b/src/runtime/NEON/functions/NEDepthConvertLayer.cpp
index 761de8eb60..07e985c25e 100644
--- a/src/runtime/NEON/functions/NEDepthConvertLayer.cpp
+++ b/src/runtime/NEON/functions/NEDepthConvertLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2020 Arm Limited.
+ * Copyright (c) 2016-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -23,20 +23,51 @@
  */
 #include "arm_compute/runtime/NEON/functions/NEDepthConvertLayer.h"
 
-#include "src/core/NEON/kernels/NEDepthConvertLayerKernel.h"
+#include "arm_compute/core/Validate.h"
+#include "src/runtime/cpu/operators/CpuCast.h"
 
 #include <utility>
 
-using namespace arm_compute;
+namespace arm_compute
+{
+struct NEDepthConvertLayer::Impl
+{
+    const ITensor                *src{ nullptr };
+    ITensor                      *dst{ nullptr };
+    std::unique_ptr<cpu::CpuCast> op{ nullptr };
+};
+
+NEDepthConvertLayer::NEDepthConvertLayer()
+    : _impl(std::make_unique<Impl>())
+{
+}
+NEDepthConvertLayer::NEDepthConvertLayer(NEDepthConvertLayer &&) = default;
+NEDepthConvertLayer &NEDepthConvertLayer::operator=(NEDepthConvertLayer &&) = default;
+NEDepthConvertLayer::~NEDepthConvertLayer()                                 = default;
 
 void NEDepthConvertLayer::configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift)
 {
-    auto k = std::make_unique<NEDepthConvertLayerKernel>();
-    k->configure(input, output, policy, shift);
-    _kernel = std::move(k);
+    ARM_COMPUTE_UNUSED(shift);
+
+    _impl->src = input;
+    _impl->dst = output;
+
+    ARM_COMPUTE_ERROR_ON_NULLPTR(_impl->src, _impl->dst);
+    ARM_COMPUTE_ERROR_ON(shift != 0);
+
+    _impl->op = std::make_unique<cpu::CpuCast>();
+    _impl->op->configure(_impl->src->info(), _impl->dst->info(), policy);
 }
 
 Status NEDepthConvertLayer::validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift)
 {
-    return NEDepthConvertLayerKernel::validate(input, output, policy, shift);
+    ARM_COMPUTE_RETURN_ERROR_ON(shift != 0);
+    return cpu::CpuCast::validate(input, output, policy);
+}
+
+void NEDepthConvertLayer::run()
+{
+    ITensorPack pack = { { ACL_SRC, _impl->src }, { ACL_DST, _impl->dst } };
+    _impl->op->run(pack);
 }
+} // namespace arm_compute