chore: import upstream snapshot with attribution

paddle/fluid/inference/tensorrt/plugin/stack_op_plugin.h

@@ -0,0 +1,103 @@
+// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+#include <stdio.h>
+
+#include <cassert>
+#include <string>
+#include <vector>
+
+#include "paddle/fluid/framework/tensor.h"
+#include "paddle/fluid/inference/tensorrt/plugin/trt_plugin.h"
+
+namespace paddle {
+namespace inference {
+namespace tensorrt {
+namespace plugin {
+
+class StackPluginDynamic : public DynamicPluginTensorRT {
+ public:
+  explicit StackPluginDynamic(int axis, int num_stack, bool with_fp16);
+  StackPluginDynamic(void const* serial_data, size_t serial_length);
+  ~StackPluginDynamic();
+  nvinfer1::IPluginV2DynamicExt* clone() const TRT_NOEXCEPT override;
+  nvinfer1::DimsExprs getOutputDimensions(
+      int outputIndex,
+      const nvinfer1::DimsExprs* inputs,
+      int nbInputs,
+      nvinfer1::IExprBuilder& exprBuilder)  // NOLINT
+      TRT_NOEXCEPT override;
+  bool supportsFormatCombination(int pos,
+                                 const nvinfer1::PluginTensorDesc* inOut,
+                                 int nbInputs,
+                                 int nbOutputs) TRT_NOEXCEPT override;
+  void configurePlugin(const nvinfer1::DynamicPluginTensorDesc* in,
+                       int nbInputs,
+                       const nvinfer1::DynamicPluginTensorDesc* out,
+                       int nbOutputs) TRT_NOEXCEPT override;
+  size_t getWorkspaceSize(const nvinfer1::PluginTensorDesc* inputs,
+                          int nbInputs,
+                          const nvinfer1::PluginTensorDesc* outputs,
+                          int nbOutputs) const TRT_NOEXCEPT override;
+  int enqueue(const nvinfer1::PluginTensorDesc* inputDesc,
+              const nvinfer1::PluginTensorDesc* outputDesc,
+              const void* const* inputs,
+              void* const* outputs,
+              void* workspace,
+              cudaStream_t stream) TRT_NOEXCEPT override;
+  nvinfer1::DataType getOutputDataType(int index,
+                                       const nvinfer1::DataType* inputTypes,
+                                       int nbInputs) const
+      TRT_NOEXCEPT override;
+  const char* getPluginType() const TRT_NOEXCEPT override;
+  int getNbOutputs() const TRT_NOEXCEPT override;
+  int initialize() TRT_NOEXCEPT override;
+  void terminate() TRT_NOEXCEPT override;
+  size_t getSerializationSize() const TRT_NOEXCEPT override;
+  void serialize(void* buffer) const TRT_NOEXCEPT override;
+  void destroy() TRT_NOEXCEPT override;
+
+ private:
+  int axis_;
+  int num_stack_;
+};
+
+class StackPluginDynamicCreator : public nvinfer1::IPluginCreator {
+ public:
+  StackPluginDynamicCreator();
+  const char* getPluginName() const TRT_NOEXCEPT override;
+  const char* getPluginVersion() const TRT_NOEXCEPT override;
+  const nvinfer1::PluginFieldCollection* getFieldNames() TRT_NOEXCEPT override;
+  nvinfer1::IPluginV2* createPlugin(const char* name,
+                                    const nvinfer1::PluginFieldCollection* fc)
+      TRT_NOEXCEPT override;
+  nvinfer1::IPluginV2* deserializePlugin(const char* name,
+                                         const void* serial_data,
+                                         size_t serial_length)
+      TRT_NOEXCEPT override;
+  void setPluginNamespace(const char* lib_namespace) TRT_NOEXCEPT override;
+  const char* getPluginNamespace() const TRT_NOEXCEPT override;
+
+ private:
+  std::string plugin_namespace_;
+  nvinfer1::PluginFieldCollection field_collection_{0, nullptr};
+  std::vector<nvinfer1::PluginField> plugin_attributes_;
+};
+REGISTER_TRT_PLUGIN_V2(StackPluginDynamicCreator);
+
+}  // namespace plugin
+}  // namespace tensorrt
+}  // namespace inference
+}  // namespace paddle