chore: import upstream snapshot with attribution

plugin/instanceNormalizationPlugin/instanceNormalizationPlugin.h

@@ -0,0 +1,158 @@
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ */
+#ifndef TRT_INSTANCE_NORMALIZATION_PLUGIN_H
+#define TRT_INSTANCE_NORMALIZATION_PLUGIN_H
+#include "NvInfer.h"
+#include "NvInferPlugin.h"
+#include "common/plugin.h"
+#include "common/serialize.hpp"
+#include "instanceNormalizationPlugin/instanceNormFwd.h"
+#include <cuda_fp16.h>
+#include <iostream>
+#include <string>
+#include <vector>
+
+typedef uint16_t half_type;
+
+namespace
+{
+constexpr char const* gInstancePluginFullNameV3{"InstanceNormalization_TRT, version:3"};
+} // namespace
+
+namespace nvinfer1
+{
+namespace plugin
+{
+class InstanceNormalizationV3Plugin : public IPluginV3,
+                                      public IPluginV3OneCore,
+                                      public IPluginV3OneBuild,
+                                      public IPluginV3OneRuntime
+{
+
+public:
+    InstanceNormalizationV3Plugin(float epsilon, nvinfer1::Weights const& scale, nvinfer1::Weights const& bias,
+        int32_t relu = 0, float alpha = 0.F);
+    InstanceNormalizationV3Plugin(float epsilon, std::vector<float> const& scale, std::vector<float> const& bias,
+        int32_t relu = 0, float alpha = 0.F);
+    InstanceNormalizationV3Plugin(void const* serialData, size_t serialLength);
+
+    InstanceNormalizationV3Plugin() = delete;
+
+    InstanceNormalizationV3Plugin(InstanceNormalizationV3Plugin const&) = default;
+
+    ~InstanceNormalizationV3Plugin() override;
+
+    int32_t getNbOutputs() const noexcept override;
+
+    IPluginCapability* getCapabilityInterface(PluginCapabilityType type) noexcept override;
+
+    InstanceNormalizationV3Plugin* clone() noexcept override;
+
+    char const* getPluginName() const noexcept override;
+
+    char const* getPluginNamespace() const noexcept override;
+
+    size_t getWorkspaceSize(DynamicPluginTensorDesc const* inputs, int32_t nbInputs,
+        DynamicPluginTensorDesc const* outputs, int32_t nbOutputs) const noexcept override;
+
+    int32_t enqueue(PluginTensorDesc const* inputDesc, PluginTensorDesc const* outputDesc, void const* const* inputs,
+        void* const* outputs, void* workspace, cudaStream_t stream) noexcept override;
+
+    // DynamicExt plugin supportsFormat update.
+    bool supportsFormatCombination(
+        int32_t pos, DynamicPluginTensorDesc const* inOut, int32_t nbInputs, int32_t nbOutputs) noexcept override;
+
+    char const* getPluginVersion() const noexcept override;
+
+    void setPluginNamespace(char const* pluginNamespace) noexcept;
+
+    int32_t getOutputDataTypes(
+        DataType* outputTypes, int32_t nbOutputs, DataType const* inputTypes, int32_t nbInputs) const noexcept override;
+
+    int32_t getOutputShapes(DimsExprs const* inputs, int32_t nbInputs, DimsExprs const* shapeInputs,
+        int32_t nbShapeInputs, DimsExprs* outputs, int32_t nbOutputs, IExprBuilder& exprBuilder) noexcept override;
+
+    IPluginV3* attachToContext(IPluginResourceContext* context) noexcept override;
+
+    int32_t configurePlugin(DynamicPluginTensorDesc const* in, int32_t nbInputs, DynamicPluginTensorDesc const* out,
+        int32_t nbOutputs) noexcept override;
+
+    int32_t onShapeChange(
+        PluginTensorDesc const* in, int32_t nbInputs, PluginTensorDesc const* out, int32_t nbOutputs) noexcept override;
+
+    PluginFieldCollection const* getFieldsToSerialize() noexcept override;
+
+    int32_t initializeContext();
+
+protected:
+    void exitContext();
+
+private:
+    float mEpsilon{};
+    float mAlpha{};
+    int32_t mRelu{};
+    int32_t mNchan{};
+    std::vector<float> mHostScale;
+    std::vector<float> mHostBias;
+    float* mDeviceScale{nullptr};
+    float* mDeviceBias{nullptr};
+    nvinfer1::pluginInternal::cudnnHandle_t mCudnnHandle{nullptr};
+    nvinfer1::pluginInternal::CudnnWrapper& mCudnnWrapper
+        = nvinfer1::pluginInternal::getCudnnWrapper(gInstancePluginFullNameV3);
+
+    nvinfer1::pluginInternal::cudnnTensorDescriptor_t mXDescriptor{nullptr};
+    nvinfer1::pluginInternal::cudnnTensorDescriptor_t mYDescriptor{nullptr};
+    nvinfer1::pluginInternal::cudnnTensorDescriptor_t mBDescriptor{nullptr};
+    std::string mPluginNamespace;
+    bool mInitialized{false};
+    int32_t mCudaDriverVersion{-1};
+    std::vector<nvinfer1::PluginField> mDataToSerialize;
+    nvinfer1::PluginFieldCollection mFCToSerialize;
+
+    // NDHWC implementation
+    instance_norm_impl::InstanceNormFwdContext mContext;
+};
+
+class InstanceNormalizationV3PluginCreator : public nvinfer1::IPluginCreatorV3One
+{
+public:
+    InstanceNormalizationV3PluginCreator();
+
+    ~InstanceNormalizationV3PluginCreator() override = default;
+
+    char const* getPluginName() const noexcept override;
+
+    char const* getPluginVersion() const noexcept override;
+
+    PluginFieldCollection const* getFieldNames() noexcept override;
+
+    IPluginV3* createPlugin(char const* name, PluginFieldCollection const* fc, TensorRTPhase phase) noexcept override;
+
+    void setPluginNamespace(char const* libNamespace) noexcept;
+
+    char const* getPluginNamespace() const noexcept override;
+
+private:
+    PluginFieldCollection mFC;
+    std::vector<PluginField> mPluginAttributes;
+    std::string mNamespace;
+};
+
+} // namespace plugin
+} // namespace nvinfer1
+
+#endif // TRT_INSTANCE_NORMALIZATION_PLUGIN_H