1 files changed, 79 insertions, 0 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/common/primitive_iterator.hpp b/thirdparty/oidn/mkl-dnn/src/common/primitive_iterator.hpp
new file mode 100644
index 0000000000..4e88ab3aa5
--- /dev/null
+++ b/thirdparty/oidn/mkl-dnn/src/common/primitive_iterator.hpp
@@ -0,0 +1,79 @@
+/*******************************************************************************
+* Copyright 2018 Intel Corporation
+*
+* 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 PRIMITIVE_ITERATOR_HPP
+#define PRIMITIVE_ITERATOR_HPP
+
+#include "mkldnn.h"
+
+#include "c_types_map.hpp"
+#include "engine.hpp"
+#include "primitive_desc.hpp"
+#include "type_helpers.hpp"
+
+struct mkldnn_primitive_desc_iterator: public mkldnn::impl::c_compatible {
+    using pd_create_f = mkldnn::impl::engine_t::primitive_desc_create_f;
+
+    mkldnn_primitive_desc_iterator(mkldnn::impl::engine_t *engine, const mkldnn::impl::op_desc_t *op_desc,
+            const mkldnn::impl::primitive_attr_t *attr, const mkldnn::impl::primitive_desc_t *hint_fwd_pd)
+        : idx_(-1), engine_(engine), pd_(nullptr), op_desc_(op_desc)
+        , attr_(attr ? *attr : mkldnn::impl::primitive_attr_t()), hint_fwd_pd_(hint_fwd_pd)
+        , impl_list_(engine_->get_implementation_list()), last_idx_(0)
+    {
+        while (impl_list_[last_idx_] != nullptr) ++last_idx_;
+    }
+    ~mkldnn_primitive_desc_iterator() { if (pd_) delete pd_; }
+
+    bool operator==(const mkldnn::impl::primitive_desc_iterator_t& rhs) const
+    { return idx_ == rhs.idx_ && engine_ == rhs.engine_; }
+    bool operator!=(const mkldnn::impl::primitive_desc_iterator_t& rhs) const
+    { return !operator==(rhs); }
+
+    mkldnn::impl::primitive_desc_iterator_t end() const
+    { return mkldnn_primitive_desc_iterator(engine_, last_idx_); }
+
+    mkldnn::impl::primitive_desc_iterator_t &operator++() {
+        if (pd_) { delete pd_; pd_ = nullptr; }
+        while (++idx_ != last_idx_) {
+            auto s = impl_list_[idx_](&pd_, op_desc_, &attr_, engine_,
+                    hint_fwd_pd_);
+            if (s ==  mkldnn::impl::status::success) break;
+        }
+        return *this;
+    }
+
+    mkldnn::impl::primitive_desc_t *operator*() const {
+        if (*this == end() || pd_ == nullptr) return nullptr;
+        return pd_->clone();
+    }
+
+protected:
+    int idx_;
+    mkldnn::impl::engine_t *engine_;
+    mkldnn::impl::primitive_desc_t *pd_;
+    const mkldnn::impl::op_desc_t *op_desc_;
+    const mkldnn::impl::primitive_attr_t attr_;
+    const mkldnn::impl::primitive_desc_t *hint_fwd_pd_;
+    const pd_create_f *impl_list_;
+    int last_idx_;
+
+private:
+    mkldnn_primitive_desc_iterator(mkldnn::impl::engine_t *engine, int last_idx)
+        : idx_(last_idx), engine_(engine), pd_(nullptr)
+        , op_desc_(nullptr), hint_fwd_pd_(nullptr)
+        , impl_list_(nullptr), last_idx_(last_idx) {}
+};
+
+#endif