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- /*
- * Copyright 2011-2013 Blender Foundation
- *
- * 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 __UTIL_VECTOR_H__
- #define __UTIL_VECTOR_H__
- #include <cassert>
- #include <cstring>
- #include <vector>
- #include "util/util_aligned_malloc.h"
- #include "util/util_guarded_allocator.h"
- #include "util/util_types.h"
- CCL_NAMESPACE_BEGIN
- /* Own subclass-ed vestion of std::vector. Subclass is needed because:
- *
- * - Use own allocator which keeps track of used/peak memory.
- * - Have method to ensure capacity is re-set to 0.
- */
- template<typename value_type, typename allocator_type = GuardedAllocator<value_type>>
- class vector : public std::vector<value_type, allocator_type> {
- public:
- typedef std::vector<value_type, allocator_type> BaseClass;
- /* Inherit all constructors from base class. */
- using BaseClass::vector;
- /* Try as hard as possible to use zero memory. */
- void free_memory()
- {
- BaseClass::resize(0);
- BaseClass::shrink_to_fit();
- }
- /* Some external API might demand working with std::vector. */
- operator std::vector<value_type>()
- {
- return std::vector<value_type>(this->begin(), this->end());
- }
- };
- CCL_NAMESPACE_END
- #endif /* __UTIL_VECTOR_H__ */
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