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/*
* Copyright 2014 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_ATOMIC_H__
#define __UTIL_ATOMIC_H__
/* Using atomic ops header from Blender. */
#include "atomic_ops.h"
ATOMIC_INLINE void atomic_update_max_z(size_t *maximum_value, size_t value)
{
size_t prev_value = *maximum_value;
while (prev_value < value) {
if (atomic_cas_z(maximum_value, prev_value, value) != prev_value) {
break;
}
}
}
#endif /* __UTIL_ATOMIC_H__ */
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