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Diffstat (limited to 'intern/cycles/util/time.h')
-rw-r--r-- | intern/cycles/util/time.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/intern/cycles/util/time.h b/intern/cycles/util/time.h new file mode 100644 index 00000000000..380921664e8 --- /dev/null +++ b/intern/cycles/util/time.h @@ -0,0 +1,91 @@ +/* + * 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_TIME_H__ +#define __UTIL_TIME_H__ + +#include "util/function.h" +#include "util/string.h" + +CCL_NAMESPACE_BEGIN + +/* Give current time in seconds in double precision, with good accuracy. */ + +double time_dt(); + +/* Sleep for the specified number of seconds. */ + +void time_sleep(double t); + +/* Scoped timer. */ + +class scoped_timer { + public: + explicit scoped_timer(double *value = NULL) : value_(value) + { + time_start_ = time_dt(); + } + + ~scoped_timer() + { + if (value_ != NULL) { + *value_ = get_time(); + } + } + + double get_start() const + { + return time_start_; + } + + double get_time() const + { + return time_dt() - time_start_; + } + + protected: + double *value_; + double time_start_; +}; + +class scoped_callback_timer { + public: + using callback_type = function<void(double)>; + + explicit scoped_callback_timer(callback_type cb) : cb(cb) + { + } + + ~scoped_callback_timer() + { + if (cb) { + cb(timer.get_time()); + } + } + + protected: + scoped_timer timer; + callback_type cb; +}; + +/* Make human readable string from time, compatible with Blender metadata. */ + +string time_human_readable_from_seconds(const double seconds); +double time_human_readable_to_seconds(const string &str); + +CCL_NAMESPACE_END + +#endif |