1 /* 2 * Copyright 2011-2014 Blender Foundation 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __UTIL_LOGGING_H__ 18 #define __UTIL_LOGGING_H__ 19 20 #if defined(WITH_CYCLES_LOGGING) && !defined(__KERNEL_GPU__) 21 # include <gflags/gflags.h> 22 # include <glog/logging.h> 23 #endif 24 25 #include <iostream> 26 27 CCL_NAMESPACE_BEGIN 28 29 #if !defined(WITH_CYCLES_LOGGING) || defined(__KERNEL_GPU__) 30 class StubStream { 31 public: 32 template<class T> StubStream &operator<<(const T &) 33 { 34 return *this; 35 } 36 }; 37 38 class LogMessageVoidify { 39 public: LogMessageVoidify()40 LogMessageVoidify() 41 { 42 } 43 void operator&(StubStream &) 44 { 45 } 46 }; 47 48 # define LOG_SUPPRESS() (true) ? ((void)0) : LogMessageVoidify() & StubStream() 49 # define LOG(severity) LOG_SUPPRESS() 50 # define VLOG(severity) LOG_SUPPRESS() 51 # define VLOG_IF(severity, condition) LOG_SUPPRESS() 52 #endif 53 54 #define VLOG_ONCE(level, flag) \ 55 if (!flag) \ 56 flag = true, VLOG(level) 57 58 struct int2; 59 struct float3; 60 61 void util_logging_init(const char *argv0); 62 void util_logging_start(); 63 void util_logging_verbosity_set(int verbosity); 64 65 std::ostream &operator<<(std::ostream &os, const int2 &value); 66 std::ostream &operator<<(std::ostream &os, const float3 &value); 67 68 CCL_NAMESPACE_END 69 70 #endif /* __UTIL_LOGGING_H__ */ 71