1 #ifndef __DALI_INTEGRATION_DEBUG_H__
2 #define __DALI_INTEGRATION_DEBUG_H__
5 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
26 #include <dali/public-api/common/dali-common.h>
28 // Using Debug namespace alias shortens the log usage significantly
29 namespace Dali{namespace Integration{namespace Log{}}}
30 namespace Debug = Dali::Integration::Log;
55 * Used by logging macros to log a message along with function/class name
56 * @param level debug level
57 * @param format string format
59 DALI_IMPORT_API void LogMessage(enum DebugPriority level,const char *format, ...);
62 * typedef for the logging function.
64 typedef void (*LogFunction)(DebugPriority priority, std::string& message);
67 * A log function has to be installed for every thread that wants to use logging.
68 * This should be done by the adaptor.
69 * The log function can be different for each thread.
70 * @param logFunction the log function to install
71 * @param logOpts the log options to save in thread
73 DALI_IMPORT_API void InstallLogFunction(const LogFunction& logFunction);
76 * A log function has to be uninstalled for every thread that wants to use logging.
77 * The log function can be different for each thread.
79 DALI_IMPORT_API void UninstallLogFunction();
81 /********************************************************************************
82 * Error/Warning macros. *
83 ********************************************************************************/
86 * Provides unfiltered logging for global error level messages
88 #define DALI_LOG_ERROR(format, args...) Dali::Integration::Log::LogMessage(Dali::Integration::Log::DebugError, "%s " format, __PRETTY_FUNCTION__, ## args)
90 #define DALI_LOG_ERROR_NOFN(format, args...) Dali::Integration::Log::LogMessage(Dali::Integration::Log::DebugError, format, ## args)
93 * Provides unfiltered logging for fps monitor
95 #define DALI_LOG_FPS(format, args...) Dali::Integration::Log::LogMessage(Dali::Integration::Log::DebugInfo, format, ## args)
98 * Provides unfiltered logging for update status
100 #define DALI_LOG_UPDATE_STATUS(format, args...) Dali::Integration::Log::LogMessage(Dali::Integration::Log::DebugInfo, format, ## args)
103 * Provides unfiltered logging for render information
105 #define DALI_LOG_RENDER_INFO(format, args...) Dali::Integration::Log::LogMessage(Dali::Integration::Log::DebugInfo, format, ## args)
110 * Provides unfiltered logging for global warning level messages
112 #define DALI_LOG_WARNING(format, args...) Dali::Integration::Log::LogMessage(Dali::Integration::Log::DebugWarning, "%s " format, __PRETTY_FUNCTION__, ## args)
115 #else // DEBUG_ENABLED
117 // Don't warn on release build
118 #define DALI_LOG_WARNING(format, args...)
122 /********************************************************************************
124 ********************************************************************************/
129 * Enumeration of logging levels.
130 * Used by the filters to provide multiple log levels.
131 * In general, the higher the value, the more debug is available for that filter.
143 * The Filter object is used by the DALI_LOG_INFO macro and others to determine if the logging
144 * should take place, and routes the logging via the platform abstraction's LogMessage.
146 * It provides a logging level. If this is set to zero, then DALI_LOG_INFO won't log anything.
147 * It provides the ability to turn tracing on or off.
150 class DALI_IMPORT_API Filter
153 typedef std::list<Filter*> FilterList;
154 typedef std::list<Filter*>::iterator FilterIter;
159 * Test if the filter is enabled for the given logging level
160 * @param[in] level - the level to test.
161 * @return true if this level of logging is enabled.
163 bool IsEnabledFor(LogLevel level) { return level != Debug::NoLogging && level <= mLoggingLevel;}
166 * Test if trace is enabled for this filter.
167 * @return true if trace is enabled;
169 bool IsTraceEnabled() { return mTraceEnabled; }
172 * Enable tracing on this filter.
174 void EnableTrace() { mTraceEnabled = true; }
177 * Disable tracing on this filter.
179 void DisableTrace() { mTraceEnabled = false; }
182 * Set the log level for this filter. Setting to a higher value than Debug::General also
185 void SetLogLevel(LogLevel level) { mLoggingLevel = level; }
188 * Perform the logging for this filter.
190 void Log(LogLevel level, const char* format, ...);
193 * Create a new filter whose debug level and trace can be modified through the use of an
194 * environment variable.
196 * @param[in] level The default log level
197 * @param[in] trace The default trace level. If true, function tracing is on.
198 * @param[in] environmentVariableName The environment variable name used in order to change the
199 * log level or trace.
201 * @info To modify logg level/trace at runtime, you can should define your filter as shown below:
204 * Debug::Filter* filter = Debug::Filter::New( Debug::NoLogging, false, "FILTER_ENV" );
207 * And to use it when running an executable:
209 * FILTER_ENV=3 dali-demo // LogLevel Verbose, Trace using default
210 * FILTER_ENV=1,true dali-demo // LogLevel Concise, Trace ON
211 * FILTER_ENV=2,false dali-demo // LogLevel General, Trace OFF
212 * FILTER_ENV=0,true dali-demo // LogLevel NoLogging, Trace ON
215 static Filter* New(LogLevel level, bool trace, const char * environmentVariableName );
218 * Enable trace on all filters.
220 void EnableGlobalTrace();
223 * Disable trace on all filters.
225 void DisableGlobalTrace();
231 * @param[in] level - the highest log level.
232 * @param[in] trace - whether this filter allows tracing.
234 Filter(LogLevel level, bool trace) : mLoggingLevel(level), mTraceEnabled(trace), mNesting(0) {}
236 static FilterList* GetActiveFilters();
239 // High level filters. If these filters are too broad for your current requirement, then
240 // you can add a filter to your own class or source file. If you do, use Filter::New()
241 // to tell this class about it.
243 static Filter *gRender;
244 static Filter *gResource;
245 static Filter *gGLResource;
246 static Filter *gObject;
247 static Filter *gImage;
248 static Filter *gModel;
249 static Filter *gNode;
250 static Filter *gElement;
251 static Filter *gActor;
252 static Filter *gShader;
253 static Filter *gDynamics;
256 LogLevel mLoggingLevel;
264 #define DALI_LOG_FILTER_SET_LEVEL(filter, level) filter->SetLogLevel(level)
265 #define DALI_LOG_FILTER_ENABLE_TRACE(filter) filter->EnableTrace()
266 #define DALI_LOG_FILTER_DISABLE_TRACE(filter) filter->DisableTrace()
270 #define DALI_LOG_FILTER_SET_LEVEL(filter, level)
271 #define DALI_LOG_FILTER_ENABLE_TRACE(filter)
272 #define DALI_LOG_FILTER_DISABLE_TRACE(filter)
276 /********************************************************************************
277 * General Logging macros *
278 ********************************************************************************/
282 #define DALI_LOG_INFO(filter, level, format, args...) \
283 if(filter && filter->IsEnabledFor(level)) { filter->Log(level, format, ## args); }
285 #else // DEBUG_ENABLED
287 #define DALI_LOG_INFO(filter, level, format, args...)
289 #endif // DEBUG_ENABLED
292 /********************************************************************************
294 ********************************************************************************/
297 * These macros allow the instrumentation of methods. These translate into calls
298 * to LogMessage(DebugInfo).
303 class DALI_IMPORT_API TraceObj
306 TraceObj(Filter* filter, const char* fmt, ...);
310 std::string mMessage;
315 #define DALI_LOG_TRACE_METHOD_FMT(filter, format, args...) \
316 Dali::Integration::Log::TraceObj debugTraceObj(filter, "%s: " format, __PRETTY_FUNCTION__, ## args)
318 #define DALI_LOG_TRACE_METHOD(filter) \
319 Dali::Integration::Log::TraceObj debugTraceObj(filter, __PRETTY_FUNCTION__)
322 #else // DEBUG_ENABLED
324 #define DALI_LOG_TRACE_METHOD_FMT(filter, format, args...)
325 #define DALI_LOG_TRACE_METHOD(filter)
330 /********************************************************************************
331 * Extra object debug *
332 ********************************************************************************/
337 * Warning, this macro changes the current scope, so should usually be put at the
338 * end of the class definition.
340 * Suggest that the value is usually set to the object's name.
341 * Warning - this will increase the size of the object for a debug build.
343 #define DALI_LOG_OBJECT_STRING_DECLARATION \
345 std::string mDebugString;
348 * Allows one object to set another object's debug string
350 #define DALI_LOG_SET_OBJECT_STRING(object, string) (object->mDebugString = string)
353 * Allows one object to set another object's std::string easily
355 #define DALI_LOG_FMT_OBJECT_STRING(object, fmt, args...) (object->mDebugString = FormatToString(fmt, ## args))
358 * Allows one object to get another object's debug string
360 #define DALI_LOG_GET_OBJECT_STRING(object) (object->mDebugString)
363 * Get the C string (for use in formatted logging)
365 #define DALI_LOG_GET_OBJECT_C_STR(object) (object->mDebugString.c_str())
368 * Filtered logging of the object's debug string
370 #define DALI_LOG_OBJECT(filter, object) DALI_LOG_INFO(filter, Debug::General, object->mDebugString)
373 #else // DEBUG_ENABLED
375 #define DALI_LOG_OBJECT_STRING_DECLARATION
376 #define DALI_LOG_SET_OBJECT_STRING(object, string)
377 #define DALI_LOG_FMT_OBJECT_STRING(object, fmt, args...)
378 #define DALI_LOG_GET_OBJECT_STRING(object)
379 #define DALI_LOG_GET_OBJECT_C_STR(object) ""
380 #define DALI_LOG_OBJECT(filter, object)
384 /********************************************************************************
386 ********************************************************************************/
389 * Helper method to translate a color to a string.
390 * @param[in] color - the color to translate
391 * @return string - the text representation of the color.
393 DALI_IMPORT_API std::string ColorToString(const Vector4& color);
396 * Helper method to translate a vector4 to a string.
397 * @param[in] v - the vector
398 * @param[in] precision - the precision to write the float data.
399 * @param[in] indent - the indent level to use.
400 * @return string - the text representation of the vector.
402 DALI_IMPORT_API std::string Vector4ToString(const Vector4& v, size_t precision=3, size_t indent=0);
405 * Helper method to translate a vector4 to a string.
406 * @param[in] v - the vector
407 * @param[in] precision - the precision to write the float data.
408 * @param[in] indent - the indent level to use.
409 * @return string - the text representation of the vector.
411 DALI_IMPORT_API std::string Vector3ToString(const Vector3& v, size_t precision=3, size_t indent=0);
414 * Helper method to translate a quaternion to a string.
415 * @param[in] q the quaternion
416 * @param[in] precision - the precision to write the float data.
417 * @param[in] indent - the indent level to use.
418 * @return string - the text representation of the quaternion.
420 DALI_IMPORT_API std::string QuaternionToString(const Quaternion& q, size_t precision=3, size_t indent=0);
423 * Helper method to translate a 3x3 matrix to a string.
424 * @param[in] m - the matrix
425 * @param[in] precision - the precision to write the float data.
426 * @param[in] indent - the indent level to use.
427 * @return string - the text representation of the vector.
429 DALI_IMPORT_API std::string Matrix3ToString(const Matrix3& m, size_t precision=3, size_t indent=0);
432 * Helper method to translate a 4x4 matrix to a string.
433 * @param[in] m - the matrix
434 * @param[in] precision - the precision to write the float data.
435 * @param[in] indent - the indent level to use.
436 * @return string - the text representation of the vector.
438 DALI_IMPORT_API std::string MatrixToString(const Matrix& m, size_t precision=3, size_t indent=0);
444 * Filtered write of a matrix
446 #define DALI_LOG_MATRIX(filter, matrix) DALI_LOG_INFO(filter, Debug::General, MatrixToString(matrix))
449 * Filtered write of a vector
451 #define DALI_LOG_VECTOR4(filter, vector) DALI_LOG_INFO(filter, Debug::General, Vector4ToString(vector))
454 * Filtered write of a vector
456 #define DALI_LOG_VECTOR3(filter, vector) DALI_LOG_INFO(filter, Debug::General, Vector3ToString(vector))
459 * Filtered write of a color
461 #define DALI_LOG_COLOR(filter, color) DALI_LOG_INFO(filter, Debug::General, ColorToString(color))
465 #define DALI_LOG_MATRIX(filter, matrix)
466 #define DALI_LOG_VECTOR4(filter,vector)
467 #define DALI_LOG_VECTOR3(filter,vector)
468 #define DALI_LOG_COLOR(filter, color)
472 }}} // Dali/Integration/Debug namespaces
475 #endif // __DALI_INTEGRATION_DEBUG_H__