xref: /aosp_15_r20/external/gmmlib/Source/GmmLib/inc/Internal/Common/GmmLogger.h (revision 35ffd701415c9e32e53136d61a677a8d0a8fc4a5)
1 /*==============================================================================
2 Copyright(c) 2017 Intel Corporation
3 
4 Permission is hereby granted, free of charge, to any person obtaining a
5 copy of this software and associated documentation files(the "Software"),
6 to deal in the Software without restriction, including without limitation
7 the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 and / or sell copies of the Software, and to permit persons to whom the
9 Software is furnished to do so, subject to the following conditions:
10 
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13 
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 OTHER DEALINGS IN THE SOFTWARE.
21 ============================================================================*/
22 
23 #pragma once
24 
25 #ifdef __cplusplus
26 #if GMM_LOG_AVAILABLE
27 
28 #include "spdlog/spdlog.h"
29 
30 /////////////////////////////////////////////////////////////////////////////////////
31 /// @file Logger.h
32 /// @brief This file contains the functions that are useful for logging in GmmLib
33 /////////////////////////////////////////////////////////////////////////////////////
34 namespace GmmLib
35 {
36     class Logger
37     {
38         private:
39             /// This enum determines where the log goes
40             enum GmmLogMethod
41             {
42                 ToOSLog,                                        ///< Log is sent to OS logging infrastructure (Debugger on Windows)
43                 ToFile,                                         ///< Log is written to file
44             } LogMethod;                                        ///< Indicates which Logging method is preferred
45 
46             spdlog::level::level_enum       LogLevel;           ///< Indicates the max log level to print
47 
48         private:
49             Logger();
50             ~Logger();
51 
52             bool            GmmLogInit();
53 
54         public:
55             std::shared_ptr<spdlog::logger> SpdLogger;          ///< spdlog instance
56 
57             /////////////////////////////////////////////////////////////////////////////////////
58             /// Creates a Logger singlton per process
59             ///
60             /// @remark
61             ///     If there are multiple modules loaded in one process, this singleton will be
62             ///     per module. For example: D3D10 and D3D12 are all used in process A. Both D3D10
63             ///     and D3D12 are built with GmmLib.lib. They are considered to be two modules and
64             ///     each has a Logger instance (singleton).
65             ///
66             /// @return Logger instance
67             /////////////////////////////////////////////////////////////////////////////////////
CreateGmmLogSingleton()68             static Logger& CreateGmmLogSingleton()
69             {
70                 static Logger GmmLoggerPerProc;
71                 return GmmLoggerPerProc;
72             }
73     };
74 } // namespace GmmLib
75 
76 // Macros
77 extern GmmLib::Logger& GmmLoggerPerProc;
78 #endif
79 #endif