1 // Copyright 2023 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include <cstdint>
18 #include <cstdio>
19 
20 typedef void (*gfxstream_logger_t)(char severity, const char* file, unsigned int line,
21                int64_t timestamp_us, const char* message);
22 
23 gfxstream_logger_t get_gfx_stream_logger();
24 void set_gfxstream_logger(gfxstream_logger_t f);
25 void set_gfxstream_enable_verbose_logs();
26 void set_gfxstream_enable_log_colors();
27 
28 // Outputs a log line using Google's standard prefix. (http://go/logging#prefix)
29 //
30 // Do not use this function directly. Instead, use one of the logging macros below.
31 // Note that: Logging with the 'D' (Debug) level is the least severe.
32 //
33 // stream: file handle to output to.
34 // severity: single character to indicate severity: 'D', 'V', 'I', 'W', 'E', or 'F'.
35 // file: name of the file where the message comes from (typically __FILE__)
36 // line: line number where the message comes from (typically __LINE__)
37 // timestamp_us: for testing only - timestamp of the log in microseconds since the Unix epoch.
38 //               Pass 0 to use the current time.
39 // format: printf-style format specifier
40 void OutputLog(FILE* stream, char severity, const char* file, unsigned int line,
41                int64_t timestamp_us, const char* format, ...);
42 
43 #define GFXSTREAM_LOG(file, severity, fmt, ...) \
44     OutputLog(file, severity, __FILE__, __LINE__, 0, fmt, ##__VA_ARGS__)
45 
46 //#define ENABLE_GL_LOG 1
47 #if defined(ENABLE_GL_LOG)
48 #define GL_LOG(fmt, ...) GFXSTREAM_LOG(stderr, 'I', fmt, ##__VA_ARGS__)
49 #else
50 #define GL_LOG(...) ((void)0)
51 #endif
52 
53 //#define ENABLE_DECODER_LOG 1
54 #if defined(ENABLE_DECODER_LOG)
55 #define DECODER_DEBUG_LOG(fmt, ...) GFXSTREAM_LOG(stderr, 'I', fmt, ##__VA_ARGS__)
56 #else
57 #define DECODER_DEBUG_LOG(...) ((void)0)
58 #endif
59 
60 //#define ENABLE_DISPATCH_LOG 1
61 #if defined(ENABLE_DISPATCH_LOG)
62 #define DISPATCH_DEBUG_LOG(fmt, ...) GFXSTREAM_LOG(stderr, 'I', fmt, ##__VA_ARGS__)
63 #else
64 #define DISPATCH_DEBUG_LOG(...) ((void)0)
65 #endif
66 
67 #define ERR(fmt, ...)                                   \
68     do {                                                \
69         GFXSTREAM_LOG(stderr, 'E', fmt, ##__VA_ARGS__); \
70     } while (0)
71 
72 #define WARN(fmt, ...)                                  \
73     do {                                                \
74         GFXSTREAM_LOG(stderr, 'W', fmt, ##__VA_ARGS__); \
75     } while (0)
76 
77 #define INFO(fmt, ...)                                  \
78     do {                                                \
79         GFXSTREAM_LOG(stderr, 'I', fmt, ##__VA_ARGS__); \
80     } while (0)
81 
82 #define VERBOSE(fmt, ...)                               \
83     do {                                                \
84         GFXSTREAM_LOG(stderr, 'V', fmt, ##__VA_ARGS__); \
85     } while (0)
86 
87 // Note: FATAL is defined in host-common/include/host-common/GfxstreamFatalError.h
88