2 * Copyright (c) 2021 Arm Limited.
4 * SPDX-License-Identifier: MIT
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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39 * @brief check if a log level is enabled, and print it
41 static int check_and_print_log_level(int level)
45 int level = WSI_DEFAULT_LOG_LEVEL;
48 char *env = std::getenv("VULKAN_WSI_DEBUG_LEVEL");
53 level = std::stoi(env);
55 catch (const std::exception &e)
57 std::fprintf(stderr, "Error: %s\n", e.what());
62 static log_state state;
64 int result = level <= state.level;
70 /* Reserved for no logging */
73 std::fprintf(stderr, "ERROR");
76 std::fprintf(stderr, "WARNING");
79 std::fprintf(stderr, "INFO");
82 std::fprintf(stderr, "LEVEL_%d", level);
89 void wsi_log_message(int level, const char *file, int line, const char *format, ...)
91 if (check_and_print_log_level(level))
93 std::fprintf(stderr, "(%s:%d): ", file, line);
95 va_start(args, format);
96 std::vfprintf(stderr, format, args);
98 std::putc('\n', stderr);
104 } /* namespace util */