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https://gitlab.freedesktop.org/mesa/vulkan-wsi-layer.git
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f514b0571d
Introduce a logging mechanism in the layer for replacing the old ones used in individual files. Change-Id: I7559f8a99396eeb0b9da6e5ef58cc4b7bd5a82af Signed-off-by: Fufu Fang <fufu.fang@arm.com>
67 lines
No EOL
2.7 KiB
C++
67 lines
No EOL
2.7 KiB
C++
/*
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* Copyright (c) 2021 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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namespace util
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{
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#define WSI_DEFAULT_LOG_LEVEL 1
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/**
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* @brief Log a message to a certain log level
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*
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* @details For the log level, we use a bigger integer to represent an increased
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* level of verbosity. If this is not specified, the log level is default to 1.
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* We use a "staircase" approach with respect to printing logs. We print all log
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* messages equal or below the log level set, e.g. if VULKAN_WSI_DEBUG_LEVEL
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* is set to 2, messages with log level 1 and 2 are printed. Please note that
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* the newline character '\n' is automatically appended.
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*
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* @param[in] level The log level of this message, you can set an arbitary
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* integer however please refer to the included macros for
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* the sensible defaults.
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* @param[in] file The source file name (``__FILE__``)
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* @param[in] line The source file line number (``__LINE__``)
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* @param[in] format A C-style formatting string.
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*/
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void wsi_log_message(int level, const char *file, int line, const char *format, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 4, 5)))
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#endif
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;
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#ifdef NDEBUG
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static constexpr bool wsi_log_enable = false;
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#else
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static constexpr bool wsi_log_enable = true;
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#endif
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#define WSI_LOG(level, ...) \
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do { if (::util::wsi_log_enable) ::util::wsi_log_message(level, __FILE__, __LINE__, __VA_ARGS__); } while (0)
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#define WSI_LOG_ERROR(...) WSI_LOG(1, __VA_ARGS__)
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#define WSI_LOG_WARNING(...) WSI_LOG(2, __VA_ARGS__)
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#define WSI_LOG_INFO(...) WSI_LOG(3, __VA_ARGS__)
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} /* namespace util */ |