1 /* -*- mesa-c++ -*- 2 * 3 * Copyright (c) 2018-2019 Collabora LTD 4 * 5 * Author: Gert Wollny <gert.wollny@collabora.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * on the rights to use, copy, modify, merge, publish, distribute, sub 11 * license, and/or sell copies of the Software, and to permit persons to whom 12 * the Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 27 #ifndef SFN_STDERR_STREAMLOG_H 28 #define SFN_STDERR_STREAMLOG_H 29 30 31 #include <streambuf> 32 #include <ostream> 33 #include <fstream> 34 #include "compiler/nir/nir.h" 35 36 namespace r600 { 37 /* Implement some logging for shader-from-nir 38 39 */ 40 41 class stderr_streambuf : public std::streambuf 42 { 43 public: 44 stderr_streambuf(); 45 protected: 46 int sync(); 47 int overflow(int c); 48 std::streamsize xsputn ( const char *s, std::streamsize n ); 49 }; 50 51 class SfnLog { 52 public: 53 enum LogFlag { 54 instr = 1 << 0, 55 r600ir = 1 << 1, 56 cc = 1 << 2, 57 err = 1 << 3, 58 shader_info = 1 << 4, 59 test_shader = 1 << 5, 60 reg = 1 << 6, 61 io = 1 << 7, 62 assembly = 1 << 8, 63 flow = 1 << 9, 64 merge = 1 << 10, 65 tex = 1 << 11, 66 trans = 1 << 12, 67 schedule = 1 << 13, 68 opt = 1 << 14, 69 all = (1 << 15) - 1, 70 nomerge = 1 << 16, 71 steps = 1 << 17, 72 noopt = 1 << 18 73 }; 74 75 SfnLog(); 76 77 /** a special handling to set the output level "inline" 78 \param l the level of the following messages 79 */ 80 SfnLog& operator << (LogFlag const l); 81 82 /* general output routine; output is only given, if the log flags and the 83 * currently active log mask overlap 84 \returns a reference to this object 85 */ 86 template <class T> 87 SfnLog& operator << (const T& text) 88 { 89 if (m_active_log_flags & m_log_mask) 90 m_output << text; 91 92 return *this; 93 } 94 95 /* A funny construct to enable std::endl to work on this stream 96 idea of Dave Brondsema: 97 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=8567 98 */ 99 SfnLog& operator << (std::ostream & (*f)(std::ostream&)); 100 101 SfnLog& operator << (nir_shader &sh); 102 103 SfnLog& operator << (nir_instr& instr); 104 has_debug_flag(uint64_t flag)105 int has_debug_flag(uint64_t flag) { 106 return (m_log_mask & flag) == flag; 107 } 108 109 private: 110 uint64_t m_active_log_flags; 111 uint64_t m_log_mask; 112 stderr_streambuf m_buf; 113 std::ostream m_output; 114 }; 115 116 class SfnTrace { 117 public: 118 SfnTrace(SfnLog::LogFlag flag, const char *msg); 119 ~SfnTrace(); 120 private: 121 SfnLog::LogFlag m_flag; 122 const char *m_msg; 123 static int m_indention; 124 }; 125 126 127 #ifndef NDEBUG 128 #define SFN_TRACE_FUNC(LEVEL, MSG) SfnTrace __trace(LEVEL, MSG) 129 #else 130 #define SFN_TRACE_FUNC(LEVEL, MSG) 131 #endif 132 133 extern SfnLog sfn_log; 134 135 } 136 #endif // SFN_STDERR_STREAMBUF_H 137