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      1 /* -*- mesa-c++  -*-
      2  *
      3  * Copyright (c) 2018-2019 Collabora LTD
      4  *
      5  * Author: Gert Wollny <gert.wollny (at) 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 SfnLog {
     42 public:
     43    enum LogFlag {
     44       instr = 1 << 0,
     45       r600ir = 1 << 1,
     46       cc     = 1 << 2,
     47       err    = 1 << 3,
     48       shader_info = 1 << 4,
     49       test_shader = 1 << 5,
     50       reg = 1 << 6,
     51       io = 1 << 7,
     52       assembly = 1 << 8,
     53       flow = 1 << 9,
     54       merge = 1 << 10,
     55       tex = 1 << 11,
     56       trans = 1 << 12,
     57       all = (1 << 13) - 1,
     58       nomerge = 1 << 16,
     59    };
     60 
     61    SfnLog();
     62 
     63    /** a special handling to set the output level "inline"
     64        \param l the level of the following messages
     65      */
     66    SfnLog& operator << (LogFlag const l);
     67 
     68    /* general output routine; output is only given, if the log flags and the
     69     * currently active log mask overlap
     70       \returns a reference to this object
     71    */
     72    template <class T>
     73    SfnLog& operator << (const T&  text)
     74    {
     75       if (m_active_log_flags & m_log_mask)
     76          m_output << text;
     77 
     78       return *this;
     79    }
     80 
     81    /* A funny construct to enable std::endl to work on this stream
     82       idea of Dave Brondsema:
     83       http://gcc.gnu.org/bugzilla/show_bug.cgi?id=8567
     84     */
     85    SfnLog& operator << (std::ostream & (*f)(std::ostream&));
     86 
     87    SfnLog& operator << (nir_shader &sh);
     88 
     89    SfnLog& operator << (nir_instr& instr);
     90 
     91    int has_debug_flag(uint64_t flag) {
     92       return (m_log_mask & flag) == flag;
     93    }
     94 
     95 private:
     96    uint64_t m_active_log_flags;
     97    uint64_t m_log_mask;
     98    std::ostream m_output;
     99 };
    100 
    101 class SfnTrace {
    102 public:
    103    SfnTrace(SfnLog::LogFlag flag, const char *msg);
    104    ~SfnTrace();
    105 private:
    106    SfnLog::LogFlag m_flag;
    107    const char *m_msg;
    108    static int m_indention;
    109 };
    110 
    111 
    112 #ifndef NDEBUG
    113 #define SFN_TRACE_FUNC(LEVEL, MSG) SfnTrace __trace(LEVEL, MSG)
    114 #else
    115 #define SFN_TRACE_FUNC(LEVEL, MSG)
    116 #endif
    117 
    118 extern SfnLog sfn_log;
    119 
    120 }
    121 #endif // SFN_STDERR_STREAMBUF_H
    122