1/* -*- mesa-c++  -*-
2 *
3 * Copyright (c) 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#include "util/u_debug.h"
28#include "sfn_debug.h"
29
30namespace r600 {
31
32class stderr_streambuf : public std::streambuf
33{
34public:
35   stderr_streambuf();
36protected:
37   int sync();
38   int overflow(int c);
39   std::streamsize xsputn ( const char *s, std::streamsize n );
40};
41
42stderr_streambuf::stderr_streambuf()
43{
44
45}
46
47int stderr_streambuf::sync()
48{
49   fflush(stderr);
50   return 0;
51}
52
53int stderr_streambuf::overflow(int c)
54{
55   fputc(c, stderr);
56   return 0;
57}
58
59static const struct debug_named_value sfn_debug_options[] = {
60   {"instr", SfnLog::instr, "Log all consumed nir instructions"},
61   {"ir", SfnLog::r600ir, "Log created R600 IR"},
62   {"cc", SfnLog::cc, "Log R600 IR to assembly code creation"},
63   {"noerr", SfnLog::err, "Don't log shader conversion errors"},
64   {"si", SfnLog::shader_info, "Log shader info (non-zero values)"},
65   {"ts", SfnLog::test_shader, "Log shaders in tests"},
66   {"reg", SfnLog::reg, "Log register allocation and lookup"},
67   {"io", SfnLog::io, "Log shader in and output"},
68   {"ass", SfnLog::assembly, "Log IR to assembly conversion"},
69   {"flow", SfnLog::flow, "Log Flow instructions"},
70   {"merge", SfnLog::merge, "Log register merge operations"},
71   {"nomerge", SfnLog::nomerge, "Skip register merge step"},
72   {"tex", SfnLog::tex, "Log texture ops"},
73   {"trans", SfnLog::trans, "Log generic translation messages"},
74   DEBUG_NAMED_VALUE_END
75};
76
77SfnLog sfn_log;
78
79std::streamsize stderr_streambuf::xsputn ( const char *s, std::streamsize n )
80{
81   std::streamsize i = n;
82   while (i--)
83      fputc(*s++, stderr);
84   return n;
85}
86
87SfnLog::SfnLog():
88   m_active_log_flags(0),
89   m_log_mask(0),
90   m_output(new stderr_streambuf())
91{
92   m_log_mask = debug_get_flags_option("R600_NIR_DEBUG", sfn_debug_options, 0);
93   m_log_mask ^= err;
94}
95
96SfnLog& SfnLog::operator << (SfnLog::LogFlag const l)
97{
98   m_active_log_flags = l;
99   return *this;
100}
101
102SfnLog& SfnLog::operator << (UNUSED std::ostream & (*f)(std::ostream&))
103{
104   if (m_active_log_flags & m_log_mask)
105      m_output << f;
106   return *this;
107}
108
109SfnLog& SfnLog::operator << (nir_shader& sh)
110{
111   if (m_active_log_flags & m_log_mask)
112      nir_print_shader(&sh, stderr);
113   return *this;
114}
115
116SfnLog& SfnLog::operator << (nir_instr &instr)
117{
118   if (m_active_log_flags & m_log_mask)
119      nir_print_instr(&instr, stderr);
120   return *this;
121}
122
123SfnTrace::SfnTrace(SfnLog::LogFlag flag, const char *msg):
124   m_flag(flag),
125   m_msg(msg)
126{
127   sfn_log << m_flag << std::string(" ", 2 * m_indention++)
128           << "BEGIN: " << m_msg << "\n";
129}
130
131SfnTrace::~SfnTrace()
132{
133   sfn_log << m_flag << std::string(" ", 2 * m_indention--)
134           << "END:   " << m_msg << "\n";
135}
136
137int SfnTrace::m_indention = 0;
138
139}
140