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
30 namespace r600 {
31
32 class stderr_streambuf : public std::streambuf
33 {
34 public:
35 stderr_streambuf();
36 protected:
37 int sync();
38 int overflow(int c);
39 std::streamsize xsputn ( const char *s, std::streamsize n );
40 };
41
stderr_streambuf()42 stderr_streambuf::stderr_streambuf()
43 {
44
45 }
46
sync()47 int stderr_streambuf::sync()
48 {
49 fflush(stderr);
50 return 0;
51 }
52
overflow(int c)53 int stderr_streambuf::overflow(int c)
54 {
55 fputc(c, stderr);
56 return 0;
57 }
58
59 static 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
77 SfnLog sfn_log;
78
xsputn(const char * s,std::streamsize n)79 std::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
SfnLog()87 SfnLog::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
operator <<(SfnLog::LogFlag const l)96 SfnLog& SfnLog::operator << (SfnLog::LogFlag const l)
97 {
98 m_active_log_flags = l;
99 return *this;
100 }
101
operator <<(UNUSED std::ostream & (* f)(std::ostream &))102 SfnLog& 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
operator <<(nir_shader & sh)109 SfnLog& 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
operator <<(nir_instr & instr)116 SfnLog& 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
SfnTrace(SfnLog::LogFlag flag,const char * msg)123 SfnTrace::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
~SfnTrace()131 SfnTrace::~SfnTrace()
132 {
133 sfn_log << m_flag << std::string(" ", 2 * m_indention--)
134 << "END: " << m_msg << "\n";
135 }
136
137 int SfnTrace::m_indention = 0;
138
139 }
140