1 /**************************************************************************
2  *
3  * Copyright 2008 VMware, Inc.
4  * Copyright (c) 2008 VMware, Inc.
5  * All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the
9  * "Software"), to deal in the Software without restriction, including
10  * without limitation the rights to use, copy, modify, merge, publish,
11  * distribute, sub license, and/or sell copies of the Software, and to
12  * permit persons to whom the Software is furnished to do so, subject to
13  * the following conditions:
14  *
15  * The above copyright notice and this permission notice (including the
16  * next paragraph) shall be included in all copies or substantial portions
17  * of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26  *
27  **************************************************************************/
28 
29 
30 #include "pipe/p_config.h"
31 
32 #include "pipe/p_compiler.h"
33 #include "util/u_debug.h"
34 #include "pipe/p_format.h"
35 #include "pipe/p_state.h"
36 #include "util/u_inlines.h"
37 #include "util/u_format.h"
38 #include "util/u_memory.h"
39 #include "util/u_string.h"
40 #include "util/u_math.h"
41 #include "util/u_prim.h"
42 #include <inttypes.h>
43 
44 #include <stdio.h>
45 #include <limits.h> /* CHAR_BIT */
46 #include <ctype.h> /* isalnum */
47 
48 #ifdef _WIN32
49 #include <windows.h>
50 #include <stdlib.h>
51 #endif
52 
53 
54 void
_debug_vprintf(const char * format,va_list ap)55 _debug_vprintf(const char *format, va_list ap)
56 {
57    static char buf[4096] = {'\0'};
58 #if defined(PIPE_OS_WINDOWS) || defined(PIPE_SUBSYSTEM_EMBEDDED)
59    /* We buffer until we find a newline. */
60    size_t len = strlen(buf);
61    int ret = util_vsnprintf(buf + len, sizeof(buf) - len, format, ap);
62    if (ret > (int)(sizeof(buf) - len - 1) || util_strchr(buf + len, '\n')) {
63       os_log_message(buf);
64       buf[0] = '\0';
65    }
66 #else
67    util_vsnprintf(buf, sizeof(buf), format, ap);
68    os_log_message(buf);
69 #endif
70 }
71 
72 
73 void
_pipe_debug_message(struct pipe_debug_callback * cb,unsigned * id,enum pipe_debug_type type,const char * fmt,...)74 _pipe_debug_message(struct pipe_debug_callback *cb,
75                     unsigned *id,
76                     enum pipe_debug_type type,
77                     const char *fmt, ...)
78 {
79    va_list args;
80    va_start(args, fmt);
81    if (cb && cb->debug_message)
82       cb->debug_message(cb->data, id, type, fmt, args);
83    va_end(args);
84 }
85 
86 
87 void
debug_disable_error_message_boxes(void)88 debug_disable_error_message_boxes(void)
89 {
90 #ifdef _WIN32
91    /* When Windows' error message boxes are disabled for this process (as is
92     * typically the case when running tests in an automated fashion) we disable
93     * CRT message boxes too.
94     */
95    UINT uMode = SetErrorMode(0);
96    SetErrorMode(uMode);
97    if (uMode & SEM_FAILCRITICALERRORS) {
98       /* Disable assertion failure message box.
99        * http://msdn.microsoft.com/en-us/library/sas1dkb2.aspx
100        */
101       _set_error_mode(_OUT_TO_STDERR);
102 #ifdef _MSC_VER
103       /* Disable abort message box.
104        * http://msdn.microsoft.com/en-us/library/e631wekh.aspx
105        */
106       _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
107 #endif
108    }
109 #endif /* _WIN32 */
110 }
111 
112 
113 #ifdef DEBUG
114 void
debug_print_blob(const char * name,const void * blob,unsigned size)115 debug_print_blob(const char *name, const void *blob, unsigned size)
116 {
117    const unsigned *ublob = (const unsigned *)blob;
118    unsigned i;
119 
120    debug_printf("%s (%d dwords%s)\n", name, size/4,
121                 size%4 ? "... plus a few bytes" : "");
122 
123    for (i = 0; i < size/4; i++) {
124       debug_printf("%d:\t%08x\n", i, ublob[i]);
125    }
126 }
127 #endif
128 
129 
130 static boolean
debug_get_option_should_print(void)131 debug_get_option_should_print(void)
132 {
133    static boolean first = TRUE;
134    static boolean value = FALSE;
135 
136    if (!first)
137       return value;
138 
139    /* Oh hey this will call into this function,
140     * but its cool since we set first to false
141     */
142    first = FALSE;
143    value = debug_get_bool_option("GALLIUM_PRINT_OPTIONS", FALSE);
144    /* XXX should we print this option? Currently it wont */
145    return value;
146 }
147 
148 
149 const char *
debug_get_option(const char * name,const char * dfault)150 debug_get_option(const char *name, const char *dfault)
151 {
152    const char *result;
153 
154    result = os_get_option(name);
155    if (!result)
156       result = dfault;
157 
158    if (debug_get_option_should_print())
159       debug_printf("%s: %s = %s\n", __FUNCTION__, name,
160                    result ? result : "(null)");
161 
162    return result;
163 }
164 
165 
166 boolean
debug_get_bool_option(const char * name,boolean dfault)167 debug_get_bool_option(const char *name, boolean dfault)
168 {
169    const char *str = os_get_option(name);
170    boolean result;
171 
172    if (str == NULL)
173       result = dfault;
174    else if (!util_strcmp(str, "n"))
175       result = FALSE;
176    else if (!util_strcmp(str, "no"))
177       result = FALSE;
178    else if (!util_strcmp(str, "0"))
179       result = FALSE;
180    else if (!util_strcmp(str, "f"))
181       result = FALSE;
182    else if (!util_strcmp(str, "F"))
183       result = FALSE;
184    else if (!util_strcmp(str, "false"))
185       result = FALSE;
186    else if (!util_strcmp(str, "FALSE"))
187       result = FALSE;
188    else
189       result = TRUE;
190 
191    if (debug_get_option_should_print())
192       debug_printf("%s: %s = %s\n", __FUNCTION__, name,
193                    result ? "TRUE" : "FALSE");
194 
195    return result;
196 }
197 
198 
199 long
debug_get_num_option(const char * name,long dfault)200 debug_get_num_option(const char *name, long dfault)
201 {
202    long result;
203    const char *str;
204 
205    str = os_get_option(name);
206    if (!str) {
207       result = dfault;
208    } else {
209       char *endptr;
210 
211       result = strtol(str, &endptr, 0);
212       if (str == endptr) {
213          /* Restore the default value when no digits were found. */
214          result = dfault;
215       }
216    }
217 
218    if (debug_get_option_should_print())
219       debug_printf("%s: %s = %li\n", __FUNCTION__, name, result);
220 
221    return result;
222 }
223 
224 
225 static boolean
str_has_option(const char * str,const char * name)226 str_has_option(const char *str, const char *name)
227 {
228    /* Empty string. */
229    if (!*str) {
230       return FALSE;
231    }
232 
233    /* OPTION=all */
234    if (!util_strcmp(str, "all")) {
235       return TRUE;
236    }
237 
238    /* Find 'name' in 'str' surrounded by non-alphanumeric characters. */
239    {
240       const char *start = str;
241       unsigned name_len = strlen(name);
242 
243       /* 'start' is the beginning of the currently-parsed word,
244        * we increment 'str' each iteration.
245        * if we find either the end of string or a non-alphanumeric character,
246        * we compare 'start' up to 'str-1' with 'name'. */
247 
248       while (1) {
249          if (!*str || !(isalnum(*str) || *str == '_')) {
250             if (str-start == name_len &&
251                 !memcmp(start, name, name_len)) {
252                return TRUE;
253             }
254 
255             if (!*str) {
256                return FALSE;
257             }
258 
259             start = str+1;
260          }
261 
262          str++;
263       }
264    }
265 
266    return FALSE;
267 }
268 
269 
270 uint64_t
debug_get_flags_option(const char * name,const struct debug_named_value * flags,uint64_t dfault)271 debug_get_flags_option(const char *name,
272                        const struct debug_named_value *flags,
273                        uint64_t dfault)
274 {
275    uint64_t result;
276    const char *str;
277    const struct debug_named_value *orig = flags;
278    unsigned namealign = 0;
279 
280    str = os_get_option(name);
281    if (!str)
282       result = dfault;
283    else if (!util_strcmp(str, "help")) {
284       result = dfault;
285       _debug_printf("%s: help for %s:\n", __FUNCTION__, name);
286       for (; flags->name; ++flags)
287          namealign = MAX2(namealign, strlen(flags->name));
288       for (flags = orig; flags->name; ++flags)
289          _debug_printf("| %*s [0x%0*"PRIx64"]%s%s\n", namealign, flags->name,
290                       (int)sizeof(uint64_t)*CHAR_BIT/4, flags->value,
291                       flags->desc ? " " : "", flags->desc ? flags->desc : "");
292    }
293    else {
294       result = 0;
295       while (flags->name) {
296 	 if (str_has_option(str, flags->name))
297 	    result |= flags->value;
298 	 ++flags;
299       }
300    }
301 
302    if (debug_get_option_should_print()) {
303       if (str) {
304          debug_printf("%s: %s = 0x%"PRIx64" (%s)\n",
305                       __FUNCTION__, name, result, str);
306       } else {
307          debug_printf("%s: %s = 0x%"PRIx64"\n", __FUNCTION__, name, result);
308       }
309    }
310 
311    return result;
312 }
313 
314 
315 void
_debug_assert_fail(const char * expr,const char * file,unsigned line,const char * function)316 _debug_assert_fail(const char *expr, const char *file, unsigned line,
317                    const char *function)
318 {
319    _debug_printf("%s:%u:%s: Assertion `%s' failed.\n",
320                  file, line, function, expr);
321    os_abort();
322 }
323 
324 
325 const char *
debug_dump_enum(const struct debug_named_value * names,unsigned long value)326 debug_dump_enum(const struct debug_named_value *names,
327                 unsigned long value)
328 {
329    static char rest[64];
330 
331    while (names->name) {
332       if (names->value == value)
333 	 return names->name;
334       ++names;
335    }
336 
337    util_snprintf(rest, sizeof(rest), "0x%08lx", value);
338    return rest;
339 }
340 
341 
342 const char *
debug_dump_enum_noprefix(const struct debug_named_value * names,const char * prefix,unsigned long value)343 debug_dump_enum_noprefix(const struct debug_named_value *names,
344                          const char *prefix,
345                          unsigned long value)
346 {
347    static char rest[64];
348 
349    while (names->name) {
350       if (names->value == value) {
351          const char *name = names->name;
352          while (*name == *prefix) {
353             name++;
354             prefix++;
355          }
356          return name;
357       }
358       ++names;
359    }
360 
361    util_snprintf(rest, sizeof(rest), "0x%08lx", value);
362    return rest;
363 }
364 
365 
366 const char *
debug_dump_flags(const struct debug_named_value * names,unsigned long value)367 debug_dump_flags(const struct debug_named_value *names, unsigned long value)
368 {
369    static char output[4096];
370    static char rest[256];
371    int first = 1;
372 
373    output[0] = '\0';
374 
375    while (names->name) {
376       if ((names->value & value) == names->value) {
377 	 if (!first)
378 	    util_strncat(output, "|", sizeof(output) - strlen(output) - 1);
379 	 else
380 	    first = 0;
381 	 util_strncat(output, names->name, sizeof(output) - strlen(output) - 1);
382 	 output[sizeof(output) - 1] = '\0';
383 	 value &= ~names->value;
384       }
385       ++names;
386    }
387 
388    if (value) {
389       if (!first)
390 	 util_strncat(output, "|", sizeof(output) - strlen(output) - 1);
391       else
392 	 first = 0;
393 
394       util_snprintf(rest, sizeof(rest), "0x%08lx", value);
395       util_strncat(output, rest, sizeof(output) - strlen(output) - 1);
396       output[sizeof(output) - 1] = '\0';
397    }
398 
399    if (first)
400       return "0";
401 
402    return output;
403 }
404 
405 
406 #ifdef DEBUG
407 void
debug_print_format(const char * msg,unsigned fmt)408 debug_print_format(const char *msg, unsigned fmt )
409 {
410    debug_printf("%s: %s\n", msg, util_format_name(fmt));
411 }
412 #endif
413 
414 
415 /** Return string name of given primitive type */
416 const char *
u_prim_name(enum pipe_prim_type prim)417 u_prim_name(enum pipe_prim_type prim)
418 {
419    static const struct debug_named_value names[] = {
420       DEBUG_NAMED_VALUE(PIPE_PRIM_POINTS),
421       DEBUG_NAMED_VALUE(PIPE_PRIM_LINES),
422       DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_LOOP),
423       DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_STRIP),
424       DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLES),
425       DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_STRIP),
426       DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_FAN),
427       DEBUG_NAMED_VALUE(PIPE_PRIM_QUADS),
428       DEBUG_NAMED_VALUE(PIPE_PRIM_QUAD_STRIP),
429       DEBUG_NAMED_VALUE(PIPE_PRIM_POLYGON),
430       DEBUG_NAMED_VALUE(PIPE_PRIM_LINES_ADJACENCY),
431       DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_STRIP_ADJACENCY),
432       DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLES_ADJACENCY),
433       DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY),
434       DEBUG_NAMED_VALUE_END
435    };
436    return debug_dump_enum(names, prim);
437 }
438 
439 
440 
441 #ifdef DEBUG
442 int fl_indent = 0;
443 const char* fl_function[1024];
444 
445 int
debug_funclog_enter(const char * f,const int line,const char * file)446 debug_funclog_enter(const char* f, const int line, const char* file)
447 {
448    int i;
449 
450    for (i = 0; i < fl_indent; i++)
451       debug_printf("  ");
452    debug_printf("%s\n", f);
453 
454    assert(fl_indent < 1023);
455    fl_function[fl_indent++] = f;
456 
457    return 0;
458 }
459 
460 void
debug_funclog_exit(const char * f,const int line,const char * file)461 debug_funclog_exit(const char* f, const int line, const char* file)
462 {
463    --fl_indent;
464    assert(fl_indent >= 0);
465    assert(fl_function[fl_indent] == f);
466 }
467 
468 void
debug_funclog_enter_exit(const char * f,const int line,const char * file)469 debug_funclog_enter_exit(const char* f, const int line, const char* file)
470 {
471    int i;
472    for (i = 0; i < fl_indent; i++)
473       debug_printf("  ");
474    debug_printf("%s\n", f);
475 }
476 #endif
477 
478 
479 
480 #ifdef DEBUG
481 /**
482  * Print PIPE_TRANSFER_x flags with a message.
483  */
484 void
debug_print_transfer_flags(const char * msg,unsigned usage)485 debug_print_transfer_flags(const char *msg, unsigned usage)
486 {
487    static const struct debug_named_value names[] = {
488       DEBUG_NAMED_VALUE(PIPE_TRANSFER_READ),
489       DEBUG_NAMED_VALUE(PIPE_TRANSFER_WRITE),
490       DEBUG_NAMED_VALUE(PIPE_TRANSFER_MAP_DIRECTLY),
491       DEBUG_NAMED_VALUE(PIPE_TRANSFER_DISCARD_RANGE),
492       DEBUG_NAMED_VALUE(PIPE_TRANSFER_DONTBLOCK),
493       DEBUG_NAMED_VALUE(PIPE_TRANSFER_UNSYNCHRONIZED),
494       DEBUG_NAMED_VALUE(PIPE_TRANSFER_FLUSH_EXPLICIT),
495       DEBUG_NAMED_VALUE(PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE),
496       DEBUG_NAMED_VALUE(PIPE_TRANSFER_PERSISTENT),
497       DEBUG_NAMED_VALUE(PIPE_TRANSFER_COHERENT),
498       DEBUG_NAMED_VALUE_END
499    };
500 
501    debug_printf("%s: %s\n", msg, debug_dump_flags(names, usage));
502 }
503 
504 
505 /**
506  * Print PIPE_BIND_x flags with a message.
507  */
508 void
debug_print_bind_flags(const char * msg,unsigned usage)509 debug_print_bind_flags(const char *msg, unsigned usage)
510 {
511    static const struct debug_named_value names[] = {
512       DEBUG_NAMED_VALUE(PIPE_BIND_DEPTH_STENCIL),
513       DEBUG_NAMED_VALUE(PIPE_BIND_RENDER_TARGET),
514       DEBUG_NAMED_VALUE(PIPE_BIND_BLENDABLE),
515       DEBUG_NAMED_VALUE(PIPE_BIND_SAMPLER_VIEW),
516       DEBUG_NAMED_VALUE(PIPE_BIND_VERTEX_BUFFER),
517       DEBUG_NAMED_VALUE(PIPE_BIND_INDEX_BUFFER),
518       DEBUG_NAMED_VALUE(PIPE_BIND_CONSTANT_BUFFER),
519       DEBUG_NAMED_VALUE(PIPE_BIND_DISPLAY_TARGET),
520       DEBUG_NAMED_VALUE(PIPE_BIND_STREAM_OUTPUT),
521       DEBUG_NAMED_VALUE(PIPE_BIND_CURSOR),
522       DEBUG_NAMED_VALUE(PIPE_BIND_CUSTOM),
523       DEBUG_NAMED_VALUE(PIPE_BIND_GLOBAL),
524       DEBUG_NAMED_VALUE(PIPE_BIND_SHADER_BUFFER),
525       DEBUG_NAMED_VALUE(PIPE_BIND_SHADER_IMAGE),
526       DEBUG_NAMED_VALUE(PIPE_BIND_COMPUTE_RESOURCE),
527       DEBUG_NAMED_VALUE(PIPE_BIND_COMMAND_ARGS_BUFFER),
528       DEBUG_NAMED_VALUE(PIPE_BIND_SCANOUT),
529       DEBUG_NAMED_VALUE(PIPE_BIND_SHARED),
530       DEBUG_NAMED_VALUE(PIPE_BIND_LINEAR),
531       DEBUG_NAMED_VALUE_END
532    };
533 
534    debug_printf("%s: %s\n", msg, debug_dump_flags(names, usage));
535 }
536 
537 
538 /**
539  * Print PIPE_USAGE_x enum values with a message.
540  */
541 void
debug_print_usage_enum(const char * msg,enum pipe_resource_usage usage)542 debug_print_usage_enum(const char *msg, enum pipe_resource_usage usage)
543 {
544    static const struct debug_named_value names[] = {
545       DEBUG_NAMED_VALUE(PIPE_USAGE_DEFAULT),
546       DEBUG_NAMED_VALUE(PIPE_USAGE_IMMUTABLE),
547       DEBUG_NAMED_VALUE(PIPE_USAGE_DYNAMIC),
548       DEBUG_NAMED_VALUE(PIPE_USAGE_STREAM),
549       DEBUG_NAMED_VALUE(PIPE_USAGE_STAGING),
550       DEBUG_NAMED_VALUE_END
551    };
552 
553    debug_printf("%s: %s\n", msg, debug_dump_enum(names, usage));
554 }
555 
556 
557 #endif
558