diff options
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/auxiliary/util/p_debug.c | 144 | ||||
-rw-r--r-- | src/gallium/include/pipe/p_debug.h | 27 |
2 files changed, 171 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/p_debug.c b/src/gallium/auxiliary/util/p_debug.c index bd58e0e3a8..351de95c95 100644 --- a/src/gallium/auxiliary/util/p_debug.c +++ b/src/gallium/auxiliary/util/p_debug.c @@ -107,6 +107,150 @@ void _debug_break(void) #endif } + +#ifdef WIN32 +static const char * +find(const char *start, const char *end, char c) +{ + const char *p; + for(p = start; !end || p != end; ++p) { + if(*p == c) + return p; + if(*p < 32) + break; + } + return NULL; +} + +static int +compare(const char *start, const char *end, const char *s) +{ + const char *p, *q; + for(p = start, q = s; p != end && *q != '\0'; ++p, ++q) { + if(*p != *q) + return 0; + } + return p == end && *q == '\0'; +} + +static void +copy(char *dst, const char *start, const char *end, size_t n) +{ + const char *p; + char *q; + for(p = start, q = dst, n = n - 1; p != end && n; ++p, ++q, --n) + *q = *p; + *q = '\0'; +} +#endif + + +const char * +debug_get_option(const char *name, const char *dfault) +{ + const char *result; +#ifdef WIN32 + ULONG_PTR iFile = 0; + const void *pMap = NULL; + const char *sol, *eol, *sep; + static char output[1024]; + + pMap = EngMapFile(L"\\??\\c:\\gallium.cfg", 0, &iFile); + if(!pMap) + result = dfault; + else { + sol = (const char *)pMap; + while(1) { + /* TODO: handle LF line endings */ + eol = find(sol, NULL, '\r'); + if(!eol || eol == sol) + break; + sep = find(sol, eol, '='); + if(!sep) + break; + if(compare(sol, sep, name)) { + copy(output, sep + 1, eol, sizeof(output)); + result = output; + break; + } + sol = eol + 2; + } + EngUnmapFile(iFile); + } +#else + + result = getenv(name); + if(!result) + result = dfault; +#endif + + if(result) + debug_printf("%s: %s = %s\n", __FUNCTION__, name, result); + else + debug_printf("%s: %s = (null)\n", __FUNCTION__, name); + + return result; +} + +boolean +debug_get_bool_option(const char *name, boolean dfault) +{ + const char *str = debug_get_option(name, NULL); + boolean result; + + if(str == NULL) + result = dfault; + else if(!strcmp(str, "no")) + result = FALSE; + else if(!strcmp(str, "0")) + result = FALSE; + else if(!strcmp(str, "f")) + result = FALSE; + else if(!strcmp(str, "false")) + result = FALSE; + else + result = TRUE; + + debug_printf("%s: %s = %s\n", __FUNCTION__, name, result ? "TRUE" : "FALSE"); + + return result; +} + + +long +debug_get_num_option(const char *name, long dfault) +{ + /* FIXME */ + return dfault; +} + + +unsigned long +debug_get_flags_option(const char *name, + const struct debug_named_value *flags, + unsigned long dfault) +{ + unsigned long result; + const char *str; + + str = debug_get_option(name, NULL); + if(!str) + result = dfault; + else { + result = 0; + while( flags->name ) { + if (!strcmp(str, "all") || strstr(str, flags->name )) + result |= flags->value; + ++flags; + } + } + + debug_printf("%s: %s = 0x%lx\n", __FUNCTION__, name, result); + + return result; +} + + #if defined(WIN32) ULONG_PTR debug_config_file = 0; void *mapped_config_file = 0; diff --git a/src/gallium/include/pipe/p_debug.h b/src/gallium/include/pipe/p_debug.h index 494cc3bb71..95bdf2d3b9 100644 --- a/src/gallium/include/pipe/p_debug.h +++ b/src/gallium/include/pipe/p_debug.h @@ -256,6 +256,33 @@ debug_dump_flags(const struct debug_named_value *names, unsigned long value); +/** + * Get option. + * + * It is an alias for getenv on Linux. + * + * On Windows it reads C:\gallium.cfg, which is a text file with CR+LF line + * endings with one option per line as + * + * NAME=value + * + * This file must be terminated with an extra empty line. + */ +const char * +debug_get_option(const char *name, const char *dfault); + +boolean +debug_get_bool_option(const char *name, boolean dfault); + +long +debug_get_unsigned_option(const char *name, long dfault); + +unsigned long +debug_get_flags_option(const char *name, + const struct debug_named_value *flags, + unsigned long dfault); + + void * debug_malloc(const char *file, unsigned line, const char *function, size_t size); |