diff options
| -rw-r--r-- | src/gallium/auxiliary/util/p_debug.c | 59 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_debug.h | 49 |
2 files changed, 108 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/p_debug.c b/src/gallium/auxiliary/util/p_debug.c index bb84e8096d2..bd3a0221eaa 100644 --- a/src/gallium/auxiliary/util/p_debug.c +++ b/src/gallium/auxiliary/util/p_debug.c @@ -52,6 +52,9 @@ rpl_EngDebugPrint(const char *format, ...) } int rpl_vsnprintf(char *, size_t, const char *, va_list); +int rpl_snprintf(char *str, size_t size, const char *format, ...); +#define vsnprintf rpl_vsnprintf +#define snprintf rpl_snprintf #endif @@ -181,3 +184,59 @@ void debug_mask_vprintf(uint32_t uuid, uint32_t what, const char *format, va_lis if(mask & what) debug_vprintf(format, ap); } + + +const char * +debug_dump_enum(const struct debug_named_value *names, + unsigned long value) +{ + static char rest[256]; + + while(names->name) { + if(names->value == value) + return names->name; + ++names; + } + + snprintf(rest, sizeof(rest), "0x%08x", value); + return rest; +} + + +const char * +debug_dump_flags(const struct debug_named_value *names, + unsigned long value) +{ + static char output[4096]; + static char rest[256]; + int first = 1; + + output[0] = '\0'; + + while(names->name) { + if((names->value & value) == names->value) { + if (!first) + strncat(output, "|", sizeof(output)); + else + first = 0; + strncat(output, names->name, sizeof(output)); + value &= ~names->value; + } + ++names; + } + + if (value) { + if (!first) + strncat(output, "|", sizeof(output)); + else + first = 0; + + snprintf(rest, sizeof(rest), "0x%08x", value); + strncat(output, rest, sizeof(output)); + } + + if(first) + return "0"; + + return output; +} diff --git a/src/gallium/include/pipe/p_debug.h b/src/gallium/include/pipe/p_debug.h index f3dfa062161..e924c1ef606 100644 --- a/src/gallium/include/pipe/p_debug.h +++ b/src/gallium/include/pipe/p_debug.h @@ -168,6 +168,55 @@ void debug_mask_vprintf(uint32_t uuid, #endif +/** + * Used by debug_dump_enum and debug_dump_flags to describe symbols. + */ +struct debug_named_value +{ + const char *name; + unsigned long value; +}; + + +/** + * Some C pre-processor magic to simplify creating named values. + * + * Example: + * @code + * static const debug_named_value my_names[] = { + * DEBUG_NAMED_VALUE(MY_ENUM_VALUE_X), + * DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Y), + * DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Z), + * DEBUG_NAMED_VALUE_END + * }; + * + * ... + * debug_printf("%s = %s\n", + * name, + * debug_dump_enum(my_names, my_value)); + * ... + * @endcode + */ +#define DEBUG_NAMED_VALUE(__symbol) {#__symbol, (unsigned long)__symbol} +#define DEBUG_NAMED_VALUE_END {NULL, 0} + + +/** + * Convert a enum value to a string. + */ +const char * +debug_dump_enum(const struct debug_named_value *names, + unsigned long value); + + +/** + * Convert binary flags value to a string. + */ +const char * +debug_dump_flags(const struct debug_named_value *names, + unsigned long value); + + #ifdef __cplusplus } #endif |