wanp/townengine
2
1
Fork 0
Code Issues 8 Pull Requests Packages Projects Releases Wiki Activity

twn_util_c.h: internal profiling api

Browse Source
This commit is contained in:
veclavtalica 2024-11-04 16:04:02 +03:00
parent 4b0d584b7e
commit 26a2bf293f
2 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/twn_util.c
View File

@ -9,6 +9,14 @@
#include <stdarg.h>
static struct ProfileItem {
char const *key;
struct Profile {
uint64_t tick;
} value;
} *profiles;
void cry_impl(const char *file, const int line, const char *title, const char *text) {
SDL_LogCritical(SDL_LOG_CATEGORY_APPLICATION,
"TEARS AT %s:%d: %s ... %s", file, line, title, text);
@ -287,3 +295,19 @@ char *expand_asterisk(const char *mask, const char *to) {
SDL_memcpy(str + (offset - mask) + to_len, offset + 1, mask_len - (offset - mask));
return str;
}
void profile_start(char profile[const static 1]) {
shput(profiles, profile, (struct Profile){ .tick = SDL_GetPerformanceCounter() });
}
void profile_end(char profile[const static 1]) {
struct ProfileItem *p = shgetp_null(profiles, profile);
if (!p) {
log_warn("profile %s wasn't started!", profile);
return;
}
log_info("profile '%s' took: %fsec", profile, (double)(SDL_GetPerformanceCounter() - p->value.tick) / (double)(SDL_GetPerformanceFrequency()));
shdel(profiles, profile);
}

3
src/twn_util_c.h
View File

@ -23,6 +23,9 @@ _Noreturn void die_abruptly(void);
/* note: you must free the returned string */
char *expand_asterisk(const char *mask, const char *to);
void profile_start(char profile[const static 1]);
void profile_end(char profile[const static 1]);
/* http://www.azillionmonkeys.com/qed/sqroot.html */
static inline float fast_sqrt(float x)
{