eco2d/code/game/source/profiler.c

62 lines
1.8 KiB
C

#include "profiler.h"
#include "raylib.h"
#include <assert.h>
#define PROF_COLLATE_WINDOW 0.5
// NOTE(zaklaus): KEEP ORDER IN SYNC WITH profiler_kind ENUM !!!
static profiler profilers[] = {
{ .id = PROF_TOTAL_TIME, .name = "measured time" },
{ .id = PROF_MAIN_LOOP, .name = "main loop" },
{ .id = PROF_WORLD_WRITE, .name = "world write" },
{ .id = PROF_RENDER, .name = "render" },
{ .id = PROF_UPDATE_SYSTEMS, .name = "update systems" },
{ .id = PROF_ENTITY_LERP, .name = "entity lerp" },
{ .id = PROF_ENTITY_REMOVAL, .name = "entity removal" },
};
static_assert((sizeof(profilers)/sizeof(profilers[0])) == MAX_PROF, "mismatched profilers");
void profiler_reset(profiler_kind id) {
profilers[id].num_invocations = 0;
profilers[id].total_time = 0.0;
}
void profiler_start(profiler_kind id) {
profilers[id].start_time = GetTime();
}
void profiler_stop(profiler_kind id) {
profilers[id].num_invocations += 1;
profilers[id].total_time += GetTime() - profilers[id].start_time;
profilers[id].start_time = 0.0;
}
void profiler_collate() {
static double frame_counter = 0.0;
static uint64_t frames = 0;
frame_counter += GetFrameTime();
frames++;
if (frame_counter >= PROF_COLLATE_WINDOW) {
profilers[PROF_TOTAL_TIME].delta_time = frame_counter / (double)frames;
for (uint32_t i = PROF_MAIN_LOOP; i < MAX_PROF; i += 1) {
profiler *p = &profilers[i];
p->delta_time = p->num_invocations == 0 ? 0.0 : p->total_time / (double)p->num_invocations;
}
frame_counter = 0.0;
frames = 0;
}
}
double profiler_delta(profiler_kind id) {
return profilers[id].delta_time;
}
char const *profiler_name(profiler_kind id) {
return profilers[id].name;
}