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