--- /dev/null
+#include "profiler.h"
+#include "log.h"
+
+#include "SDL.h"
+
+using namespace IPDF;
+
+Profiler IPDF::g_profiler;
+
+void Profiler::BeginZone(std::string name)
+{
+ if (!m_zones.count(name))
+ m_zones[name] = ProfileZone{0,0,0,0,0,0};
+ m_zones[name].tics_begin = SDL_GetPerformanceCounter();
+ m_zone_stack.push(name);
+}
+
+void Profiler::EndZone()
+{
+ std::string name = m_zone_stack.top();
+ m_zone_stack.pop();
+ m_zones[name].tics_end = SDL_GetPerformanceCounter();
+ m_zones[name].tics_frame += m_zones[name].tics_end - m_zones[name].tics_begin;
+ m_zones[name].tics_total += m_zones[name].tics_end - m_zones[name].tics_begin;
+ m_zones[name].calls_frame++;
+ m_zones[name].calls_total++;
+}
+
+void Profiler::EndFrame()
+{
+ // Zero all of the frame counts
+ for (auto& it : m_zones)
+ {
+ if (m_enabled)
+ {
+ printf("perf_zone\t\"%s\"\t%lu %lu\t%lu %lu\n", it.first.c_str(), it.second.tics_frame * 1000 / SDL_GetPerformanceFrequency(), it.second.calls_frame, it.second.tics_total * 1000 / SDL_GetPerformanceFrequency(), it.second.calls_total);
+ }
+ it.second.tics_frame = 0;
+ it.second.calls_frame = 0;
+ }
+}