X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fprofiler.cpp;fp=src%2Fprofiler.cpp;h=f718637d72e6057e1f95a594bb6a9ea4115786fb;hp=0000000000000000000000000000000000000000;hb=f0b6c9b6b95fde134927c395afbfbbbc057868e6;hpb=6c0dfe752994312ee58d307b383948bfeb2d6e2e

diff --git a/src/profiler.cpp b/src/profiler.cpp
new file mode 100644
index 0000000..f718637
--- /dev/null
+++ b/src/profiler.cpp
@@ -0,0 +1,41 @@
+#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;
+	}
+}