measure elapsed time for search

1 files changed, 13 insertions, 0 deletions

diff --git a/src/main_windows.cpp b/src/main_windows.cpp
index 61f9876..f657042 100644
--- a/src/main_windows.cpp
+++ b/src/main_windows.cpp
@@ -33,6 +33,7 @@ static HGLRC            g_hRC;
 static WGL_WindowData   g_MainWindow;
 static int              g_Width;
 static int              g_Height;
+LARGE_INTEGER 			Frequency;
 
 bool CreateDeviceWGL(HWND hWnd, WGL_WindowData* data);
 void CleanupDeviceWGL(HWND hWnd, WGL_WindowData* data);
@@ -50,6 +51,16 @@ static const char* _ts_platform_get_config_file_path(char* buffer) {
 	return 0;
 }
 
+uint64_t ts_platform_get_time(uint64_t compare)
+{
+	LARGE_INTEGER stamp;
+	QueryPerformanceCounter(&stamp);
+	if (compare != 0) {
+		return (stamp.QuadPart - compare) * 1000 / Frequency.QuadPart;
+	}
+	return stamp.QuadPart;
+}
+
 int main(int, char**)
 {
     // Create application window
@@ -92,6 +103,8 @@ int main(int, char**)
     ImGui_ImplWin32_InitForOpenGL(hwnd);
     ImGui_ImplOpenGL3_Init();
 
+	QueryPerformanceFrequency(&Frequency);
+
 	ts_init();
 	ts_load_images();