X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fscreen.h;h=f66c7aa762e140c5d5d4b7798155b982f9945a2f;hp=d918dd1afc2a9fd0b604b46468939d1e4c247c7f;hb=6229c121e63cf53459cf82cb1eaa8af063da592a;hpb=a851cf197844a2eb15fd5ee2c350ee296e415dca

diff --git a/src/screen.h b/src/screen.h
index d918dd1..f66c7aa 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -59,6 +59,11 @@ namespace IPDF
 
 		void ScreenShot(const char * filename) const;
 		void RenderBMP(const char * filename) const;
+
+		// Returns the CPU time (in seconds) it took to render the last completed frame.
+		double GetLastFrameTimeCPU() const { return m_last_frame_time / SDL_GetPerformanceFrequency(); }
+		// Returns the GPU time (in seconds) it took to render the last completed frame.
+		double GetLastFrameTimeGPU() const;
 	private:
 		void ResizeViewport(int width, int height);
 		void DebugFontFlush();
@@ -67,6 +72,11 @@ namespace IPDF
 		int m_last_mouse_x;
 		int m_last_mouse_y;
 
+		double m_last_frame_time;
+		double m_frame_begin_time;
+		GLuint m_frame_gpu_timer;
+		GLuint m_last_frame_gpu_timer;
+
 		int m_viewport_width;
 		int m_viewport_height;
 		SDL_Window *m_window;