From a6ec94bcb6af26bc9b6483b89a8b2397a9c8bef9 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sun, 31 Mar 2013 16:00:21 +0200
Subject: [PATCH] add profiler state for clearing the buffer

---
 gltest.cpp | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/gltest.cpp b/gltest.cpp
index 0cae932..ff413af 100644
--- a/gltest.cpp
+++ b/gltest.cpp
@@ -34,8 +34,8 @@ static const GLfloat boxWidth = 0.045f;
 static const GLfloat boxSpeed = 1.25f; // per second
 
 // profiler
-enum ProfilerState { statePreRender, stateDraw, statePresent, statePostRender, stateOutsideRender, numProfilerStates };
-static const char *profilerStateNames[numProfilerStates] = { "Pre-Render", "Drawing", "Presenting", "Post-Render", "Outside renderer"};
+enum ProfilerState { statePreRender, stateClear, stateDraw, statePresent, statePostRender, stateOutsideRender, numProfilerStates };
+static const char *profilerStateNames[numProfilerStates] = { "Pre-Render", "Clearing", "Drawing", "Presenting", "Post-Render", "Outside renderer"};
 
 // utility functions
 static double getTime()
@@ -132,17 +132,20 @@ protected:
 		}
 		lastFrame = time;
 		//////////////////////////////////////////////
-		profilerTick(stateDraw);
+		profilerTick(stateClear);
 		if (overdraw) {
-			glBegin(GL_QUADS);
 			// clear manually
+			glBegin(GL_QUADS);
 			glColor3f(0.0f, 0.0f, 0.0f);
 			drawRect(0, 0, 1, 1);
+			glEnd();
 		}
 		else {
 			glClear(GL_COLOR_BUFFER_BIT);
-			glBegin(GL_QUADS);
 		}
+		//////////////////////////////////////////////
+		profilerTick(stateDraw);
+		glBegin(GL_QUADS);
 		glColor3f(0.8f, 1.0f, 0.75f);
 		drawRect(boxPos, 0, boxPos+boxWidth, 1);
 		glEnd();
@@ -183,8 +186,6 @@ private:
 	double stateTime[numProfilerStates];
 };
 
-
-
 int main(int argc, char ** argv)
 {
 	// program options handling
-- 
2.30.2