X-Git-Url: https://git.ralfj.de/gltest.git/blobdiff_plain/aa8d6f63cc3b8ce1d8c7473ab59bbc2b2f92010c..46e0af78b821979029c3db50e353192384583f23:/gltest.cpp

diff --git a/gltest.cpp b/gltest.cpp
index 2b6105c..8d296a3 100644
--- a/gltest.cpp
+++ b/gltest.cpp
@@ -7,6 +7,9 @@
 #include <unistd.h>
 #include <assert.h>
 #include <GL/gl.h>
+#include <boost/program_options.hpp>
+
+namespace po = boost::program_options;
 
 // include proper GL connector
 #include "glwindow.h"
@@ -53,10 +56,13 @@ public:
 	TearTestWindow() : GLWindow(XOpenDisplay(0), createGLBackend()), boxPos(0), boxDirection(1)
 	{}
 
+	void setSwapInterval(int i) {
+		getBackend()->setSwapInterval(i);
+	}
+
 protected:
 	virtual void initGL()
 	{
-		getBackend()->setSwapInterval(1);
 		// initialize GL proper
 		glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
 		glDisable(GL_DEPTH_TEST);
@@ -179,7 +185,25 @@ private:
 
 int main(int argc, char ** argv)
 {
+	// program options handling
+	po::options_description desc("Allowed options");
+	desc.add_options()
+		("help,h", "produce help message")
+		("swap-interval,i", po::value<int>(), "set swap interval")
+	;
+	po::variables_map vm;
+	po::store(po::parse_command_line(argc, argv, desc), vm);
+	po::notify(vm);
+
+	if (vm.count("help")) {
+		std::cout << desc << "\n";
+		return 1;
+	}
+
+	// actual program
 	TearTestWindow w;
 	w.open(800, 600);
+	if (vm.count("swap-interval"))
+		w.setSwapInterval(vm["swap-interval"].as<int>());
 	w.exec();
 }