Add vsync command line options to demos

4 files changed, 23 insertions, 6 deletions

diff --git a/examples/pugl_embed_demo.c b/examples/pugl_embed_demo.c
index b122253..96df463 100644
--- a/examples/pugl_embed_demo.c
+++ b/examples/pugl_embed_demo.c
@@ -280,7 +280,7 @@ main(int argc, char** argv)
 	puglSetViewHint(app.parent, PUGL_RESIZABLE, opts.resizable);
 	puglSetViewHint(app.parent, PUGL_SAMPLES, opts.samples);
 	puglSetViewHint(app.parent, PUGL_DOUBLE_BUFFER, opts.doubleBuffer);
-	puglSetViewHint(app.parent, PUGL_SWAP_INTERVAL, opts.doubleBuffer);
+	puglSetViewHint(app.parent, PUGL_SWAP_INTERVAL, opts.sync);
 	puglSetViewHint(app.parent, PUGL_IGNORE_KEY_REPEAT, opts.ignoreKeyRepeat);
 	puglSetHandle(app.parent, &app);
 	puglSetEventFunc(app.parent, onParentEvent);
@@ -299,7 +299,7 @@ main(int argc, char** argv)
 	puglSetViewHint(app.child, PUGL_USE_DEBUG_CONTEXT, opts.errorChecking);
 	puglSetViewHint(app.child, PUGL_SAMPLES, opts.samples);
 	puglSetViewHint(app.child, PUGL_DOUBLE_BUFFER, opts.doubleBuffer);
-	puglSetViewHint(app.child, PUGL_SWAP_INTERVAL, 0);
+	puglSetViewHint(app.child, PUGL_SWAP_INTERVAL, opts.sync);
 	puglSetBackend(app.child, puglGlBackend());
 	puglSetViewHint(app.child, PUGL_IGNORE_KEY_REPEAT, opts.ignoreKeyRepeat);
 	puglSetHandle(app.child, &app);
diff --git a/examples/pugl_gl3_demo.c b/examples/pugl_gl3_demo.c
index 52c5dd3..9efe185 100644
--- a/examples/pugl_gl3_demo.c
+++ b/examples/pugl_gl3_demo.c
@@ -268,7 +268,7 @@ main(int argc, char** argv)
 	puglSetViewHint(app.view, PUGL_RESIZABLE, app.opts.resizable);
 	puglSetViewHint(app.view, PUGL_SAMPLES, app.opts.samples);
 	puglSetViewHint(app.view, PUGL_DOUBLE_BUFFER, app.opts.doubleBuffer);
-	puglSetViewHint(app.view, PUGL_SWAP_INTERVAL, app.opts.doubleBuffer);
+	puglSetViewHint(app.view, PUGL_SWAP_INTERVAL, app.opts.sync);
 	puglSetViewHint(app.view, PUGL_IGNORE_KEY_REPEAT, PUGL_TRUE);
 	puglSetHandle(app.view, &app);
 	puglSetEventFunc(app.view, onEvent);
diff --git a/examples/pugl_window_demo.c b/examples/pugl_window_demo.c
index e9c09a3..fdcd8cb 100644
--- a/examples/pugl_window_demo.c
+++ b/examples/pugl_window_demo.c
@@ -201,7 +201,7 @@ main(int argc, char** argv)
 		puglSetViewHint(view, PUGL_RESIZABLE, opts.resizable);
 		puglSetViewHint(view, PUGL_SAMPLES, opts.samples);
 		puglSetViewHint(view, PUGL_DOUBLE_BUFFER, opts.doubleBuffer);
-		puglSetViewHint(view, PUGL_SWAP_INTERVAL, 0);//opts.doubleBuffer && i == 0);
+		puglSetViewHint(view, PUGL_SWAP_INTERVAL, opts.sync);
 		puglSetViewHint(view, PUGL_IGNORE_KEY_REPEAT, opts.ignoreKeyRepeat);
 		puglSetHandle(view, cube);
 		puglSetEventFunc(view, onEvent);
diff --git a/test/test_utils.h b/test/test_utils.h
index 6a2a644..b79c0b9 100644
--- a/test/test_utils.h
+++ b/test/test_utils.h
@@ -25,6 +25,7 @@
 typedef struct {
 	int  samples;
 	int  doubleBuffer;
+	int  sync;
 	bool continuous;
 	bool help;
 	bool ignoreKeyRepeat;
@@ -165,17 +166,29 @@ puglPrintTestUsage(const char* prog, const char* posHelp)
 	       "  -c  Continuously animate and draw\n"
 	       "  -d  Enable double-buffering\n"
 	       "  -e  Enable platform error-checking\n"
+	       "  -f  Fast drawing, explicitly disable vertical sync\n"
 	       "  -h  Display this help\n"
 	       "  -i  Ignore key repeat\n"
 	       "  -v  Print verbose output\n"
-	       "  -r  Resizable window\n",
+	       "  -r  Resizable window\n"
+	       "  -s  Explicitly enable vertical sync\n",
 	       prog, posHelp);
 }
 
 static inline PuglTestOptions
 puglParseTestOptions(int* pargc, char*** pargv)
 {
-	PuglTestOptions opts = { 0, 0, false, false, false, false, false, false };
+	PuglTestOptions opts = {
+	    0,
+	    0,
+	    PUGL_DONT_CARE,
+	    false,
+	    false,
+	    false,
+	    false,
+	    false,
+	    false,
+	};
 
 	char** const argv = *pargv;
 	int          i    = 1;
@@ -188,6 +201,8 @@ puglParseTestOptions(int* pargc, char*** pargv)
 			opts.doubleBuffer = PUGL_TRUE;
 		} else if (!strcmp(argv[i], "-e")) {
 			opts.errorChecking = PUGL_TRUE;
+		} else if (!strcmp(argv[i], "-f")) {
+			opts.sync = PUGL_FALSE;
 		} else if (!strcmp(argv[i], "-h")) {
 			opts.help = true;
 			return opts;
@@ -195,6 +210,8 @@ puglParseTestOptions(int* pargc, char*** pargv)
 			opts.ignoreKeyRepeat = true;
 		} else if (!strcmp(argv[i], "-r")) {
 			opts.resizable = true;
+		} else if (!strcmp(argv[i], "-s")) {
+			opts.sync = PUGL_TRUE;
 		} else if (!strcmp(argv[i], "-v")) {
 			opts.verbose = true;
 		} else if (argv[i][0] != '-') {