graphics

commit 395d2d8f40a05bc10ba31ca3fc1518549f7b472e
parent 57c977f49525dc562a66ab5adba1107c7fe5b5c0
Author: Brian Swetland <swetland@frotz.net>
Date:   Sat,  6 Jul 2013 00:59:20 -0700

common: count fps

Diffstat:
M
common/app.h
 | 
1
+
M
common/glapp.cc
 | 
19
++++++++++++++++++-

2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/common/app.h b/common/app.h
@@ -179,6 +179,7 @@ protected:
 
 	/* keys down */
 	unsigned keystate[16];
+	int fps;
 
 private:
 	int _vsync;
diff --git a/common/glapp.cc b/common/glapp.cc
@@ -16,6 +16,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include <time.h>
+
 #ifdef _WIN32
 #define GLUE_DEFINE_EXTENSIONS 1
 #endif
@@ -107,7 +109,10 @@ int App::start(void) {
 
 	win = SDL_CreateWindow("Application",
 		SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
-		width, height, SDL_WINDOW_OPENGL /* | SDL_WINDOW_RESIZABLE */);
+		width, height, SDL_WINDOW_OPENGL
+	       	// | SDL_WINDOW_RESIZABLE
+		// | SDL_WINDOW_FULLSCREEN
+		);
 
 	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
 	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
@@ -131,6 +136,11 @@ int App::start(void) {
 	if (init())
 		return -1;
 
+	time_t t0, t1;
+	unsigned count;
+	t0 = t1 = time(NULL);
+	count = 0;
+
 	for (;;) {
 		handleEvents();
 
@@ -146,6 +156,13 @@ int App::start(void) {
 		} else {
 			glFlush();
 		}
+		count++;
+		t1 = time(NULL);
+		if (t0 != t1) {
+			fps = count;
+			count = 0;
+			t0 = t1;
+		}
 	}
 	return -1;
 }