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authorBrian Paul <brian.paul@tungstengraphics.com>2000-09-29 23:09:39 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2000-09-29 23:09:39 +0000
commit4f66498304674aa2e016267e4d6c4b878c3ad1e5 (patch)
treec4e3236c9baf737b86cc6abecfd449928882b41d
parente92dd16605dbad8dbf374ca40b8440ef4034a5d4 (diff)
added fps output
-rw-r--r--progs/demos/texcyl.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/progs/demos/texcyl.c b/progs/demos/texcyl.c
index cd30438605..a0e6224999 100644
--- a/progs/demos/texcyl.c
+++ b/progs/demos/texcyl.c
@@ -1,4 +1,4 @@
-/* $Id: texcyl.c,v 1.2 1999/10/21 16:39:06 brianp Exp $ */
+/* $Id: texcyl.c,v 1.3 2000/09/29 23:09:39 brianp Exp $ */
/*
* Textured cylinder demo: lighting, texturing, reflection mapping.
@@ -12,6 +12,9 @@
/*
* $Log: texcyl.c,v $
+ * Revision 1.3 2000/09/29 23:09:39 brianp
+ * added fps output
+ *
* Revision 1.2 1999/10/21 16:39:06 brianp
* added -info command line option
*
@@ -56,6 +59,10 @@ static GLboolean Animate = GL_TRUE;
static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
static GLfloat DXrot = 1.0, DYrot = 2.5;
+/* performance info */
+static GLint T0 = 0;
+static GLint Frames = 0;
+
static void Idle( void )
{
@@ -81,6 +88,18 @@ static void Display( void )
glPopMatrix();
glutSwapBuffers();
+
+ if (Animate) {
+ GLint t = glutGet(GLUT_ELAPSED_TIME);
+ Frames++;
+ if (t - T0 >= 5000) {
+ GLfloat seconds = (t - T0) / 1000.0;
+ GLfloat fps = Frames / seconds;
+ printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+ T0 = t;
+ Frames = 0;
+ }
+ }
}