diff options
Diffstat (limited to 'progs/demos')
| -rw-r--r-- | progs/demos/reflect.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/progs/demos/reflect.c b/progs/demos/reflect.c index 952a7f755c9..6713e042f60 100644 --- a/progs/demos/reflect.c +++ b/progs/demos/reflect.c @@ -1,4 +1,4 @@ -/* $Id: reflect.c,v 1.3 2000/06/15 14:25:48 brianp Exp $ */ +/* $Id: reflect.c,v 1.4 2000/09/15 16:43:57 brianp Exp $ */ /* * Demo of a reflective, texture-mapped surface with OpenGL. @@ -54,6 +54,9 @@ static GLfloat spin; static GLint Width = 400, Height = 300; static GLenum ShowBuffer = GL_NONE; +/* performance info */ +static GLint T0 = 0; +static GLint Frames = 0; static void make_table( void ) @@ -295,6 +298,18 @@ static void draw_scene( void ) } glutSwapBuffers(); + + { + 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; + } + } } |