diff options
| -rw-r--r-- | progs/demos/cubemap.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/progs/demos/cubemap.c b/progs/demos/cubemap.c index 1f9f2905759..0a3e10dac08 100644 --- a/progs/demos/cubemap.c +++ b/progs/demos/cubemap.c @@ -53,6 +53,8 @@ static GLint FrameParity = 0; static GLenum FilterIndex = 0; static GLint ClampIndex = 0; static GLboolean supportFBO = GL_FALSE; +static GLint T0 = 0; +static GLint Frames = 0; static struct { @@ -268,6 +270,20 @@ static void draw( void ) glPopMatrix(); glutSwapBuffers(); + + Frames++; + + { + GLint t = glutGet(GLUT_ELAPSED_TIME); + if (t - T0 >= 5000) { + GLfloat seconds = (t - T0) / 1000.0; + GLfloat fps = Frames / seconds; + printf("%d frames in %6.3f seconds = %6.3f FPS\n", Frames, seconds, fps); + fflush(stdout); + T0 = t; + Frames = 0; + } + } } |