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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vispy: testskip
# -----------------------------------------------------------------------------
# Copyright (c) Vispy Development Team. All Rights Reserved.
# Distributed under the (new) BSD License. See LICENSE.txt for more info.
# -----------------------------------------------------------------------------
from vispy.gloo import gl
def on_display():
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
glut.glutSwapBuffers()
def on_keyboard(key, x, y):
if key == '\033':
sys.exit()
def on_idle():
global t, t0, frames
t = glut.glutGet(glut.GLUT_ELAPSED_TIME)
frames = frames + 1
elapsed = (t - t0) / 1000.0
if elapsed > 2.5:
print("FPS : %.2f (%d frames in %.2f second)"
% (frames / elapsed, frames, elapsed))
t0, frames = t, 0
glut.glutPostRedisplay()
if __name__ == '__main__':
import sys
import OpenGL.GLUT as glut
glut.glutInit(sys.argv)
glut.glutInitDisplayMode(
glut.GLUT_DOUBLE | glut.GLUT_RGB | glut.GLUT_DEPTH)
glut.glutInitWindowSize(512, 512)
glut.glutCreateWindow("Do nothing benchmark (GLUT)")
glut.glutDisplayFunc(on_display)
glut.glutKeyboardFunc(on_keyboard)
t0, frames, t = glut.glutGet(glut.GLUT_ELAPSED_TIME), 0, 0
glut.glutIdleFunc(on_idle)
glut.glutMainLoop()
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