use gl

gl_init_2d(int vw, int vh):
	int vw2 = vw / 2
	int vh2 = vh / 2
#	glEnable(GL_TEXTURE_2D)
	glClearColor(0, 0, 0, 0)
	glViewport(0, 0, vw, vh)
	glClear(GL_COLOR_BUFFER_BIT)
	glMatrixMode(GL_PROJECTION)
	glLoadIdentity()
	glOrthof(-vw2, vw2, vh2, -vh2, -1, 1)
	glMatrixMode(GL_MODELVIEW)
	glLoadIdentity()
#	glPushAttrib(GL_DEPTH_BUFFER_BIT | GL_LIGHTING_BIT)
	glDisable(GL_DEPTH_TEST)
	glDisable(GL_LIGHTING)