cuburn/main.py
2010-09-12 00:17:18 -04:00

83 lines
2.3 KiB
Python

#!/usr/bin/python
#
# flam3cuda, one of a surprisingly large number of ports of the fractal flame
# algorithm to NVIDIA GPUs.
#
# This one is copyright 2010 Steven Robertson <steven@strobe.cc>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later
# as published by the Free Software Foundation.
import os
import sys
from pprint import pprint
from ctypes import *
import numpy as np
from cuburn.device_code import IterThread
from cuburn.cuda import LaunchContext
from fr0stlib.pyflam3 import *
from fr0stlib.pyflam3._flam3 import *
from cuburn.render import *
import pyglet
def dump_3d(nda):
with open('/tmp/data.txt', 'w') as f:
for row in nda:
f.write(' | '.join([' '.join(
['%4.1g\t' % x for x in pt]) for pt in row]) + '\n')
def main(args):
verbose = 1
if '-d' in args:
verbose = 3
with open(args[-1]) as fp:
genomes = Genome.from_string(fp.read())
anim = Animation(genomes)
anim.compile()
bins = anim.render_frame()
#bins = np.log2(bins + 1)
alpha = [bins[y][x][3] for x in range(anim.features.hist_width)
for y in range(anim.features.hist_height)]
print sum(alpha)
bins *= (512./(np.mean(alpha)+1e-9))
bins = np.minimum(bins, 255)
bins = bins.astype(np.uint8)
if '-g' not in args:
return
print anim.features.hist_width
print anim.features.hist_height
print anim.features.hist_stride
window = pyglet.window.Window(800, 600)
image = pyglet.image.ImageData(anim.features.hist_width,
anim.features.hist_height,
'RGBA',
bins.tostring(),
anim.features.hist_stride*4)
tex = image.texture
@window.event
def on_draw():
window.clear()
tex.blit(0, 0)
@window.event
def on_key_press(sym, mod):
if sym == pyglet.window.key.Q:
pyglet.app.exit()
pyglet.app.run()
if __name__ == "__main__":
if len(sys.argv) < 2 or not os.path.isfile(sys.argv[-1]):
print "Last argument must be a path to a genome file"
sys.exit(1)
main(sys.argv)