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#!/usr/bin/python3
import pykms
import time
card = pykms.Card()
res = pykms.ResourceManager(card)
conn = res.reserve_connector("")
crtc = res.reserve_crtc(conn)
mode = conn.get_default_mode()
modeb = mode.to_blob(card)
format = pykms.PixelFormat.ARGB8888
plane1 = res.reserve_generic_plane(crtc, format)
plane2 = res.reserve_generic_plane(crtc, format)
print("Got plane1 %d %d plane2 %d %d" %
(plane1.idx, plane1.id, plane2.idx, plane2.id))
fb1 = pykms.DumbFramebuffer(card, mode.hdisplay, mode.vdisplay, format);
pykms.draw_test_pattern(fb1);
fb2 = pykms.DumbFramebuffer(card, mode.hdisplay >> 1, mode.vdisplay >> 1, format);
pykms.draw_test_pattern(fb2);
alpha = 0
req = pykms.AtomicReq(card)
req.add(conn, "CRTC_ID", crtc.id)
req.add(crtc, {"ACTIVE": 1,
"MODE_ID": modeb.id})
req.add_plane(plane1, fb1, crtc)
req.add_plane(plane2, fb2, crtc)
r = req.commit_sync(allow_modeset = True)
assert r == 0, "Initial commit failed: %d" % r
while alpha <= 0xFFFF:
print("alpha %d" % (alpha >> 8))
req = pykms.AtomicReq(card)
req.add(plane2, {"alpha": alpha })
r = req.commit_sync()
assert r == 0, "alpha change commit failed: %d" % r
alpha = alpha + 0xFF
time.sleep(0.1)
input("press enter exit\n")
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