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#!/usr/bin/python3
import pykms
import selectors
import sys
def readdrm(fileobj, mask):
for ev in card.read_events():
ev.data(ev)
def waitevent(sel):
events = sel.select(1)
if not events:
print("Error: timeout receiving event")
else:
for key, mask in events:
key.data(key.fileobj, mask)
def eventhandler(event):
print("Received %s event successfully (seq %d time %f)" %
(event.type, event.seq, event.time))
card = pykms.Card()
sel = selectors.DefaultSelector()
sel.register(card.fd, selectors.EVENT_READ, readdrm)
res = pykms.ResourceManager(card)
conn = res.reserve_connector()
crtc = res.reserve_crtc(conn)
pplane = res.reserve_primary_plane(crtc)
mode = conn.get_default_mode()
modeb = mode.to_blob(card)
for format in pplane.formats:
if format == pykms.PixelFormat.XRGB8888:
break
if format == pykms.PixelFormat.RGB565:
break
fb = pykms.DumbFramebuffer(card, mode.hdisplay, mode.vdisplay, format);
pykms.draw_test_pattern(fb);
# Disable request
card.disable_planes()
print("Setting %s to %s using %s" % (conn.fullname, mode.name, format))
req = pykms.AtomicReq(card)
req.add(conn, "CRTC_ID", crtc.id)
req.add(crtc, {"ACTIVE": 1,
"MODE_ID": modeb.id})
req.add(pplane, {"FB_ID": fb.id,
"CRTC_ID": crtc.id,
"SRC_X": 0 << 16,
"SRC_Y": 0 << 16,
"SRC_W": mode.hdisplay << 16,
"SRC_H": mode.vdisplay << 16,
"CRTC_X": 0,
"CRTC_Y": 0,
"CRTC_W": mode.hdisplay,
"CRTC_H": mode.vdisplay})
ret = req.test(True)
if ret != 0:
print("Atomic test failed: %d" % ret)
sys.exit()
req.commit(eventhandler, allow_modeset = True)
waitevent(sel)
input("press enter to exit\n")
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