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#!/usr/bin/python3
import pykms
import time
import argparse
parser = argparse.ArgumentParser(description='Simple alpha blending test.')
parser.add_argument('--resetcrtc', action="store_true",
help='Reset legacy CRTC color properties')
parser.add_argument('--connector', '-c', dest='connector', default="",
required=False, help='connector to output')
parser.add_argument('--mode', '-m', dest='modename',
required=False, help='Video mode name to use')
args = parser.parse_args()
max_planes = 4
card = pykms.Card()
res = pykms.ResourceManager(card)
conn = res.reserve_connector(args.connector)
crtc = res.reserve_crtc(conn)
if args.modename == None:
mode = conn.get_default_mode()
else:
mode = conn.get_mode(args.modename)
planes = []
for i in range(max_planes):
p = res.reserve_generic_plane(crtc)
if p == None:
break
planes.append(p)
print("Got {} planes. Test supports up to 4 planes.".format(len(planes)))
card.disable_planes()
w = mode.hdisplay
h = mode.vdisplay
fbs=[]
for i in range(max_planes):
fbs.append(pykms.DumbFramebuffer(card, w, h, "AR24"))
pykms.draw_rect(fbs[0], 50, 50, 200, 200, pykms.RGB(128, 255, 0, 0))
pykms.draw_rect(fbs[1], 150, 50, 200, 200, pykms.RGB(128, 0, 255, 0))
pykms.draw_rect(fbs[2], 50, 150, 200, 200, pykms.RGB(128, 0, 0, 255))
pykms.draw_rect(fbs[3], 150, 150, 200, 200, pykms.RGB(128, 128, 128, 128))
card.disable_planes()
if args.resetcrtc:
crtc.set_props({
"trans-key-mode": 0,
"trans-key": 0,
"background": 0,
"alpha_blender": 1,
})
for i in range(len(planes)):
plane = planes[i]
fb = fbs[i]
print("set crtc {}, plane {}, z {}, fb {}".format(crtc.id, plane.id, i, fb.id))
plane.set_props({
"FB_ID": fb.id,
"CRTC_ID": crtc.id,
"SRC_W": fb.width << 16,
"SRC_H": fb.height << 16,
"CRTC_W": fb.width,
"CRTC_H": fb.height,
"zpos": i,
})
time.sleep(1)
input("press enter to exit\n")
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