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97 lines
2.5 KiB
97 lines
2.5 KiB
#!/usr/bin/python3
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import sys
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import pykms
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import selectors
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bar_width = 20
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bar_speed = 8
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class FlipHandler():
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def __init__(self):
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super().__init__()
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self.bar_xpos = 0
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self.front_buf = 0
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self.fb1 = pykms.DumbFramebuffer(card, mode.hdisplay, mode.vdisplay, "XR24");
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self.fb2 = pykms.DumbFramebuffer(card, mode.hdisplay, mode.vdisplay, "XR24");
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self.flips = 0
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self.frames = 0
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self.time = 0
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def handle_page_flip(self, frame, time):
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self.flips += 1
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if self.time == 0:
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self.frames = frame
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self.time = time
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time_delta = time - self.time
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if time_delta >= 5:
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frame_delta = frame - self.frames
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print("Frame rate: %f (%u/%u frames in %f s)" %
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(frame_delta / time_delta, self.flips, frame_delta, time_delta))
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self.flips = 0
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self.frames = frame
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self.time = time
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if self.front_buf == 0:
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fb = self.fb2
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else:
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fb = self.fb1
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self.front_buf = self.front_buf ^ 1
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current_xpos = self.bar_xpos;
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old_xpos = (current_xpos + (fb.width - bar_width - bar_speed)) % (fb.width - bar_width);
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new_xpos = (current_xpos + bar_speed) % (fb.width - bar_width);
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self.bar_xpos = new_xpos
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pykms.draw_color_bar(fb, old_xpos, new_xpos, bar_width)
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if card.has_atomic:
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ctx = pykms.AtomicReq(card)
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ctx.add(crtc.primary_plane, "FB_ID", fb.id)
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ctx.commit()
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else:
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crtc.page_flip(fb)
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if len(sys.argv) > 1:
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conn_name = sys.argv[1]
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else:
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conn_name = ''
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card = pykms.Card()
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res = pykms.ResourceManager(card)
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conn = res.reserve_connector(conn_name)
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crtc = res.reserve_crtc(conn)
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mode = conn.get_default_mode()
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fliphandler = FlipHandler()
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crtc.set_mode(conn, fliphandler.fb1, mode)
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fliphandler.handle_page_flip(0, 0)
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def readdrm(fileobj, mask):
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#print("EVENT");
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for ev in card.read_events():
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if ev.type == pykms.DrmEventType.FLIP_COMPLETE:
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fliphandler.handle_page_flip(ev.seq, ev.time)
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def readkey(fileobj, mask):
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#print("KEY EVENT");
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sys.stdin.readline()
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exit(0)
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sel = selectors.DefaultSelector()
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sel.register(card.fd, selectors.EVENT_READ, readdrm)
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sel.register(sys.stdin, selectors.EVENT_READ, readkey)
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while True:
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events = sel.select()
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for key, mask in events:
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callback = key.data
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callback(key.fileobj, mask)
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