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#!/usr/bin/python3
import pykms
from enum import Enum
import termios, sys, os, tty
card = pykms.OmapCard()
res = pykms.ResourceManager(card)
conn = res.reserve_connector()
crtc = res.reserve_crtc(conn)
mode = conn.get_default_mode()
modeb = mode.to_blob(card)
rootplane = res.reserve_primary_plane(crtc, pykms.PixelFormat.XRGB8888)
plane = res.reserve_overlay_plane(crtc, pykms.PixelFormat.NV12)
card.disable_planes()
req = pykms.AtomicReq(card)
req.add(conn, "CRTC_ID", crtc.id)
req.add(crtc, {"ACTIVE": 1,
"MODE_ID": modeb.id})
# This enables the root plane
#rootfb = pykms.OmapFramebuffer(card, mode.hdisplay, mode.vdisplay, "XR24");
#pykms.draw_test_pattern(rootfb);
#
#req.add(rootplane, {"FB_ID": rootfb.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,
# "zpos": 0})
req.commit_sync(allow_modeset = True)
def show_rot_plane(crtc, plane, fb, rot, x_scale, y_scale):
crtc_w = int(fb_w * x_scale)
crtc_h = int(fb_h * y_scale)
if (rot & pykms.Rotation.ROTATE_90) or (rot & pykms.Rotation.ROTATE_270):
tmp = crtc_w
crtc_w = crtc_h
crtc_h = tmp
crtc_x = int(mode.hdisplay / 2 - crtc_w / 2)
crtc_y = int(mode.vdisplay / 2 - crtc_h / 2)
req = pykms.AtomicReq(card)
src_x = 0
src_y = 0
src_w = fb_w - src_x
src_h = fb_h - src_y
print("SRC {},{}-{}x{} DST {},{}-{}x{}".format(
src_x, src_y, src_w, src_h,
crtc_x, crtc_y, crtc_w, crtc_h))
angle_str = pykms.Rotation(rot & pykms.Rotation.ROTATE_MASK).name
reflect_x_str = "REFLECT_X" if rot & pykms.Rotation.REFLECT_X else ""
reflect_y_str = "REFLECT_Y" if rot & pykms.Rotation.REFLECT_Y else ""
print("{} {} {}".format(angle_str, reflect_x_str, reflect_y_str))
sys.stdout.flush()
req.add(plane, {"FB_ID": fb.id,
"CRTC_ID": crtc.id,
"SRC_X": src_x << 16,
"SRC_Y": src_y << 16,
"SRC_W": src_w << 16,
"SRC_H": src_h << 16,
"CRTC_X": crtc_x,
"CRTC_Y": crtc_y,
"CRTC_W": crtc_w,
"CRTC_H": crtc_h,
"rotation": rot,
"zpos": 2})
req.commit_sync(allow_modeset = True)
fb_w = 480
fb_h = 150
x_scale = 1
y_scale = 1
fb = pykms.OmapFramebuffer(card, fb_w, fb_h, "NV12", flags = pykms.OmapFramebuffer.Tiled);
#fb = pykms.DumbFramebuffer(card, fb_w, fb_h, "NV12")
pykms.draw_test_pattern(fb);
def even(i):
return i & ~1
pykms.draw_text(fb, even((fb_w // 2) - (8 * 3) // 2), 4, "TOP", pykms.white)
pykms.draw_text(fb, even((fb_w // 2) - (8 * 6) // 2), fb_h - 8 - 4, "BOTTOM", pykms.white)
pykms.draw_text(fb, 4, even(((fb_h // 2) - 4)), "L", pykms.white)
pykms.draw_text(fb, fb_w - 8 - 4, even(((fb_h // 2) - 4)), "R", pykms.white)
rots = [ pykms.Rotation.ROTATE_0, pykms.Rotation.ROTATE_90, pykms.Rotation.ROTATE_180, pykms.Rotation.ROTATE_270 ]
cursors = [ "A", "D", "B", "C" ]
print("Use the cursor keys, x and y to change rotation. Press q to quit.")
fd = sys.stdin.fileno()
oldterm = termios.tcgetattr(fd)
tty.setcbreak(fd)
try:
esc_seq = 0
current_rot = pykms.Rotation.ROTATE_0
show_rot_plane(crtc, plane, fb, current_rot, x_scale, y_scale)
while True:
c = sys.stdin.read(1)
#print("Got character {}".format(repr(c)))
changed = False
handled = False
if esc_seq == 0:
if c == "\x1b":
esc_seq = 1
handled = True
elif esc_seq == 1:
if c == "[":
esc_seq = 2
handled = True
else:
esc_seq = 0
elif esc_seq == 2:
esc_seq = 0
if c in cursors:
handled = True
rot = rots[cursors.index(c)]
current_rot &= ~pykms.Rotation.ROTATE_MASK
current_rot |= rot
changed = True
if not handled:
if c == "q":
break
elif c == "x":
current_rot ^= pykms.Rotation.REFLECT_X
changed = True
elif c == "y":
current_rot ^= pykms.Rotation.REFLECT_Y
changed = True
if changed:
show_rot_plane(crtc, plane, fb, current_rot, x_scale, y_scale)
finally:
termios.tcsetattr(fd, termios.TCSAFLUSH, oldterm)
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