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https://github.com/Droid-Deck/DroidDeck.git
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MaxsTechReview
c71ba6da96
Steam games and Battle.net started from the KDE desktop run on the GPU in gamescope, opened as a KDE window, and Plasma no longer leaves programs with a zero realtime CPU limit that got games killed.
75 lines
3.9 KiB
Python
75 lines
3.9 KiB
Python
import json
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import os
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from pathlib import Path
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import shutil
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import subprocess
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import sys
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import tempfile
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import unittest
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TOOLS = Path(__file__).resolve().parents[1]
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GPU = TOOLS / "linuxfs/desktop/droiddeck-gpu"
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WINDOW = TOOLS / "linuxfs/overlay/usr/local/bin/droiddeck-gpu-window"
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KEYS = ("MESA_VK_WSI_DEBUG", "SDL_VIDEODRIVER", "WAYLAND_DISPLAY", "BL_GPU_CHILD_WSI", "BL_DESKTOP_GPU_CHILD")
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class DesktopGpuWindowTest(unittest.TestCase):
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def setUp(self):
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self.tmp = Path(tempfile.mkdtemp())
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self.addCleanup(shutil.rmtree, self.tmp, True)
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self.out = self.tmp / "gamescope.json"
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fake = self.tmp / "gamescope"
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fake.write_text("#!%s\nimport json, os, sys\njson.dump({'args': sys.argv[1:], 'env': {k: os.environ.get(k) for k in %r}}, open(%r, 'w'))\n"
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% (sys.executable, KEYS, str(self.out)))
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fake.chmod(0o755)
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def run_gpu(self, **env):
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base = {k: v for k, v in os.environ.items() if k not in KEYS + ("BL_DEBUG_DIR", "BL_DESKTOP_GPU_WINDOW")}
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base.update(PATH="%s:%s" % (self.tmp, os.environ["PATH"]), BL_WIDTH="1280", BL_HEIGHT="720", **env)
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subprocess.run(["bash", str(GPU), "game.exe"], env=base, check=True, capture_output=True)
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return json.loads(self.out.read_text())
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def test_on_the_desktop_the_game_gets_a_window_of_its_own(self):
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run = self.run_gpu(WAYLAND_DISPLAY="wayland-1", MESA_VK_WSI_DEBUG="sw,linear")
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self.assertEqual(run["args"][:2], ["--backend", "sdl"])
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self.assertNotIn("-f", run["args"])
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self.assertEqual(run["args"][-2:], ["/usr/local/bin/droiddeck-gpu-window", "game.exe"])
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self.assertEqual(run["env"]["WAYLAND_DISPLAY"], "wayland-1")
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self.assertEqual(run["env"]["SDL_VIDEODRIVER"], "wayland")
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self.assertEqual(run["env"]["MESA_VK_WSI_DEBUG"], "sw")
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self.assertEqual(run["env"]["BL_GPU_CHILD_WSI"], "linear")
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self.assertEqual(run["env"]["BL_DESKTOP_GPU_CHILD"], "1")
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def test_full_screen_stays_available(self):
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for env in ({"WAYLAND_DISPLAY": "wayland-1", "BL_DESKTOP_GPU_WINDOW": "0"}, {"WAYLAND_DISPLAY": "wayland-0"}, {}):
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run = self.run_gpu(**env)
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self.assertEqual(run["args"][:2], ["--backend", "wayland"])
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self.assertIn("-f", run["args"])
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self.assertEqual(run["env"]["WAYLAND_DISPLAY"], "wayland-0")
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self.assertIsNone(run["env"]["MESA_VK_WSI_DEBUG"])
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self.assertIsNone(run["env"]["BL_GPU_CHILD_WSI"])
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def test_the_game_inside_the_window_gets_its_own_settings_back(self):
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script = "import json, os; print(json.dumps({k: os.environ.get(k) for k in %r}))" % (KEYS,)
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for saved, expected in (("linear", "linear"), ("", None)):
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env = {k: v for k, v in os.environ.items() if k not in KEYS + ("DISPLAY",)}
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env.update(BL_GPU_CHILD_WSI=saved, MESA_VK_WSI_DEBUG="sw", SDL_VIDEODRIVER="wayland")
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out = subprocess.run([sys.executable, str(WINDOW), sys.executable, "-c", script], env=env,
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check=True, capture_output=True, text=True).stdout
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child = json.loads(out)
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self.assertEqual(child["MESA_VK_WSI_DEBUG"], expected)
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self.assertEqual(child["SDL_VIDEODRIVER"], "x11")
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self.assertIsNone(child["BL_GPU_CHILD_WSI"])
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def test_outside_a_window_the_game_keeps_its_settings(self):
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script = "import os; print(os.environ.get('MESA_VK_WSI_DEBUG'), os.environ.get('SDL_VIDEODRIVER'))"
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env = {k: v for k, v in os.environ.items() if k not in KEYS + ("DISPLAY",)}
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env.update(MESA_VK_WSI_DEBUG="linear", SDL_VIDEODRIVER="x11")
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out = subprocess.run([sys.executable, str(WINDOW), sys.executable, "-c", script], env=env,
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check=True, capture_output=True, text=True).stdout.split()
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self.assertEqual(out, ["linear", "x11"])
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if __name__ == "__main__":
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unittest.main()
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