steam-frame/saphid--frame-control
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Inject the OpenXR compatibility layer into VR APKs on install

Browse Source 
VR apps with an arm64 OpenXR loader get frame/openxr-compat's layer unless
--no-xr-compat; the app bundle ships the layer. Verified on the Frame: Wolvic's
Quest build gets through OpenXR start-up, Open Brush still reaches FOCUSED.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
saphidandClaude Opus 5.5 committed 2026-09-28 16:33:14 +10:00
1 parent fd15f1de4c
commit 50d5e14539
4 files changed
+99 -8
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tests/test_frame_apk_vr.py
+36 -1
View File
@@ -174,7 +174,10 @@ class VRTests(unittest.TestCase):
def test_install_auto_and_override(self):
base = {'package': 'org.test.vr', 'label': 'VR', 'abis': [], 'min_sdk': None,
'vr': True, 'vr_activity': True, 'launchable': False}
with patch.object(frame_android, 'apk_info', return_value=base), patch.object(frame_android, 'patch') as repair, patch.object(frame_android, '_install', return_value={}) as install:
with patch.object(frame_android, 'apk_info', return_value=base), \
patch.object(frame_android, 'xr_compat_files', return_value={}), \
patch.object(frame_android, 'patch', return_value={'patched': ['launcher']}) as repair, \
patch.object(frame_android, '_install', return_value={}) as install:
frame_android.install('original.apk')
repair.assert_called_once()
self.assertFalse(install.call_args.args[3])
@@ -182,6 +185,38 @@ class VRTests(unittest.TestCase):
frame_android.install('original.apk', flatscreen=True)
self.assertTrue(install.call_args.args[3])
def test_xr_compat_layer(self):
with tempfile.TemporaryDirectory() as d:
apk = Path(d) / 'a.apk'
with zipfile.ZipFile(apk, 'w') as z:
z.writestr('lib/arm64-v8a/libopenxr_loader.so', b'')
add = frame_android.xr_compat_files(str(apk))
self.assertEqual(set(add), set(frame_android.XR_COMPAT_FILES))
self.assertIn(b'XR_APILAYER_FRAME_compat', add['assets/openxr/1/api_layers/implicit.d/XrApiLayer_FRAME_compat.json'])
self.assertTrue(add['lib/arm64-v8a/libXrApiLayer_FRAME_compat.so'].startswith(b'\x7fELF'))
with zipfile.ZipFile(apk, 'a') as z: # already injected: nothing more to add
z.writestr('lib/arm64-v8a/libXrApiLayer_FRAME_compat.so', b'')
self.assertEqual(frame_android.xr_compat_files(str(apk)), {})
flat = Path(d) / 'flat.apk'
with zipfile.ZipFile(flat, 'w') as z:
z.writestr('classes.dex', b'')
self.assertEqual(frame_android.xr_compat_files(str(flat)), {})
def test_install_adds_layer_to_vr_apps(self):
base = {'package': 'org.test.vr', 'label': 'VR', 'abis': [], 'min_sdk': None,
'vr': True, 'vr_activity': True, 'launchable': True}
layer = {'x': b''}
with patch.object(frame_android, 'apk_info', return_value=dict(base)), \
patch.object(frame_android, 'xr_compat_files', return_value=layer), \
patch.object(frame_android, 'patch', return_value={'patched': ['openxr-compat']}) as repair, \
patch.object(frame_android, '_install', return_value={}) as install:
frame_android.install('game.apk')
self.assertIs(repair.call_args.args[2], layer)
self.assertEqual(install.call_args.args[1]['patched'], ['openxr-compat'])
repair.reset_mock()
frame_android.install('game.apk', xr_compat=False) # launchable, no layer: install as is
repair.assert_not_called()
if __name__ == '__main__':
unittest.main()