def test_func_fake(self, qapp, monkeypatch):
monkeypatch.setenv('QUTE_FAKE_OPENGL', 'Outtel Inc., 3.0 Messiah 20.0')
info = version.opengl_info()
assert info.vendor == 'Outtel Inc.'
assert info.version_str == '3.0 Messiah 20.0'
assert info.version == (3, 0)
assert info.vendor_specific == 'Messiah 20.0'
def _handle_wayland_webgl(self) -> None:
"""On older graphic hardware, WebGL on Wayland causes segfaults.
See https://github.com/qutebrowser/qutebrowser/issues/5313
"""
self._assert_backend(usertypes.Backend.QtWebEngine)
if os.environ.get('QUTE_SKIP_WAYLAND_WEBGL_CHECK'):
return
platform = objects.qapp.platformName()
if platform not in ['wayland', 'wayland-egl']:
return
# Only Qt 5.14 should be affected
if not qtutils.version_check('5.14', compiled=False):
return
if qtutils.version_check('5.15', compiled=False):
return
# Newer graphic hardware isn't affected
opengl_info = version.opengl_info()
if (opengl_info is None or
opengl_info.gles or
opengl_info.version is None or
opengl_info.version >= (4, 3)):
return
# If WebGL is turned off, we're fine
if not config.val.content.webgl:
return
text, buttons = self._xwayland_options()
buttons.append(_Button("Turn off WebGL (recommended)",
'content.webgl',
False))
text += ("<p><b>Disable WebGL (recommended)</b></p>"
"This sets the <i>content.webgl = False</i> option "
"(if you have a <i>config.py</i> file, you'll need to "
"set this manually).</p>")
self._show_dialog(backend=usertypes.Backend.QtWebEngine,
because=("of frequent crashes with Qt 5.14 on "
"Wayland with older graphics hardware"),
text=text,
buttons=buttons)
def _handle_nouveau_graphics(self) -> None:
"""Force software rendering when using the Nouveau driver.
WORKAROUND for
https://bugreports.qt.io/browse/QTBUG-41242
Should be fixed in Qt 5.10 via
https://codereview.qt-project.org/#/c/208664/
"""
self._assert_backend(usertypes.Backend.QtWebEngine)
if os.environ.get('QUTE_SKIP_NOUVEAU_CHECK'):
return
if qtutils.version_check('5.10', compiled=False):
return
opengl_info = version.opengl_info()
if opengl_info is None or opengl_info.vendor != 'nouveau':
return
if (os.environ.get('LIBGL_ALWAYS_SOFTWARE') == '1' or
# qt.force_software_rendering = 'software-opengl'
'QT_XCB_FORCE_SOFTWARE_OPENGL' in os.environ or
# qt.force_software_rendering = 'chromium', also see:
# https://build.opensuse.org/package/view_file/openSUSE:Factory/libqt5-qtwebengine/disable-gpu-when-using-nouveau-boo-1005323.diff?expand=1
'QT_WEBENGINE_DISABLE_NOUVEAU_WORKAROUND' in os.environ):
return
button = _Button("Force software rendering",
'qt.force_software_rendering',
'chromium')
self._show_dialog(
backend=usertypes.Backend.QtWebEngine,
because="you're using Nouveau graphics",
text=("<p>There are two ways to fix this:</p>" +
self.SOFTWARE_RENDERING_TEXT),
buttons=[button],
)
raise utils.Unreachable
def test_func(self, qapp):
"""Simply call version.opengl_info() and see if it doesn't crash."""
pytest.importorskip("PyQt5.QtOpenGL")
version.opengl_info()
