def is_sw_rasterizer():
"""Return true if OpenGL is using a software rendering."""
cmd = utils.wflinfo_cmd() + ' | grep "OpenGL renderer string"'
output = utils.run(cmd)
result = output.stdout.splitlines()[0]
logging.info('wflinfo: %s', result)
# TODO(ihf): Find exhaustive error conditions (especially ARM).
return 'llvmpipe' in result.lower() or 'soft' in result.lower()
def get_gles_version():
cmd = utils.wflinfo_cmd()
wflinfo = utils.system_output(cmd, retain_output=False, ignore_status=False)
# OpenGL version string: OpenGL ES 3.0 Mesa 10.5.0-devel
version = re.findall(r'OpenGL version string: '
r'OpenGL ES ([0-9]+).([0-9]+)', wflinfo)
if version:
version_major = int(version[0][0])
version_minor = int(version[0][1])
return (version_major, version_minor)
return (None, None)