89 lines
3.4 KiB
Python
89 lines
3.4 KiB
Python
from optparse import OptionParser
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
|
|
class Launcher:
|
|
def __init__(self):
|
|
self.use_tfp = True
|
|
|
|
# Figure out the path to the plugin when uninstalled
|
|
scripts_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
|
|
top_dir = os.path.dirname(scripts_dir)
|
|
self.plugin_dir = os.path.join(top_dir, "src")
|
|
self.js_dir = os.path.join(top_dir, "js")
|
|
|
|
parser = OptionParser()
|
|
parser.add_option("-g", "--debug", action="store_true",
|
|
help="Run under a debugger")
|
|
parser.add_option("", "--debug-command", metavar="COMMAND",
|
|
help="Command to use for debugging (defaults to 'gdb --args')")
|
|
parser.add_option("-v", "--verbose", action="store_true")
|
|
|
|
self.options, args = parser.parse_args()
|
|
|
|
if args:
|
|
parser.print_usage()
|
|
sys.exit(1)
|
|
|
|
if self.options.debug_command:
|
|
self.options.debug = True
|
|
self.debug_command = self.options.debug_command.split()
|
|
else:
|
|
self.debug_command = ["gdb", "--args"]
|
|
|
|
def set_use_tfp(self, use_tfp):
|
|
"""Sets whether we try to use GLX_EXT_texture_for_pixmap"""
|
|
|
|
self.use_tfp = use_tfp
|
|
|
|
def start_shell(self):
|
|
"""Starts gnome-shell. Returns a subprocess.Popen object"""
|
|
|
|
use_tfp = self.use_tfp
|
|
if use_tfp:
|
|
# Check if GLX supports GL_ARB_texture_non_power_of_two; currently clutter
|
|
# can only use GLX_EXT_texture_for_pixmap if we have that extension.
|
|
glxinfo = subprocess.Popen(["glxinfo"], stdout=subprocess.PIPE)
|
|
glxinfo_output = glxinfo.communicate()[0]
|
|
glxinfo.wait()
|
|
|
|
use_tfp = "GL_ARB_texture_non_power_of_two" in glxinfo_output
|
|
|
|
# Now launch metacity-clutter with our plugin
|
|
env=dict(os.environ)
|
|
env.update({'GNOME_SHELL_JS' : self.js_dir,
|
|
'GI_TYPELIB_PATH' : self.plugin_dir,
|
|
'LD_LIBRARY_PATH' : os.environ.get('LD_LIBRARY_PATH', '') + ':' + self.plugin_dir,
|
|
'GNOME_DISABLE_CRASH_DIALOG' : '1'})
|
|
|
|
if use_tfp:
|
|
# If we have NPOT textures, then we want to use GLX_EXT_texture_from_pixmap; in
|
|
# most cases, we have to force indirect rendering to do this. DRI2 will lift
|
|
# that restriction; in which case what we should do is parse the information
|
|
# from glxinfo more carefully... if the extension isn't listed under
|
|
# "GLX extensions" with LIBGL_ALWAYS_INDIRECT unset, then set LIBGL_ALWAYS_INDIRECT
|
|
# and try again.
|
|
env['LIBGL_ALWAYS_INDIRECT'] = '1'
|
|
|
|
if not self.options.verbose:
|
|
# Unless verbose() is specified, only let gjs show errors and things that are
|
|
# explicitly logged via log() from javascript
|
|
env['GJS_DEBUG_TOPICS'] = 'JS ERROR;JS LOG'
|
|
|
|
if self.options.debug:
|
|
args = list(self.debug_command)
|
|
else:
|
|
args = []
|
|
|
|
plugin = os.path.join(self.plugin_dir, "libgnome-shell.la")
|
|
args.extend(['metacity', '--mutter-plugins=' + plugin, '--replace'])
|
|
return subprocess.Popen(args, env=env)
|
|
|
|
def is_verbose (self):
|
|
"""Returns whether the Launcher was started in verbose mode"""
|
|
return self.options.verbose
|
|
|
|
|
|
|