From f961b4367579c223a0ac46a92d4c754618eb3182 Mon Sep 17 00:00:00 2001
From: Quantum <quantum2048@gmail.com>
Date: Sun, 5 Jan 2014 19:23:31 -0500
Subject: [PATCH] Allowed depth buffer to be adjusted and multisample be
 enabled.

---
 punyverse/__main__.py | 31 ++++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/punyverse/__main__.py b/punyverse/__main__.py
index c3c3a5d..26ac613 100644
--- a/punyverse/__main__.py
+++ b/punyverse/__main__.py
@@ -6,17 +6,42 @@ WIN_TITLE = 'Punyverse'
 
 def main():
     import argparse
-    parser = argparse.ArgumentParser(prog='punyverse', description='Python simulator of a puny universe.')
+    parser = argparse.ArgumentParser(prog='punyverse', description='''
+            Python simulator of a puny universe.
+        ''')
+    parser.add_argument('-d', '--high-depth', help='Use a larger depth buffer',
+                        const=32, default=24, dest='depth', nargs='?', type=int)
+    parser.add_argument('-m', '--multisample', help='Use multisampled image, '
+                        'optional samples', const=2, default=0, nargs='?',
+                        type=int)
     parser.add_argument('-v', '--no-vsync', help='Disables vsync',
                         action='store_false', dest='vsync')
     args = parser.parse_args()
 
     import pyglet
-    from punyverse import game
     pyglet.options['shadow_window'] = False
 
+    template = pyglet.gl.Config(depth_size=args.depth, double_buffer=True,
+                                sample_buffers=args.multisample > 1,
+                                samples=args.multisample)
+
+    platform = pyglet.window.get_platform()
+    display = platform.get_default_display()
+    screen = display.get_default_screen()
+    try:
+        config = screen.get_best_config(template)
+    except pyglet.window.NoSuchConfigException:
+        raise SystemExit('Graphics configuration not supported.')
+    else:
+        if hasattr(config, '_attribute_names'):
+            print 'OpenGL configuration:'
+            for key in config._attribute_names:
+                print '  %-17s %s' % (key + ':', getattr(config, key))
+
+    from punyverse import game
     game.Applet(width=INITIAL_WIN_WIDTH, height=INITIAL_WIN_HEIGHT,
-                caption=WIN_TITLE, resizable=True, vsync=args.vsync)
+                caption=WIN_TITLE, resizable=True, vsync=args.vsync,
+                config=config)
     pyglet.app.run()