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Bug 562633 – Use GNOME_SHELL_DISABLE_TFP environment variable

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Allow forcing off the texture_for_pixmap extension by environment
variable, since it is apparently buggy on old Intel cards with
certain driver versions

Based on patch from RainCT (Siegfried Gevatter)

svn path=/trunk/; revision=92
This commit is contained in:
Owen Taylor 2008-11-29 21:11:31 +00:00
parent eaf2bbfaf8
commit e0f713785f
1 changed files with 8 additions and 0 deletions
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8
scripts/launcher.py
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@ -41,6 +41,14 @@ class Launcher:
"""Starts gnome-shell. Returns a subprocess.Popen object""" """Starts gnome-shell. Returns a subprocess.Popen object"""
use_tfp = self.use_tfp use_tfp = self.use_tfp
# Allow disabling usage of the EXT_texture_for_pixmap extension.
# FIXME: Move this to ClutterGlxPixmap like
# CLUTTER_PIXMAP_TEXTURE_RECTANGLE=disable.
if 'GNOME_SHELL_DISABLE_DISABLE_TFP' in os.environ and
os.environ['GNOME_SHELL_DISABLE_DISABLE_TFP'] != '':
use_tfp = False
if use_tfp: if use_tfp:
# Check if GLX supports GL_ARB_texture_non_power_of_two; currently clutter # 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. # can only use GLX_EXT_texture_for_pixmap if we have that extension.