From 71826cc21e4484238a848f1a31b42698dc03d609 Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauld.mccarthy@gmail.com>
Date: Thu, 29 Sep 2016 16:08:07 +0100
Subject: [PATCH] fsl.utils.platform has new property which tells (or tries to
tell) if using a software or hardware GL renderer.
---
fsl/utils/platform.py | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/fsl/utils/platform.py b/fsl/utils/platform.py
index 9be0265a6..382d7bb92 100644
--- a/fsl/utils/platform.py
+++ b/fsl/utils/platform.py
@@ -92,6 +92,7 @@ class Platform(notifier.Notifier):
wxFlavour
glVersion
glRenderer
+ glIsSoftwareRenderer
"""
@@ -111,6 +112,7 @@ class Platform(notifier.Notifier):
self.__inSSHSession = False
self.__glVersion = None
self.__glRenderer = None
+ self.__glIsSoftware = None
# Determine if a display is available. We do
# this once at init (instead of on-demand in
@@ -273,6 +275,31 @@ class Platform(notifier.Notifier):
"""Set the available OpenGL renderer. """
self.__glRenderer = value
+ value = value.lower()
+
+ # There doesn't seem to be any quantitative
+ # method for determining whether we are using
+ # software-based rendering, so a hack is
+ # necessary.
+ self.__glIsSoftware = any((
+ 'software' in value,
+ 'mesa' in value,
+ 'gallium' in value,
+ 'llvmpipe' in value,
+ 'chromium' in value,
+ ))
+
+
+ @property
+ def glIsSoftwareRenderer(self):
+ """Returns ``True`` if the OpenGL renderer is software based,
+ ``False`` otherwise, or ``None`` if the renderer has not yet been set.
+
+ .. note:: This check is based on heuristics, ans is not guaranteed to
+ be correct.
+ """
+ return self.__glIsSoftware
+
platform = Platform()
"""An instance of the :class:`Platform` class. Feel free to create your own
--
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