File mozilla-bmo1504834-part4.patch of Package MozillaThunderbird.17312
# HG changeset patch
# Parent 46ea866ca3acb8bb5e1709ceb799b9c94f591dec
Problem description: Tab-titles that are too long to fit into a tab get faded out.
On big endian this is broken and instead of fading out, the
tab gets white and the font transparent, leading to an unreadable
Solution: This is not a real solution, but a hack. The real solution would have been
to byte-swap the correct buffer, but I could not find it.
So the next best thing is to deactivate the fading-effect. Now all tab-titles
are readable, albeit not as pretty to look at as they could be.
Side-effects: I have not yet found an unwanted side-effect.
diff -r 46ea866ca3ac -r 6ef20eee3f8f gfx/2d/DrawTargetSkia.cpp
--- a/gfx/2d/DrawTargetSkia.cpp Tue Oct 22 12:27:22 2019 +0200
+++ b/gfx/2d/DrawTargetSkia.cpp Thu Oct 31 09:11:56 2019 +0100
@@ -1861,6 +1861,14 @@
(aCopyBackground ? SkCanvas::kInitWithPrevious_SaveLayerFlag : 0));
+ // Pushing a layer where an aMask is defined produces wrong output.
+ // We _should_ endian swap the data, but I couldn't find a workable way to do so
+ // Therefore I deactivate those layers in the meantime.
+ // The result is: Tab-titles that are longer than the available space should be faded out.
+ // The fading doesn't work, so we deactivate the fading-effect here.
+ if (!aMask)