[Bug 77436] KDE Konsole very slow scrolling with TearFree and QT graphics system native

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77436

--- Comment #90 from Chris Wilson <chris at chris-wilson.co.uk> ---
And another glyph test...

Update to

commit 10cb36e1ddc6f4bf41941b24d6557343aa595a13
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Mon Jun 16 10:33:07 2014 +0100

    sna/glyphs: Add DBG option to force use of the glyph image mask

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Then apply

diff --git a/src/sna/sna_glyphs.c b/src/sna/sna_glyphs.c
index 1ce7170..f433573 100644
--- a/src/sna/sna_glyphs.c
+++ b/src/sna/sna_glyphs.c
@@ -71,7 +71,7 @@
 #define NO_GLYPH_CACHE 0
 #define NO_GLYPHS_TO_DST 0
 #define NO_GLYPHS_VIA_MASK 0
-#define FORCE_SMALL_MASK 0 /* -1 = never, 1 = always */
+#define FORCE_SMALL_MASK 1 /* -1 = never, 1 = always */
 #define NO_GLYPHS_SLOW 0
 #define NO_DISCARD_MASK 0

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