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glamor: Fix dashed line rendering.

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We were binding the screen pixmap as the dash and sampling its alpha,
which is usually just 1.0 (no dashing at all).

Please cherry-pick this to active stable branches.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
(cherry picked from commit fe0b297420)
This commit is contained in:
Eric Anholt 2017-03-15 17:51:46 -07:00 • committed by Olivier Fourdan
parent 2f36c6faa0
commit c58bff7e96
1 changed files with 1 additions and 1 deletions
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2
glamor/glamor_dash.c
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@ -147,7 +147,7 @@ glamor_dash_setup(DrawablePtr drawable, GCPtr gc)
goto bail;
dash_pixmap = glamor_get_dash_pixmap(gc);
dash_priv = glamor_get_pixmap_private(pixmap);
dash_priv = glamor_get_pixmap_private(dash_pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dash_priv))
goto bail;