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xcb: Short-circuit multiplying the alpha mask by 1.0

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson 2011-07-29 12:33:07 +01:00
parent 4032c86127
commit 7c6e1b8db8
1 changed files with 3 additions and 0 deletions
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3
src/cairo-xcb-surface-render.c
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@ -1666,6 +1666,9 @@ static void blt_in(void *closure,
xcb_render_color_t color;
xcb_rectangle_t rect;
if (coverage == 0xffff)
return;
color.red = color.green = color.blue = 0;
color.alpha = coverage;