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compositor: change rounding in weston_surface_to_buffer_rect()

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Rounding both corners of the rectangle down can result in a 0
width/height rectangle before passing to weston_transformed_rect.

This showed up as missing damage in weston-simple-damage (the
bouncing ball would leave green trails when --use-viewport was
used)

Reviewed-by: Daniel Stone <daniels@collabora.co.uk>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Derek Foreman
2015-12-01 13:00:43 -06:00
parent 5ffbfffaf7
commit e2e15acc06
1 changed files with 2 additions and 2 deletions
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src/compositor.c
+2 -2
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@@ -945,8 +945,8 @@ weston_surface_to_buffer_rect(struct weston_surface *surface,
rect.y1 = floorf(yf); rect.y1 = floorf(yf);
scaler_surface_to_buffer(surface, rect.x2, rect.y2, &xf, &yf); scaler_surface_to_buffer(surface, rect.x2, rect.y2, &xf, &yf);
rect.x2 = floorf(xf); rect.x2 = ceilf(xf);
rect.y2 = floorf(yf); rect.y2 = ceilf(yf);
return weston_transformed_rect(surface->width_from_buffer, return weston_transformed_rect(surface->width_from_buffer,
surface->height_from_buffer, surface->height_from_buffer,