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rootston: fix urxvt damage on HiDPI outputs

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util/region: add wlr_region_expand
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emersion 2018-01-30 12:01:10 +01:00
parent d498855b9d
commit 2a855e6282
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GPG key ID: 0FDE7BE0E88F5E48
3 changed files with 40 additions and 0 deletions
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6
rootston/output.c
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@ -600,6 +600,12 @@ static void damage_from_surface(struct wlr_surface *surface,
pixman_region32_init(&damage);
pixman_region32_copy(&damage, &surface->current->surface_damage);
wlr_region_scale(&damage, &damage, output->wlr_output->scale);
if (ceil(output->wlr_output->scale) > surface->current->scale) {
// When scaling up a surface, it'll become blurry so we need to expand
// the damage region
wlr_region_expand(&damage, &damage,
ceil(output->wlr_output->scale) - surface->current->scale);
}
pixman_region32_translate(&damage, box.x, box.y);
pixman_region32_union(&output->damage, &output->damage, &damage);
pixman_region32_fini(&damage);