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Merge pull request #1261 from arandomhuman/damage-control

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Fix damage tracking for surfaces with transforms
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Drew DeVault 2018-11-04 14:31:17 +01:00 • committed by GitHub
commit d7b010024a
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3 changed files with 73 additions and 67 deletions
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11
rootston/output.c
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@ -708,16 +708,11 @@ static void damage_from_surface(struct wlr_surface *surface, int sx, int sy,
int center_x = box.x + box.width/2;
int center_y = box.y + box.height/2;
enum wl_output_transform transform =
wlr_output_transform_invert(surface->current.transform);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_copy(&damage, &surface->buffer_damage);
wlr_region_transform(&damage, &damage, transform,
surface->current.buffer_width, surface->current.buffer_height);
wlr_region_scale(&damage, &damage,
wlr_output->scale / (float)surface->current.scale);
wlr_surface_get_effective_damage(surface, &damage);
wlr_region_scale(&damage, &damage, wlr_output->scale);
if (ceil(wlr_output->scale) > surface->current.scale) {
// When scaling up a surface, it'll become blurry so we need to
// expand the damage region