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wlr_surface: add wlr_surface_get_effective_damage

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This calculates and returns the effective damage of the surface in
surface coordinates, including the client damage (in buffer
coordinates), and damage induced by resize or move events.
This commit is contained in:
random human 2018-10-04 02:01:04 +05:30
parent 84ecfb546b
commit 3e0a0f3c3a
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GPG key ID: 73E5A60444CC77A3
3 changed files with 56 additions and 30 deletions
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7
rootston/output.c
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@ -696,13 +696,10 @@ 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 = 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_surface_get_effective_damage(surface, &damage);
wlr_region_scale(&damage, &damage,
wlr_output->scale / (float)surface->current.scale);
if (ceil(wlr_output->scale) > surface->current.scale) {