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wlr_surface: fix surface damage on resize 

Instead of damaging the buffer, damage only the surface on surface (not
buffer) resize.
This commit is contained in:
random human 2018-09-25 00:49:18 +05:30
parent 971cbeaa19
commit 3fd5da58a0
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GPG Key ID: 73E5A60444CC77A3
1 changed files with 16 additions and 16 deletions
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32
types/wlr_surface.c
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@ -173,8 +173,11 @@ static void surface_update_damage(pixman_region32_t *buffer_damage,
struct wlr_surface_state *previous, struct wlr_surface_state *current) {
pixman_region32_clear(buffer_damage);
if (current->buffer_width != previous->buffer_width ||
current->buffer_height != previous->buffer_height ||
pixman_region32_t surface_damage;
pixman_region32_init(&surface_damage);
if (current->width != previous->width ||
current->height != previous->height ||
current->dx != 0 || current->dy != 0) {
// Damage the whole surface on resize or move
int prev_x = -current->dx;
@ -185,26 +188,23 @@ static void surface_update_damage(pixman_region32_t *buffer_damage,
prev_y = tmp;
}
pixman_region32_union_rect(buffer_damage, buffer_damage,
prev_x * previous->scale, prev_y * previous->scale,
previous->buffer_width, previous->buffer_height);
pixman_region32_union_rect(buffer_damage, buffer_damage, 0, 0,
current->buffer_width, current->buffer_height);
pixman_region32_union_rect(&surface_damage, &surface_damage, prev_x,
prev_y, previous->width, previous->height);
pixman_region32_union_rect(&surface_damage, &surface_damage, 0, 0,
current->width, current->height);
} else {
// Copy over surface damage + buffer damage
pixman_region32_union(buffer_damage, buffer_damage,
&current->buffer_damage);
pixman_region32_t surface_damage;
pixman_region32_init(&surface_damage);
pixman_region32_copy(&surface_damage, &current->surface_damage);
wlr_region_transform(&surface_damage, &surface_damage,
wlr_output_transform_invert(current->transform),
current->width, current->height);
wlr_region_scale(&surface_damage, &surface_damage, current->scale);
pixman_region32_union(buffer_damage, buffer_damage, &surface_damage);
pixman_region32_fini(&surface_damage);
}
wlr_region_transform(&surface_damage, &surface_damage,
wlr_output_transform_invert(current->transform),
current->width, current->height);
wlr_region_scale(&surface_damage, &surface_damage, current->scale);
pixman_region32_union(buffer_damage, buffer_damage, &surface_damage);
pixman_region32_fini(&surface_damage);
}
static void surface_state_copy(struct wlr_surface_state *state,