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Merge pull request #751 from emersion/rotated-surface-damage

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Fix damage tracking for rotated surfaces
This commit is contained in:
Drew DeVault 2018-03-26 18:05:35 -04:00 • committed by GitHub
commit 891610081f
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 86 additions and 28 deletions
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45
rootston/output.c
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@ -486,6 +486,10 @@ static void render_output(struct roots_output *output) {
goto renderer_end;
}
if (server->config->debug_damage_tracking) {
wlr_renderer_clear(renderer, (float[]){1, 1, 0, 0});
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
@ -667,32 +671,23 @@ static void damage_from_surface(struct wlr_surface *surface,
surface_intersect_output(surface, output->desktop->layout,
wlr_output, lx, ly, rotation, &box);
if (rotation == 0) {
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_copy(&damage, &surface->current->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
wlr_region_expand(&damage, &damage,
ceil(wlr_output->scale) - surface->current->scale);
}
pixman_region32_translate(&damage, box.x, box.y);
wlr_output_damage_add(output->damage, &damage);
pixman_region32_fini(&damage);
} else {
pixman_box32_t *extents =
pixman_region32_extents(&surface->current->surface_damage);
struct wlr_box damage_box = {
.x = box.x + extents->x1 * wlr_output->scale,
.y = box.y + extents->y1 * wlr_output->scale,
.width = (extents->x2 - extents->x1) * wlr_output->scale,
.height = (extents->y2 - extents->y1) * wlr_output->scale,
};
wlr_box_rotated_bounds(&damage_box, rotation, &damage_box);
wlr_output_damage_add_box(output->damage, &damage_box);
int center_x = box.x + box.width/2;
int center_y = box.y + box.height/2;
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_copy(&damage, &surface->current->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
wlr_region_expand(&damage, &damage,
ceil(wlr_output->scale) - surface->current->scale);
}
pixman_region32_translate(&damage, box.x, box.y);
wlr_region_rotated_bounds(&damage, &damage, rotation, center_x, center_y);
wlr_output_damage_add(output->damage, &damage);
pixman_region32_fini(&damage);
}
void output_damage_from_view(struct roots_output *output,