mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2026-02-10 04:27:51 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

scene: use position independent scaling

Browse source 
Signed-off-by: Loukas Agorgianitis <loukas@agorgianitis.com>
This commit is contained in:
Loukas Agorgianitis 2025-04-28 17:51:55 +03:00
parent 9b2a43a485
commit 89656572a9
No known key found for this signature in database
GPG key ID: DDC6FA7D5BB332E6
1 changed files with 4 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

16
types/scene/wlr_scene.c
View file

@ -349,20 +349,12 @@ static void output_to_buffer_coords(pixman_region32_t *damage, struct wlr_output
wlr_output_transform_invert(output->transform), width, height);
}
static int scale_length(double length, double offset, float scale) {
return round((offset + length) * scale) - round(offset * scale);
}
static void scale_box(struct wlr_box *box, struct wlr_fbox *src, float scale) {
box->width = scale_length(src->width, src->x, scale);
box->height = scale_length(src->height, src->y, scale);
box->x = round(src->x * scale);
box->y = round(src->y * scale);
}
static void transform_output_box(struct wlr_box *box, struct wlr_fbox *src, const struct render_data *data) {
enum wl_output_transform transform = wlr_output_transform_invert(data->transform);
scale_box(box, src, data->scale);
box->width = round(src->width * data->scale);
box->height = round(src->height * data->scale);
box->x = round(src->x * data->scale);
box->y = round(src->y * data->scale);
wlr_box_transform(box, box, transform, data->trans_width, data->trans_height);
}