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Merge branch 'github/fork/zsugabubus/scale-round' into 'master'

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scene: fix scaling of negative coordinates

See merge request wlroots/wlroots!3312
This commit is contained in:
Simon Ser 2025-06-12 05:27:01 +00:00
commit c7d501b634
1 changed files with 3 additions and 3 deletions
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6
types/scene/wlr_scene.c
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@ -347,14 +347,14 @@ static void output_to_buffer_coords(pixman_region32_t *damage, struct wlr_output
} }
static int scale_length(int length, int offset, float scale) { static int scale_length(int length, int offset, float scale) {
return round((offset + length) * scale) - round(offset * scale); return (int)((offset + length) * scale + .5f) - (int)(offset * scale + .5f);
} }
static void scale_box(struct wlr_box *box, float scale) { static void scale_box(struct wlr_box *box, float scale) {
box->width = scale_length(box->width, box->x, scale); box->width = scale_length(box->width, box->x, scale);
box->height = scale_length(box->height, box->y, scale); box->height = scale_length(box->height, box->y, scale);
box->x = round(box->x * scale); box->x = box->x * scale + .5f;
box->y = round(box->y * scale); box->y = box->y * scale + .5f;
} }
static void transform_output_box(struct wlr_box *box, const struct render_data *data) { static void transform_output_box(struct wlr_box *box, const struct render_data *data) {