Name
drm_rect_calc_vscale —
calculate the vertical scaling factor
Synopsis
int drm_rect_calc_vscale ( | const struct drm_rect * src, |
| | const struct drm_rect * dst, |
| | int min_vscale, |
| | int max_vscale); |
Arguments
src
source window rectangle
dst
destination window rectangle
min_vscale
minimum allowed vertical scaling factor
max_vscale
maximum allowed vertical scaling factor
Description
Calculate the vertical scaling factor as
(src height) / (dst height).
RETURNS
The vertical scaling factor, or errno of out of limits.