diff options
Diffstat (limited to 'include/drm/drm_rect.h')
| -rw-r--r-- | include/drm/drm_rect.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h index 6195820aa5c5..cd0106135b6a 100644 --- a/include/drm/drm_rect.h +++ b/include/drm/drm_rect.h @@ -70,6 +70,23 @@ struct drm_rect { (r)->y1 >> 16, (((r)->y1 & 0xffff) * 15625) >> 10 /** + * drm_rect_init - initialize the rectangle from x/y/w/h + * @r: rectangle + * @x: x coordinate + * @y: y coordinate + * @width: width + * @height: height + */ +static inline void drm_rect_init(struct drm_rect *r, int x, int y, + int width, int height) +{ + r->x1 = x; + r->y1 = y; + r->x2 = x + width; + r->y2 = y + height; +} + +/** * drm_rect_adjust_size - adjust the size of the rectangle * @r: rectangle to be adjusted * @dw: horizontal adjustment @@ -107,6 +124,20 @@ static inline void drm_rect_translate(struct drm_rect *r, int dx, int dy) } /** + * drm_rect_translate_to - translate the rectangle to an absolute position + * @r: rectangle to be tranlated + * @x: horizontal position + * @y: vertical position + * + * Move rectangle @r to @x in the horizontal direction, + * and to @y in the vertical direction. + */ +static inline void drm_rect_translate_to(struct drm_rect *r, int x, int y) +{ + drm_rect_translate(r, x - r->x1, y - r->y1); +} + +/** * drm_rect_downscale - downscale a rectangle * @r: rectangle to be downscaled * @horz: horizontal downscale factor |