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Commit 0894c96b authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter
Browse files

drm: Add drm_rect_equals() 



drm_rect_equals() tells whether two drm_rects are equal.

Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: default avatarDave Airlie <airlied@gmail.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent e7272df3

include/drm/drm_rect.h

+15 −0
Original line number Diff line number Diff line
@@ -124,6 +124,21 @@ static inline bool drm_rect_visible(const struct drm_rect *r) 
	return drm_rect_width(r) > 0 && drm_rect_height(r) > 0;

}



/**

 * drm_rect_equals - determine if two rectangles are equal

 * @r1: first rectangle

 * @r2: second rectangle

 *

 * RETURNS:

 * %true if the rectangles are equal, %false otherwise.

 */

static inline bool drm_rect_equals(const struct drm_rect *r1,

				   const struct drm_rect *r2)

{

	return r1->x1 == r2->x1 && r1->x2 == r2->x2 &&

		r1->y1 == r2->y1 && r1->y2 == r2->y2;

}



bool drm_rect_intersect(struct drm_rect *r, const struct drm_rect *clip);

bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst,

			  const struct drm_rect *clip,