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authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-04-24 18:52:37 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-04-30 22:20:05 +0200
commit0894c96bff762d0474a8722bba3d420f643db359 (patch)
treec29be8c57296ccd5d3be5f06788236412607e859 /include/drm/drm_rect.h
parente7272df342ba337e87e210470bb93d97d192f2e0 (diff)
downloadlinux-0894c96bff762d0474a8722bba3d420f643db359.tar.bz2
drm: Add drm_rect_equals()
drm_rect_equals() tells whether two drm_rects are equal. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by: Dave Airlie <airlied@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm/drm_rect.h')
-rw-r--r--include/drm/drm_rect.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h
index fe767b757c8c..64fa265c6ffb 100644
--- a/include/drm/drm_rect.h
+++ b/include/drm/drm_rect.h
@@ -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,