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authorVille Syrjälä <ville.syrjala@linux.intel.com>2014-07-08 10:31:55 +0530
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-07-11 23:44:12 +0200
commit07074006cd951f7a952512c57d60788ee7ea18db (patch)
tree9ddc3b8eda1f941782f09adfdd0a30658c2720b1 /include/drm
parenta4969dd78735ea61bf67712987e1bd69d32e243c (diff)
drm: Add drm_rect rotation functions
Add some helper functions to move drm_rects between different rotated coordinate spaces. One function does the forward transform and another does the inverse. Cc: dri-devel@lists.freedesktop.org Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Acked-by: Dave Airlie <airlied@linux.ie> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_rect.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h
index d1286297567b..26bb55e9e8b6 100644
--- a/include/drm/drm_rect.h
+++ b/include/drm/drm_rect.h
@@ -163,5 +163,11 @@ int drm_rect_calc_vscale_relaxed(struct drm_rect *src,
struct drm_rect *dst,
int min_vscale, int max_vscale);
void drm_rect_debug_print(const struct drm_rect *r, bool fixed_point);
+void drm_rect_rotate(struct drm_rect *r,
+ int width, int height,
+ unsigned int rotation);
+void drm_rect_rotate_inv(struct drm_rect *r,
+ int width, int height,
+ unsigned int rotation);
#endif