drm: Add drm_rect rotation functions

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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>

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Ville Syrjälä 2014-07-08 10:31:55 +05:30 • committed by Daniel Vetter

parent a4969dd787

commit 07074006cd

2 changed files with 146 additions and 0 deletions

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include/drm/drm_rect.h

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