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DRM_RECT_CLIP_SCALED(9) DRM Core DRM_RECT_CLIP_SCALED(9)

NAME

drm_rect_clip_scaled - perform a scaled clip operation

SYNOPSIS

bool drm_rect_clip_scaled(struct drm_rect * src, struct drm_rect * dst, const struct drm_rect * clip, int hscale, int vscale);

ARGUMENTS

src
source window rectangle
dst
destination window rectangle
clip
clip rectangle
hscale
horizontal scaling factor
vscale
vertical scaling factor

DESCRIPTION

Clip rectangle dst by rectangle clip. Clip rectangle src by the same amounts multiplied by hscale and vscale.

RETURNS

 
true if rectangle dst is still visible after being clipped, false otherwise

AUTHORS

Jesse Barnes <jesse.barnes@intel.com>
 
Intel Corporation,
Initial version
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 
Ideas on board SPRL,
Driver internals
Daniel Vetter <daniel.vetter@ffwll.ch>
 
Intel Corporation,
Contributions all over the place

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16