53  * @r: rectangle struct
55 #define DRM_RECT_ARG(r) drm_rect_width(r), drm_rect_height(r), (r)->x1, (r)->y1  argument
63  * @r: rectangle struct
68 #define DRM_RECT_FP_ARG(r) \  argument
69 		drm_rect_width(r) >> 16, ((drm_rect_width(r) & 0xffff) * 15625) >> 10, \
70 		drm_rect_height(r) >> 16, ((drm_rect_height(r) & 0xffff) * 15625) >> 10, \
71 		(r)->x1 >> 16, (((r)->x1 & 0xffff) * 15625) >> 10, \
72 		(r)->y1 >> 16, (((r)->y1 & 0xffff) * 15625) >> 10
76  * @r: rectangle
82 static inline void drm_rect_init(struct drm_rect *r, int x, int y,  in drm_rect_init()  argument
85 	r->x1 = x;  in drm_rect_init()
86 	r->y1 = y;  in drm_rect_init()
87 	r->x2 = x + width;  in drm_rect_init()
88 	r->y2 = y + height;  in drm_rect_init()
93  * @r: rectangle to be adjusted
97  * Change the size of rectangle @r by @dw in the horizontal direction,
99  * of @r stationary.
103 static inline void drm_rect_adjust_size(struct drm_rect *r, int dw, int dh)  in drm_rect_adjust_size()  argument
105 	r->x1 -= dw >> 1;  in drm_rect_adjust_size()
106 	r->y1 -= dh >> 1;  in drm_rect_adjust_size()
107 	r->x2 += (dw + 1) >> 1;  in drm_rect_adjust_size()
108 	r->y2 += (dh + 1) >> 1;  in drm_rect_adjust_size()
113  * @r: rectangle to be tranlated
117  * Move rectangle @r by @dx in the horizontal direction,
120 static inline void drm_rect_translate(struct drm_rect *r, int dx, int dy)  in drm_rect_translate()  argument
122 	r->x1 += dx;  in drm_rect_translate()
123 	r->y1 += dy;  in drm_rect_translate()
124 	r->x2 += dx;  in drm_rect_translate()
125 	r->y2 += dy;  in drm_rect_translate()
130  * @r: rectangle to be tranlated
134  * Move rectangle @r to @x in the horizontal direction,
137 static inline void drm_rect_translate_to(struct drm_rect *r, int x, int y)  in drm_rect_translate_to()  argument
139 	drm_rect_translate(r, x - r->x1, y - r->y1);  in drm_rect_translate_to()
144  * @r: rectangle to be downscaled
148  * Divide the coordinates of rectangle @r by @horz and @vert.
150 static inline void drm_rect_downscale(struct drm_rect *r, int horz, int vert)  in drm_rect_downscale()  argument
152 	r->x1 /= horz;  in drm_rect_downscale()
153 	r->y1 /= vert;  in drm_rect_downscale()
154 	r->x2 /= horz;  in drm_rect_downscale()
155 	r->y2 /= vert;  in drm_rect_downscale()
160  * @r: rectangle whose width is returned
165 static inline int drm_rect_width(const struct drm_rect *r)  in drm_rect_width()  argument
167 	return r->x2 - r->x1;  in drm_rect_width()
172  * @r: rectangle whose height is returned
177 static inline int drm_rect_height(const struct drm_rect *r)  in drm_rect_height()  argument
179 	return r->y2 - r->y1;  in drm_rect_height()
184  * @r: rectangle whose visibility is returned
189 static inline bool drm_rect_visible(const struct drm_rect *r)  in drm_rect_visible()  argument
191 	return drm_rect_width(r) > 0 && drm_rect_height(r) > 0;  in drm_rect_visible()
209 bool drm_rect_intersect(struct drm_rect *r, const struct drm_rect *clip);
219 			  const struct drm_rect *r, bool fixed_point);
220 void drm_rect_rotate(struct drm_rect *r,
223 void drm_rect_rotate_inv(struct drm_rect *r,