56  * @r: rectangle struct
58 #define DRM_RECT_ARG(r) drm_rect_width(r), drm_rect_height(r), (r)->x1, (r)->y1  argument
66  * @r: rectangle struct
71 #define DRM_RECT_FP_ARG(r) \  argument
72 		drm_rect_width(r) >> 16, ((drm_rect_width(r) & 0xffff) * 15625) >> 10, \
73 		drm_rect_height(r) >> 16, ((drm_rect_height(r) & 0xffff) * 15625) >> 10, \
74 		(r)->x1 >> 16, (((r)->x1 & 0xffff) * 15625) >> 10, \
75 		(r)->y1 >> 16, (((r)->y1 & 0xffff) * 15625) >> 10
79  * @r: rectangle
85 static inline void drm_rect_init(struct drm_rect *r, int x, int y,  in drm_rect_init()  argument
88 	r->x1 = x;  in drm_rect_init()
89 	r->y1 = y;  in drm_rect_init()
90 	r->x2 = x + width;  in drm_rect_init()
91 	r->y2 = y + height;  in drm_rect_init()
96  * @r: rectangle to be adjusted
100  * Change the size of rectangle @r by @dw in the horizontal direction,
102  * of @r stationary.
106 static inline void drm_rect_adjust_size(struct drm_rect *r, int dw, int dh)  in drm_rect_adjust_size()  argument
108 	r->x1 -= dw >> 1;  in drm_rect_adjust_size()
109 	r->y1 -= dh >> 1;  in drm_rect_adjust_size()
110 	r->x2 += (dw + 1) >> 1;  in drm_rect_adjust_size()
111 	r->y2 += (dh + 1) >> 1;  in drm_rect_adjust_size()
116  * @r: rectangle to be tranlated
120  * Move rectangle @r by @dx in the horizontal direction,
123 static inline void drm_rect_translate(struct drm_rect *r, int dx, int dy)  in drm_rect_translate()  argument
125 	r->x1 += dx;  in drm_rect_translate()
126 	r->y1 += dy;  in drm_rect_translate()
127 	r->x2 += dx;  in drm_rect_translate()
128 	r->y2 += dy;  in drm_rect_translate()
133  * @r: rectangle to be tranlated
137  * Move rectangle @r to @x in the horizontal direction,
140 static inline void drm_rect_translate_to(struct drm_rect *r, int x, int y)  in drm_rect_translate_to()  argument
142 	drm_rect_translate(r, x - r->x1, y - r->y1);  in drm_rect_translate_to()
147  * @r: rectangle to be downscaled
151  * Divide the coordinates of rectangle @r by @horz and @vert.
153 static inline void drm_rect_downscale(struct drm_rect *r, int horz, int vert)  in drm_rect_downscale()  argument
155 	r->x1 /= horz;  in drm_rect_downscale()
156 	r->y1 /= vert;  in drm_rect_downscale()
157 	r->x2 /= horz;  in drm_rect_downscale()
158 	r->y2 /= vert;  in drm_rect_downscale()
163  * @r: rectangle whose width is returned
168 static inline int drm_rect_width(const struct drm_rect *r)  in drm_rect_width()  argument
170 	return r->x2 - r->x1;  in drm_rect_width()
175  * @r: rectangle whose height is returned
180 static inline int drm_rect_height(const struct drm_rect *r)  in drm_rect_height()  argument
182 	return r->y2 - r->y1;  in drm_rect_height()
187  * @r: rectangle whose visibility is returned
192 static inline bool drm_rect_visible(const struct drm_rect *r)  in drm_rect_visible()  argument
194 	return drm_rect_width(r) > 0 && drm_rect_height(r) > 0;  in drm_rect_visible()
225 bool drm_rect_intersect(struct drm_rect *r, const struct drm_rect *clip);
235 			  const struct drm_rect *r, bool fixed_point);
236 void drm_rect_rotate(struct drm_rect *r,
239 void drm_rect_rotate_inv(struct drm_rect *r,