40 static void pre_mul_alpha_blend(struct vkms_frame_info *frame_info,  in pre_mul_alpha_blend()  argument
44 	int x_dst = frame_info->dst.x1;  in pre_mul_alpha_blend()
47 	int x_limit = min_t(size_t, drm_rect_width(&frame_info->dst),  in pre_mul_alpha_blend()
58 static int get_y_pos(struct vkms_frame_info *frame_info, int y)  in get_y_pos()  argument
60 	if (frame_info->rotation & DRM_MODE_REFLECT_Y)  in get_y_pos()
61 		return drm_rect_height(&frame_info->rotated) - y - 1;  in get_y_pos()
63 	switch (frame_info->rotation & DRM_MODE_ROTATE_MASK) {  in get_y_pos()
65 		return frame_info->rotated.x2 - y - 1;  in get_y_pos()
67 		return y + frame_info->rotated.x1;  in get_y_pos()
73 static bool check_limit(struct vkms_frame_info *frame_info, int pos)  in check_limit()  argument
75 	if (drm_rotation_90_or_270(frame_info->rotation)) {  in check_limit()
76 		if (pos >= 0 && pos < drm_rect_width(&frame_info->rotated))  in check_limit()
79 		if (pos >= frame_info->rotated.y1 && pos < frame_info->rotated.y2)  in check_limit()
197 			y_pos = get_y_pos(plane[i]->frame_info, y);  in blend()
199 			if (!check_limit(plane[i]->frame_info, y_pos))  in blend()
203 			pre_mul_alpha_blend(plane[i]->frame_info, stage_buffer,  in blend()
238 		if (iosys_map_is_null(&plane_state[i]->frame_info->map[0]))  in check_iosys_map()