1 /*
2  *
3  * Copyright © 2000 SuSE, Inc.
4  *
5  * Permission to use, copy, modify, distribute, and sell this software and its
6  * documentation for any purpose is hereby granted without fee, provided that
7  * the above copyright notice appear in all copies and that both that
8  * copyright notice and this permission notice appear in supporting
9  * documentation, and that the name of SuSE not be used in advertising or
10  * publicity pertaining to distribution of the software without specific,
11  * written prior permission.  SuSE makes no representations about the
12  * suitability of this software for any purpose.  It is provided "as is"
13  * without express or implied warranty.
14  *
15  * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
17  * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
19  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21  *
22  * Author:  Keith Packard, SuSE, Inc.
23  */
24 
25 #ifdef HAVE_CONFIG_H
26 #include <config.h>
27 #endif
28 #include "Xrenderint.h"
29 
30 /* precompute the maximum size of batching request allowed */
31 
32 #define size (SIZEOF(xRenderFillRectanglesReq) + FRCTSPERBATCH * SIZEOF(xRectangle))
33 
34 void
XRenderFillRectangles(Display * dpy,int op,Picture dst,_Xconst XRenderColor * color,_Xconst XRectangle * rectangles,int n_rects)35 XRenderFillRectangles (Display		    *dpy,
36 		       int		    op,
37 		       Picture		    dst,
38 		       _Xconst XRenderColor *color,
39 		       _Xconst XRectangle   *rectangles,
40 		       int		    n_rects)
41 {
42     XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
43     xRenderFillRectanglesReq	*req;
44     long			len;
45     int				n;
46 
47     RenderSimpleCheckExtension (dpy, info);
48     LockDisplay(dpy);
49 
50     while (n_rects)
51     {
52 	GetReq(RenderFillRectangles, req);
53 
54 	req->reqType = info->codes->major_opcode;
55 	req->renderReqType = X_RenderFillRectangles;
56 	req->op = op;
57 	req->dst = dst;
58 	req->color.red = color->red;
59 	req->color.green = color->green;
60 	req->color.blue = color->blue;
61 	req->color.alpha = color->alpha;
62 
63 	n = n_rects;
64 	len = ((long)n) << 1;
65 	if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length))
66 	{
67 	    n = (dpy->max_request_size - req->length) >> 1;
68 	    len = ((long)n) << 1;
69 	}
70 	SetReqLen(req, len, len);
71 	len <<= 2; /* watch out for macros... */
72 	Data16 (dpy, (short *) rectangles, len);
73 	n_rects -= n;
74 	rectangles += n;
75     }
76     UnlockDisplay(dpy);
77     SyncHandle();
78 }
79 
80