File: FillRects.c

package info (click to toggle)
xrender 0.8.3-7
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 1,500 kB
  • ctags: 347
  • sloc: sh: 8,198; ansic: 2,729; makefile: 26
file content (77 lines) | stat: -rw-r--r-- 2,505 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/*
 * $Id: FillRects.c,v 1.4 2003/04/24 03:29:15 nlevitt Exp $
 *
 * Copyright  2000 SuSE, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of SuSE not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  SuSE makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author:  Keith Packard, SuSE, Inc.
 */

#include "Xrenderint.h"

/* precompute the maximum size of batching request allowed */

#define size (SIZEOF(xRenderFillRectanglesReq) + FRCTSPERBATCH * SIZEOF(xRectangle))

void
XRenderFillRectangles (Display		    *dpy,
		       int		    op,
		       Picture		    dst,
		       _Xconst XRenderColor *color,
		       _Xconst XRectangle   *rectangles,
		       int		    n_rects)
{
    XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
    xRenderFillRectanglesReq	*req;
    long			len;
    int				n;

    RenderSimpleCheckExtension (dpy, info);
    LockDisplay(dpy);

    while (n_rects) 
    {
	GetReq(RenderFillRectangles, req);
	
	req->reqType = info->codes->major_opcode;
	req->renderReqType = X_RenderFillRectangles;
	req->op = op;
	req->dst = dst;
	req->color.red = color->red;
	req->color.green = color->green;
	req->color.blue = color->blue;
	req->color.alpha = color->alpha;
	
	n = n_rects;
	len = ((long)n) << 1;
	if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length)) 
	{
	    n = (dpy->max_request_size - req->length) >> 1;
	    len = ((long)n) << 1;
	}
	SetReqLen(req, len, len);
	len <<= 2; /* watch out for macros... */
	Data16 (dpy, (short *) rectangles, len);
	n_rects -= n;
	rectangles += n;
    }
    UnlockDisplay(dpy);
    SyncHandle();
}