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github.com/openbsd/xenocara
openbsd
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
34void
35XRenderFillRectangle (Display *dpy,
36 int op,
37 Picture dst,
38 _Xconst XRenderColor *color,
39 int x,
40 int y,
41 unsigned int width,
42 unsigned int height)
43{
44 XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
45 xRectangle *rect;
46 xRenderFillRectanglesReq *req;
47#ifdef MUSTCOPY
48 xRectangle rectdata;
49 long len = SIZEOF(xRectangle);
50
51 rect = &rectdata;
52#endif /* MUSTCOPY */
53
54 RenderSimpleCheckExtension (dpy, info);
55 LockDisplay(dpy);
56
57 req = (xRenderFillRectanglesReq *) dpy->last_req;
58 /* if same as previous request, with same drawable, batch requests */
59 if (req->reqType == info->codes->major_opcode &&
60 req->renderReqType == X_RenderFillRectangles &&
61 req->op == op &&
62 req->dst == dst &&
63 req->color.red == color->red &&
64 req->color.green == color->green &&
65 req->color.blue == color->blue &&
66 req->color.alpha == color->alpha &&
67 dpy->bufptr + SIZEOF(xRectangle) <= dpy->bufmax &&
68 (char *)dpy->bufptr - (char *)req < size)
69 {
70 req->length = (CARD16) (req->length + (SIZEOF(xRectangle) >> 2));
71#ifndef MUSTCOPY
72 rect = (xRectangle *) dpy->bufptr;
73 dpy->bufptr += SIZEOF(xRectangle);
74#endif /* not MUSTCOPY */
75 }
76 else
77 {
78 GetReqExtra(RenderFillRectangles, SIZEOF(xRectangle), req);
79
80 req->reqType = (CARD8) info->codes->major_opcode;
81 req->renderReqType = X_RenderFillRectangles;
82 req->op = (CARD8) op;
83 req->dst = (CARD32) dst;
84 req->color.red = color->red;
85 req->color.green = color->green;
86 req->color.blue = color->blue;
87 req->color.alpha = color->alpha;
88
89#ifdef MUSTCOPY
90 dpy->bufptr -= SIZEOF(xRectangle);
91#else
92 rect = (xRectangle *) NEXTPTR(req,xRenderFillRectanglesReq);
93#endif /* MUSTCOPY */
94 }
95 rect->x = (INT16) x;
96 rect->y = (INT16) y;
97 rect->width = (CARD16) width;
98 rect->height = (CARD16) height;
99
100#ifdef MUSTCOPY
101 Data (dpy, (char *) rect, len);
102#endif /* MUSTCOPY */
103 UnlockDisplay(dpy);
104 SyncHandle();
105}
106