1 /*
2  * Copyright © 1998 Keith Packard
3  *
4  * Permission to use, copy, modify, distribute, and sell this software and its
5  * documentation for any purpose is hereby granted without fee, provided that
6  * the above copyright notice appear in all copies and that both that
7  * copyright notice and this permission notice appear in supporting
8  * documentation, and that the name of Keith Packard not be used in
9  * advertising or publicity pertaining to distribution of the software without
10  * specific, written prior permission.  Keith Packard makes no
11  * representations about the suitability of this software for any purpose.  It
12  * is provided "as is" without express or implied warranty.
13  *
14  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20  * PERFORMANCE OF THIS SOFTWARE.
21  */
22 
23 #define FbSelectPart(xor,o,t)    xor
24 
25 #ifdef HAVE_DIX_CONFIG_H
26 #include <dix-config.h>
27 #endif
28 
29 #include "fb.h"
30 
31 void
fbSolid(FbBits * dst,FbStride dstStride,int dstX,int bpp,int width,int height,FbBits and,FbBits xor)32 fbSolid(FbBits * dst,
33         FbStride dstStride,
34         int dstX, int bpp, int width, int height, FbBits and, FbBits xor)
35 {
36     FbBits startmask, endmask;
37     int n, nmiddle;
38     int startbyte, endbyte;
39 
40     dst += dstX >> FB_SHIFT;
41     dstX &= FB_MASK;
42     FbMaskBitsBytes(dstX, width, and == 0, startmask, startbyte,
43                     nmiddle, endmask, endbyte);
44     if (startmask)
45         dstStride--;
46     dstStride -= nmiddle;
47     while (height--) {
48         if (startmask) {
49             FbDoLeftMaskByteRRop(dst, startbyte, startmask, and, xor);
50             dst++;
51         }
52         n = nmiddle;
53         if (!and)
54             while (n--)
55                 WRITE(dst++, xor);
56         else
57             while (n--) {
58                 WRITE(dst, FbDoRRop(READ(dst), and, xor));
59                 dst++;
60             }
61         if (endmask)
62             FbDoRightMaskByteRRop(dst, endbyte, endmask, and, xor);
63         dst += dstStride;
64     }
65 }
66