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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/************************************************************
Copyright 1989, 1998 The Open Group
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.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
********************************************************/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <X11/X.h>
#include "gcstruct.h"
#include "windowstr.h"
#include "pixmapstr.h"
#include "regionstr.h"
#include "scrnintstr.h"
#include "cfb.h"
#include "cfbmskbits.h"
#define isClipped(c,ul,lr) ((((c) - (ul)) | ((lr) - (c))) & ClipMask)
/* WARNING: pbox contains two shorts. This code assumes they are packed
* and can be referenced together as an INT32.
*/
#define PointLoop(fill) { \
for (nbox = REGION_NUM_RECTS(cclip), pbox = REGION_RECTS(cclip); \
--nbox >= 0; \
pbox++) \
{ \
c1 = *((INT32 *) &pbox->x1) - off; \
c2 = *((INT32 *) &pbox->x2) - off - 0x00010001; \
for (ppt = (INT32 *) pptInit, i = npt; --i >= 0;) \
{ \
pt = *ppt++; \
if (!isClipped(pt,c1,c2)) { \
fill \
} \
} \
} \
}
#if PSZ == 24
# include "cfbrrop24.h"
#endif
void
cfbPolyPoint(pDrawable, pGC, mode, npt, pptInit)
DrawablePtr pDrawable;
GCPtr pGC;
int mode;
int npt;
xPoint *pptInit;
{
register INT32 pt;
register INT32 c1, c2;
register CARD32 ClipMask = 0x80008000;
register CfbBits xor;
#ifdef PIXEL_ADDR
register PixelType *addrp;
register int npwidth;
#if PSZ != 24
PixelType *addrpt;
#endif
#else
register CfbBits *addrl;
register int nlwidth;
register int xoffset;
CfbBits *addrlt;
#endif
#if PSZ == 24
RROP_DECLARE
register int xtmp;
register PixelType *p;
#endif
register INT32 *ppt;
RegionPtr cclip;
int nbox;
register int i;
register BoxPtr pbox;
CfbBits and;
int rop = pGC->alu;
int off;
cfbPrivGCPtr devPriv;
xPoint *pptPrev;
devPriv =cfbGetGCPrivate(pGC);
rop = devPriv->rop;
if (rop == GXnoop)
return;
cclip = pGC->pCompositeClip;
xor = devPriv->xor;
if ((mode == CoordModePrevious) && (npt > 1))
{
for (pptPrev = pptInit + 1, i = npt - 1; --i >= 0; pptPrev++)
{
pptPrev->x += (pptPrev-1)->x;
pptPrev->y += (pptPrev-1)->y;
}
}
off = *((int *) &pDrawable->x);
off -= (off & 0x8000) << 1;
#ifdef PIXEL_ADDR
cfbGetPixelWidthAndPointer(pDrawable, npwidth, addrp);
#if PSZ == 24
addrp = addrp + pDrawable->y * npwidth;
#else
addrp = addrp + pDrawable->y * npwidth + pDrawable->x;
#endif
if (rop == GXcopy)
{
#if PSZ == 24
RROP_COPY_SETUP(xor)
#endif
if (!(npwidth & (npwidth - 1)))
{
npwidth = ffs(npwidth) - 1;
#if PSZ == 24
PointLoop(
xtmp = pDrawable->x + intToX(pt);
p = addrp + (intToY(pt) << npwidth) + ((xtmp * 3) >>2);
RROP_SOLID24_COPY(p, xtmp))
#else
PointLoop(*(addrp + (intToY(pt) << npwidth) + intToX(pt)) = xor;)
#endif
}
#ifdef sun
else if (npwidth == 1152)
{
register int y;
PointLoop(y = intToY(pt); *(addrp + (y << 10) + (y << 7) + intToX(pt)) = xor;)
}
#endif
else
{
#if PSZ == 24
PointLoop(
xtmp = pDrawable->x + intToX(pt);
p = addrp + intToY(pt) * npwidth + ((xtmp * 3) >> 2);
RROP_SOLID24_COPY(p, xtmp))
#else
PointLoop(*(addrp + intToY(pt) * npwidth + intToX(pt)) = xor;)
#endif
}
}
else
{
and = devPriv->and;
#if PSZ == 24
RROP_SET_SETUP(xor, and)
PointLoop(
xtmp = pDrawable->x + intToX(pt);
p = addrp + intToY(pt) * npwidth + ((xtmp * 3) >> 2);
RROP_SOLID24_SET(p, xtmp))
#else
PointLoop( addrpt = addrp + intToY(pt) * npwidth + intToX(pt);
*addrpt = DoRRop (*addrpt, and, xor);)
#endif
}
#else /* !PIXEL_ADDR */
cfbGetLongWidthAndPointer(pDrawable, nlwidth, addrl);
addrl = addrl + pDrawable->y * nlwidth + (pDrawable->x >> PWSH);
xoffset = pDrawable->x & PIM;
and = devPriv->and;
#if PSZ == 24
PointLoop( addrlt = addrl + intToY(pt) * nlwidth
+ ((intToX(pt) + xoffset) >> PWSH);
*addrlt = DoRRop (*addrlt,
and | ~cfbmask[(intToX(pt) + xoffset) & PIM],
xor & cfbmask[(intToX(pt) + xoffset) & PIM]);
)
#else
PointLoop( addrlt = addrl + intToY(pt) * nlwidth
+ ((intToX(pt) + xoffset) >> PWSH);
*addrlt = DoRRop (*addrlt,
and | ~cfbmask[((intToX(pt) + xoffset) & 3)<<1],
xor & cfbmask[((intToX(pt) + xoffset) & 3)<<1]);
)
#endif
#endif /* PIXEL_ADDR */
}
|
