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source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.9.0/shrotpack.h@ 61386

最後變更 在這個檔案從61386是 32163,由 vboxsync 提交於 14 年 前

Additions/x11/x11include: additional headers for building drivers for X.Org Server 1.9

  • 屬性 svn:eol-style 設為 native
檔案大小: 6.1 KB
 
1/*
2 *
3 * Copyright © 2000 Keith Packard
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 Keith Packard not be used in
10 * advertising or publicity pertaining to distribution of the software without
11 * specific, written prior permission. Keith Packard makes no
12 * representations about the suitability of this software for any purpose. It
13 * is provided "as is" without express or implied warranty.
14 *
15 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
16 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
17 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
18 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
19 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
20 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
21 * PERFORMANCE OF THIS SOFTWARE.
22 */
23
24/*
25 * Thanks to Daniel Chemko <[email protected]> for making the 90 and 180
26 * orientations work.
27 */
28
29#ifdef HAVE_DIX_CONFIG_H
30#include <dix-config.h>
31#endif
32
33#include <stdlib.h>
34
35#include <X11/X.h>
36#include "scrnintstr.h"
37#include "windowstr.h"
38#include <X11/fonts/font.h>
39#include "dixfontstr.h"
40#include <X11/fonts/fontstruct.h>
41#include "mi.h"
42#include "regionstr.h"
43#include "globals.h"
44#include "gcstruct.h"
45#include "shadow.h"
46#include "fb.h"
47
48#define DANDEBUG 0
49
50#if ROTATE == 270
51
52#define SCRLEFT(x,y,w,h) (pScreen->height - ((y) + (h)))
53#define SCRY(x,y,w,h) (x)
54#define SCRWIDTH(x,y,w,h) (h)
55#define FIRSTSHA(x,y,w,h) (((y) + (h) - 1) * shaStride + (x))
56#define STEPDOWN(x,y,w,h) ((w)--)
57#define NEXTY(x,y,w,h) ((x)++)
58#define SHASTEPX(stride) -(stride)
59#define SHASTEPY(stride) (1)
60
61#elif ROTATE == 90
62
63#define SCRLEFT(x,y,w,h) (y)
64#define SCRY(x,y,w,h) (pScreen->width - ((x) + (w)) - 1)
65#define SCRWIDTH(x,y,w,h) (h)
66#define FIRSTSHA(x,y,w,h) ((y) * shaStride + (x + w - 1))
67#define STEPDOWN(x,y,w,h) ((w)--)
68#define NEXTY(x,y,w,h) ((void)(x))
69#define SHASTEPX(stride) (stride)
70#define SHASTEPY(stride) (-1)
71
72#elif ROTATE == 180
73
74#define SCRLEFT(x,y,w,h) (pScreen->width - ((x) + (w)))
75#define SCRY(x,y,w,h) (pScreen->height - ((y) + (h)) - 1)
76#define SCRWIDTH(x,y,w,h) (w)
77#define FIRSTSHA(x,y,w,h) ((y + h - 1) * shaStride + (x + w - 1))
78#define STEPDOWN(x,y,w,h) ((h)--)
79#define NEXTY(x,y,w,h) ((void)(y))
80#define SHASTEPX(stride) (-1)
81#define SHASTEPY(stride) -(stride)
82
83#else
84
85#define SCRLEFT(x,y,w,h) (x)
86#define SCRY(x,y,w,h) (y)
87#define SCRWIDTH(x,y,w,h) (w)
88#define FIRSTSHA(x,y,w,h) ((y) * shaStride + (x))
89#define STEPDOWN(x,y,w,h) ((h)--)
90#define NEXTY(x,y,w,h) ((y)++)
91#define SHASTEPX(stride) (1)
92#define SHASTEPY(stride) (stride)
93
94#endif
95
96void
97FUNC (ScreenPtr pScreen,
98 shadowBufPtr pBuf)
99{
100 RegionPtr damage = shadowDamage (pBuf);
101 PixmapPtr pShadow = pBuf->pPixmap;
102 int nbox = RegionNumRects (damage);
103 BoxPtr pbox = RegionRects (damage);
104 FbBits *shaBits;
105 Data *shaBase, *shaLine, *sha;
106 FbStride shaStride;
107 int scrBase, scrLine, scr;
108 int shaBpp;
109 int shaXoff, shaYoff; /* XXX assumed to be zero */
110 int x, y, w, h, width;
111 int i;
112 Data *winBase = NULL, *win;
113 CARD32 winSize;
114
115 fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff);
116 shaBase = (Data *) shaBits;
117 shaStride = shaStride * sizeof (FbBits) / sizeof (Data);
118#if (DANDEBUG > 1)
119 ErrorF ("-> Entering Shadow Update:\r\n |- Origins: pShadow=%x, pScreen=%x, damage=%x\r\n |- Metrics: shaStride=%d, shaBase=%x, shaBpp=%d\r\n | \n", pShadow, pScreen, damage, shaStride, shaBase, shaBpp);
120#endif
121 while (nbox--)
122 {
123 x = pbox->x1;
124 y = pbox->y1;
125 w = (pbox->x2 - pbox->x1);
126 h = pbox->y2 - pbox->y1;
127
128#if (DANDEBUG > 2)
129 ErrorF (" |-> Redrawing box - Metrics: X=%d, Y=%d, Width=%d, Height=%d\n", x, y, w, h);
130#endif
131 scrLine = SCRLEFT(x,y,w,h);
132 shaLine = shaBase + FIRSTSHA(x,y,w,h);
133
134 while (STEPDOWN(x,y,w,h))
135 {
136 winSize = 0;
137 scrBase = 0;
138 width = SCRWIDTH(x,y,w,h);
139 scr = scrLine;
140 sha = shaLine;
141#if (DANDEBUG > 3)
142 ErrorF (" | |-> StepDown - Metrics: width=%d, scr=%x, sha=%x\n", width, scr, sha);
143#endif
144 while (width)
145 {
146 /* how much remains in this window */
147 i = scrBase + winSize - scr;
148 if (i <= 0 || scr < scrBase)
149 {
150 winBase = (Data *) (*pBuf->window) (pScreen,
151 SCRY(x,y,w,h),
152 scr * sizeof (Data),
153 SHADOW_WINDOW_WRITE,
154 &winSize,
155 pBuf->closure);
156 if(!winBase)
157 return;
158 scrBase = scr;
159 winSize /= sizeof (Data);
160 i = winSize;
161#if(DANDEBUG > 4)
162 ErrorF (" | | |-> Starting New Line - Metrics: winBase=%x, scrBase=%x, winSize=%d\r\n | | | Xstride=%d, Ystride=%d, w=%d h=%d\n", winBase, scrBase, winSize, SHASTEPX(shaStride), SHASTEPY(shaStride), w, h);
163#endif
164 }
165 win = winBase + (scr - scrBase);
166 if (i > width)
167 i = width;
168 width -= i;
169 scr += i;
170#if(DANDEBUG > 5)
171 ErrorF (" | | |-> Writing Line - Metrics: win=%x, sha=%x\n", win, sha);
172#endif
173 while (i--)
174 {
175#if(DANDEBUG > 6)
176 ErrorF (" | | |-> Writing Pixel - Metrics: win=%x, sha=%d, remaining=%d\n", win, sha, i);
177#endif
178 *win++ = *sha;
179 sha += SHASTEPX(shaStride);
180 } /* i */
181 } /* width */
182 shaLine += SHASTEPY(shaStride);
183 NEXTY(x,y,w,h);
184 } /* STEPDOWN */
185 pbox++;
186 } /* nbox */
187}
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