Imported Upstream version 1.15.1
[deb_xorg-server.git] / fb / fbwindow.c
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 #ifdef HAVE_DIX_CONFIG_H
24 #include <dix-config.h>
25 #endif
26
27 #include <stdlib.h>
28
29 #include "fb.h"
30
31 Bool
32 fbCreateWindow(WindowPtr pWin)
33 {
34 dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(pWin),
35 fbGetScreenPixmap(pWin->drawable.pScreen));
36 if (pWin->drawable.bitsPerPixel == 32)
37 pWin->drawable.bitsPerPixel =
38 fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;
39 return TRUE;
40 }
41
42 Bool
43 fbDestroyWindow(WindowPtr pWin)
44 {
45 return TRUE;
46 }
47
48 Bool
49 fbMapWindow(WindowPtr pWindow)
50 {
51 return TRUE;
52 }
53
54 Bool
55 fbPositionWindow(WindowPtr pWin, int x, int y)
56 {
57 return TRUE;
58 }
59
60 Bool
61 fbUnmapWindow(WindowPtr pWindow)
62 {
63 return TRUE;
64 }
65
66 void
67 fbCopyWindowProc(DrawablePtr pSrcDrawable,
68 DrawablePtr pDstDrawable,
69 GCPtr pGC,
70 BoxPtr pbox,
71 int nbox,
72 int dx,
73 int dy,
74 Bool reverse, Bool upsidedown, Pixel bitplane, void *closure)
75 {
76 FbBits *src;
77 FbStride srcStride;
78 int srcBpp;
79 int srcXoff, srcYoff;
80 FbBits *dst;
81 FbStride dstStride;
82 int dstBpp;
83 int dstXoff, dstYoff;
84
85 fbGetDrawable(pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
86 fbGetDrawable(pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
87
88 while (nbox--) {
89 fbBlt(src + (pbox->y1 + dy + srcYoff) * srcStride,
90 srcStride,
91 (pbox->x1 + dx + srcXoff) * srcBpp,
92 dst + (pbox->y1 + dstYoff) * dstStride,
93 dstStride,
94 (pbox->x1 + dstXoff) * dstBpp,
95 (pbox->x2 - pbox->x1) * dstBpp,
96 (pbox->y2 - pbox->y1),
97 GXcopy, FB_ALLONES, dstBpp, reverse, upsidedown);
98 pbox++;
99 }
100
101 fbFinishAccess(pDstDrawable);
102 fbFinishAccess(pSrcDrawable);
103 }
104
105 void
106 fbCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
107 {
108 RegionRec rgnDst;
109 int dx, dy;
110
111 PixmapPtr pPixmap = fbGetWindowPixmap(pWin);
112 DrawablePtr pDrawable = &pPixmap->drawable;
113
114 dx = ptOldOrg.x - pWin->drawable.x;
115 dy = ptOldOrg.y - pWin->drawable.y;
116 RegionTranslate(prgnSrc, -dx, -dy);
117
118 RegionNull(&rgnDst);
119
120 RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
121
122 #ifdef COMPOSITE
123 if (pPixmap->screen_x || pPixmap->screen_y)
124 RegionTranslate(&rgnDst, -pPixmap->screen_x, -pPixmap->screen_y);
125 #endif
126
127 miCopyRegion(pDrawable, pDrawable,
128 0, &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
129
130 RegionUninit(&rgnDst);
131 fbValidateDrawable(&pWin->drawable);
132 }
133
134 static void
135 fbFixupWindowPixmap(DrawablePtr pDrawable, PixmapPtr *ppPixmap)
136 {
137 PixmapPtr pPixmap = *ppPixmap;
138
139 if (pPixmap->drawable.bitsPerPixel != pDrawable->bitsPerPixel) {
140 pPixmap = fb24_32ReformatTile(pPixmap, pDrawable->bitsPerPixel);
141 if (!pPixmap)
142 return;
143 (*pDrawable->pScreen->DestroyPixmap) (*ppPixmap);
144 *ppPixmap = pPixmap;
145 }
146 if (FbEvenTile(pPixmap->drawable.width * pPixmap->drawable.bitsPerPixel))
147 fbPadPixmap(pPixmap);
148 }
149
150 Bool
151 fbChangeWindowAttributes(WindowPtr pWin, unsigned long mask)
152 {
153 if (mask & CWBackPixmap) {
154 if (pWin->backgroundState == BackgroundPixmap)
155 fbFixupWindowPixmap(&pWin->drawable, &pWin->background.pixmap);
156 }
157 if (mask & CWBorderPixmap) {
158 if (pWin->borderIsPixel == FALSE)
159 fbFixupWindowPixmap(&pWin->drawable, &pWin->border.pixmap);
160 }
161 return TRUE;
162 }
163
164 void
165 fbFillRegionSolid(DrawablePtr pDrawable,
166 RegionPtr pRegion, FbBits and, FbBits xor)
167 {
168 FbBits *dst;
169 FbStride dstStride;
170 int dstBpp;
171 int dstXoff, dstYoff;
172 int n = RegionNumRects(pRegion);
173 BoxPtr pbox = RegionRects(pRegion);
174
175 #ifndef FB_ACCESS_WRAPPER
176 int try_mmx = 0;
177
178 if (!and)
179 try_mmx = 1;
180 #endif
181
182 fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
183
184 while (n--) {
185 #ifndef FB_ACCESS_WRAPPER
186 if (!try_mmx || !pixman_fill((uint32_t *) dst, dstStride, dstBpp,
187 pbox->x1 + dstXoff, pbox->y1 + dstYoff,
188 (pbox->x2 - pbox->x1),
189 (pbox->y2 - pbox->y1), xor)) {
190 #endif
191 fbSolid(dst + (pbox->y1 + dstYoff) * dstStride,
192 dstStride,
193 (pbox->x1 + dstXoff) * dstBpp,
194 dstBpp,
195 (pbox->x2 - pbox->x1) * dstBpp,
196 pbox->y2 - pbox->y1, and, xor);
197 #ifndef FB_ACCESS_WRAPPER
198 }
199 #endif
200 fbValidateDrawable(pDrawable);
201 pbox++;
202 }
203
204 fbFinishAccess(pDrawable);
205 }