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