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a09e091a JB |
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 "fb.h" | |
28 | ||
29 | void | |
30 | fbSetSpans(DrawablePtr pDrawable, | |
31 | GCPtr pGC, | |
32 | char *src, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted) | |
33 | { | |
34 | FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); | |
35 | RegionPtr pClip = fbGetCompositeClip(pGC); | |
36 | FbBits *dst, *d, *s; | |
37 | FbStride dstStride; | |
38 | int dstBpp; | |
39 | int dstXoff, dstYoff; | |
40 | BoxPtr pbox; | |
41 | int n; | |
42 | int xoff; | |
43 | int x1, x2; | |
44 | ||
45 | if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) { | |
46 | fb24_32SetSpans(pDrawable, pGC, src, ppt, pwidth, nspans, fSorted); | |
47 | return; | |
48 | } | |
49 | fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); | |
50 | while (nspans--) { | |
51 | d = dst + (ppt->y + dstYoff) * dstStride; | |
52 | xoff = (int) (((long) src) & (FB_MASK >> 3)); | |
53 | s = (FbBits *) (src - xoff); | |
54 | xoff <<= 3; | |
55 | n = RegionNumRects(pClip); | |
56 | pbox = RegionRects(pClip); | |
57 | while (n--) { | |
58 | if (pbox->y1 > ppt->y) | |
59 | break; | |
60 | if (pbox->y2 > ppt->y) { | |
61 | x1 = ppt->x; | |
62 | x2 = x1 + *pwidth; | |
63 | if (pbox->x1 > x1) | |
64 | x1 = pbox->x1; | |
65 | if (pbox->x2 < x2) | |
66 | x2 = pbox->x2; | |
67 | if (x1 < x2) | |
68 | fbBlt((FbBits *) s, | |
69 | 0, | |
70 | (x1 - ppt->x) * dstBpp + xoff, | |
71 | d, | |
72 | dstStride, | |
73 | (x1 + dstXoff) * dstBpp, | |
74 | (x2 - x1) * dstBpp, | |
75 | 1, pGC->alu, pPriv->pm, dstBpp, FALSE, FALSE); | |
76 | } | |
77 | } | |
78 | src += PixmapBytePad(*pwidth, pDrawable->depth); | |
79 | ppt++; | |
80 | pwidth++; | |
81 | } | |
82 | fbValidateDrawable(pDrawable); | |
83 | fbFinishAccess(pDrawable); | |
84 | } |