diff options
Diffstat (limited to 'xorg-server/fb/fbsetsp.c')
| -rw-r--r-- | xorg-server/fb/fbsetsp.c | 202 |
1 files changed, 100 insertions, 102 deletions
diff --git a/xorg-server/fb/fbsetsp.c b/xorg-server/fb/fbsetsp.c index ce016453f..65ec8b874 100644 --- a/xorg-server/fb/fbsetsp.c +++ b/xorg-server/fb/fbsetsp.c @@ -1,102 +1,100 @@ -/*
- * Copyright © 1998 Keith Packard
- *
- * 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, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "fb.h"
-
-void
-fbSetSpans (DrawablePtr pDrawable,
- GCPtr pGC,
- char *src,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- int fSorted)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- RegionPtr pClip = fbGetCompositeClip(pGC);
- FbBits *dst, *d, *s;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- BoxPtr pbox;
- int n;
- int xoff;
- int x1, x2;
-
-#ifdef FB_24_32BIT
- if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
- {
- fb24_32SetSpans (pDrawable, pGC, src, ppt, pwidth, nspans, fSorted);
- return;
- }
-#endif
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- while (nspans--)
- {
- d = dst + (ppt->y + dstYoff) * dstStride;
- xoff = (int) (((long) src) & (FB_MASK >> 3));
- s = (FbBits *) (src - xoff);
- xoff <<= 3;
- n = RegionNumRects(pClip);
- pbox = RegionRects (pClip);
- while (n--)
- {
- if (pbox->y1 > ppt->y)
- break;
- if (pbox->y2 > ppt->y)
- {
- x1 = ppt->x;
- x2 = x1 + *pwidth;
- if (pbox->x1 > x1)
- x1 = pbox->x1;
- if (pbox->x2 < x2)
- x2 = pbox->x2;
- if (x1 < x2)
- fbBlt ((FbBits *) s,
- 0,
- (x1 - ppt->x) * dstBpp + xoff,
- d,
- dstStride,
- (x1 + dstXoff) * dstBpp,
-
- (x2 - x1) * dstBpp,
- 1,
- pGC->alu,
- pPriv->pm,
- dstBpp,
-
- FALSE,
- FALSE);
- }
- }
- src += PixmapBytePad (*pwidth, pDrawable->depth);
- ppt++;
- pwidth++;
- }
- fbValidateDrawable (pDrawable);
- fbFinishAccess (pDrawable);
-}
-
+/* + * Copyright © 1998 Keith Packard + * + * 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, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "fb.h" + +void +fbSetSpans (DrawablePtr pDrawable, + GCPtr pGC, + char *src, + DDXPointPtr ppt, + int *pwidth, + int nspans, + int fSorted) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + RegionPtr pClip = fbGetCompositeClip(pGC); + FbBits *dst, *d, *s; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + BoxPtr pbox; + int n; + int xoff; + int x1, x2; + + if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) + { + fb24_32SetSpans (pDrawable, pGC, src, ppt, pwidth, nspans, fSorted); + return; + } + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + while (nspans--) + { + d = dst + (ppt->y + dstYoff) * dstStride; + xoff = (int) (((long) src) & (FB_MASK >> 3)); + s = (FbBits *) (src - xoff); + xoff <<= 3; + n = RegionNumRects(pClip); + pbox = RegionRects (pClip); + while (n--) + { + if (pbox->y1 > ppt->y) + break; + if (pbox->y2 > ppt->y) + { + x1 = ppt->x; + x2 = x1 + *pwidth; + if (pbox->x1 > x1) + x1 = pbox->x1; + if (pbox->x2 < x2) + x2 = pbox->x2; + if (x1 < x2) + fbBlt ((FbBits *) s, + 0, + (x1 - ppt->x) * dstBpp + xoff, + d, + dstStride, + (x1 + dstXoff) * dstBpp, + + (x2 - x1) * dstBpp, + 1, + pGC->alu, + pPriv->pm, + dstBpp, + + FALSE, + FALSE); + } + } + src += PixmapBytePad (*pwidth, pDrawable->depth); + ppt++; + pwidth++; + } + fbValidateDrawable (pDrawable); + fbFinishAccess (pDrawable); +} + |